diff --git a/config/asgi.py b/config/asgi.py
index 5fd82ade5660b563438daefc34dbbd18d8d03e68..631349c0159d2429799831ade8dc8e1152b7a652 100644
--- a/config/asgi.py
+++ b/config/asgi.py
@@ -8,9 +8,16 @@ https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
 """
 
 import os
-
+from channels.auth import AuthMiddlewareStack
+from config.urls import websocket_urlpatterns
+from channels.routing import ProtocolTypeRouter, URLRouter
 from django.core.asgi import get_asgi_application
 
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
 
-application = get_asgi_application()
+application = ProtocolTypeRouter({
+    "http": get_asgi_application(),
+    'websocket': AuthMiddlewareStack(
+        URLRouter(websocket_urlpatterns)
+    ),
+})
diff --git a/config/settings.py b/config/settings.py
index 527712371ae02c250a59e6b710a1110854187610..3a3ea47b1485e450214ab79d5db1a9ab922e5832 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -15,6 +15,10 @@ from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
+SSHKEY_PATH = os.path.join(BASE_DIR, '.ssh')
+
+if not os.path.isdir(SSHKEY_PATH):
+    os.makedirs(SSHKEY_PATH)
 
 
 # Quick-start development settings - unsuitable for production
@@ -32,6 +36,7 @@ ALLOWED_HOSTS = [ "*" ]
 # Application definition
 
 INSTALLED_APPS = [
+    'daphne',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -39,6 +44,7 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'webssh.apps.WebsshConfig',
+    'channels',
 ]
 
 MIDDLEWARE = [
@@ -72,6 +78,8 @@ TEMPLATES = [
     },
 ]
 
+ASGI_APPLICATION = 'config.asgi.application'
+
 WSGI_APPLICATION = 'config.wsgi.application'
 
 
@@ -131,10 +139,9 @@ STATICFILES_DIRS = [
     BASE_DIR / "webssh/static",
 ]
 
-# 设置媒体路由
+# Media files (mp4, avi)
 MEDIA_URL = 'media/'
 
-# 设置media目录的完整路径
 MEDIA_ROOT = BASE_DIR / 'media'
 
 # Default primary key field type
diff --git a/config/urls.py b/config/urls.py
index 45675714bd16ceddda71f1c49c74ceafd916776f..df1f364294da75c59c66e9b232c2e1aa464f4faf 100644
--- a/config/urls.py
+++ b/config/urls.py
@@ -14,12 +14,18 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+import webssh.views
 from django.contrib import admin
 from django.urls import path, re_path, include
 from django.views.generic import RedirectView
-import webssh.views
+from webssh.websocket import WebSSH
 
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('index/', webssh.views.index),
     path('webssh/', include(('webssh.urls', 'webssh'), namespace='webssh')),
 ]
+
+websocket_urlpatterns = [
+    path('ws/', WebSSH.as_asgi()),
+]
diff --git a/manage.py b/manage.py
index 0336a527951de98541b0835567a612eb97879bbc..3fce01b3d602779d4cbed82ed4c34c8897537170 100755
--- a/manage.py
+++ b/manage.py
@@ -4,7 +4,6 @@ import os
 import sys
 from django.core.management.commands.runserver import Command as Runserver
 
-
 def main():
     """Run administrative tasks."""
     os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
@@ -18,7 +17,6 @@ def main():
         ) from exc
     execute_from_command_line(sys.argv)
 
-
 if __name__ == '__main__':
     Runserver.default_addr = '192.168.3.50'
     Runserver.default_port = '8099'
diff --git a/static/bootbox/5.4.0/bootbox.min.js b/static/bootbox/5.4.0/bootbox.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..8b8a0197259eade7da8f97f355f2d384976b2d49
--- /dev/null
+++ b/static/bootbox/5.4.0/bootbox.min.js
@@ -0,0 +1 @@
+!function(t,e){"use strict";"function"==typeof define&&define.amd?define(["jquery"],e):"object"==typeof exports?module.exports=e(require("jquery")):t.bootbox=e(t.jQuery)}(this,function e(p,u){"use strict";var r,n,i,l;Object.keys||(Object.keys=(r=Object.prototype.hasOwnProperty,n=!{toString:null}.propertyIsEnumerable("toString"),l=(i=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"]).length,function(t){if("function"!=typeof t&&("object"!=typeof t||null===t))throw new TypeError("Object.keys called on non-object");var e,o,a=[];for(e in t)r.call(t,e)&&a.push(e);if(n)for(o=0;o<l;o++)r.call(t,i[o])&&a.push(i[o]);return a}));var d={};d.VERSION="5.0.0";var b={en:{OK:"OK",CANCEL:"Cancel",CONFIRM:"OK"}},f={dialog:'<div class="bootbox modal" tabindex="-1" role="dialog" aria-hidden="true"><div class="modal-dialog"><div class="modal-content"><div class="modal-body"><div class="bootbox-body"></div></div></div></div></div>',header:'<div class="modal-header"><h5 class="modal-title"></h5></div>',footer:'<div class="modal-footer"></div>',closeButton:'<button type="button" class="bootbox-close-button close" aria-hidden="true">&times;</button>',form:'<form class="bootbox-form"></form>',button:'<button type="button" class="btn"></button>',option:"<option></option>",promptMessage:'<div class="bootbox-prompt-message"></div>',inputs:{text:'<input class="bootbox-input bootbox-input-text form-control" autocomplete="off" type="text" />',textarea:'<textarea class="bootbox-input bootbox-input-textarea form-control"></textarea>',email:'<input class="bootbox-input bootbox-input-email form-control" autocomplete="off" type="email" />',select:'<select class="bootbox-input bootbox-input-select form-control"></select>',checkbox:'<div class="form-check checkbox"><label class="form-check-label"><input class="form-check-input bootbox-input bootbox-input-checkbox" type="checkbox" /></label></div>',radio:'<div class="form-check radio"><label class="form-check-label"><input class="form-check-input bootbox-input bootbox-input-radio" type="radio" name="bootbox-radio" /></label></div>',date:'<input class="bootbox-input bootbox-input-date form-control" autocomplete="off" type="date" />',time:'<input class="bootbox-input bootbox-input-time form-control" autocomplete="off" type="time" />',number:'<input class="bootbox-input bootbox-input-number form-control" autocomplete="off" type="number" />',password:'<input class="bootbox-input bootbox-input-password form-control" autocomplete="off" type="password" />',range:'<input class="bootbox-input bootbox-input-range form-control-range" autocomplete="off" type="range" />'}},m={locale:"en",backdrop:"static",animate:!0,className:null,closeButton:!0,show:!0,container:"body",value:"",inputType:"text",swapButtonOrder:!1,centerVertical:!1,multiple:!1,scrollable:!1};function c(t,e,o){return p.extend(!0,{},t,function(t,e){var o=t.length,a={};if(o<1||2<o)throw new Error("Invalid argument length");return 2===o||"string"==typeof t[0]?(a[e[0]]=t[0],a[e[1]]=t[1]):a=t[0],a}(e,o))}function h(t,e,o,a){var r;a&&a[0]&&(r=a[0].locale||m.locale,(a[0].swapButtonOrder||m.swapButtonOrder)&&(e=e.reverse()));var n,i,l,s={className:"bootbox-"+t,buttons:function(t,e){for(var o={},a=0,r=t.length;a<r;a++){var n=t[a],i=n.toLowerCase(),l=n.toUpperCase();o[i]={label:(s=l,(c=b[e])?c[s]:b.en[s])}}var s,c;return o}(e,r)};return n=c(s,a,o),l={},v(i=e,function(t,e){l[e]=!0}),v(n.buttons,function(t){if(l[t]===u)throw new Error('button key "'+t+'" is not allowed (options are '+i.join(" ")+")")}),n}function w(t){return Object.keys(t).length}function v(t,o){var a=0;p.each(t,function(t,e){o(t,e,a++)})}function g(t){t.data.dialog.find(".bootbox-accept").first().trigger("focus")}function y(t){t.target===t.data.dialog[0]&&t.data.dialog.remove()}function x(t){t.target===t.data.dialog[0]&&(t.data.dialog.off("escape.close.bb"),t.data.dialog.off("click"))}function k(t,e,o){t.stopPropagation(),t.preventDefault(),p.isFunction(o)&&!1===o.call(e,t)||e.modal("hide")}function E(t){return/([01][0-9]|2[0-3]):[0-5][0-9]?:[0-5][0-9]/.test(t)}function O(t){return/(\d{4})-(\d{2})-(\d{2})/.test(t)}return d.locales=function(t){return t?b[t]:b},d.addLocale=function(t,o){return p.each(["OK","CANCEL","CONFIRM"],function(t,e){if(!o[e])throw new Error('Please supply a translation for "'+e+'"')}),b[t]={OK:o.OK,CANCEL:o.CANCEL,CONFIRM:o.CONFIRM},d},d.removeLocale=function(t){if("en"===t)throw new Error('"en" is used as the default and fallback locale and cannot be removed.');return delete b[t],d},d.setLocale=function(t){return d.setDefaults("locale",t)},d.setDefaults=function(){var t={};return 2===arguments.length?t[arguments[0]]=arguments[1]:t=arguments[0],p.extend(m,t),d},d.hideAll=function(){return p(".bootbox").modal("hide"),d},d.init=function(t){return e(t||p)},d.dialog=function(t){if(p.fn.modal===u)throw new Error('"$.fn.modal" is not defined; please double check you have included the Bootstrap JavaScript library. See https://getbootstrap.com/docs/4.4/getting-started/javascript/ for more details.');if(t=function(r){var n,i;if("object"!=typeof r)throw new Error("Please supply an object of options");if(!r.message)throw new Error('"message" option must not be null or an empty string.');(r=p.extend({},m,r)).buttons||(r.buttons={});return n=r.buttons,i=w(n),v(n,function(t,e,o){if(p.isFunction(e)&&(e=n[t]={callback:e}),"object"!==p.type(e))throw new Error('button with key "'+t+'" must be an object');if(e.label||(e.label=t),!e.className){var a=!1;a=r.swapButtonOrder?0===o:o===i-1,e.className=i<=2&&a?"btn-primary":"btn-secondary btn-default"}}),r}(t),p.fn.modal.Constructor.VERSION){t.fullBootstrapVersion=p.fn.modal.Constructor.VERSION;var e=t.fullBootstrapVersion.indexOf(".");t.bootstrap=t.fullBootstrapVersion.substring(0,e)}else t.bootstrap="2",t.fullBootstrapVersion="2.3.2",console.warn("Bootbox will *mostly* work with Bootstrap 2, but we do not officially support it. Please upgrade, if possible.");var o=p(f.dialog),a=o.find(".modal-dialog"),r=o.find(".modal-body"),n=p(f.header),i=p(f.footer),l=t.buttons,s={onEscape:t.onEscape};if(r.find(".bootbox-body").html(t.message),0<w(t.buttons)&&(v(l,function(t,e){var o=p(f.button);switch(o.data("bb-handler",t),o.addClass(e.className),t){case"ok":case"confirm":o.addClass("bootbox-accept");break;case"cancel":o.addClass("bootbox-cancel")}o.html(e.label),i.append(o),s[t]=e.callback}),r.after(i)),!0===t.animate&&o.addClass("fade"),t.className&&o.addClass(t.className),t.size)switch(t.fullBootstrapVersion.substring(0,3)<"3.1"&&console.warn('"size" requires Bootstrap 3.1.0 or higher. You appear to be using '+t.fullBootstrapVersion+". Please upgrade to use this option."),t.size){case"small":case"sm":a.addClass("modal-sm");break;case"large":case"lg":a.addClass("modal-lg");break;case"extra-large":case"xl":a.addClass("modal-xl"),t.fullBootstrapVersion.substring(0,3)<"4.2"&&console.warn('Using size "xl"/"extra-large" requires Bootstrap 4.2.0 or higher. You appear to be using '+t.fullBootstrapVersion+". Please upgrade to use this option.")}if(t.scrollable&&(a.addClass("modal-dialog-scrollable"),t.fullBootstrapVersion.substring(0,3)<"4.3"&&console.warn('Using "scrollable" requires Bootstrap 4.3.0 or higher. You appear to be using '+t.fullBootstrapVersion+". Please upgrade to use this option.")),t.title&&(r.before(n),o.find(".modal-title").html(t.title)),t.closeButton){var c=p(f.closeButton);t.title?3<t.bootstrap?o.find(".modal-header").append(c):o.find(".modal-header").prepend(c):c.prependTo(r)}if(t.centerVertical&&(a.addClass("modal-dialog-centered"),t.fullBootstrapVersion<"4.0.0"&&console.warn('"centerVertical" requires Bootstrap 4.0.0-beta.3 or higher. You appear to be using '+t.fullBootstrapVersion+". Please upgrade to use this option.")),o.one("hide.bs.modal",{dialog:o},x),t.onHide){if(!p.isFunction(t.onHide))throw new Error('Argument supplied to "onHide" must be a function');o.on("hide.bs.modal",t.onHide)}if(o.one("hidden.bs.modal",{dialog:o},y),t.onHidden){if(!p.isFunction(t.onHidden))throw new Error('Argument supplied to "onHidden" must be a function');o.on("hidden.bs.modal",t.onHidden)}if(t.onShow){if(!p.isFunction(t.onShow))throw new Error('Argument supplied to "onShow" must be a function');o.on("show.bs.modal",t.onShow)}if(o.one("shown.bs.modal",{dialog:o},g),t.onShown){if(!p.isFunction(t.onShown))throw new Error('Argument supplied to "onShown" must be a function');o.on("shown.bs.modal",t.onShown)}return"static"!==t.backdrop&&o.on("click.dismiss.bs.modal",function(t){o.children(".modal-backdrop").length&&(t.currentTarget=o.children(".modal-backdrop").get(0)),t.target===t.currentTarget&&o.trigger("escape.close.bb")}),o.on("escape.close.bb",function(t){s.onEscape&&k(t,o,s.onEscape)}),o.on("click",".modal-footer button:not(.disabled)",function(t){var e=p(this).data("bb-handler");e!==u&&k(t,o,s[e])}),o.on("click",".bootbox-close-button",function(t){k(t,o,s.onEscape)}),o.on("keyup",function(t){27===t.which&&o.trigger("escape.close.bb")}),p(t.container).append(o),o.modal({backdrop:!!t.backdrop&&"static",keyboard:!1,show:!1}),t.show&&o.modal("show"),o},d.alert=function(){var t;if((t=h("alert",["ok"],["message","callback"],arguments)).callback&&!p.isFunction(t.callback))throw new Error('alert requires the "callback" property to be a function when provided');return t.buttons.ok.callback=t.onEscape=function(){return!p.isFunction(t.callback)||t.callback.call(this)},d.dialog(t)},d.confirm=function(){var t;if(t=h("confirm",["cancel","confirm"],["message","callback"],arguments),!p.isFunction(t.callback))throw new Error("confirm requires a callback");return t.buttons.cancel.callback=t.onEscape=function(){return t.callback.call(this,!1)},t.buttons.confirm.callback=function(){return t.callback.call(this,!0)},d.dialog(t)},d.prompt=function(){var r,e,t,n,o,a;if(t=p(f.form),(r=h("prompt",["cancel","confirm"],["title","callback"],arguments)).value||(r.value=m.value),r.inputType||(r.inputType=m.inputType),o=r.show===u?m.show:r.show,r.show=!1,r.buttons.cancel.callback=r.onEscape=function(){return r.callback.call(this,null)},r.buttons.confirm.callback=function(){var t;if("checkbox"===r.inputType)t=n.find("input:checked").map(function(){return p(this).val()}).get();else if("radio"===r.inputType)t=n.find("input:checked").val();else{if(n[0].checkValidity&&!n[0].checkValidity())return!1;t="select"===r.inputType&&!0===r.multiple?n.find("option:selected").map(function(){return p(this).val()}).get():n.val()}return r.callback.call(this,t)},!r.title)throw new Error("prompt requires a title");if(!p.isFunction(r.callback))throw new Error("prompt requires a callback");if(!f.inputs[r.inputType])throw new Error("Invalid prompt type");switch(n=p(f.inputs[r.inputType]),r.inputType){case"text":case"textarea":case"email":case"password":n.val(r.value),r.placeholder&&n.attr("placeholder",r.placeholder),r.pattern&&n.attr("pattern",r.pattern),r.maxlength&&n.attr("maxlength",r.maxlength),r.required&&n.prop({required:!0}),r.rows&&!isNaN(parseInt(r.rows))&&"textarea"===r.inputType&&n.attr({rows:r.rows});break;case"date":case"time":case"number":case"range":if(n.val(r.value),r.placeholder&&n.attr("placeholder",r.placeholder),r.pattern&&n.attr("pattern",r.pattern),r.required&&n.prop({required:!0}),"date"!==r.inputType&&r.step){if(!("any"===r.step||!isNaN(r.step)&&0<parseFloat(r.step)))throw new Error('"step" must be a valid positive number or the value "any". See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-step for more information.');n.attr("step",r.step)}!function(t,e,o){var a=!1,r=!0,n=!0;if("date"===t)e===u||(r=O(e))?o===u||(n=O(o))||console.warn('Browsers which natively support the "date" input type expect date values to be of the form "YYYY-MM-DD" (see ISO-8601 https://www.iso.org/iso-8601-date-and-time-format.html). Bootbox does not enforce this rule, but your max value may not be enforced by this browser.'):console.warn('Browsers which natively support the "date" input type expect date values to be of the form "YYYY-MM-DD" (see ISO-8601 https://www.iso.org/iso-8601-date-and-time-format.html). Bootbox does not enforce this rule, but your min value may not be enforced by this browser.');else if("time"===t){if(e!==u&&!(r=E(e)))throw new Error('"min" is not a valid time. See https://www.w3.org/TR/2012/WD-html-markup-20120315/datatypes.html#form.data.time for more information.');if(o!==u&&!(n=E(o)))throw new Error('"max" is not a valid time. See https://www.w3.org/TR/2012/WD-html-markup-20120315/datatypes.html#form.data.time for more information.')}else{if(e!==u&&isNaN(e))throw r=!1,new Error('"min" must be a valid number. See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-min for more information.');if(o!==u&&isNaN(o))throw n=!1,new Error('"max" must be a valid number. See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-max for more information.')}if(r&&n){if(o<=e)throw new Error('"max" must be greater than "min". See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-max for more information.');a=!0}return a}(r.inputType,r.min,r.max)||(r.min!==u&&n.attr("min",r.min),r.max!==u&&n.attr("max",r.max));break;case"select":var i={};if(a=r.inputOptions||[],!p.isArray(a))throw new Error("Please pass an array of input options");if(!a.length)throw new Error('prompt with "inputType" set to "select" requires at least one option');r.placeholder&&n.attr("placeholder",r.placeholder),r.required&&n.prop({required:!0}),r.multiple&&n.prop({multiple:!0}),v(a,function(t,e){var o=n;if(e.value===u||e.text===u)throw new Error('each option needs a "value" property and a "text" property');e.group&&(i[e.group]||(i[e.group]=p("<optgroup />").attr("label",e.group)),o=i[e.group]);var a=p(f.option);a.attr("value",e.value).text(e.text),o.append(a)}),v(i,function(t,e){n.append(e)}),n.val(r.value);break;case"checkbox":var l=p.isArray(r.value)?r.value:[r.value];if(!(a=r.inputOptions||[]).length)throw new Error('prompt with "inputType" set to "checkbox" requires at least one option');n=p('<div class="bootbox-checkbox-list"></div>'),v(a,function(t,o){if(o.value===u||o.text===u)throw new Error('each option needs a "value" property and a "text" property');var a=p(f.inputs[r.inputType]);a.find("input").attr("value",o.value),a.find("label").append("\n"+o.text),v(l,function(t,e){e===o.value&&a.find("input").prop("checked",!0)}),n.append(a)});break;case"radio":if(r.value!==u&&p.isArray(r.value))throw new Error('prompt with "inputType" set to "radio" requires a single, non-array value for "value"');if(!(a=r.inputOptions||[]).length)throw new Error('prompt with "inputType" set to "radio" requires at least one option');n=p('<div class="bootbox-radiobutton-list"></div>');var s=!0;v(a,function(t,e){if(e.value===u||e.text===u)throw new Error('each option needs a "value" property and a "text" property');var o=p(f.inputs[r.inputType]);o.find("input").attr("value",e.value),o.find("label").append("\n"+e.text),r.value!==u&&e.value===r.value&&(o.find("input").prop("checked",!0),s=!1),n.append(o)}),s&&n.find('input[type="radio"]').first().prop("checked",!0)}if(t.append(n),t.on("submit",function(t){t.preventDefault(),t.stopPropagation(),e.find(".bootbox-accept").trigger("click")}),""!==p.trim(r.message)){var c=p(f.promptMessage).html(r.message);t.prepend(c),r.message=t}else r.message=t;return(e=d.dialog(r)).off("shown.bs.modal",g),e.on("shown.bs.modal",function(){n.focus()}),!0===o&&e.modal("show"),e},d});
\ No newline at end of file
diff --git a/static/bootstrap.min.css b/static/bootstrap.min.css
new file mode 100644
index 0000000000000000000000000000000000000000..ed3905e0e0c91d4ed7d8aa14412dffeb038745ff
--- /dev/null
+++ b/static/bootstrap.min.css
@@ -0,0 +1,6 @@
+/*!
+ * Bootstrap v3.3.7 (http://getbootstrap.com)
+ * Copyright 2011-2016 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ *//*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:700}dfn{font-style:italic}h1{margin:.67em 0;font-size:2em}mark{color:#000;background:#ff0}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{height:0;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{margin:0;font:inherit;color:inherit}button{overflow:visible}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input{line-height:normal}input[type=checkbox],input[type=radio]{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{padding:.35em .625em .75em;margin:0 2px;border:1px solid silver}legend{padding:0;border:0}textarea{overflow:auto}optgroup{font-weight:700}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}/*! 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+ * Copyright 2011-2016 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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diff --git a/static/jquery.min.js b/static/jquery.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..0f60b7bd0d9c395e1748cc962810d2dee9bb9fc2
--- /dev/null
+++ b/static/jquery.min.js
@@ -0,0 +1,5 @@
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index 0000000000000000000000000000000000000000..07c00cd227da09d9e398ec89ae48e5d3c218010d
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diff --git a/static/xterm/3.14.5/addons/search.min.js b/static/xterm/3.14.5/addons/search.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..501da7ce15cf6f76aebd2e8e45052718900b57f8
--- /dev/null
+++ b/static/xterm/3.14.5/addons/search.min.js
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/static/xterm/3.14.5/addons/terminado.min.js b/static/xterm/3.14.5/addons/terminado.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..c04ec13bf70cbc3ef8dfb1a4aab674a183d8154d
--- /dev/null
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@@ -0,0 +1 @@
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new file mode 100644
index 0000000000000000000000000000000000000000..1bb01de48b32f60f85da5b21cbc85fcaa894a25f
--- /dev/null
+++ b/static/xterm/3.14.5/addons/webLinks.min.js
@@ -0,0 +1 @@
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diff --git a/static/xterm/3.14.5/addons/zmodem.min.js b/static/xterm/3.14.5/addons/zmodem.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..298496e0744329f60d8a35b508654d39f098baf5
--- /dev/null
+++ b/static/xterm/3.14.5/addons/zmodem.min.js
@@ -0,0 +1 @@
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diff --git a/static/xterm/3.14.5/xterm.min.css b/static/xterm/3.14.5/xterm.min.css
new file mode 100644
index 0000000000000000000000000000000000000000..4f3021b501a7cbd5d149d2e90dcf00a303a6ab36
--- /dev/null
+++ b/static/xterm/3.14.5/xterm.min.css
@@ -0,0 +1,2 @@
+.xterm{font-feature-settings:"liga" 0;position:relative;user-select:none;-ms-user-select:none;-webkit-user-select:none}.xterm.focus,.xterm:focus{outline:0}.xterm .xterm-helpers{position:absolute;top:0;z-index:10}.xterm .xterm-helper-textarea{position:absolute;opacity:0;left:-9999em;top:0;width:0;height:0;z-index:-10;white-space:nowrap;overflow:hidden;resize:none}.xterm .composition-view{background:#000;color:#fff;display:none;position:absolute;white-space:nowrap;z-index:1}.xterm .composition-view.active{display:block}.xterm .xterm-viewport{background-color:#000;overflow-y:scroll;cursor:default;position:absolute;right:0;left:0;top:0;bottom:0}.xterm .xterm-screen{position:relative}.xterm .xterm-screen canvas{position:absolute;left:0;top:0}.xterm .xterm-scroll-area{visibility:hidden}.xterm-char-measure-element{display:inline-block;visibility:hidden;position:absolute;top:0;left:-9999em;line-height:normal}.xterm{cursor:text}.xterm.enable-mouse-events{cursor:default}.xterm.xterm-cursor-pointer{cursor:pointer}.xterm.column-select.focus{cursor:crosshair}.xterm .xterm-accessibility,.xterm .xterm-message{position:absolute;left:0;top:0;bottom:0;right:0;z-index:100;color:transparent}.xterm .live-region{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.xterm-dim{opacity:.5}.xterm-underline{text-decoration:underline}
+/*# sourceMappingURL=xterm.min.css.map */
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diff --git a/static/xterm/3.14.5/xterm.min.js b/static/xterm/3.14.5/xterm.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..2e95797b41d6190ade9b26bfedda315ce76c2ade
--- /dev/null
+++ b/static/xterm/3.14.5/xterm.min.js
@@ -0,0 +1 @@
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i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,l=e("./Strings"),o=e("./common/Platform"),a=e("./ui/RenderDebouncer"),h=e("./ui/Lifecycle"),c=e("./common/Lifecycle"),u=e("./ui/ScreenDprMonitor"),f=(s=c.Disposable,n(_,s),_.prototype.dispose=function(){s.prototype.dispose.call(this),this._terminal.element.removeChild(this._accessibilityTreeRoot),this._rowElements.length=0},_.prototype._onBoundaryFocus=function(e,t){var i=e.target,r=this._rowElements[0===t?1:this._rowElements.length-2];if(i.getAttribute("aria-posinset")!==(0===t?"1":""+this._terminal.buffer.lines.length)&&e.relatedTarget===r){var n,s;if(0===t?(n=i,s=this._rowElements.pop(),this._rowContainer.removeChild(s)):(n=this._rowElements.shift(),s=i,this._rowContainer.removeChild(n)),n.removeEventListener("focus",this._topBoundaryFocusListener),s.removeEventListener("focus",this._bottomBoundaryFocusListener),0===t){var o=this._createAccessibilityTreeNode();this._rowElements.unshift(o),this._rowContainer.insertAdjacentElement("afterbegin",o)}else o=this._createAccessibilityTreeNode(),this._rowElements.push(o),this._rowContainer.appendChild(o);this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._terminal.scrollLines(0===t?-1:1),this._rowElements[0===t?1:this._rowElements.length-2].focus(),e.preventDefault(),e.stopImmediatePropagation()}},_.prototype._onResize=function(e){this._rowElements[this._rowElements.length-1].removeEventListener("focus",this._bottomBoundaryFocusListener);for(var t=this._rowContainer.children.length;t<this._terminal.rows;t++)this._rowElements[t]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[t]);for(;this._rowElements.length>e;)this._rowContainer.removeChild(this._rowElements.pop());this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions()},_.prototype._createAccessibilityTreeNode=function(){var e=document.createElement("div");return e.setAttribute("role","listitem"),e.tabIndex=-1,this._refreshRowDimensions(e),e},_.prototype._onTab=function(e){for(var t=0;t<e;t++)this._onChar(" ")},_.prototype._onChar=function(e){var t=this;this._liveRegionLineCount<21&&(0<this._charsToConsume.length?this._charsToConsume.shift()!==e&&(this._charsToAnnounce+=e):this._charsToAnnounce+=e,"\n"===e&&(this._liveRegionLineCount++,21===this._liveRegionLineCount&&(this._liveRegion.textContent+=l.tooMuchOutput)),o.isMac&&this._liveRegion.textContent&&0<this._liveRegion.textContent.length&&!this._liveRegion.parentNode&&setTimeout(function(){t._accessibilityTreeRoot.appendChild(t._liveRegion)},0))},_.prototype._clearLiveRegion=function(){this._liveRegion.textContent="",this._liveRegionLineCount=0,o.isMac&&this._liveRegion.parentNode&&this._accessibilityTreeRoot.removeChild(this._liveRegion)},_.prototype._onKey=function(e){this._clearLiveRegion(),this._charsToConsume.push(e)},_.prototype._refreshRows=function(e,t){this._renderRowsDebouncer.refresh(e,t,this._terminal.rows)},_.prototype._renderRows=function(e,t){for(var i=this._terminal.buffer,r=i.lines.length.toString(),n=e;n<=t;n++){var s=i.translateBufferLineToString(i.ydisp+n,!0),o=(i.ydisp+n+1).toString(),a=this._rowElements[n];a&&(a.textContent=0===s.length?l.blankLine:s,a.setAttribute("aria-posinset",o),a.setAttribute("aria-setsize",r))}this._announceCharacters()},_.prototype._refreshRowsDimensions=function(){if(this._dimensions.actualCellHeight){this._rowElements.length!==this._terminal.rows&&this._onResize(this._terminal.rows);for(var e=0;e<this._terminal.rows;e++)this._refreshRowDimensions(this._rowElements[e])}},_.prototype.setDimensions=function(e){this._dimensions=e,this._refreshRowsDimensions()},_.prototype._refreshRowDimensions=function(e){e.style.height=this._dimensions.actualCellHeight+"px"},_.prototype._announceCharacters=function(){0!==this._charsToAnnounce.length&&(this._liveRegion.textContent+=this._charsToAnnounce,this._charsToAnnounce="")},_);function _(e,t){var i=s.call(this)||this;i._terminal=e,i._dimensions=t,i._liveRegionLineCount=0,i._charsToConsume=[],i._charsToAnnounce="",i._accessibilityTreeRoot=document.createElement("div"),i._accessibilityTreeRoot.classList.add("xterm-accessibility"),i._rowContainer=document.createElement("div"),i._rowContainer.classList.add("xterm-accessibility-tree"),i._rowElements=[];for(var r=0;r<i._terminal.rows;r++)i._rowElements[r]=i._createAccessibilityTreeNode(),i._rowContainer.appendChild(i._rowElements[r]);return i._topBoundaryFocusListener=function(e){return i._onBoundaryFocus(e,0)},i._bottomBoundaryFocusListener=function(e){return i._onBoundaryFocus(e,1)},i._rowElements[0].addEventListener("focus",i._topBoundaryFocusListener),i._rowElements[i._rowElements.length-1].addEventListener("focus",i._bottomBoundaryFocusListener),i._refreshRowsDimensions(),i._accessibilityTreeRoot.appendChild(i._rowContainer),i._renderRowsDebouncer=new a.RenderDebouncer(i._renderRows.bind(i)),i._refreshRows(),i._liveRegion=document.createElement("div"),i._liveRegion.classList.add("live-region"),i._liveRegion.setAttribute("aria-live","assertive"),i._accessibilityTreeRoot.appendChild(i._liveRegion),i._terminal.element.insertAdjacentElement("afterbegin",i._accessibilityTreeRoot),i.register(i._renderRowsDebouncer),i.register(i._terminal.onResize(function(e){return i._onResize(e.rows)})),i.register(i._terminal.onRender(function(e){return i._refreshRows(e.start,e.end)})),i.register(i._terminal.onScroll(function(){return i._refreshRows()})),i.register(i._terminal.addDisposableListener("a11y.char",function(e){return i._onChar(e)})),i.register(i._terminal.onLineFeed(function(){return i._onChar("\n")})),i.register(i._terminal.addDisposableListener("a11y.tab",function(e){return i._onTab(e)})),i.register(i._terminal.onKey(function(e){return i._onKey(e.key)})),i.register(i._terminal.addDisposableListener("blur",function(){return i._clearLiveRegion()})),i._screenDprMonitor=new u.ScreenDprMonitor,i.register(i._screenDprMonitor),i._screenDprMonitor.setListener(function(){return i._refreshRowsDimensions()}),i.register(h.addDisposableDomListener(window,"resize",function(){return i._refreshRowsDimensions()})),i}i.AccessibilityManager=f},{"./Strings":16,"./common/Lifecycle":24,"./common/Platform":25,"./ui/Lifecycle":59,"./ui/RenderDebouncer":60,"./ui/ScreenDprMonitor":61}],2:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./common/CircularList"),H=e("./core/buffer/BufferLine"),O=e("./core/buffer/BufferReflow"),n=e("./core/buffer/Marker");i.MAX_BUFFER_SIZE=4294967295;var s=(o.prototype.getNullCell=function(e){return e?(this._nullCell.fg=e.fg,this._nullCell.bg=e.bg):(this._nullCell.fg=0,this._nullCell.bg=0),this._nullCell},o.prototype.getWhitespaceCell=function(e){return e?(this._whitespaceCell.fg=e.fg,this._whitespaceCell.bg=e.bg):(this._whitespaceCell.fg=0,this._whitespaceCell.bg=0),this._whitespaceCell},o.prototype.getBlankLine=function(e,t){return new H.BufferLine(this._terminal.cols,this.getNullCell(e),t)},Object.defineProperty(o.prototype,"hasScrollback",{get:function(){return this._hasScrollback&&this.lines.maxLength>this._rows},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"isCursorInViewport",{get:function(){var e=this.ybase+this.y-this.ydisp;return 0<=e&&e<this._rows},enumerable:!0,configurable:!0}),o.prototype._getCorrectBufferLength=function(e){if(!this._hasScrollback)return e;var t=e+this._terminal.options.scrollback;return t>i.MAX_BUFFER_SIZE?i.MAX_BUFFER_SIZE:t},o.prototype.fillViewportRows=function(e){if(0===this.lines.length){void 0===e&&(e=H.DEFAULT_ATTR_DATA);for(var t=this._rows;t--;)this.lines.push(this.getBlankLine(e))}},o.prototype.clear=function(){this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.lines=new r.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()},o.prototype.resize=function(e,t){var i=this.getNullCell(H.DEFAULT_ATTR_DATA),r=this._getCorrectBufferLength(t);if(r>this.lines.maxLength&&(this.lines.maxLength=r),0<this.lines.length){if(this._cols<e)for(var n=0;n<this.lines.length;n++)this.lines.get(n).resize(e,i);var s=0;if(this._rows<t)for(var o=this._rows;o<t;o++)this.lines.length<t+this.ybase&&(0<this.ybase&&this.lines.length<=this.ybase+this.y+s+1?(this.ybase--,s++,0<this.ydisp&&this.ydisp--):this.lines.push(new H.BufferLine(e,i)));else for(o=this._rows;t<o;o--)this.lines.length>t+this.ybase&&(this.lines.length>this.ybase+this.y+1?this.lines.pop():(this.ybase++,this.ydisp++));if(r<this.lines.maxLength){var a=this.lines.length-r;0<a&&(this.lines.trimStart(a),this.ybase=Math.max(this.ybase-a,0),this.ydisp=Math.max(this.ydisp-a,0)),this.lines.maxLength=r}this.x=Math.min(this.x,e-1),this.y=Math.min(this.y,t-1),s&&(this.y+=s),this.savedY=Math.min(this.savedY,t-1),this.savedX=Math.min(this.savedX,e-1),this.scrollTop=0}if(this.scrollBottom=t-1,this._isReflowEnabled&&(this._reflow(e,t),this._cols>e))for(n=0;n<this.lines.length;n++)this.lines.get(n).resize(e,i);this._cols=e,this._rows=t},Object.defineProperty(o.prototype,"_isReflowEnabled",{get:function(){return this._hasScrollback&&!this._terminal.options.windowsMode},enumerable:!0,configurable:!0}),o.prototype._reflow=function(e,t){this._cols!==e&&(e>this._cols?this._reflowLarger(e,t):this._reflowSmaller(e,t))},o.prototype._reflowLarger=function(e,t){var i=O.reflowLargerGetLinesToRemove(this.lines,this._cols,e,this.ybase+this.y,this.getNullCell(H.DEFAULT_ATTR_DATA));if(0<i.length){var r=O.reflowLargerCreateNewLayout(this.lines,i);O.reflowLargerApplyNewLayout(this.lines,r.layout),this._reflowLargerAdjustViewport(e,t,r.countRemoved)}},o.prototype._reflowLargerAdjustViewport=function(e,t,i){for(var r=this.getNullCell(H.DEFAULT_ATTR_DATA),n=i;0<n--;)0===this.ybase?(0<this.y&&this.y--,this.lines.length<t&&this.lines.push(new H.BufferLine(e,r))):(this.ydisp===this.ybase&&this.ydisp--,this.ybase--)},o.prototype._reflowSmaller=function(e,t){for(var i=this.getNullCell(H.DEFAULT_ATTR_DATA),r=[],n=0,s=this.lines.length-1;0<=s;s--){var o=this.lines.get(s);if(!(!o||!o.isWrapped&&o.getTrimmedLength()<=e)){for(var a=[o];o.isWrapped&&0<s;)o=this.lines.get(--s),a.unshift(o);var l=this.ybase+this.y;if(!(s<=l&&l<s+a.length)){var h=a[a.length-1].getTrimmedLength(),c=O.reflowSmallerGetNewLineLengths(a,this._cols,e),u=c.length-a.length,f=void 0;f=0===this.ybase&&this.y!==this.lines.length-1?Math.max(0,this.y-this.lines.maxLength+u):Math.max(0,this.lines.length-this.lines.maxLength+u);for(var _=[],d=0;d<u;d++){var p=this.getBlankLine(H.DEFAULT_ATTR_DATA,!0);_.push(p)}0<_.length&&(r.push({start:s+a.length+n,newLines:_}),n+=_.length),a.push.apply(a,_);var m=c.length-1,y=c[m];0===y&&(y=c[--m]);for(var g=a.length-u-1,C=h;0<=g;){var v=Math.min(C,y);if(a[m].copyCellsFrom(a[g],C-v,y-v,v,!0),0==(y-=v)&&(y=c[--m]),0==(C-=v)){g--;var b=Math.max(g,0);C=O.getWrappedLineTrimmedLength(a,b,this._cols)}}for(d=0;d<a.length;d++)c[d]<e&&a[d].setCell(c[d],i);for(var w=u-f;0<w--;)0===this.ybase?this.y<t-1?(this.y++,this.lines.pop()):(this.ybase++,this.ydisp++):this.ybase<Math.min(this.lines.maxLength,this.lines.length+n)-t&&(this.ybase===this.ydisp&&this.ydisp++,this.ybase++)}}}if(0<r.length){var S=[],E=[];for(d=0;d<this.lines.length;d++)E.push(this.lines.get(d));var L=this.lines.length,A=L-1,x=0,T=r[x];this.lines.length=Math.min(this.lines.maxLength,this.lines.length+n);var M=0;for(d=Math.min(this.lines.maxLength-1,L+n-1);0<=d;d--)if(T&&T.start>A+M){for(var R=T.newLines.length-1;0<=R;R--)this.lines.set(d--,T.newLines[R]);d++,S.push({index:A+1,amount:T.newLines.length}),M+=T.newLines.length,T=r[++x]}else this.lines.set(d,E[A--]);var k=0;for(d=S.length-1;0<=d;d--)S[d].index+=k,this.lines.onInsertEmitter.fire(S[d]),k+=S[d].amount;var D=Math.max(0,L+n-this.lines.maxLength);0<D&&this.lines.onTrimEmitter.fire(D)}},o.prototype.stringIndexToBufferIndex=function(e,t,i){for(void 0===i&&(i=!1);t;){var r=this.lines.get(e);if(!r)return[-1,-1];for(var n=i?r.getTrimmedLength():r.length,s=0;s<n;++s)if(r.get(s)[H.CHAR_DATA_WIDTH_INDEX]&&(t-=r.get(s)[H.CHAR_DATA_CHAR_INDEX].length||1),t<0)return[e,s];e++}return[e,0]},o.prototype.translateBufferLineToString=function(e,t,i,r){void 0===i&&(i=0);var n=this.lines.get(e);return n?n.translateToString(t,i,r):""},o.prototype.getWrappedRangeForLine=function(e){for(var t=e,i=e;0<t&&this.lines.get(t).isWrapped;)t--;for(;i+1<this.lines.length&&this.lines.get(i+1).isWrapped;)i++;return{first:t,last:i}},o.prototype.setupTabStops=function(e){for(null!=e?this.tabs[e]||(e=this.prevStop(e)):(this.tabs={},e=0);e<this._cols;e+=this._terminal.options.tabStopWidth)this.tabs[e]=!0},o.prototype.prevStop=function(e){for(null==e&&(e=this.x);!this.tabs[--e]&&0<e;);return e>=this._cols?this._cols-1:e<0?0:e},o.prototype.nextStop=function(e){for(null==e&&(e=this.x);!this.tabs[++e]&&e<this._cols;);return e>=this._cols?this._cols-1:e<0?0:e},o.prototype.addMarker=function(e){var t=this,i=new n.Marker(e);return this.markers.push(i),i.register(this.lines.onTrim(function(e){i.line-=e,i.line<0&&i.dispose()})),i.register(this.lines.onInsert(function(e){i.line>=e.index&&(i.line+=e.amount)})),i.register(this.lines.onDelete(function(e){i.line>=e.index&&i.line<e.index+e.amount&&i.dispose(),i.line>e.index&&(i.line-=e.amount)})),i.register(i.onDispose(function(){return t._removeMarker(i)})),i},o.prototype._removeMarker=function(e){this.markers.splice(this.markers.indexOf(e),1)},o.prototype.iterator=function(e,t,i,r,n){return new a(this,e,t,i,r,n)},o);function o(e,t){this._terminal=e,this._hasScrollback=t,this.savedCurAttrData=H.DEFAULT_ATTR_DATA.clone(),this.markers=[],this._nullCell=H.CellData.fromCharData([0,H.NULL_CELL_CHAR,H.NULL_CELL_WIDTH,H.NULL_CELL_CODE]),this._whitespaceCell=H.CellData.fromCharData([0,H.WHITESPACE_CELL_CHAR,H.WHITESPACE_CELL_WIDTH,H.WHITESPACE_CELL_CODE]),this._cols=this._terminal.cols,this._rows=this._terminal.rows,this.clear()}i.Buffer=s;var a=(l.prototype.hasNext=function(){return this._current<this._endIndex},l.prototype.next=function(){var e=this._buffer.getWrappedRangeForLine(this._current);e.first<this._startIndex-this._startOverscan&&(e.first=this._startIndex-this._startOverscan),e.last>this._endIndex+this._endOverscan&&(e.last=this._endIndex+this._endOverscan),e.first=Math.max(e.first,0),e.last=Math.min(e.last,this._buffer.lines.length);for(var t="",i=e.first;i<=e.last;++i)t+=this._buffer.translateBufferLineToString(i,this._trimRight);return this._current=e.last+1,{range:e,content:t}},l);function l(e,t,i,r,n,s){void 0===i&&(i=0),void 0===r&&(r=e.lines.length),void 0===n&&(n=0),void 0===s&&(s=0),this._buffer=e,this._trimRight=t,this._startIndex=i,this._endIndex=r,this._startOverscan=n,this._endOverscan=s,this._startIndex<0&&(this._startIndex=0),this._endIndex>this._buffer.lines.length&&(this._endIndex=this._buffer.lines.length),this._current=this._startIndex}i.BufferStringIterator=a},{"./common/CircularList":20,"./core/buffer/BufferLine":29,"./core/buffer/BufferReflow":30,"./core/buffer/Marker":31}],3:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./Buffer"),n=e("./common/EventEmitter2"),s=(Object.defineProperty(o.prototype,"onBufferActivate",{get:function(){return this._onBufferActivate.event},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"alt",{get:function(){return this._alt},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"active",{get:function(){return this._activeBuffer},enumerable:!0,configurable:!0}),Object.defineProperty(o.prototype,"normal",{get:function(){return this._normal},enumerable:!0,configurable:!0}),o.prototype.activateNormalBuffer=function(){this._activeBuffer!==this._normal&&(this._normal.x=this._alt.x,this._normal.y=this._alt.y,this._alt.clear(),this._activeBuffer=this._normal,this._onBufferActivate.fire({activeBuffer:this._normal,inactiveBuffer:this._alt}))},o.prototype.activateAltBuffer=function(e){this._activeBuffer!==this._alt&&(this._alt.fillViewportRows(e),this._alt.x=this._normal.x,this._alt.y=this._normal.y,this._activeBuffer=this._alt,this._onBufferActivate.fire({activeBuffer:this._alt,inactiveBuffer:this._normal}))},o.prototype.resize=function(e,t){this._normal.resize(e,t),this._alt.resize(e,t)},o.prototype.setupTabStops=function(e){this._normal.setupTabStops(e),this._alt.setupTabStops(e)},o);function o(e){this._terminal=e,this._onBufferActivate=new n.EventEmitter2,this._normal=new r.Buffer(this._terminal,!0),this._normal.fillViewportRows(),this._alt=new r.Buffer(this._terminal,!1),this._activeBuffer=this._normal,this.setupTabStops()}i.BufferSet=s},{"./Buffer":2,"./common/EventEmitter2":23}],4:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./common/EventEmitter2"),n=(Object.defineProperty(s.prototype,"onCharSizeChanged",{get:function(){return this._onCharSizeChanged.event},enumerable:!0,configurable:!0}),Object.defineProperty(s.prototype,"width",{get:function(){return this._width},enumerable:!0,configurable:!0}),Object.defineProperty(s.prototype,"height",{get:function(){return this._height},enumerable:!0,configurable:!0}),s.prototype.measure=function(e){this._measureElement.style.fontFamily=e.fontFamily,this._measureElement.style.fontSize=e.fontSize+"px";var t=this._measureElement.getBoundingClientRect();if(0!==t.width&&0!==t.height){var i=Math.ceil(t.height);this._width===t.width&&this._height===i||(this._width=t.width,this._height=i,this._onCharSizeChanged.fire())}},s);function s(e,t){this._onCharSizeChanged=new r.EventEmitter2,this._document=e,this._parentElement=t,this._measureElement=this._document.createElement("span"),this._measureElement.classList.add("xterm-char-measure-element"),this._measureElement.textContent="W",this._measureElement.setAttribute("aria-hidden","true"),this._parentElement.appendChild(this._measureElement)}i.CharMeasure=n},{"./common/EventEmitter2":23}],5:[function(e,t,o){"use strict";Object.defineProperty(o,"__esModule",{value:!0});var a=e("./common/TypedArrayUtils");o.wcwidth=function(e){var 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r=0|e.control,n=new Uint8Array(65536);a.fill(n,1),n[0]=e.nul,a.fill(n,e.control,1,32),a.fill(n,e.control,127,160),a.fill(n,2,4352,4448),n[9001]=2,n[9002]=2,a.fill(n,2,11904,42192),n[12351]=1,a.fill(n,2,44032,55204),a.fill(n,2,63744,64256),a.fill(n,2,65040,65050),a.fill(n,2,65072,65136),a.fill(n,2,65280,65377),a.fill(n,2,65504,65511);for(var s=0;s<t.length;++s)a.fill(n,0,t[s][0],t[s][1]+1);return function(e){return e<32?0|r:e<127?1:e<65536?n[e]:function(e){return function(e,t){var i,r=0,n=t.length-1;if(e<t[0][0]||e>t[n][1])return!1;for(;r<=n;)if(e>t[i=r+n>>1][1])r=1+i;else{if(!(e<t[i][0]))return!0;n=i-1}return!1}(e,i)?0:131072<=e&&e<=196605||196608<=e&&e<=262141?2:1}(e)}}({nul:0,control:0}),o.getStringCellWidth=function(e){for(var t=0,i=e.length,r=0;r<i;++r){var n=e.charCodeAt(r);if(55296<=n&&n<=56319){if(++r>=i)return t+o.wcwidth(n);var s=e.charCodeAt(r);56320<=s&&s<=57343?n=1024*(n-55296)+s-56320+65536:t+=o.wcwidth(s)}t+=o.wcwidth(n)}return t}},{"./common/TypedArrayUtils":26}],6:[function(e,t,i){"use strict";function r(e){return e.replace(/\r?\n/g,"\r")}function n(e,t){return t?"[200~"+e+"[201~":e}function s(e,t){var i=t.screenElement.getBoundingClientRect(),r=e.clientX-i.left-10,n=e.clientY-i.top-10;t.textarea.style.position="absolute",t.textarea.style.width="20px",t.textarea.style.height="20px",t.textarea.style.left=r+"px",t.textarea.style.top=n+"px",t.textarea.style.zIndex="1000",t.textarea.focus(),setTimeout(function(){t.textarea.style.position=null,t.textarea.style.width=null,t.textarea.style.height=null,t.textarea.style.left=null,t.textarea.style.top=null,t.textarea.style.zIndex=null},200)}Object.defineProperty(i,"__esModule",{value:!0}),i.prepareTextForTerminal=r,i.bracketTextForPaste=n,i.copyHandler=function(e,t,i){t.browser.isMSIE?window.clipboardData.setData("Text",i.selectionText):e.clipboardData.setData("text/plain",i.selectionText),e.preventDefault()},i.pasteHandler=function(t,i){function e(e){e=n(e=r(e),i.bracketedPasteMode),i.handler(e),i.textarea.value="",i.emit("paste",e),i.cancel(t)}t.stopPropagation(),i.browser.isMSIE?window.clipboardData&&e(window.clipboardData.getData("Text")):t.clipboardData&&e(t.clipboardData.getData("text/plain"))},i.moveTextAreaUnderMouseCursor=s,i.rightClickHandler=function(e,t,i,r){s(e,t),r&&!i.isClickInSelection(e)&&i.selectWordAtCursor(e),t.textarea.value=i.selectionText,t.textarea.select()}},{}],7:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.compositionstart=function(){this._isComposing=!0,this._compositionPosition.start=this._textarea.value.length,this._compositionView.textContent="",this._compositionView.classList.add("active")},n.prototype.compositionupdate=function(e){var t=this;this._compositionView.textContent=e.data,this.updateCompositionElements(),setTimeout(function(){t._compositionPosition.end=t._textarea.value.length},0)},n.prototype.compositionend=function(){this._finalizeComposition(!0)},n.prototype.keydown=function(e){if(this._isComposing||this._isSendingComposition){if(229===e.keyCode)return!1;if(16===e.keyCode||17===e.keyCode||18===e.keyCode)return!1;this._finalizeComposition(!1)}return 229!==e.keyCode||(this._handleAnyTextareaChanges(),!1)},n.prototype._finalizeComposition=function(e){var t=this;if(this._compositionView.classList.remove("active"),this._isComposing=!1,this._clearTextareaPosition(),e){var i={start:this._compositionPosition.start,end:this._compositionPosition.end};this._isSendingComposition=!0,setTimeout(function(){if(t._isSendingComposition){t._isSendingComposition=!1;var e=void 0;e=t._isComposing?t._textarea.value.substring(i.start,i.end):t._textarea.value.substring(i.start),t._terminal.handler(e)}},0)}else{this._isSendingComposition=!1;var r=this._textarea.value.substring(this._compositionPosition.start,this._compositionPosition.end);this._terminal.handler(r)}},n.prototype._handleAnyTextareaChanges=function(){var t=this,i=this._textarea.value;setTimeout(function(){if(!t._isComposing){var e=t._textarea.value.replace(i,"");0<e.length&&t._terminal.handler(e)}},0)},n.prototype.updateCompositionElements=function(e){var t=this;if(this._isComposing){if(this._terminal.buffer.isCursorInViewport){var i=Math.ceil(this._terminal.charMeasure.height*this._terminal.options.lineHeight),r=this._terminal.buffer.y*i,n=this._terminal.buffer.x*this._terminal.charMeasure.width;this._compositionView.style.left=n+"px",this._compositionView.style.top=r+"px",this._compositionView.style.height=i+"px",this._compositionView.style.lineHeight=i+"px",this._compositionView.style.fontFamily=this._terminal.options.fontFamily,this._compositionView.style.fontSize=this._terminal.options.fontSize+"px";var s=this._compositionView.getBoundingClientRect();this._textarea.style.left=n+"px",this._textarea.style.top=r+"px",this._textarea.style.width=s.width+"px",this._textarea.style.height=s.height+"px",this._textarea.style.lineHeight=s.height+"px"}e||setTimeout(function(){return t.updateCompositionElements(!0)},0)}},n.prototype._clearTextareaPosition=function(){this._textarea.style.left="",this._textarea.style.top=""},n);function n(e,t,i){this._textarea=e,this._compositionView=t,this._terminal=i,this._isComposing=!1,this._isSendingComposition=!1,this._compositionPosition={start:null,end:null}}i.CompositionHelper=r},{}],8:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s=e("./common/Lifecycle"),S=e("./core/input/TextDecoder");function o(e,t){for(var i=t-e,r=new Array(i);i--;)r[i]=--t;return r}var a=(l.prototype.add=function(e,t,i,r){this.table[t<<8|e]=(0|i)<<4|(void 0===r?t:r)},l.prototype.addMany=function(e,t,i,r){for(var n=0;n<e.length;n++)this.add(e[n],t,i,r)},l);function l(e){this.table="undefined"==typeof Uint8Array?new Array(e):new Uint8Array(e)}i.TransitionTable=a;var h=o(32,127),c=o(0,24);c.push(25),c.push.apply(c,o(28,32));i.VT500_TRANSITION_TABLE=function(){var e,t=new a(4095),i=o(0,14);for(e in i)for(var r=0;r<=160;++r)t.add(r,e,1,0);for(e in t.addMany(h,0,2,0),i)t.addMany([24,26,153,154],e,3,0),t.addMany(o(128,144),e,3,0),t.addMany(o(144,152),e,3,0),t.add(156,e,0,0),t.add(27,e,11,1),t.add(157,e,4,8),t.addMany([152,158,159],e,0,7),t.add(155,e,11,3),t.add(144,e,11,9);return t.addMany(c,0,3,0),t.addMany(c,1,3,1),t.add(127,1,0,1),t.addMany(c,8,0,8),t.addMany(c,3,3,3),t.add(127,3,0,3),t.addMany(c,4,3,4),t.add(127,4,0,4),t.addMany(c,6,3,6),t.addMany(c,5,3,5),t.add(127,5,0,5),t.addMany(c,2,3,2),t.add(127,2,0,2),t.add(93,1,4,8),t.addMany(h,8,5,8),t.add(127,8,5,8),t.addMany([156,27,24,26,7],8,6,0),t.addMany(o(28,32),8,0,8),t.addMany([88,94,95],1,0,7),t.addMany(h,7,0,7),t.addMany(c,7,0,7),t.add(156,7,0,0),t.add(127,7,0,7),t.add(91,1,11,3),t.addMany(o(64,127),3,7,0),t.addMany(o(48,58),3,8,4),t.add(59,3,8,4),t.addMany([60,61,62,63],3,9,4),t.addMany(o(48,58),4,8,4),t.add(59,4,8,4),t.addMany(o(64,127),4,7,0),t.addMany([58,60,61,62,63],4,0,6),t.addMany(o(32,64),6,0,6),t.add(127,6,0,6),t.addMany(o(64,127),6,0,0),t.add(58,3,0,6),t.addMany(o(32,48),3,9,5),t.addMany(o(32,48),5,9,5),t.addMany(o(48,64),5,0,6),t.addMany(o(64,127),5,7,0),t.addMany(o(32,48),4,9,5),t.addMany(o(32,48),1,9,2),t.addMany(o(32,48),2,9,2),t.addMany(o(48,127),2,10,0),t.addMany(o(48,80),1,10,0),t.addMany(o(81,88),1,10,0),t.addMany([89,90,92],1,10,0),t.addMany(o(96,127),1,10,0),t.add(80,1,11,9),t.addMany(c,9,0,9),t.add(127,9,0,9),t.addMany(o(28,32),9,0,9),t.addMany(o(32,48),9,9,12),t.add(58,9,0,11),t.addMany(o(48,58),9,8,10),t.add(59,9,8,10),t.addMany([60,61,62,63],9,9,10),t.addMany(c,11,0,11),t.addMany(o(32,128),11,0,11),t.addMany(o(28,32),11,0,11),t.addMany(c,10,0,10),t.add(127,10,0,10),t.addMany(o(28,32),10,0,10),t.addMany(o(48,58),10,8,10),t.add(59,10,8,10),t.addMany([58,60,61,62,63],10,0,11),t.addMany(o(32,48),10,9,12),t.addMany(c,12,0,12),t.add(127,12,0,12),t.addMany(o(28,32),12,0,12),t.addMany(o(32,48),12,9,12),t.addMany(o(48,64),12,0,11),t.addMany(o(64,127),12,12,13),t.addMany(o(64,127),10,12,13),t.addMany(o(64,127),9,12,13),t.addMany(c,13,13,13),t.addMany(h,13,13,13),t.add(127,13,0,13),t.addMany([27,156],13,14,0),t.add(160,8,5,8),t}();var u=(f.prototype.hook=function(e,t,i){},f.prototype.put=function(e,t,i){},f.prototype.unhook=function(){},f);function f(){}var _,d=(_=s.Disposable,n(p,_),p.prototype.dispose=function(){this._printHandlerFb=null,this._executeHandlerFb=null,this._csiHandlerFb=null,this._escHandlerFb=null,this._oscHandlerFb=null,this._dcsHandlerFb=null,this._errorHandlerFb=null,this._printHandler=null,this._executeHandlers=null,this._escHandlers=null,this._csiHandlers=null,this._oscHandlers=null,this._dcsHandlers=null,this._activeDcsHandler=null,this._errorHandler=null},p.prototype.setPrintHandler=function(e){this._printHandler=e},p.prototype.clearPrintHandler=function(){this._printHandler=this._printHandlerFb},p.prototype.setExecuteHandler=function(e,t){this._executeHandlers[e.charCodeAt(0)]=t},p.prototype.clearExecuteHandler=function(e){this._executeHandlers[e.charCodeAt(0)]&&delete this._executeHandlers[e.charCodeAt(0)]},p.prototype.setExecuteHandlerFallback=function(e){this._executeHandlerFb=e},p.prototype.addCsiHandler=function(e,t){var i=e.charCodeAt(0);void 0===this._csiHandlers[i]&&(this._csiHandlers[i]=[]);var r=this._csiHandlers[i];return r.push(t),{dispose:function(){var e=r.indexOf(t);-1!==e&&r.splice(e,1)}}},p.prototype.setCsiHandler=function(e,t){this._csiHandlers[e.charCodeAt(0)]=[t]},p.prototype.clearCsiHandler=function(e){this._csiHandlers[e.charCodeAt(0)]&&delete this._csiHandlers[e.charCodeAt(0)]},p.prototype.setCsiHandlerFallback=function(e){this._csiHandlerFb=e},p.prototype.setEscHandler=function(e,t){this._escHandlers[e]=t},p.prototype.clearEscHandler=function(e){this._escHandlers[e]&&delete this._escHandlers[e]},p.prototype.setEscHandlerFallback=function(e){this._escHandlerFb=e},p.prototype.addOscHandler=function(e,t){void 0===this._oscHandlers[e]&&(this._oscHandlers[e]=[]);var i=this._oscHandlers[e];return i.push(t),{dispose:function(){var e=i.indexOf(t);-1!==e&&i.splice(e,1)}}},p.prototype.setOscHandler=function(e,t){this._oscHandlers[e]=[t]},p.prototype.clearOscHandler=function(e){this._oscHandlers[e]&&delete this._oscHandlers[e]},p.prototype.setOscHandlerFallback=function(e){this._oscHandlerFb=e},p.prototype.setDcsHandler=function(e,t){this._dcsHandlers[e]=t},p.prototype.clearDcsHandler=function(e){this._dcsHandlers[e]&&delete this._dcsHandlers[e]},p.prototype.setDcsHandlerFallback=function(e){this._dcsHandlerFb=e},p.prototype.setErrorHandler=function(e){this._errorHandler=e},p.prototype.clearErrorHandler=function(){this._errorHandler=this._errorHandlerFb},p.prototype.reset=function(){this.currentState=this.initialState,this._osc="",this._params=[0],this._collect="",this._activeDcsHandler=null},p.prototype.parse=function(e,t){for(var i=0,r=0,n=!1,s=this.currentState,o=-1,a=-1,l=this._osc,h=this._collect,c=this._params,u=this.TRANSITIONS.table,f=this._activeDcsHandler,_=null,d=0;d<t;++d)if(i=e[d],0===s&&31<i&&i<128){for(o=~o?o:d;++d<t&&31<e[d]&&e[d]<128;);d--}else if(4===s&&47<i&&i<57)c[c.length-1]=10*c[c.length-1]+i-48;else{switch((r=u[s<<8|(i<160?i:160)])>>4){case 2:o=~o?o:d;break;case 3:~o&&(this._printHandler(e,o,d),o=-1),(_=this._executeHandlers[i])?_():this._executeHandlerFb(i);break;case 0:~o?(this._printHandler(e,o,d),o=-1):~a&&(f.put(e,a,d),a=-1);break;case 1:if(159<i)switch(s){case 0:o=~o?o:d;break;case 6:r|=6;break;case 11:r|=11;break;case 13:a=~a?a:d,r|=13;break;default:n=!0}else n=!0;if(n){if(this._errorHandler({position:d,code:i,currentState:s,print:o,dcs:a,osc:l,collect:h,params:c,abort:!1}).abort)return;n=!1}break;case 7:for(var p=this._csiHandlers[i],m=p?p.length-1:-1;0<=m&&!1===p[m](c,h);m--);m<0&&this._csiHandlerFb(h,c,i);break;case 8:59===i?c.push(0):c[c.length-1]=10*c[c.length-1]+i-48;break;case 9:h+=String.fromCharCode(i);break;case 10:(_=this._escHandlers[h+String.fromCharCode(i)])?_(h,i):this._escHandlerFb(h,i);break;case 11:~o&&(this._printHandler(e,o,d),o=-1),c=[0],h=l="",a=-1;break;case 12:(f=(f=this._dcsHandlers[h+String.fromCharCode(i)])||this._dcsHandlerFb).hook(h,c,i);break;case 13:a=~a?a:d;break;case 14:f&&(~a&&f.put(e,a,d),f.unhook(),f=null),27===i&&(r|=1),c=[0],h=l="",a=-1;break;case 4:~o&&(this._printHandler(e,o,d),o=-1),l="";break;case 5:for(var y=d+1;;y++)if(t<=y||(i=e[y])<32||127<i&&i<=159){l+=S.utf32ToString(e,d,y),d=y-1;break}break;case 6:if(l&&24!==i&&26!==i){var g=l.indexOf(";");if(-1===g)this._oscHandlerFb(-1,l);else{for(var C=parseInt(l.substring(0,g)),v=l.substring(g+1),b=this._oscHandlers[C],w=b?b.length-1:-1;0<=w&&!1===b[w](v);w--);w<0&&this._oscHandlerFb(C,v)}}27===i&&(r|=1),c=[0],h=l="",a=-1}s=15&r}0===s&&~o?this._printHandler(e,o,t):13===s&&~a&&f&&f.put(e,a,t),this._osc=l,this._collect=h,this._params=c,this._activeDcsHandler=f,this.currentState=s},p);function p(e){void 0===e&&(e=i.VT500_TRANSITION_TABLE);var t=_.call(this)||this;return t.TRANSITIONS=e,t.initialState=0,t.currentState=t.initialState,t._osc="",t._params=[0],t._collect="",t._printHandlerFb=function(e,t,i){},t._executeHandlerFb=function(e){},t._csiHandlerFb=function(e,t,i){},t._escHandlerFb=function(e,t){},t._oscHandlerFb=function(e,t){},t._dcsHandlerFb=new u,t._errorHandlerFb=function(e){return e},t._printHandler=t._printHandlerFb,t._executeHandlers=Object.create(null),t._csiHandlers=Object.create(null),t._escHandlers=Object.create(null),t._oscHandlers=Object.create(null),t._dcsHandlers=Object.create(null),t._activeDcsHandler=null,t._errorHandler=t._errorHandlerFb,t.setEscHandler("\\",function(){}),t}i.EscapeSequenceParser=d},{"./common/Lifecycle":24,"./core/input/TextDecoder":34}],9:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var o=e("./common/data/EscapeSequences"),a=e("./core/data/Charsets"),p=e("./CharWidth"),l=e("./EscapeSequenceParser"),s=e("./common/Lifecycle"),h=e("./common/TypedArrayUtils"),m=e("./core/input/TextDecoder"),y=e("./core/buffer/BufferLine"),c=e("./common/EventEmitter2"),u={"(":0,")":1,"*":2,"+":3,"-":1,".":2},f=(_.prototype.hook=function(e,t,i){this._data=new Uint32Array(0)},_.prototype.put=function(e,t,i){this._data=h.concat(this._data,e.subarray(t,i))},_.prototype.unhook=function(){var e=m.utf32ToString(this._data);switch(this._data=new Uint32Array(0),e){case'"q':return this._terminal.handler(o.C0.ESC+'P1$r0"q'+o.C0.ESC+"\\");case'"p':return this._terminal.handler(o.C0.ESC+'P1$r61"p'+o.C0.ESC+"\\");case"r":var t=this._terminal.buffer.scrollTop+1+";"+(this._terminal.buffer.scrollBottom+1)+"r";return this._terminal.handler(o.C0.ESC+"P1$r"+t+o.C0.ESC+"\\");case"m":return this._terminal.handler(o.C0.ESC+"P1$r0m"+o.C0.ESC+"\\");case" q":var i={block:2,underline:4,bar:6}[this._terminal.getOption("cursorStyle")];return i-=this._terminal.getOption("cursorBlink"),this._terminal.handler(o.C0.ESC+"P1$r"+i+" q"+o.C0.ESC+"\\");default:this._terminal.error("Unknown DCS $q %s",e),this._terminal.handler(o.C0.ESC+"P0$r"+o.C0.ESC+"\\")}},_);function _(e){this._terminal=e,this._data=new Uint32Array(0)}var d,g=(d=s.Disposable,n(C,d),Object.defineProperty(C.prototype,"onCursorMove",{get:function(){return this._onCursorMove.event},enumerable:!0,configurable:!0}),Object.defineProperty(C.prototype,"onData",{get:function(){return this._onData.event},enumerable:!0,configurable:!0}),Object.defineProperty(C.prototype,"onLineFeed",{get:function(){return this._onLineFeed.event},enumerable:!0,configurable:!0}),Object.defineProperty(C.prototype,"onScroll",{get:function(){return this._onScroll.event},enumerable:!0,configurable:!0}),C.prototype.dispose=function(){d.prototype.dispose.call(this),this._terminal=null},C.prototype.parse=function(e){if(this._terminal){var t=this._terminal.buffer,i=t.x,r=t.y;this._terminal.debug&&this._terminal.log("data: "+e),this._parseBuffer.length<e.length&&(this._parseBuffer=new Uint32Array(e.length)),this._parser.parse(this._parseBuffer,this._stringDecoder.decode(e,this._parseBuffer)),(t=this._terminal.buffer).x===i&&t.y===r||this._onCursorMove.fire()}},C.prototype.parseUtf8=function(e){if(this._terminal){var t=this._terminal.buffer,i=t.x,r=t.y;this._terminal.debug&&this._terminal.log("data: "+e),this._parseBuffer.length<e.length&&(this._parseBuffer=new Uint32Array(e.length)),this._parser.parse(this._parseBuffer,this._utf8Decoder.decode(e,this._parseBuffer)),(t=this._terminal.buffer).x===i&&t.y===r||this._terminal.emit("cursormove")}},C.prototype.print=function(e,t,i){var r,n,s=this._terminal.buffer,o=this._terminal.charset,a=this._terminal.options.screenReaderMode,l=this._terminal.cols,h=this._terminal.wraparoundMode,c=this._terminal.insertMode,u=this._terminal.curAttrData,f=s.lines.get(s.y+s.ybase);this._terminal.updateRange(s.y);for(var _=t;_<i;++_){if(r=e[_],n=p.wcwidth(r),r<127&&o){var d=o[String.fromCharCode(r)];d&&(r=d.charCodeAt(0))}if(a&&this._terminal.emit("a11y.char",m.stringFromCodePoint(r)),n||!s.x){if(s.x+n-1>=l)if(h)s.x=0,s.y++,s.y>s.scrollBottom?(s.y--,this._terminal.scroll(!0)):s.lines.get(s.y).isWrapped=!0,f=s.lines.get(s.y+s.ybase);else if(2===n)continue;if(c&&(f.insertCells(s.x,n,s.getNullCell(u)),2===f.getWidth(l-1)&&f.setCellFromCodePoint(l-1,y.NULL_CELL_CODE,y.NULL_CELL_WIDTH,u.fg,u.bg)),f.setCellFromCodePoint(s.x++,r,n,u.fg,u.bg),0<n)for(;--n;)f.setCellFromCodePoint(s.x++,0,0,u.fg,u.bg)}else f.getWidth(s.x-1)?f.addCodepointToCell(s.x-1,r):f.addCodepointToCell(s.x-2,r)}this._terminal.updateRange(s.y)},C.prototype.addCsiHandler=function(e,t){return this._parser.addCsiHandler(e,t)},C.prototype.addOscHandler=function(e,t){return this._parser.addOscHandler(e,t)},C.prototype.bell=function(){this._terminal.bell()},C.prototype.lineFeed=function(){var e=this._terminal.buffer;this._terminal.options.convertEol&&(e.x=0),e.y++,e.y>e.scrollBottom&&(e.y--,this._terminal.scroll()),e.x>=this._terminal.cols&&e.x--,this._onLineFeed.fire()},C.prototype.carriageReturn=function(){this._terminal.buffer.x=0},C.prototype.backspace=function(){0<this._terminal.buffer.x&&this._terminal.buffer.x--},C.prototype.tab=function(){var e=this._terminal.buffer.x;this._terminal.buffer.x=this._terminal.buffer.nextStop(),this._terminal.options.screenReaderMode&&this._terminal.emit("a11y.tab",this._terminal.buffer.x-e)},C.prototype.shiftOut=function(){this._terminal.setgLevel(1)},C.prototype.shiftIn=function(){this._terminal.setgLevel(0)},C.prototype.insertChars=function(e){this._terminal.buffer.lines.get(this._terminal.buffer.y+this._terminal.buffer.ybase).insertCells(this._terminal.buffer.x,e[0]||1,this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())),this._terminal.updateRange(this._terminal.buffer.y)},C.prototype.cursorUp=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y-=t,this._terminal.buffer.y<0&&(this._terminal.buffer.y=0)},C.prototype.cursorDown=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y+=t,this._terminal.buffer.y>=this._terminal.rows&&(this._terminal.buffer.y=this._terminal.rows-1),this._terminal.buffer.x>=this._terminal.cols&&this._terminal.buffer.x--},C.prototype.cursorForward=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.x+=t,this._terminal.buffer.x>=this._terminal.cols&&(this._terminal.buffer.x=this._terminal.cols-1)},C.prototype.cursorBackward=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.x>=this._terminal.cols&&this._terminal.buffer.x--,this._terminal.buffer.x-=t,this._terminal.buffer.x<0&&(this._terminal.buffer.x=0)},C.prototype.cursorNextLine=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y+=t,this._terminal.buffer.y>=this._terminal.rows&&(this._terminal.buffer.y=this._terminal.rows-1),this._terminal.buffer.x=0},C.prototype.cursorPrecedingLine=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y-=t,this._terminal.buffer.y<0&&(this._terminal.buffer.y=0),this._terminal.buffer.x=0},C.prototype.cursorCharAbsolute=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.x=t-1},C.prototype.cursorPosition=function(e){var t,i=e[0]-1;t=2<=e.length?e[1]-1:0,i<0?i=0:i>=this._terminal.rows&&(i=this._terminal.rows-1),t<0?t=0:t>=this._terminal.cols&&(t=this._terminal.cols-1),this._terminal.buffer.x=t,this._terminal.buffer.y=i},C.prototype.cursorForwardTab=function(e){for(var t=e[0]||1;t--;)this._terminal.buffer.x=this._terminal.buffer.nextStop()},C.prototype._eraseInBufferLine=function(e,t,i,r){void 0===r&&(r=!1);var n=this._terminal.buffer.lines.get(this._terminal.buffer.ybase+e);n.replaceCells(t,i,this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())),r&&(n.isWrapped=!1)},C.prototype._resetBufferLine=function(e){this._eraseInBufferLine(e,0,this._terminal.cols,!0)},C.prototype.eraseInDisplay=function(e){var t;switch(e[0]){case 0:for(t=this._terminal.buffer.y,this._terminal.updateRange(t),this._eraseInBufferLine(t++,this._terminal.buffer.x,this._terminal.cols,0===this._terminal.buffer.x);t<this._terminal.rows;t++)this._resetBufferLine(t);this._terminal.updateRange(t);break;case 1:for(t=this._terminal.buffer.y,this._terminal.updateRange(t),this._eraseInBufferLine(t,0,this._terminal.buffer.x+1,!0),this._terminal.buffer.x+1>=this._terminal.cols&&(this._terminal.buffer.lines.get(t+1).isWrapped=!1);t--;)this._resetBufferLine(t);this._terminal.updateRange(0);break;case 2:for(t=this._terminal.rows,this._terminal.updateRange(t-1);t--;)this._resetBufferLine(t);this._terminal.updateRange(0);break;case 3:var i=this._terminal.buffer.lines.length-this._terminal.rows;0<i&&(this._terminal.buffer.lines.trimStart(i),this._terminal.buffer.ybase=Math.max(this._terminal.buffer.ybase-i,0),this._terminal.buffer.ydisp=Math.max(this._terminal.buffer.ydisp-i,0),this._onScroll.fire(0))}},C.prototype.eraseInLine=function(e){switch(e[0]){case 0:this._eraseInBufferLine(this._terminal.buffer.y,this._terminal.buffer.x,this._terminal.cols);break;case 1:this._eraseInBufferLine(this._terminal.buffer.y,0,this._terminal.buffer.x+1);break;case 2:this._eraseInBufferLine(this._terminal.buffer.y,0,this._terminal.cols)}this._terminal.updateRange(this._terminal.buffer.y)},C.prototype.insertLines=function(e){var t=e[0];t<1&&(t=1);for(var i=this._terminal.buffer,r=i.y+i.ybase,n=this._terminal.rows-1-i.scrollBottom,s=this._terminal.rows-1+i.ybase-n+1;t--;)i.lines.splice(s-1,1),i.lines.splice(r,0,i.getBlankLine(this._terminal.eraseAttrData()));this._terminal.updateRange(i.y),this._terminal.updateRange(i.scrollBottom)},C.prototype.deleteLines=function(e){var t=e[0];t<1&&(t=1);var i,r=this._terminal.buffer,n=r.y+r.ybase;for(i=this._terminal.rows-1-r.scrollBottom,i=this._terminal.rows-1+r.ybase-i;t--;)r.lines.splice(n,1),r.lines.splice(i,0,r.getBlankLine(this._terminal.eraseAttrData()));this._terminal.updateRange(r.y),this._terminal.updateRange(r.scrollBottom)},C.prototype.deleteChars=function(e){this._terminal.buffer.lines.get(this._terminal.buffer.y+this._terminal.buffer.ybase).deleteCells(this._terminal.buffer.x,e[0]||1,this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())),this._terminal.updateRange(this._terminal.buffer.y)},C.prototype.scrollUp=function(e){for(var t=e[0]||1,i=this._terminal.buffer;t--;)i.lines.splice(i.ybase+i.scrollTop,1),i.lines.splice(i.ybase+i.scrollBottom,0,i.getBlankLine(y.DEFAULT_ATTR_DATA));this._terminal.updateRange(i.scrollTop),this._terminal.updateRange(i.scrollBottom)},C.prototype.scrollDown=function(e,t){if(e.length<2&&!t){for(var i=e[0]||1,r=this._terminal.buffer;i--;)r.lines.splice(r.ybase+r.scrollBottom,1),r.lines.splice(r.ybase+r.scrollTop,0,r.getBlankLine(y.DEFAULT_ATTR_DATA));this._terminal.updateRange(r.scrollTop),this._terminal.updateRange(r.scrollBottom)}},C.prototype.eraseChars=function(e){this._terminal.buffer.lines.get(this._terminal.buffer.y+this._terminal.buffer.ybase).replaceCells(this._terminal.buffer.x,this._terminal.buffer.x+(e[0]||1),this._terminal.buffer.getNullCell(this._terminal.eraseAttrData()))},C.prototype.cursorBackwardTab=function(e){for(var t=e[0]||1,i=this._terminal.buffer;t--;)i.x=i.prevStop()},C.prototype.charPosAbsolute=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.x=t-1,this._terminal.buffer.x>=this._terminal.cols&&(this._terminal.buffer.x=this._terminal.cols-1)},C.prototype.hPositionRelative=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.x+=t,this._terminal.buffer.x>=this._terminal.cols&&(this._terminal.buffer.x=this._terminal.cols-1)},C.prototype.repeatPrecedingCharacter=function(e){var t=this._terminal.buffer,i=t.lines.get(t.ybase+t.y);i.loadCell(t.x-1,this._workCell),i.replaceCells(t.x,t.x+(e[0]||1),void 0!==this._workCell.content?this._workCell:t.getNullCell(y.DEFAULT_ATTR_DATA))},C.prototype.sendDeviceAttributes=function(e,t){0<e[0]||(t?">"===t&&(this._terminal.is("xterm")?this._terminal.handler(o.C0.ESC+"[>0;276;0c"):this._terminal.is("rxvt-unicode")?this._terminal.handler(o.C0.ESC+"[>85;95;0c"):this._terminal.is("linux")?this._terminal.handler(e[0]+"c"):this._terminal.is("screen")&&this._terminal.handler(o.C0.ESC+"[>83;40003;0c")):this._terminal.is("xterm")||this._terminal.is("rxvt-unicode")||this._terminal.is("screen")?this._terminal.handler(o.C0.ESC+"[?1;2c"):this._terminal.is("linux")&&this._terminal.handler(o.C0.ESC+"[?6c"))},C.prototype.linePosAbsolute=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y=t-1,this._terminal.buffer.y>=this._terminal.rows&&(this._terminal.buffer.y=this._terminal.rows-1)},C.prototype.vPositionRelative=function(e){var t=e[0];t<1&&(t=1),this._terminal.buffer.y+=t,this._terminal.buffer.y>=this._terminal.rows&&(this._terminal.buffer.y=this._terminal.rows-1),this._terminal.buffer.x>=this._terminal.cols&&this._terminal.buffer.x--},C.prototype.hVPosition=function(e){e[0]<1&&(e[0]=1),e[1]<1&&(e[1]=1),this._terminal.buffer.y=e[0]-1,this._terminal.buffer.y>=this._terminal.rows&&(this._terminal.buffer.y=this._terminal.rows-1),this._terminal.buffer.x=e[1]-1,this._terminal.buffer.x>=this._terminal.cols&&(this._terminal.buffer.x=this._terminal.cols-1)},C.prototype.tabClear=function(e){var t=e[0];t<=0?delete this._terminal.buffer.tabs[this._terminal.buffer.x]:3===t&&(this._terminal.buffer.tabs={})},C.prototype.setMode=function(e,t){if(1<e.length)for(var i=0;i<e.length;i++)this.setMode([e[i]]);else if(t){if("?"===t)switch(e[0]){case 1:this._terminal.applicationCursor=!0;break;case 2:this._terminal.setgCharset(0,a.DEFAULT_CHARSET),this._terminal.setgCharset(1,a.DEFAULT_CHARSET),this._terminal.setgCharset(2,a.DEFAULT_CHARSET),this._terminal.setgCharset(3,a.DEFAULT_CHARSET);break;case 3:this._terminal.savedCols=this._terminal.cols,this._terminal.resize(132,this._terminal.rows);break;case 6:this._terminal.originMode=!0;break;case 7:this._terminal.wraparoundMode=!0;break;case 12:break;case 66:this._terminal.log("Serial port requested application keypad."),this._terminal.applicationKeypad=!0,this._terminal.viewport&&this._terminal.viewport.syncScrollArea();break;case 9:case 1e3:case 1002:case 1003:this._terminal.x10Mouse=9===e[0],this._terminal.vt200Mouse=1e3===e[0],this._terminal.normalMouse=1e3<e[0],this._terminal.mouseEvents=!0,this._terminal.element&&this._terminal.element.classList.add("enable-mouse-events"),this._terminal.selectionManager&&this._terminal.selectionManager.disable(),this._terminal.log("Binding to mouse events.");break;case 1004:this._terminal.sendFocus=!0;break;case 1005:this._terminal.utfMouse=!0;break;case 1006:this._terminal.sgrMouse=!0;break;case 1015:this._terminal.urxvtMouse=!0;break;case 25:this._terminal.cursorHidden=!1;break;case 1048:this.saveCursor(e);break;case 1049:this.saveCursor(e);case 47:case 1047:this._terminal.buffers.activateAltBuffer(this._terminal.eraseAttrData()),this._terminal.refresh(0,this._terminal.rows-1),this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!0}}else switch(e[0]){case 4:this._terminal.insertMode=!0}},C.prototype.resetMode=function(e,t){if(1<e.length)for(var i=0;i<e.length;i++)this.resetMode([e[i]]);else if(t){if("?"===t)switch(e[0]){case 1:this._terminal.applicationCursor=!1;break;case 3:132===this._terminal.cols&&this._terminal.savedCols&&this._terminal.resize(this._terminal.savedCols,this._terminal.rows),delete this._terminal.savedCols;break;case 6:this._terminal.originMode=!1;break;case 7:this._terminal.wraparoundMode=!1;break;case 12:break;case 66:this._terminal.log("Switching back to normal keypad."),this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea();break;case 9:case 1e3:case 1002:case 1003:this._terminal.x10Mouse=!1,this._terminal.vt200Mouse=!1,this._terminal.normalMouse=!1,this._terminal.mouseEvents=!1,this._terminal.element&&this._terminal.element.classList.remove("enable-mouse-events"),this._terminal.selectionManager&&this._terminal.selectionManager.enable();break;case 1004:this._terminal.sendFocus=!1;break;case 1005:this._terminal.utfMouse=!1;break;case 1006:this._terminal.sgrMouse=!1;break;case 1015:this._terminal.urxvtMouse=!1;break;case 25:this._terminal.cursorHidden=!0;break;case 1048:this.restoreCursor(e);break;case 1049:case 47:case 1047:this._terminal.buffers.activateNormalBuffer(),1049===e[0]&&this.restoreCursor(e),this._terminal.refresh(0,this._terminal.rows-1),this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!1}}else switch(e[0]){case 4:this._terminal.insertMode=!1}},C.prototype.charAttributes=function(e){if(1===e.length&&0===e[0])return this._terminal.curAttrData.fg=y.DEFAULT_ATTR_DATA.fg,void(this._terminal.curAttrData.bg=y.DEFAULT_ATTR_DATA.bg);for(var t,i=e.length,r=this._terminal.curAttrData,n=0;n<i;n++)30<=(t=e[n])&&t<=37?(r.fg&=-50331904,r.fg|=16777216|t-30):40<=t&&t<=47?(r.bg&=-50331904,r.bg|=16777216|t-40):90<=t&&t<=97?(r.fg&=-50331904,r.fg|=16777224|t-90):100<=t&&t<=107?(r.bg&=-50331904,r.bg|=16777224|t-100):0===t?(r.fg=y.DEFAULT_ATTR_DATA.fg,r.bg=y.DEFAULT_ATTR_DATA.bg):1===t?r.fg|=134217728:3===t?r.bg|=67108864:4===t?r.fg|=268435456:5===t?r.fg|=536870912:7===t?r.fg|=67108864:8===t?r.fg|=1073741824:2===t?r.bg|=134217728:22===t?(r.fg&=-134217729,r.bg&=-134217729):23===t?r.bg&=-67108865:24===t?r.fg&=-268435457:25===t?r.fg&=-536870913:27===t?r.fg&=-67108865:28===t?r.fg&=-1073741825:39===t?(r.fg&=-67108864,r.fg|=16777215&y.DEFAULT_ATTR_DATA.fg):49===t?(r.bg&=-67108864,r.bg|=16777215&y.DEFAULT_ATTR_DATA.bg):38===t?2===e[n+1]?(n+=2,r.fg|=50331648,r.fg&=-16777216,r.fg|=y.AttributeData.fromColorRGB([e[n],e[n+1],e[n+2]]),n+=2):5===e[n+1]&&(t=255&e[n+=2],r.fg&=-50331904,r.fg|=33554432|t):48===t?2===e[n+1]?(n+=2,r.bg|=50331648,r.bg&=-16777216,r.bg|=y.AttributeData.fromColorRGB([e[n],e[n+1],e[n+2]]),n+=2):5===e[n+1]&&(t=255&e[n+=2],r.bg&=-50331904,r.bg|=33554432|t):100===t?(r.fg&=-67108864,r.fg|=16777215&y.DEFAULT_ATTR_DATA.fg,r.bg&=-67108864,r.bg|=16777215&y.DEFAULT_ATTR_DATA.bg):this._terminal.error("Unknown SGR attribute: %d.",t)},C.prototype.deviceStatus=function(e,t){if(t){if("?"===t)switch(e[0]){case 6:i=this._terminal.buffer.y+1,r=this._terminal.buffer.x+1,this._onData.fire(o.C0.ESC+"[?"+i+";"+r+"R")}}else switch(e[0]){case 5:this._onData.fire(o.C0.ESC+"[0n");break;case 6:var i=this._terminal.buffer.y+1,r=this._terminal.buffer.x+1;this._onData.fire(o.C0.ESC+"["+i+";"+r+"R")}},C.prototype.softReset=function(e,t){"!"===t&&(this._terminal.cursorHidden=!1,this._terminal.insertMode=!1,this._terminal.originMode=!1,this._terminal.wraparoundMode=!0,this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._terminal.applicationCursor=!1,this._terminal.buffer.scrollTop=0,this._terminal.buffer.scrollBottom=this._terminal.rows-1,this._terminal.curAttrData=y.DEFAULT_ATTR_DATA.clone(),this._terminal.buffer.x=this._terminal.buffer.y=0,this._terminal.charset=null,this._terminal.glevel=0,this._terminal.charsets=[null])},C.prototype.setCursorStyle=function(e,t){if(" "===t){var i=e[0]<1?1:e[0];switch(i){case 1:case 2:this._terminal.setOption("cursorStyle","block");break;case 3:case 4:this._terminal.setOption("cursorStyle","underline");break;case 5:case 6:this._terminal.setOption("cursorStyle","bar")}var r=i%2==1;this._terminal.setOption("cursorBlink",r)}},C.prototype.setScrollRegion=function(e,t){t||(this._terminal.buffer.scrollTop=(e[0]||1)-1,this._terminal.buffer.scrollBottom=(e[1]&&e[1]<=this._terminal.rows?e[1]:this._terminal.rows)-1,this._terminal.buffer.x=0,this._terminal.buffer.y=0)},C.prototype.saveCursor=function(e){this._terminal.buffer.savedX=this._terminal.buffer.x,this._terminal.buffer.savedY=this._terminal.buffer.y,this._terminal.buffer.savedCurAttrData.fg=this._terminal.curAttrData.fg,this._terminal.buffer.savedCurAttrData.bg=this._terminal.curAttrData.bg},C.prototype.restoreCursor=function(e){this._terminal.buffer.x=this._terminal.buffer.savedX||0,this._terminal.buffer.y=this._terminal.buffer.savedY||0,this._terminal.curAttrData.fg=this._terminal.buffer.savedCurAttrData.fg,this._terminal.curAttrData.bg=this._terminal.buffer.savedCurAttrData.bg},C.prototype.setTitle=function(e){this._terminal.handleTitle(e)},C.prototype.nextLine=function(){this._terminal.buffer.x=0,this.index()},C.prototype.keypadApplicationMode=function(){this._terminal.log("Serial port requested application keypad."),this._terminal.applicationKeypad=!0,this._terminal.viewport&&this._terminal.viewport.syncScrollArea()},C.prototype.keypadNumericMode=function(){this._terminal.log("Switching back to normal keypad."),this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea()},C.prototype.selectDefaultCharset=function(){this._terminal.setgLevel(0),this._terminal.setgCharset(0,a.DEFAULT_CHARSET)},C.prototype.selectCharset=function(e){2===e.length?"/"!==e[0]&&this._terminal.setgCharset(u[e[0]],a.CHARSETS[e[1]]||a.DEFAULT_CHARSET):this.selectDefaultCharset()},C.prototype.index=function(){this._terminal.index()},C.prototype.tabSet=function(){this._terminal.tabSet()},C.prototype.reverseIndex=function(){this._terminal.reverseIndex()},C.prototype.reset=function(){this._parser.reset(),this._terminal.reset()},C.prototype.setgLevel=function(e){this._terminal.setgLevel(e)},C);function C(e,t){void 0===t&&(t=new l.EscapeSequenceParser);var r=d.call(this)||this;r._terminal=e,r._parser=t,r._parseBuffer=new Uint32Array(4096),r._stringDecoder=new m.StringToUtf32,r._utf8Decoder=new m.Utf8ToUtf32,r._workCell=new y.CellData,r._onCursorMove=new c.EventEmitter2,r._onData=new c.EventEmitter2,r._onLineFeed=new c.EventEmitter2,r._onScroll=new c.EventEmitter2,r.register(r._parser),r._parser.setCsiHandlerFallback(function(e,t,i){r._terminal.error("Unknown CSI code: ",{collect:e,params:t,flag:String.fromCharCode(i)})}),r._parser.setEscHandlerFallback(function(e,t){r._terminal.error("Unknown ESC code: ",{collect:e,flag:String.fromCharCode(t)})}),r._parser.setExecuteHandlerFallback(function(e){r._terminal.error("Unknown EXECUTE code: ",{code:e})}),r._parser.setOscHandlerFallback(function(e,t){r._terminal.error("Unknown OSC code: ",{identifier:e,data:t})}),r._parser.setPrintHandler(function(e,t,i){return r.print(e,t,i)}),r._parser.setCsiHandler("@",function(e,t){return r.insertChars(e)}),r._parser.setCsiHandler("A",function(e,t){return r.cursorUp(e)}),r._parser.setCsiHandler("B",function(e,t){return r.cursorDown(e)}),r._parser.setCsiHandler("C",function(e,t){return r.cursorForward(e)}),r._parser.setCsiHandler("D",function(e,t){return r.cursorBackward(e)}),r._parser.setCsiHandler("E",function(e,t){return r.cursorNextLine(e)}),r._parser.setCsiHandler("F",function(e,t){return r.cursorPrecedingLine(e)}),r._parser.setCsiHandler("G",function(e,t){return r.cursorCharAbsolute(e)}),r._parser.setCsiHandler("H",function(e,t){return r.cursorPosition(e)}),r._parser.setCsiHandler("I",function(e,t){return r.cursorForwardTab(e)}),r._parser.setCsiHandler("J",function(e,t){return r.eraseInDisplay(e)}),r._parser.setCsiHandler("K",function(e,t){return r.eraseInLine(e)}),r._parser.setCsiHandler("L",function(e,t){return r.insertLines(e)}),r._parser.setCsiHandler("M",function(e,t){return r.deleteLines(e)}),r._parser.setCsiHandler("P",function(e,t){return r.deleteChars(e)}),r._parser.setCsiHandler("S",function(e,t){return r.scrollUp(e)}),r._parser.setCsiHandler("T",function(e,t){return r.scrollDown(e,t)}),r._parser.setCsiHandler("X",function(e,t){return r.eraseChars(e)}),r._parser.setCsiHandler("Z",function(e,t){return r.cursorBackwardTab(e)}),r._parser.setCsiHandler("`",function(e,t){return r.charPosAbsolute(e)}),r._parser.setCsiHandler("a",function(e,t){return r.hPositionRelative(e)}),r._parser.setCsiHandler("b",function(e,t){return r.repeatPrecedingCharacter(e)}),r._parser.setCsiHandler("c",function(e,t){return r.sendDeviceAttributes(e,t)}),r._parser.setCsiHandler("d",function(e,t){return r.linePosAbsolute(e)}),r._parser.setCsiHandler("e",function(e,t){return r.vPositionRelative(e)}),r._parser.setCsiHandler("f",function(e,t){return r.hVPosition(e)}),r._parser.setCsiHandler("g",function(e,t){return r.tabClear(e)}),r._parser.setCsiHandler("h",function(e,t){return r.setMode(e,t)}),r._parser.setCsiHandler("l",function(e,t){return r.resetMode(e,t)}),r._parser.setCsiHandler("m",function(e,t){return r.charAttributes(e)}),r._parser.setCsiHandler("n",function(e,t){return r.deviceStatus(e,t)}),r._parser.setCsiHandler("p",function(e,t){return r.softReset(e,t)}),r._parser.setCsiHandler("q",function(e,t){return r.setCursorStyle(e,t)}),r._parser.setCsiHandler("r",function(e,t){return r.setScrollRegion(e,t)}),r._parser.setCsiHandler("s",function(e,t){return r.saveCursor(e)}),r._parser.setCsiHandler("u",function(e,t){return r.restoreCursor(e)}),r._parser.setExecuteHandler(o.C0.BEL,function(){return r.bell()}),r._parser.setExecuteHandler(o.C0.LF,function(){return r.lineFeed()}),r._parser.setExecuteHandler(o.C0.VT,function(){return r.lineFeed()}),r._parser.setExecuteHandler(o.C0.FF,function(){return r.lineFeed()}),r._parser.setExecuteHandler(o.C0.CR,function(){return r.carriageReturn()}),r._parser.setExecuteHandler(o.C0.BS,function(){return r.backspace()}),r._parser.setExecuteHandler(o.C0.HT,function(){return r.tab()}),r._parser.setExecuteHandler(o.C0.SO,function(){return r.shiftOut()}),r._parser.setExecuteHandler(o.C0.SI,function(){return r.shiftIn()}),r._parser.setExecuteHandler(o.C1.IND,function(){return r.index()}),r._parser.setExecuteHandler(o.C1.NEL,function(){return r.nextLine()}),r._parser.setExecuteHandler(o.C1.HTS,function(){return r.tabSet()}),r._parser.setOscHandler(0,function(e){return r.setTitle(e)}),r._parser.setOscHandler(2,function(e){return r.setTitle(e)}),r._parser.setEscHandler("7",function(){return r.saveCursor([])}),r._parser.setEscHandler("8",function(){return r.restoreCursor([])}),r._parser.setEscHandler("D",function(){return r.index()}),r._parser.setEscHandler("E",function(){return r.nextLine()}),r._parser.setEscHandler("H",function(){return r.tabSet()}),r._parser.setEscHandler("M",function(){return r.reverseIndex()}),r._parser.setEscHandler("=",function(){return r.keypadApplicationMode()}),r._parser.setEscHandler(">",function(){return r.keypadNumericMode()}),r._parser.setEscHandler("c",function(){return r.reset()}),r._parser.setEscHandler("n",function(){return r.setgLevel(2)}),r._parser.setEscHandler("o",function(){return r.setgLevel(3)}),r._parser.setEscHandler("|",function(){return r.setgLevel(3)}),r._parser.setEscHandler("}",function(){return r.setgLevel(2)}),r._parser.setEscHandler("~",function(){return r.setgLevel(1)}),r._parser.setEscHandler("%@",function(){return r.selectDefaultCharset()}),r._parser.setEscHandler("%G",function(){return r.selectDefaultCharset()});function i(e){n._parser.setEscHandler("("+e,function(){return r.selectCharset("("+e)}),n._parser.setEscHandler(")"+e,function(){return r.selectCharset(")"+e)}),n._parser.setEscHandler("*"+e,function(){return r.selectCharset("*"+e)}),n._parser.setEscHandler("+"+e,function(){return r.selectCharset("+"+e)}),n._parser.setEscHandler("-"+e,function(){return r.selectCharset("-"+e)}),n._parser.setEscHandler("."+e,function(){return r.selectCharset("."+e)}),n._parser.setEscHandler("/"+e,function(){return r.selectCharset("/"+e)})}var n=this;for(var s in a.CHARSETS)i(s);return r._parser.setErrorHandler(function(e){return r._terminal.error("Parsing error: ",e),e}),r._parser.setDcsHandler("$q",new f(r._terminal)),r}i.InputHandler=g},{"./CharWidth":5,"./EscapeSequenceParser":8,"./common/EventEmitter2":23,"./common/Lifecycle":24,"./common/TypedArrayUtils":26,"./common/data/EscapeSequences":28,"./core/buffer/BufferLine":29,"./core/data/Charsets":32,"./core/input/TextDecoder":34}],10:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var u=e("./MouseZoneManager"),f=e("./CharWidth"),r=e("./common/EventEmitter2"),n=(Object.defineProperty(a.prototype,"onLinkHover",{get:function(){return this._onLinkHover.event},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onLinkLeave",{get:function(){return this._onLinkLeave.event},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onLinkTooltip",{get:function(){return this._onLinkTooltip.event},enumerable:!0,configurable:!0}),a.prototype.attachToDom=function(e){this._mouseZoneManager=e},a.prototype.linkifyRows=function(e,t){var i=this;this._mouseZoneManager&&(null===this._rowsToLinkify.start?(this._rowsToLinkify.start=e,this._rowsToLinkify.end=t):(this._rowsToLinkify.start=Math.min(this._rowsToLinkify.start,e),this._rowsToLinkify.end=Math.max(this._rowsToLinkify.end,t)),this._mouseZoneManager.clearAll(e,t),this._rowsTimeoutId&&clearTimeout(this._rowsTimeoutId),this._rowsTimeoutId=setTimeout(function(){return i._linkifyRows()},a.TIME_BEFORE_LINKIFY))},a.prototype._linkifyRows=function(){this._rowsTimeoutId=null;var e=this._terminal.buffer,t=e.ydisp+this._rowsToLinkify.start;if(!(t>=e.lines.length)){for(var i=e.ydisp+Math.min(this._rowsToLinkify.end,this._terminal.rows)+1,r=Math.ceil(a.OVERSCAN_CHAR_LIMIT/this._terminal.cols),n=this._terminal.buffer.iterator(!1,t,i,r,r);n.hasNext();)for(var s=n.next(),o=0;o<this._linkMatchers.length;o++)this._doLinkifyRow(s.range.first,s.content,this._linkMatchers[o]);this._rowsToLinkify.start=null,this._rowsToLinkify.end=null}},a.prototype.registerLinkMatcher=function(e,t,i){if(void 0===i&&(i={}),!t)throw new Error("handler must be defined");var r={id:this._nextLinkMatcherId++,regex:e,handler:t,matchIndex:i.matchIndex,validationCallback:i.validationCallback,hoverTooltipCallback:i.tooltipCallback,hoverLeaveCallback:i.leaveCallback,willLinkActivate:i.willLinkActivate,priority:i.priority||0};return this._addLinkMatcherToList(r),r.id},a.prototype._addLinkMatcherToList=function(e){if(0!==this._linkMatchers.length){for(var t=this._linkMatchers.length-1;0<=t;t--)if(e.priority<=this._linkMatchers[t].priority)return void this._linkMatchers.splice(t+1,0,e);this._linkMatchers.splice(0,0,e)}else this._linkMatchers.push(e)},a.prototype.deregisterLinkMatcher=function(e){for(var t=0;t<this._linkMatchers.length;t++)if(this._linkMatchers[t].id===e)return this._linkMatchers.splice(t,1),!0;return!1},a.prototype._doLinkifyRow=function(n,s,o){for(var a,l=this,h=new RegExp(o.regex.source,o.regex.flags+"g"),c=-1,e=function(){var t=a["number"!=typeof o.matchIndex?0:o.matchIndex];if(!t){if(u._terminal.debug)throw console.log({match:a,matcher:o}),new Error("match found without corresponding matchIndex");return"break"}if(c=s.indexOf(t,c+1),h.lastIndex=c+t.length,c<0)return"break";var i=u._terminal.buffer.stringIndexToBufferIndex(n,c);if(i[0]<0)return"break";var r,e=u._terminal.buffer.lines.get(i[0]).getFg(i[1]);e&&(r=e>>9&511),o.validationCallback?o.validationCallback(t,function(e){l._rowsTimeoutId||e&&l._addLink(i[1],i[0]-l._terminal.buffer.ydisp,t,o,r)}):u._addLink(i[1],i[0]-u._terminal.buffer.ydisp,t,o,r)},u=this;null!==(a=h.exec(s))&&"break"!==e(););},a.prototype._addLink=function(e,t,i,r,n){var s=this,o=f.getStringCellWidth(i),a=e%this._terminal.cols,l=t+Math.floor(e/this._terminal.cols),h=(a+o)%this._terminal.cols,c=l+Math.floor((a+o)/this._terminal.cols);0===h&&(h=this._terminal.cols,c--),this._mouseZoneManager.add(new u.MouseZone(1+a,l+1,h+1,c+1,function(e){if(r.handler)return r.handler(e,i);window.open(i,"_blank")},function(){s._onLinkHover.fire(s._createLinkHoverEvent(a,l,h,c,n)),s._terminal.element.classList.add("xterm-cursor-pointer")},function(e){s._onLinkTooltip.fire(s._createLinkHoverEvent(a,l,h,c,n)),r.hoverTooltipCallback&&r.hoverTooltipCallback(e,i)},function(){s._onLinkLeave.fire(s._createLinkHoverEvent(a,l,h,c,n)),s._terminal.element.classList.remove("xterm-cursor-pointer"),r.hoverLeaveCallback&&r.hoverLeaveCallback()},function(e){return!r.willLinkActivate||r.willLinkActivate(e,i)}))},a.prototype._createLinkHoverEvent=function(e,t,i,r,n){return{x1:e,y1:t,x2:i,y2:r,cols:this._terminal.cols,fg:n}},a.TIME_BEFORE_LINKIFY=200,a.OVERSCAN_CHAR_LIMIT=2e3,a);function a(e){this._terminal=e,this._linkMatchers=[],this._nextLinkMatcherId=0,this._onLinkHover=new r.EventEmitter2,this._onLinkLeave=new r.EventEmitter2,this._onLinkTooltip=new r.EventEmitter2,this._rowsToLinkify={start:null,end:null}}i.Linkifier=n},{"./CharWidth":5,"./MouseZoneManager":12,"./common/EventEmitter2":23}],11:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(a.getCoordsRelativeToElement=function(e,t){var i=t.getBoundingClientRect();return[e.clientX-i.left,e.clientY-i.top]},a.prototype.getCoords=function(e,t,i,r,n,s){if(!i.width||!i.height)return null;var o=a.getCoordsRelativeToElement(e,t);return o?(o[0]=Math.ceil((o[0]+(s?this._renderCoordinator.dimensions.actualCellWidth/2:0))/this._renderCoordinator.dimensions.actualCellWidth),o[1]=Math.ceil(o[1]/this._renderCoordinator.dimensions.actualCellHeight),o[0]=Math.min(Math.max(o[0],1),r+(s?1:0)),o[1]=Math.min(Math.max(o[1],1),n),o):null},a.prototype.getRawByteCoords=function(e,t,i,r,n){var s=this.getCoords(e,t,i,r,n),o=s[0],a=s[1];return{x:o+=32,y:a+=32}},a);function a(e){this._renderCoordinator=e}i.MouseHelper=r},{}],12:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./common/Lifecycle"),a=e("./ui/Lifecycle"),l=(s=o.Disposable,n(h,s),h.prototype.dispose=function(){s.prototype.dispose.call(this),this._deactivate()},h.prototype.add=function(e){this._zones.push(e),1===this._zones.length&&this._activate()},h.prototype.clearAll=function(e,t){if(0!==this._zones.length){t||(e=0,t=this._terminal.rows-1);for(var i=0;i<this._zones.length;i++){var r=this._zones[i];(r.y1>e&&r.y1<=t+1||r.y2>e&&r.y2<=t+1||r.y1<e&&r.y2>t+1)&&(this._currentZone&&this._currentZone===r&&(this._currentZone.leaveCallback(),this._currentZone=null),this._zones.splice(i--,1))}0===this._zones.length&&this._deactivate()}},h.prototype._activate=function(){this._areZonesActive||(this._areZonesActive=!0,this._terminal.element.addEventListener("mousemove",this._mouseMoveListener),this._terminal.element.addEventListener("mouseleave",this._mouseLeaveListener),this._terminal.element.addEventListener("click",this._clickListener))},h.prototype._deactivate=function(){this._areZonesActive&&(this._areZonesActive=!1,this._terminal.element.removeEventListener("mousemove",this._mouseMoveListener),this._terminal.element.removeEventListener("mouseleave",this._mouseLeaveListener),this._terminal.element.removeEventListener("click",this._clickListener))},h.prototype._onMouseMove=function(e){this._lastHoverCoords[0]===e.pageX&&this._lastHoverCoords[1]===e.pageY||(this._onHover(e),this._lastHoverCoords=[e.pageX,e.pageY])},h.prototype._onHover=function(e){var t=this,i=this._findZoneEventAt(e);i!==this._currentZone&&(this._currentZone&&(this._currentZone.leaveCallback(),this._currentZone=null,this._tooltipTimeout&&clearTimeout(this._tooltipTimeout)),i&&((this._currentZone=i).hoverCallback&&i.hoverCallback(e),this._tooltipTimeout=setTimeout(function(){return t._onTooltip(e)},500)))},h.prototype._onTooltip=function(e){this._tooltipTimeout=null;var t=this._findZoneEventAt(e);t&&t.tooltipCallback&&t.tooltipCallback(e)},h.prototype._onMouseDown=function(e){if(this._initialSelectionLength=this._terminal.getSelection().length,this._areZonesActive){var t=this._findZoneEventAt(e);t&&t.willLinkActivate(e)&&(e.preventDefault(),e.stopImmediatePropagation())}},h.prototype._onMouseLeave=function(e){this._currentZone&&(this._currentZone.leaveCallback(),this._currentZone=null,this._tooltipTimeout&&clearTimeout(this._tooltipTimeout))},h.prototype._onClick=function(e){var t=this._findZoneEventAt(e),i=this._terminal.getSelection().length;t&&i===this._initialSelectionLength&&(t.clickCallback(e),e.preventDefault(),e.stopImmediatePropagation())},h.prototype._findZoneEventAt=function(e){var t=this._terminal.mouseHelper.getCoords(e,this._terminal.screenElement,this._terminal.charMeasure,this._terminal.cols,this._terminal.rows);if(!t)return null;for(var i=t[0],r=t[1],n=0;n<this._zones.length;n++){var s=this._zones[n];if(s.y1===s.y2){if(r===s.y1&&i>=s.x1&&i<s.x2)return s}else if(r===s.y1&&i>=s.x1||r===s.y2&&i<s.x2||r>s.y1&&r<s.y2)return s}return null},h);function h(e){var t=s.call(this)||this;return t._terminal=e,t._zones=[],t._areZonesActive=!1,t._tooltipTimeout=null,t._currentZone=null,t._lastHoverCoords=[null,null],t.register(a.addDisposableDomListener(t._terminal.element,"mousedown",function(e){return t._onMouseDown(e)})),t._mouseMoveListener=function(e){return t._onMouseMove(e)},t._mouseLeaveListener=function(e){return t._onMouseLeave(e)},t._clickListener=function(e){return t._onClick(e)},t}i.MouseZoneManager=l;function c(e,t,i,r,n,s,o,a,l){this.x1=e,this.y1=t,this.x2=i,this.y2=r,this.clickCallback=n,this.hoverCallback=s,this.tooltipCallback=o,this.leaveCallback=a,this.willLinkActivate=l}i.MouseZone=c},{"./common/Lifecycle":24,"./ui/Lifecycle":59}],13:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./MouseHelper"),a=e("./common/Platform"),n=e("./SelectionModel"),s=e("./handlers/AltClickHandler"),o=e("./core/buffer/BufferLine"),l=e("./common/EventEmitter2"),h=String.fromCharCode(160),c=new RegExp(h,"g"),u=(Object.defineProperty(f.prototype,"onLinuxMouseSelection",{get:function(){return this._onLinuxMouseSelection.event},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"onRedrawRequest",{get:function(){return this._onRedrawRequest.event},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"onSelectionChange",{get:function(){return this._onSelectionChange.event},enumerable:!0,configurable:!0}),f.prototype.dispose=function(){this._removeMouseDownListeners()},Object.defineProperty(f.prototype,"_buffer",{get:function(){return this._terminal.buffers.active},enumerable:!0,configurable:!0}),f.prototype._initListeners=function(){var t=this;this._mouseMoveListener=function(e){return t._onMouseMove(e)},this._mouseUpListener=function(e){return t._onMouseUp(e)},this.initBuffersListeners()},f.prototype.initBuffersListeners=function(){var t=this;this._trimListener=this._terminal.buffer.lines.onTrim(function(e){return t._onTrim(e)}),this._terminal.buffers.onBufferActivate(function(e){return t._onBufferActivate(e)})},f.prototype.disable=function(){this.clearSelection(),this._enabled=!1},f.prototype.enable=function(){this._enabled=!0},Object.defineProperty(f.prototype,"selectionStart",{get:function(){return this._model.finalSelectionStart},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"selectionEnd",{get:function(){return this._model.finalSelectionEnd},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"hasSelection",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;return!(!e||!t||e[0]===t[0]&&e[1]===t[1])},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"selectionText",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;if(!e||!t)return"";var i=[];if(3===this._activeSelectionMode){if(e[0]===t[0])return"";for(var r=e[1];r<=t[1];r++){var n=this._buffer.translateBufferLineToString(r,!0,e[0],t[0]);i.push(n)}}else{var s=e[1]===t[1]?t[0]:void 0;for(i.push(this._buffer.translateBufferLineToString(e[1],!0,e[0],s)),r=e[1]+1;r<=t[1]-1;r++){var o=this._buffer.lines.get(r);n=this._buffer.translateBufferLineToString(r,!0),o.isWrapped?i[i.length-1]+=n:i.push(n)}e[1]!==t[1]&&(o=this._buffer.lines.get(t[1]),n=this._buffer.translateBufferLineToString(t[1],!0,0,t[0]),o.isWrapped?i[i.length-1]+=n:i.push(n))}return i.map(function(e){return e.replace(c," ")}).join(a.isMSWindows?"\r\n":"\n")},enumerable:!0,configurable:!0}),f.prototype.clearSelection=function(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()},f.prototype.refresh=function(e){var t=this;this._refreshAnimationFrame||(this._refreshAnimationFrame=window.requestAnimationFrame(function(){return t._refresh()})),a.isLinux&&e&&this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText)},f.prototype._refresh=function(){this._refreshAnimationFrame=null,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:3===this._activeSelectionMode})},f.prototype.isClickInSelection=function(e){var t=this._getMouseBufferCoords(e),i=this._model.finalSelectionStart,r=this._model.finalSelectionEnd;return!(!i||!r)&&this._areCoordsInSelection(t,i,r)},f.prototype._areCoordsInSelection=function(e,t,i){return e[1]>t[1]&&e[1]<i[1]||t[1]===i[1]&&e[1]===t[1]&&e[0]>=t[0]&&e[0]<i[0]||t[1]<i[1]&&e[1]===i[1]&&e[0]<i[0]||t[1]<i[1]&&e[1]===t[1]&&e[0]>=t[0]},f.prototype.selectWordAtCursor=function(e){var t=this._getMouseBufferCoords(e);t&&(this._selectWordAt(t,!1),this._model.selectionEnd=null,this.refresh(!0))},f.prototype.selectAll=function(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()},f.prototype.selectLines=function(e,t){this._model.clearSelection(),e=Math.max(e,0),t=Math.min(t,this._terminal.buffer.lines.length-1),this._model.selectionStart=[0,e],this._model.selectionEnd=[this._terminal.cols,t],this.refresh(),this._onSelectionChange.fire()},f.prototype._onTrim=function(e){this._model.onTrim(e)&&this.refresh()},f.prototype._getMouseBufferCoords=function(e){var t=this._terminal.mouseHelper.getCoords(e,this._terminal.screenElement,this._charMeasure,this._terminal.cols,this._terminal.rows,!0);return t?(t[0]--,t[1]--,t[1]+=this._terminal.buffer.ydisp,t):null},f.prototype._getMouseEventScrollAmount=function(e){var t=r.MouseHelper.getCoordsRelativeToElement(e,this._terminal.screenElement)[1],i=this._terminal.rows*Math.ceil(this._charMeasure.height*this._terminal.options.lineHeight);return 0<=t&&t<=i?0:(i<t&&(t-=i),t=Math.min(Math.max(t,-50),50),(t/=50)/Math.abs(t)+Math.round(14*t))},f.prototype.shouldForceSelection=function(e){return a.isMac?e.altKey&&this._terminal.options.macOptionClickForcesSelection:e.shiftKey},f.prototype.onMouseDown=function(e){if(this._mouseDownTimeStamp=e.timeStamp,(2!==e.button||!this.hasSelection)&&0===e.button){if(!this._enabled){if(!this.shouldForceSelection(e))return;e.stopPropagation()}e.preventDefault(),this._dragScrollAmount=0,this._enabled&&e.shiftKey?this._onIncrementalClick(e):1===e.detail?this._onSingleClick(e):2===e.detail?this._onDoubleClick(e):3===e.detail&&this._onTripleClick(e),this._addMouseDownListeners(),this.refresh(!0)}},f.prototype._addMouseDownListeners=function(){var e=this;this._terminal.element.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._terminal.element.ownerDocument.addEventListener("mouseup",this._mouseUpListener),this._dragScrollIntervalTimer=setInterval(function(){return e._dragScroll()},50)},f.prototype._removeMouseDownListeners=function(){this._terminal.element.ownerDocument&&(this._terminal.element.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._terminal.element.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=null},f.prototype._onIncrementalClick=function(e){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(e))},f.prototype._onSingleClick=function(e){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(e)?3:0,this._model.selectionStart=this._getMouseBufferCoords(e),this._model.selectionStart){this._model.selectionEnd=null;var t=this._buffer.lines.get(this._model.selectionStart[1]);t&&(t.length>=this._model.selectionStart[0]||0===t.hasWidth(this._model.selectionStart[0])&&this._model.selectionStart[0]++)}},f.prototype._onDoubleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=1,this._selectWordAt(t,!0))},f.prototype._onTripleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=2,this._selectLineAt(t[1]))},f.prototype.shouldColumnSelect=function(e){return e.altKey&&!(a.isMac&&this._terminal.options.macOptionClickForcesSelection)},f.prototype._onMouseMove=function(e){e.stopImmediatePropagation();var t=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;this._model.selectionEnd=this._getMouseBufferCoords(e),this._model.selectionEnd?(2===this._activeSelectionMode?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._terminal.cols:1===this._activeSelectionMode&&this._selectToWordAt(this._model.selectionEnd),this._dragScrollAmount=this._getMouseEventScrollAmount(e),3!==this._activeSelectionMode&&(0<this._dragScrollAmount?this._model.selectionEnd[0]=this._terminal.cols:this._dragScrollAmount<0&&(this._model.selectionEnd[0]=0)),this._model.selectionEnd[1]<this._buffer.lines.length&&0===this._buffer.lines.get(this._model.selectionEnd[1]).hasWidth(this._model.selectionEnd[0])&&this._model.selectionEnd[0]++,t&&t[0]===this._model.selectionEnd[0]&&t[1]===this._model.selectionEnd[1]||this.refresh(!0)):this.refresh(!0)},f.prototype._dragScroll=function(){this._dragScrollAmount&&(this._terminal.scrollLines(this._dragScrollAmount,!1),0<this._dragScrollAmount?(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=this._terminal.cols),this._model.selectionEnd[1]=Math.min(this._terminal.buffer.ydisp+this._terminal.rows,this._terminal.buffer.lines.length-1)):(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=0),this._model.selectionEnd[1]=this._terminal.buffer.ydisp),this.refresh())},f.prototype._onMouseUp=function(e){var t=e.timeStamp-this._mouseDownTimeStamp;this._removeMouseDownListeners(),this.selectionText.length<=1&&t<500?new s.AltClickHandler(e,this._terminal).move():this.hasSelection&&this._onSelectionChange.fire()},f.prototype._onBufferActivate=function(e){var t=this;this.clearSelection(),this._trimListener&&this._trimListener.dispose(),this._trimListener=e.activeBuffer.lines.onTrim(function(e){return t._onTrim(e)})},f.prototype._convertViewportColToCharacterIndex=function(e,t){for(var i=t[0],r=0;t[0]>=r;r++){var n=e.loadCell(r,this._workCell).getChars().length;0===this._workCell.getWidth()?i--:1<n&&t[0]!==r&&(i+=n-1)}return i},f.prototype.setSelection=function(e,t,i){this._model.clearSelection(),this._removeMouseDownListeners(),this._model.selectionStart=[e,t],this._model.selectionStartLength=i,this.refresh()},f.prototype._getWordAt=function(e,t,i,r){if(void 0===i&&(i=!0),void 0===r&&(r=!0),e[0]>=this._terminal.cols)return null;var n=this._buffer.lines.get(e[1]);if(!n)return null;var s=this._buffer.translateBufferLineToString(e[1],!1),o=this._convertViewportColToCharacterIndex(n,e),a=o,l=e[0]-o,h=0,c=0,u=0,f=0;if(" "===s.charAt(o)){for(;0<o&&" "===s.charAt(o-1);)o--;for(;a<s.length&&" "===s.charAt(a+1);)a++}else{var _=e[0],d=e[0];0===n.getWidth(_)&&(h++,_--),2===n.getWidth(d)&&(c++,d++);var p=n.getString(d).length;for(1<p&&(f+=p-1,a+=p-1);0<_&&0<o&&!this._isCharWordSeparator(n.loadCell(_-1,this._workCell));){n.loadCell(_-1,this._workCell);var m=this._workCell.getChars().length;0===this._workCell.getWidth()?(h++,_--):1<m&&(u+=m-1,o-=m-1),o--,_--}for(;d<n.length&&a+1<s.length&&!this._isCharWordSeparator(n.loadCell(d+1,this._workCell));){n.loadCell(d+1,this._workCell);var y=this._workCell.getChars().length;2===this._workCell.getWidth()?(c++,d++):1<y&&(f+=y-1,a+=y-1),a++,d++}}a++;var g=o+l-h+u,C=Math.min(this._terminal.cols,a-o+h+c-u-f);if(!t&&""===s.slice(o,a).trim())return null;if(i&&0===g&&32!==n.getCodePoint(0)){var v=this._buffer.lines.get(e[1]-1);if(v&&n.isWrapped&&32!==v.getCodePoint(this._terminal.cols-1)){var b=this._getWordAt([this._terminal.cols-1,e[1]-1],!1,!0,!1);if(b){var w=this._terminal.cols-b.start;g-=w,C+=w}}}if(r&&g+C===this._terminal.cols&&32!==n.getCodePoint(this._terminal.cols-1)){var S=this._buffer.lines.get(e[1]+1);if(S&&S.isWrapped&&32!==S.getCodePoint(0)){var E=this._getWordAt([0,e[1]+1],!1,!1,!0);E&&(C+=E.length)}}return{start:g,length:C}},f.prototype._selectWordAt=function(e,t){var i=this._getWordAt(e,t);if(i){for(;i.start<0;)i.start+=this._terminal.cols,e[1]--;this._model.selectionStart=[i.start,e[1]],this._model.selectionStartLength=i.length}},f.prototype._selectToWordAt=function(e){var t=this._getWordAt(e,!0);if(t){for(var i=e[1];t.start<0;)t.start+=this._terminal.cols,i--;if(!this._model.areSelectionValuesReversed())for(;t.start+t.length>this._terminal.cols;)t.length-=this._terminal.cols,i++;this._model.selectionEnd=[this._model.areSelectionValuesReversed()?t.start:t.start+t.length,i]}},f.prototype._isCharWordSeparator=function(e){return 0!==e.getWidth()&&0<=" ()[]{}'\"".indexOf(e.getChars())},f.prototype._selectLineAt=function(e){var t=this._buffer.getWrappedRangeForLine(e);this._model.selectionStart=[0,t.first],this._model.selectionEnd=[this._terminal.cols,t.last],this._model.selectionStartLength=0},f);function f(e,t){this._terminal=e,this._charMeasure=t,this._enabled=!0,this._workCell=new o.CellData,this._onLinuxMouseSelection=new l.EventEmitter2,this._onRedrawRequest=new l.EventEmitter2,this._onSelectionChange=new l.EventEmitter2,this._initListeners(),this.enable(),this._model=new n.SelectionModel(e),this._activeSelectionMode=0}i.SelectionManager=u},{"./MouseHelper":11,"./SelectionModel":14,"./common/EventEmitter2":23,"./common/Platform":25,"./core/buffer/BufferLine":29,"./handlers/AltClickHandler":35}],14:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.clearSelection=function(){this.selectionStart=null,this.selectionEnd=null,this.isSelectAllActive=!1,this.selectionStartLength=0},Object.defineProperty(n.prototype,"finalSelectionStart",{get:function(){return this.isSelectAllActive?[0,0]:this.selectionEnd&&this.selectionStart&&this.areSelectionValuesReversed()?this.selectionEnd:this.selectionStart},enumerable:!0,configurable:!0}),Object.defineProperty(n.prototype,"finalSelectionEnd",{get:function(){if(this.isSelectAllActive)return[this._terminal.cols,this._terminal.buffer.ybase+this._terminal.rows-1];if(!this.selectionStart)return null;if(this.selectionEnd&&!this.areSelectionValuesReversed())return this.selectionStartLength&&this.selectionEnd[1]===this.selectionStart[1]?[Math.max(this.selectionStart[0]+this.selectionStartLength,this.selectionEnd[0]),this.selectionEnd[1]]:this.selectionEnd;var e=this.selectionStart[0]+this.selectionStartLength;return e>this._terminal.cols?[e%this._terminal.cols,this.selectionStart[1]+Math.floor(e/this._terminal.cols)]:[e,this.selectionStart[1]]},enumerable:!0,configurable:!0}),n.prototype.areSelectionValuesReversed=function(){var e=this.selectionStart,t=this.selectionEnd;return!(!e||!t)&&(e[1]>t[1]||e[1]===t[1]&&e[0]>t[0])},n.prototype.onTrim=function(e){return this.selectionStart&&(this.selectionStart[1]-=e),this.selectionEnd&&(this.selectionEnd[1]-=e),this.selectionEnd&&this.selectionEnd[1]<0?(this.clearSelection(),!0):(this.selectionStart&&this.selectionStart[1]<0&&(this.selectionStart[1]=0),!1)},n);function n(e){this._terminal=e,this.clearSelection()}i.SelectionModel=r},{}],15:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0}),i.DEFAULT_BELL_SOUND="data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==";var r=(Object.defineProperty(n,"audioContext",{get:function(){if(!n._audioContext){var e=window.AudioContext||window.webkitAudioContext;if(!e)return console.warn("Web Audio API is not supported by this browser. Consider upgrading to the latest version"),null;n._audioContext=new e}return n._audioContext},enumerable:!0,configurable:!0}),n.prototype.playBellSound=function(){var t=n.audioContext;if(t){var i=t.createBufferSource();t.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)),function(e){i.buffer=e,i.connect(t.destination),i.start(0)})}},n.prototype._base64ToArrayBuffer=function(e){for(var t=window.atob(e),i=t.length,r=new Uint8Array(i),n=0;n<i;n++)r[n]=t.charCodeAt(n);return r.buffer},n.prototype._removeMimeType=function(e){return e.split(",")[1]},n);function n(e){this._terminal=e}i.SoundManager=r},{}],16:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0}),i.blankLine="Blank line",i.promptLabel="Terminal input",i.tooMuchOutput="Too much output to announce, navigate to rows manually to read"},{}],17:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./BufferSet"),a=e("./Buffer"),l=e("./CompositionHelper"),h=e("./common/EventEmitter"),c=e("./Viewport"),u=e("./Clipboard"),f=e("./common/data/EscapeSequences"),_=e("./InputHandler"),d=e("./renderer/Renderer"),p=e("./Linkifier"),m=e("./SelectionManager"),y=e("./CharMeasure"),g=e("./common/Platform"),C=e("./ui/Lifecycle"),v=e("./Strings"),b=e("./MouseHelper"),w=e("./SoundManager"),S=e("./MouseZoneManager"),E=e("./AccessibilityManager"),L=e("./renderer/atlas/CharAtlasCache"),A=e("./renderer/dom/DomRenderer"),x=e("./core/input/Keyboard"),T=e("./common/Clone"),M=e("./common/EventEmitter2"),R=e("./core/buffer/BufferLine"),k=e("./WindowsMode"),D=e("./ui/ColorManager"),H=e("./renderer/RenderCoordinator"),O="undefined"!=typeof window?window.document:null,B=["cols","rows"],P={cols:80,rows:24,convertEol:!1,termName:"xterm",cursorBlink:!1,cursorStyle:"block",bellSound:w.DEFAULT_BELL_SOUND,bellStyle:"none",drawBoldTextInBrightColors:!0,enableBold:!0,experimentalCharAtlas:"static",fontFamily:"courier-new, courier, monospace",fontSize:15,fontWeight:"normal",fontWeightBold:"bold",lineHeight:1,letterSpacing:0,scrollback:1e3,screenKeys:!1,screenReaderMode:!1,debug:!1,macOptionIsMeta:!1,macOptionClickForcesSelection:!1,cancelEvents:!1,disableStdin:!1,useFlowControl:!1,allowTransparency:!1,tabStopWidth:8,theme:void 0,rightClickSelectsWord:g.isMac,rendererType:"canvas",windowsMode:!1},F=(s=h.EventEmitter,n(I,s),Object.defineProperty(I.prototype,"onCursorMove",{get:function(){return this._onCursorMove.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onData",{get:function(){return this._onData.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onKey",{get:function(){return this._onKey.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onLineFeed",{get:function(){return this._onLineFeed.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onRender",{get:function(){return this._onRender.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onResize",{get:function(){return this._onResize.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onScroll",{get:function(){return this._onScroll.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onSelectionChange",{get:function(){return this._onSelectionChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(I.prototype,"onTitleChange",{get:function(){return this._onTitleChange.event},enumerable:!0,configurable:!0}),I.prototype.dispose=function(){s.prototype.dispose.call(this),this._windowsMode&&(this._windowsMode.dispose(),this._windowsMode=void 0),this._customKeyEventHandler=null,L.removeTerminalFromCache(this),this.handler=function(){},this.write=function(){},this.element&&this.element.parentNode&&this.element.parentNode.removeChild(this.element)},I.prototype.destroy=function(){this.dispose()},I.prototype._setup=function(){var t=this;Object.keys(P).forEach(function(e){null!==t.options[e]&&void 0!==t.options[e]||(t.options[e]=P[e])}),this._parent=O?O.body:null,this.cols=Math.max(this.options.cols,2),this.rows=Math.max(this.options.rows,1),this.options.handler&&this.onData(this.options.handler),this.cursorState=0,this.cursorHidden=!1,this._customKeyEventHandler=null,this.applicationKeypad=!1,this.applicationCursor=!1,this.originMode=!1,this.insertMode=!1,this.wraparoundMode=!0,this.bracketedPasteMode=!1,this.charset=null,this.gcharset=null,this.glevel=0,this.charsets=[null],this.curAttrData=R.DEFAULT_ATTR_DATA.clone(),this._eraseAttrData=R.DEFAULT_ATTR_DATA.clone(),this.params=[],this.currentParam=0,this.writeBuffer=[],this.writeBufferUtf8=[],this._writeInProgress=!1,this._xoffSentToCatchUp=!1,this._userScrolling=!1,this._inputHandler=new _.InputHandler(this),this._inputHandler.onCursorMove(function(){return t._onCursorMove.fire()}),this._inputHandler.onLineFeed(function(){return t._onLineFeed.fire()}),this._inputHandler.onData(function(e){return t._onData.fire(e)}),this.register(this._inputHandler),this.selectionManager=this.selectionManager||null,this.linkifier=this.linkifier||new p.Linkifier(this),this._mouseZoneManager=this._mouseZoneManager||null,this.soundManager=this.soundManager||new w.SoundManager(this),this.buffers=new o.BufferSet(this),this.selectionManager&&(this.selectionManager.clearSelection(),this.selectionManager.initBuffersListeners()),this.options.windowsMode&&(this._windowsMode=k.applyWindowsMode(this))},Object.defineProperty(I.prototype,"buffer",{get:function(){return this.buffers.active},enumerable:!0,configurable:!0}),I.prototype.eraseAttrData=function(){return this._eraseAttrData.bg&=-67108864,this._eraseAttrData.bg|=67108863&this.curAttrData.bg,this._eraseAttrData},I.prototype.focus=function(){this.textarea&&this.textarea.focus({preventScroll:!0})},Object.defineProperty(I.prototype,"isFocused",{get:function(){return O.activeElement===this.textarea&&O.hasFocus()},enumerable:!0,configurable:!0}),I.prototype.getOption=function(e){if(!(e in P))throw new Error('No option with key "'+e+'"');return this.options[e]},I.prototype.setOption=function(e,t){if(!(e in P))throw new Error('No option with key "'+e+'"');if(-1!==B.indexOf(e)&&console.error('Option "'+e+'" can only be set in the constructor'),this.options[e]!==t){switch(e){case"bellStyle":t=t||"none";break;case"cursorStyle":t=t||"block";break;case"fontWeight":t=t||"normal";break;case"fontWeightBold":t=t||"bold";break;case"lineHeight":if(t<1)return void console.warn(e+" cannot be less than 1, value: "+t);case"rendererType":t=t||"canvas";break;case"tabStopWidth":if(t<1)return void console.warn(e+" cannot be less than 1, value: "+t);break;case"theme":this._setTheme(t);break;case"scrollback":if((t=Math.min(t,a.MAX_BUFFER_SIZE))<0)return void console.warn(e+" cannot be less than 0, value: "+t);if(this.options[e]!==t){var i=this.rows+t;if(this.buffer.lines.length>i){var r=this.buffer.lines.length-i,n=this.buffer.ydisp-r<0;this.buffer.lines.trimStart(r),this.buffer.ybase=Math.max(this.buffer.ybase-r,0),this.buffer.ydisp=Math.max(this.buffer.ydisp-r,0),n&&this.refresh(0,this.rows-1)}}}switch(this.options[e]=t,e){case"fontFamily":case"fontSize":this._renderCoordinator&&(this._renderCoordinator.clear(),this.charMeasure.measure(this.options));break;case"drawBoldTextInBrightColors":case"experimentalCharAtlas":case"enableBold":case"letterSpacing":case"lineHeight":case"fontWeight":case"fontWeightBold":this._renderCoordinator&&(this._renderCoordinator.clear(),this._renderCoordinator.onResize(this.cols,this.rows),this.refresh(0,this.rows-1));break;case"rendererType":this._renderCoordinator&&this._renderCoordinator.setRenderer(this._createRenderer());break;case"scrollback":this.buffers.resize(this.cols,this.rows),this.viewport&&this.viewport.syncScrollArea();break;case"screenReaderMode":t?!this._accessibilityManager&&this._renderCoordinator&&(this._accessibilityManager=new E.AccessibilityManager(this,this._renderCoordinator.dimensions)):this._accessibilityManager&&(this._accessibilityManager.dispose(),this._accessibilityManager=null);break;case"tabStopWidth":this.buffers.setupTabStops();break;case"windowsMode":t?this._windowsMode||(this._windowsMode=k.applyWindowsMode(this)):this._windowsMode&&(this._windowsMode.dispose(),this._windowsMode=void 0)}this._renderCoordinator&&this._renderCoordinator.onOptionsChanged()}},I.prototype._onTextAreaFocus=function(e){this.sendFocus&&this.handler(f.C0.ESC+"[I"),this.updateCursorStyle(e),this.element.classList.add("focus"),this.showCursor(),this.emit("focus")},I.prototype.blur=function(){return this.textarea.blur()},I.prototype._onTextAreaBlur=function(){this.textarea.value="",this.refresh(this.buffer.y,this.buffer.y),this.sendFocus&&this.handler(f.C0.ESC+"[O"),this.element.classList.remove("focus"),this.emit("blur")},I.prototype._initGlobal=function(){var t=this;function e(e){return u.pasteHandler(e,t)}this._bindKeys(),this.register(C.addDisposableDomListener(this.element,"copy",function(e){t.hasSelection()&&u.copyHandler(e,t,t.selectionManager)})),this.register(C.addDisposableDomListener(this.textarea,"paste",e)),this.register(C.addDisposableDomListener(this.element,"paste",e)),g.isFirefox?this.register(C.addDisposableDomListener(this.element,"mousedown",function(e){2===e.button&&u.rightClickHandler(e,t,t.selectionManager,t.options.rightClickSelectsWord)})):this.register(C.addDisposableDomListener(this.element,"contextmenu",function(e){u.rightClickHandler(e,t,t.selectionManager,t.options.rightClickSelectsWord)})),g.isLinux&&this.register(C.addDisposableDomListener(this.element,"auxclick",function(e){1===e.button&&u.moveTextAreaUnderMouseCursor(e,t)}))},I.prototype._bindKeys=function(){var t=this,i=this;this.register(C.addDisposableDomListener(this.element,"keydown",function(e){O.activeElement===this&&i._keyDown(e)},!0)),this.register(C.addDisposableDomListener(this.element,"keypress",function(e){O.activeElement===this&&i._keyPress(e)},!0)),this.register(C.addDisposableDomListener(this.element,"keyup",function(e){!function(e){return 16===e.keyCode||17===e.keyCode||18===e.keyCode}(e)&&t.focus(),i._keyUp(e)},!0)),this.register(C.addDisposableDomListener(this.textarea,"keydown",function(e){return t._keyDown(e)},!0)),this.register(C.addDisposableDomListener(this.textarea,"keypress",function(e){return t._keyPress(e)},!0)),this.register(C.addDisposableDomListener(this.textarea,"compositionstart",function(){return t._compositionHelper.compositionstart()})),this.register(C.addDisposableDomListener(this.textarea,"compositionupdate",function(e){return t._compositionHelper.compositionupdate(e)})),this.register(C.addDisposableDomListener(this.textarea,"compositionend",function(){return t._compositionHelper.compositionend()})),this.register(this.onRender(function(){return t._compositionHelper.updateCompositionElements()})),this.register(this.onRender(function(e){return t._queueLinkification(e.start,e.end)}))},I.prototype.open=function(e){var t=this;if(this._parent=e||this._parent,!this._parent)throw new Error("Terminal requires a parent element.");this._context=this._parent.ownerDocument.defaultView,this._document=this._parent.ownerDocument,this.element=this._document.createElement("div"),this.element.dir="ltr",this.element.classList.add("terminal"),this.element.classList.add("xterm"),this.element.setAttribute("tabindex","0"),this._parent.appendChild(this.element);var i=O.createDocumentFragment();this._viewportElement=O.createElement("div"),this._viewportElement.classList.add("xterm-viewport"),i.appendChild(this._viewportElement),this._viewportScrollArea=O.createElement("div"),this._viewportScrollArea.classList.add("xterm-scroll-area"),this._viewportElement.appendChild(this._viewportScrollArea),this.screenElement=O.createElement("div"),this.screenElement.classList.add("xterm-screen"),this._helperContainer=O.createElement("div"),this._helperContainer.classList.add("xterm-helpers"),this.screenElement.appendChild(this._helperContainer),i.appendChild(this.screenElement),this._mouseZoneManager=new S.MouseZoneManager(this),this.register(this._mouseZoneManager),this.register(this.onScroll(function(){return t._mouseZoneManager.clearAll()})),this.linkifier.attachToDom(this._mouseZoneManager),this.textarea=O.createElement("textarea"),this.textarea.classList.add("xterm-helper-textarea"),this.textarea.setAttribute("aria-label",v.promptLabel),this.textarea.setAttribute("aria-multiline","false"),this.textarea.setAttribute("autocorrect","off"),this.textarea.setAttribute("autocapitalize","off"),this.textarea.setAttribute("spellcheck","false"),this.textarea.tabIndex=0,this.register(C.addDisposableDomListener(this.textarea,"focus",function(e){return t._onTextAreaFocus(e)})),this.register(C.addDisposableDomListener(this.textarea,"blur",function(){return t._onTextAreaBlur()})),this._helperContainer.appendChild(this.textarea),this._compositionView=O.createElement("div"),this._compositionView.classList.add("composition-view"),this._compositionHelper=new l.CompositionHelper(this.textarea,this._compositionView,this),this._helperContainer.appendChild(this._compositionView),this.charMeasure=new y.CharMeasure(O,this._helperContainer),this.element.appendChild(i),this._theme=this.options.theme,this._colorManager=new D.ColorManager(O,this.options.allowTransparency),this._colorManager.setTheme(this._theme);var r=this._createRenderer();this._renderCoordinator=new H.RenderCoordinator(r,this.rows,this.screenElement),this._renderCoordinator.onRender(function(e){return t._onRender.fire(e)}),this.onResize(function(e){return t._renderCoordinator.resize(e.cols,e.rows)}),this.viewport=new c.Viewport(this,this._viewportElement,this._viewportScrollArea,this.charMeasure,this._renderCoordinator.dimensions),this.viewport.onThemeChange(this._colorManager.colors),this.register(this.viewport),this.register(this.onCursorMove(function(){return t._renderCoordinator.onCursorMove()})),this.register(this.onResize(function(){return t._renderCoordinator.onResize(t.cols,t.rows)})),this.register(this.addDisposableListener("blur",function(){return t._renderCoordinator.onBlur()})),this.register(this.addDisposableListener("focus",function(){return t._renderCoordinator.onFocus()})),this.register(this.charMeasure.onCharSizeChanged(function(){return t._renderCoordinator.onCharSizeChanged()})),this.register(this._renderCoordinator.onDimensionsChange(function(){return t.viewport.syncScrollArea()})),this.selectionManager=new m.SelectionManager(this,this.charMeasure),this.register(this.selectionManager.onSelectionChange(function(){return t._onSelectionChange.fire()})),this.register(C.addDisposableDomListener(this.element,"mousedown",function(e){return t.selectionManager.onMouseDown(e)})),this.register(this.selectionManager.onRedrawRequest(function(e){return t._renderCoordinator.onSelectionChanged(e.start,e.end,e.columnSelectMode)})),this.register(this.selectionManager.onLinuxMouseSelection(function(e){t.textarea.value=e,t.textarea.focus(),t.textarea.select()})),this.register(this.onScroll(function(){t.viewport.syncScrollArea(),t.selectionManager.refresh()})),this.register(C.addDisposableDomListener(this._viewportElement,"scroll",function(){return t.selectionManager.refresh()})),this.mouseHelper=new b.MouseHelper(this._renderCoordinator),this.element.classList.toggle("enable-mouse-events",this.mouseEvents),this.mouseEvents?this.selectionManager.disable():this.selectionManager.enable(),this.options.screenReaderMode&&(this._accessibilityManager=new E.AccessibilityManager(this,this._renderCoordinator.dimensions),this._accessibilityManager.register(this._renderCoordinator.onDimensionsChange(function(e){return t._accessibilityManager.setDimensions(e)}))),this.charMeasure.measure(this.options),this.refresh(0,this.rows-1),this._initGlobal(),this.bindMouse()},I.prototype._createRenderer=function(){switch(this.options.rendererType){case"canvas":return new d.Renderer(this,this._colorManager.colors);case"dom":return new A.DomRenderer(this,this._colorManager.colors);default:throw new Error('Unrecognized rendererType "'+this.options.rendererType+'"')}},I.prototype._setTheme=function(e){this._theme=e,this._colorManager&&this._colorManager.setTheme(e),this._renderCoordinator&&this._renderCoordinator.setColors(this._colorManager.colors),this.viewport&&this.viewport.onThemeChange(this._colorManager.colors)},I.prototype.bindMouse=function(){var s=this,e=this.element,o=this,r=32;function a(e){var t,i;if(t=function(e){var t,i,r,n,s;switch(e.overrideType||e.type){case"mousedown":t=null!==e.button&&void 0!==e.button?+e.button:null!==e.which&&void 0!==e.which?e.which-1:null,g.isMSIE&&(t=1===t?0:4===t?1:t);break;case"mouseup":t=3;break;case"DOMMouseScroll":t=e.detail<0?64:65;break;case"wheel":t=e.deltaY<0?64:65}return i=e.shiftKey?4:0,r=e.metaKey?8:0,n=e.ctrlKey?16:0,s=i|r|n,o.vt200Mouse?s&=n:o.normalMouse||(s=0),t=32+(s<<2)+t}(e),i=o.mouseHelper.getRawByteCoords(e,o.screenElement,o.charMeasure,o.cols,o.rows))switch(l(t,i),e.overrideType||e.type){case"mousedown":r=t;break;case"mouseup":r=32}}function n(e,t){if(o.utfMouse){if(2047<t)return void e.push(2047);e.push(t)}else{if(255===t)return void e.push(0);127<t&&(t=127),e.push(t)}}function l(e,t){if(o._vt300Mouse){e&=3,t.x-=32,t.y-=32;var i=f.C0.ESC+"[24";if(0===e)i+="1";else if(1===e)i+="3";else if(2===e)i+="5";else{if(3===e)return;i+="0"}return i+="~["+t.x+","+t.y+"]\r",void o.handler(i)}if(o._decLocator)return e&=3,t.x-=32,t.y-=32,0===e?e=2:1===e?e=4:2===e?e=6:3===e&&(e=3),void o.handler(f.C0.ESC+"["+e+";"+(3===e?4:0)+";"+t.y+";"+t.x+";"+t.page||"0&w");if(o.urxvtMouse)return t.x-=32,t.y-=32,t.x++,t.y++,void o.handler(f.C0.ESC+"["+e+";"+t.x+";"+t.y+"M");if(o.sgrMouse)return t.x-=32,t.y-=32,void o.handler(f.C0.ESC+"[<"+((3==(3&e)?-4&e:e)-32)+";"+t.x+";"+t.y+(3==(3&e)?"m":"M"));var r=[];n(r,e),n(r,t.x),n(r,t.y),o.handler(f.C0.ESC+"[M"+String.fromCharCode.apply(String,r))}this.register(C.addDisposableDomListener(e,"mousedown",function(e){if(e.preventDefault(),s.focus(),s.mouseEvents&&!s.selectionManager.shouldForceSelection(e)){if(a(e),s.vt200Mouse)return e.overrideType="mouseup",a(e),s.cancel(e);var t;s.normalMouse&&(t=function(e){s.normalMouse&&function(e){var t=r,i=o.mouseHelper.getRawByteCoords(e,o.screenElement,o.charMeasure,o.cols,o.rows);i&&l(t+=32,i)}(e)},s._document.addEventListener("mousemove",t));var i=function(e){return s.normalMouse&&!s.x10Mouse&&a(e),t&&(s._document.removeEventListener("mousemove",t),t=null),s._document.removeEventListener("mouseup",i),s.cancel(e)};return s._document.addEventListener("mouseup",i),s.cancel(e)}})),this.register(C.addDisposableDomListener(e,"wheel",function(e){if(s.mouseEvents)s.x10Mouse||s._vt300Mouse||s._decLocator||(a(e),e.preventDefault());else if(!s.buffer.hasScrollback){var t=s.viewport.getLinesScrolled(e);if(0===t)return;for(var i=f.C0.ESC+(s.applicationCursor?"O":"[")+(e.deltaY<0?"A":"B"),r="",n=0;n<Math.abs(t);n++)r+=i;s.handler(r)}})),this.register(C.addDisposableDomListener(e,"wheel",function(e){if(!s.mouseEvents)return s.viewport.onWheel(e),s.cancel(e)})),this.register(C.addDisposableDomListener(e,"touchstart",function(e){if(!s.mouseEvents)return s.viewport.onTouchStart(e),s.cancel(e)})),this.register(C.addDisposableDomListener(e,"touchmove",function(e){if(!s.mouseEvents)return s.viewport.onTouchMove(e),s.cancel(e)}))},I.prototype.refresh=function(e,t){this._renderCoordinator&&this._renderCoordinator.refreshRows(e,t)},I.prototype._queueLinkification=function(e,t){this.linkifier&&this.linkifier.linkifyRows(e,t)},I.prototype.updateCursorStyle=function(e){this.selectionManager&&this.selectionManager.shouldColumnSelect(e)?this.element.classList.add("column-select"):this.element.classList.remove("column-select")},I.prototype.showCursor=function(){this.cursorState||(this.cursorState=1,this.refresh(this.buffer.y,this.buffer.y))},I.prototype.scroll=function(e){var t;void 0===e&&(e=!1),t=this._blankLine;var i=this.eraseAttrData();t&&t.length===this.cols&&t.getFg(0)===i.fg&&t.getBg(0)===i.bg||(t=this.buffer.getBlankLine(i,e),this._blankLine=t),t.isWrapped=e;var r=this.buffer.ybase+this.buffer.scrollTop,n=this.buffer.ybase+this.buffer.scrollBottom;if(0===this.buffer.scrollTop){var s=this.buffer.lines.isFull;n===this.buffer.lines.length-1?s?this.buffer.lines.recycle().copyFrom(t):this.buffer.lines.push(t.clone()):this.buffer.lines.splice(n+1,0,t.clone()),s?this._userScrolling&&(this.buffer.ydisp=Math.max(this.buffer.ydisp-1,0)):(this.buffer.ybase++,this._userScrolling||this.buffer.ydisp++)}else{var o=n-r+1;this.buffer.lines.shiftElements(r+1,o-1,-1),this.buffer.lines.set(n,t.clone())}this._userScrolling||(this.buffer.ydisp=this.buffer.ybase),this.updateRange(this.buffer.scrollTop),this.updateRange(this.buffer.scrollBottom),this._onScroll.fire(this.buffer.ydisp)},I.prototype.scrollLines=function(e,t){if(e<0){if(0===this.buffer.ydisp)return;this._userScrolling=!0}else e+this.buffer.ydisp>=this.buffer.ybase&&(this._userScrolling=!1);var i=this.buffer.ydisp;this.buffer.ydisp=Math.max(Math.min(this.buffer.ydisp+e,this.buffer.ybase),0),i!==this.buffer.ydisp&&(t||this._onScroll.fire(this.buffer.ydisp),this.refresh(0,this.rows-1))},I.prototype.scrollPages=function(e){this.scrollLines(e*(this.rows-1))},I.prototype.scrollToTop=function(){this.scrollLines(-this.buffer.ydisp)},I.prototype.scrollToBottom=function(){this.scrollLines(this.buffer.ybase-this.buffer.ydisp)},I.prototype.scrollToLine=function(e){var t=e-this.buffer.ydisp;0!=t&&this.scrollLines(t)},I.prototype.writeUtf8=function(e){var t=this;this._isDisposed||e&&(this.writeBufferUtf8.push(e),this.options.useFlowControl&&!this._xoffSentToCatchUp&&5<=this.writeBufferUtf8.length&&(this.handler(f.C0.DC3),this._xoffSentToCatchUp=!0),!this._writeInProgress&&0<this.writeBufferUtf8.length&&(this._writeInProgress=!0,setTimeout(function(){t._innerWriteUtf8()})))},I.prototype._innerWriteUtf8=function(e){var t=this;void 0===e&&(e=0),this._isDisposed&&(this.writeBufferUtf8=[]);for(var i=Date.now();this.writeBufferUtf8.length>e;){var r=this.writeBufferUtf8[e];if(e++,this._xoffSentToCatchUp&&this.writeBufferUtf8.length===e&&(this.handler(f.C0.DC1),this._xoffSentToCatchUp=!1),this._refreshStart=this.buffer.y,this._refreshEnd=this.buffer.y,this._inputHandler.parseUtf8(r),this.updateRange(this.buffer.y),this.refresh(this._refreshStart,this._refreshEnd),12<=Date.now()-i)break}this.writeBufferUtf8.length>e?(50<e&&(this.writeBufferUtf8=this.writeBufferUtf8.slice(e),e=0),setTimeout(function(){return t._innerWriteUtf8(e)},0)):(this._writeInProgress=!1,this.writeBufferUtf8=[])},I.prototype.write=function(e){var t=this;this._isDisposed||e&&(this.writeBuffer.push(e),this.options.useFlowControl&&!this._xoffSentToCatchUp&&5<=this.writeBuffer.length&&(this.handler(f.C0.DC3),this._xoffSentToCatchUp=!0),!this._writeInProgress&&0<this.writeBuffer.length&&(this._writeInProgress=!0,setTimeout(function(){t._innerWrite()})))},I.prototype._innerWrite=function(e){var t=this;void 0===e&&(e=0),this._isDisposed&&(this.writeBuffer=[]);for(var i=Date.now();this.writeBuffer.length>e;){var r=this.writeBuffer[e];if(e++,this._xoffSentToCatchUp&&this.writeBuffer.length===e&&(this.handler(f.C0.DC1),this._xoffSentToCatchUp=!1),this._refreshStart=this.buffer.y,this._refreshEnd=this.buffer.y,this._inputHandler.parse(r),this.updateRange(this.buffer.y),this.refresh(this._refreshStart,this._refreshEnd),12<=Date.now()-i)break}this.writeBuffer.length>e?(50<e&&(this.writeBuffer=this.writeBuffer.slice(e),e=0),setTimeout(function(){return t._innerWrite(e)},0)):(this._writeInProgress=!1,this.writeBuffer=[])},I.prototype.writeln=function(e){this.write(e+"\r\n")},I.prototype.attachCustomKeyEventHandler=function(e){this._customKeyEventHandler=e},I.prototype.addCsiHandler=function(e,t){return this._inputHandler.addCsiHandler(e,t)},I.prototype.addOscHandler=function(e,t){return this._inputHandler.addOscHandler(e,t)},I.prototype.registerLinkMatcher=function(e,t,i){var r=this.linkifier.registerLinkMatcher(e,t,i);return this.refresh(0,this.rows-1),r},I.prototype.deregisterLinkMatcher=function(e){this.linkifier.deregisterLinkMatcher(e)&&this.refresh(0,this.rows-1)},I.prototype.registerCharacterJoiner=function(e){var t=this._renderCoordinator.registerCharacterJoiner(e);return this.refresh(0,this.rows-1),t},I.prototype.deregisterCharacterJoiner=function(e){this._renderCoordinator.deregisterCharacterJoiner(e)&&this.refresh(0,this.rows-1)},Object.defineProperty(I.prototype,"markers",{get:function(){return this.buffer.markers},enumerable:!0,configurable:!0}),I.prototype.addMarker=function(e){if(this.buffer===this.buffers.normal)return this.buffer.addMarker(this.buffer.ybase+this.buffer.y+e)},I.prototype.hasSelection=function(){return!!this.selectionManager&&this.selectionManager.hasSelection},I.prototype.select=function(e,t,i){this.selectionManager.setSelection(e,t,i)},I.prototype.getSelection=function(){return this.selectionManager?this.selectionManager.selectionText:""},I.prototype.getSelectionPosition=function(){if(this.selectionManager.hasSelection)return{startColumn:this.selectionManager.selectionStart[0],startRow:this.selectionManager.selectionStart[1],endColumn:this.selectionManager.selectionEnd[0],endRow:this.selectionManager.selectionEnd[1]}},I.prototype.clearSelection=function(){this.selectionManager&&this.selectionManager.clearSelection()},I.prototype.selectAll=function(){this.selectionManager&&this.selectionManager.selectAll()},I.prototype.selectLines=function(e,t){this.selectionManager&&this.selectionManager.selectLines(e,t)},I.prototype._keyDown=function(e){if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(!this._compositionHelper.keydown(e))return this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),!1;var t=x.evaluateKeyboardEvent(e,this.applicationCursor,this.browser.isMac,this.options.macOptionIsMeta);if(this.updateCursorStyle(e),3!==t.type&&2!==t.type)return 1===t.type&&this.selectAll(),!!this._isThirdLevelShift(this.browser,e)||(t.cancel&&this.cancel(e,!0),!t.key||(this.emit("keydown",e),this._onKey.fire({key:t.key,domEvent:e}),this.showCursor(),this.handler(t.key),this.cancel(e,!0)));var i=this.rows-1;return this.scrollLines(2===t.type?-i:i),this.cancel(e,!0)},I.prototype._isThirdLevelShift=function(e,t){var i=e.isMac&&!this.options.macOptionIsMeta&&t.altKey&&!t.ctrlKey&&!t.metaKey||e.isMSWindows&&t.altKey&&t.ctrlKey&&!t.metaKey;return"keypress"===t.type?i:i&&(!t.keyCode||47<t.keyCode)},I.prototype.setgLevel=function(e){this.glevel=e,this.charset=this.charsets[e]},I.prototype.setgCharset=function(e,t){this.charsets[e]=t,this.glevel===e&&(this.charset=t)},I.prototype._keyUp=function(e){this.updateCursorStyle(e)},I.prototype._keyPress=function(e){var t;if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(this.cancel(e),e.charCode)t=e.charCode;else if(null===e.which||void 0===e.which)t=e.keyCode;else{if(0===e.which||0===e.charCode)return!1;t=e.which}return!(!t||(e.altKey||e.ctrlKey||e.metaKey)&&!this._isThirdLevelShift(this.browser,e)||(t=String.fromCharCode(t),this.emit("keypress",t,e),this._onKey.fire({key:t,domEvent:e}),this.showCursor(),this.handler(t),0))},I.prototype.bell=function(){var e=this;this.emit("bell"),this._soundBell()&&this.soundManager.playBellSound(),this._visualBell()&&(this.element.classList.add("visual-bell-active"),clearTimeout(this._visualBellTimer),this._visualBellTimer=window.setTimeout(function(){e.element.classList.remove("visual-bell-active")},200))},I.prototype.log=function(e,t){this.options.debug&&this._context.console&&this._context.console.log&&this._context.console.log(e,t)},I.prototype.error=function(e,t){this.options.debug&&this._context.console&&this._context.console.error&&this._context.console.error(e,t)},I.prototype.resize=function(e,t){isNaN(e)||isNaN(t)||(e!==this.cols||t!==this.rows?(e<2&&(e=2),t<1&&(t=1),this.buffers.resize(e,t),this.cols=e,this.rows=t,this.buffers.setupTabStops(this.cols),this.charMeasure&&this.charMeasure.measure(this.options),this.refresh(0,this.rows-1),this._onResize.fire({cols:e,rows:t})):!this.charMeasure||this.charMeasure.width&&this.charMeasure.height||this.charMeasure.measure(this.options))},I.prototype.updateRange=function(e){e<this._refreshStart&&(this._refreshStart=e),e>this._refreshEnd&&(this._refreshEnd=e)},I.prototype.maxRange=function(){this._refreshStart=0,this._refreshEnd=this.rows-1},I.prototype.clear=function(){if(0!==this.buffer.ybase||0!==this.buffer.y){this.buffer.lines.set(0,this.buffer.lines.get(this.buffer.ybase+this.buffer.y)),this.buffer.lines.length=1,this.buffer.ydisp=0,this.buffer.ybase=0,this.buffer.y=0;for(var e=1;e<this.rows;e++)this.buffer.lines.push(this.buffer.getBlankLine(R.DEFAULT_ATTR_DATA));this.refresh(0,this.rows-1),this._onScroll.fire(this.buffer.ydisp)}},I.prototype.is=function(e){return 0===(this.options.termName+"").indexOf(e)},I.prototype.handler=function(e){this.options.disableStdin||(this.selectionManager&&this.selectionManager.hasSelection&&this.selectionManager.clearSelection(),this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),this._onData.fire(e))},I.prototype.handleTitle=function(e){this._onTitleChange.fire(e)},I.prototype.index=function(){this.buffer.y++,this.buffer.y>this.buffer.scrollBottom&&(this.buffer.y--,this.scroll()),this.buffer.x>=this.cols&&this.buffer.x--},I.prototype.reverseIndex=function(){if(this.buffer.y===this.buffer.scrollTop){var e=this.buffer.scrollBottom-this.buffer.scrollTop;this.buffer.lines.shiftElements(this.buffer.y+this.buffer.ybase,e,1),this.buffer.lines.set(this.buffer.y+this.buffer.ybase,this.buffer.getBlankLine(this.eraseAttrData())),this.updateRange(this.buffer.scrollTop),this.updateRange(this.buffer.scrollBottom)}else this.buffer.y--},I.prototype.reset=function(){this.options.rows=this.rows,this.options.cols=this.cols;var e=this._customKeyEventHandler,t=this._inputHandler,i=this.cursorState,r=this.writeBuffer,n=this.writeBufferUtf8,s=this._writeInProgress,o=this._xoffSentToCatchUp,a=this._userScrolling;this._setup(),this._customKeyEventHandler=e,this._inputHandler=t,this.cursorState=i,this.writeBuffer=r,this.writeBufferUtf8=n,this._writeInProgress=s,this._xoffSentToCatchUp=o,this._userScrolling=a,this.refresh(0,this.rows-1),this.viewport&&this.viewport.syncScrollArea()},I.prototype.tabSet=function(){this.buffer.tabs[this.buffer.x]=!0},I.prototype.cancel=function(e,t){if(this.options.cancelEvents||t)return e.preventDefault(),e.stopPropagation(),!1},I.prototype._visualBell=function(){return!1},I.prototype._soundBell=function(){return"sound"===this.options.bellStyle},I);function I(e){void 0===e&&(e={});var t=s.call(this)||this;return t.browser=g,t._blankLine=null,t._onCursorMove=new M.EventEmitter2,t._onData=new M.EventEmitter2,t._onKey=new M.EventEmitter2,t._onLineFeed=new M.EventEmitter2,t._onRender=new M.EventEmitter2,t._onResize=new M.EventEmitter2,t._onScroll=new M.EventEmitter2,t._onSelectionChange=new M.EventEmitter2,t._onTitleChange=new M.EventEmitter2,t.options=T.clone(e),t._setup(),t.onCursorMove(function(){return t.emit("cursormove")}),t.onData(function(e){return t.emit("data",e)}),t.onKey(function(e){return t.emit("key",e.key,e.domEvent)}),t.onLineFeed(function(){return t.emit("linefeed")}),t.onRender(function(e){return t.emit("refresh",e)}),t.onResize(function(e){return t.emit("resize",e)}),t.onSelectionChange(function(){return t.emit("selection")}),t.onScroll(function(e){return t.emit("scroll",e)}),t.onTitleChange(function(e){return t.emit("title",e)}),t}i.Terminal=F},{"./AccessibilityManager":1,"./Buffer":2,"./BufferSet":3,"./CharMeasure":4,"./Clipboard":6,"./CompositionHelper":7,"./InputHandler":9,"./Linkifier":10,"./MouseHelper":11,"./MouseZoneManager":12,"./SelectionManager":13,"./SoundManager":15,"./Strings":16,"./Viewport":18,"./WindowsMode":19,"./common/Clone":21,"./common/EventEmitter":22,"./common/EventEmitter2":23,"./common/Platform":25,"./common/data/EscapeSequences":28,"./core/buffer/BufferLine":29,"./core/input/Keyboard":33,"./renderer/RenderCoordinator":43,"./renderer/Renderer":44,"./renderer/atlas/CharAtlasCache":48,"./renderer/dom/DomRenderer":56,"./ui/ColorManager":58,"./ui/Lifecycle":59}],18:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var o,s=e("./common/Lifecycle"),a=e("./ui/Lifecycle"),l=(o=s.Disposable,n(h,o),h.prototype.onDimensionsChance=function(e){this._dimensions=e},h.prototype.onThemeChange=function(e){this._viewportElement.style.backgroundColor=e.background.css},h.prototype._refresh=function(){var e=this;null===this._refreshAnimationFrame&&(this._refreshAnimationFrame=requestAnimationFrame(function(){return e._innerRefresh()}))},h.prototype._innerRefresh=function(){if(0<this._charMeasure.height){this._currentRowHeight=this._dimensions.scaledCellHeight/window.devicePixelRatio,this._lastRecordedViewportHeight=this._viewportElement.offsetHeight;var e=Math.round(this._currentRowHeight*this._lastRecordedBufferLength)+(this._lastRecordedViewportHeight-this._dimensions.canvasHeight);this._lastRecordedBufferHeight!==e&&(this._lastRecordedBufferHeight=e,this._scrollArea.style.height=this._lastRecordedBufferHeight+"px")}var t=this._terminal.buffer.ydisp*this._currentRowHeight;this._viewportElement.scrollTop!==t&&(this._ignoreNextScrollEvent=!0,this._viewportElement.scrollTop=t),this._refreshAnimationFrame=null},h.prototype.syncScrollArea=function(){if(this._lastRecordedBufferLength!==this._terminal.buffer.lines.length)return this._lastRecordedBufferLength=this._terminal.buffer.lines.length,void this._refresh();if(this._lastRecordedViewportHeight===this._dimensions.canvasHeight){var e=this._terminal.buffer.ydisp*this._currentRowHeight;this._lastScrollTop===e&&this._lastScrollTop===this._viewportElement.scrollTop&&this._dimensions.scaledCellHeight/window.devicePixelRatio===this._currentRowHeight||this._refresh()}else this._refresh()},h.prototype._onScroll=function(e){if(this._lastScrollTop=this._viewportElement.scrollTop,this._viewportElement.offsetParent)if(this._ignoreNextScrollEvent)this._ignoreNextScrollEvent=!1;else{var t=Math.round(this._lastScrollTop/this._currentRowHeight)-this._terminal.buffer.ydisp;this._terminal.scrollLines(t,!0)}},h.prototype.onWheel=function(e){var t=this._getPixelsScrolled(e);0!==t&&(this._viewportElement.scrollTop+=t,e.preventDefault())},h.prototype._getPixelsScrolled=function(e){if(0===e.deltaY)return 0;var t=e.deltaY;return e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._currentRowHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._currentRowHeight*this._terminal.rows),t},h.prototype.getLinesScrolled=function(e){if(0===e.deltaY)return 0;var t=e.deltaY;return e.deltaMode===WheelEvent.DOM_DELTA_PIXEL?(t/=this._currentRowHeight+0,this._wheelPartialScroll+=t,t=Math.floor(Math.abs(this._wheelPartialScroll))*(0<this._wheelPartialScroll?1:-1),this._wheelPartialScroll%=1):e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._terminal.rows),t},h.prototype.onTouchStart=function(e){this._lastTouchY=e.touches[0].pageY},h.prototype.onTouchMove=function(e){var t=this._lastTouchY-e.touches[0].pageY;this._lastTouchY=e.touches[0].pageY,0!=t&&(this._viewportElement.scrollTop+=t,e.preventDefault())},h);function h(e,t,i,r,n){var s=o.call(this)||this;return s._terminal=e,s._viewportElement=t,s._scrollArea=i,s._charMeasure=r,s._dimensions=n,s.scrollBarWidth=0,s._currentRowHeight=0,s._lastRecordedBufferLength=0,s._lastRecordedViewportHeight=0,s._lastRecordedBufferHeight=0,s._lastScrollTop=0,s._wheelPartialScroll=0,s._refreshAnimationFrame=null,s._ignoreNextScrollEvent=!1,s.scrollBarWidth=s._viewportElement.offsetWidth-s._scrollArea.offsetWidth||15,s.register(a.addDisposableDomListener(s._viewportElement,"scroll",s._onScroll.bind(s))),setTimeout(function(){return s.syncScrollArea()},0),s}i.Viewport=l},{"./common/Lifecycle":24,"./ui/Lifecycle":59}],19:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./core/buffer/BufferLine");i.applyWindowsMode=function(t){return t.onLineFeed(function(){var 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this._startRow>this._endRow?"A":"B"},s.prototype._bufferLine=function(e,t,i,r,n){for(var s=e,o=t,a="";s!==i||o!==r;)s+=n?1:-1,n&&s>this._terminal.cols-1?(a+=this._terminal.buffer.translateBufferLineToString(o,!1,e,s),e=s=0,o++):!n&&s<0&&(a+=this._terminal.buffer.translateBufferLineToString(o,!1,0,e+1),e=s=this._terminal.cols-1,o--);return a+this._terminal.buffer.translateBufferLineToString(o,!1,e,s)},s.prototype._sequence=function(e){var t=this._terminal.applicationCursor?"O":"[";return r.C0.ESC+t+e},s);function s(e,t){var i;this._mouseEvent=e,this._terminal=t,this._lines=this._terminal.buffer.lines,this._startCol=this._terminal.buffer.x,this._startRow=this._terminal.buffer.y;var r=this._terminal.mouseHelper.getCoords(this._mouseEvent,this._terminal.element,this._terminal.charMeasure,this._terminal.cols,this._terminal.rows,!1);r&&(i=r.map(function(e){return e-1}),this._endCol=i[0],this._endRow=i[1])}function o(e,t){e=Math.floor(e);for(var i="",r=0;r<e;r++)i+=t;return i}i.AltClickHandler=n},{"../common/data/EscapeSequences":28}],36:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.dispose=function(){for(var e=this._addons.length-1;0<=e;e--)this._addons[e].instance.dispose()},n.prototype.loadAddon=function(e,t){var i=this,r={instance:t,dispose:t.dispose,isDisposed:!1};this._addons.push(r),t.dispose=function(){return i._wrappedAddonDispose(r)},t.activate(e)},n.prototype._wrappedAddonDispose=function(e){if(!e.isDisposed){for(var t=-1,i=0;i<this._addons.length;i++)if(this._addons[i]===e){t=i;break}if(-1===t)throw new Error("Could not dispose an addon that has not been loaded");e.isDisposed=!0,e.dispose.apply(e.instance),this._addons.splice(t,1)}},n);function n(){this._addons=[]}i.AddonManager=r},{}],37:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("../Terminal"),n=e("../Strings"),s=e("./AddonManager"),o=(Object.defineProperty(a.prototype,"onCursorMove",{get:function(){return this._core.onCursorMove},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onLineFeed",{get:function(){return this._core.onLineFeed},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onSelectionChange",{get:function(){return this._core.onSelectionChange},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onData",{get:function(){return this._core.onData},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onTitleChange",{get:function(){return this._core.onTitleChange},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onScroll",{get:function(){return this._core.onScroll},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onKey",{get:function(){return this._core.onKey},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onRender",{get:function(){return this._core.onRender},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"onResize",{get:function(){return this._core.onResize},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"element",{get:function(){return this._core.element},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"textarea",{get:function(){return this._core.textarea},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"rows",{get:function(){return this._core.rows},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"cols",{get:function(){return this._core.cols},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"buffer",{get:function(){return new l(this._core.buffer)},enumerable:!0,configurable:!0}),Object.defineProperty(a.prototype,"markers",{get:function(){return this._core.markers},enumerable:!0,configurable:!0}),a.prototype.blur=function(){this._core.blur()},a.prototype.focus=function(){this._core.focus()},a.prototype.on=function(e,t){this._core.on(e,t)},a.prototype.off=function(e,t){this._core.off(e,t)},a.prototype.emit=function(e,t){this._core.emit(e,t)},a.prototype.addDisposableListener=function(e,t){return this._core.addDisposableListener(e,t)},a.prototype.resize=function(e,t){this._core.resize(e,t)},a.prototype.writeln=function(e){this._core.writeln(e)},a.prototype.open=function(e){this._core.open(e)},a.prototype.attachCustomKeyEventHandler=function(e){this._core.attachCustomKeyEventHandler(e)},a.prototype.addCsiHandler=function(e,t){return this._core.addCsiHandler(e,t)},a.prototype.addOscHandler=function(e,t){return this._core.addOscHandler(e,t)},a.prototype.registerLinkMatcher=function(e,t,i){return this._core.registerLinkMatcher(e,t,i)},a.prototype.deregisterLinkMatcher=function(e){this._core.deregisterLinkMatcher(e)},a.prototype.registerCharacterJoiner=function(e){return this._core.registerCharacterJoiner(e)},a.prototype.deregisterCharacterJoiner=function(e){this._core.deregisterCharacterJoiner(e)},a.prototype.addMarker=function(e){return this._core.addMarker(e)},a.prototype.hasSelection=function(){return this._core.hasSelection()},a.prototype.select=function(e,t,i){this._core.select(e,t,i)},a.prototype.getSelection=function(){return this._core.getSelection()},a.prototype.getSelectionPosition=function(){return this._core.getSelectionPosition()},a.prototype.clearSelection=function(){this._core.clearSelection()},a.prototype.selectAll=function(){this._core.selectAll()},a.prototype.selectLines=function(e,t){this._core.selectLines(e,t)},a.prototype.dispose=function(){this._addonManager.dispose(),this._core.dispose()},a.prototype.destroy=function(){this._core.destroy()},a.prototype.scrollLines=function(e){this._core.scrollLines(e)},a.prototype.scrollPages=function(e){this._core.scrollPages(e)},a.prototype.scrollToTop=function(){this._core.scrollToTop()},a.prototype.scrollToBottom=function(){this._core.scrollToBottom()},a.prototype.scrollToLine=function(e){this._core.scrollToLine(e)},a.prototype.clear=function(){this._core.clear()},a.prototype.write=function(e){this._core.write(e)},a.prototype.writeUtf8=function(e){this._core.writeUtf8(e)},a.prototype.getOption=function(e){return this._core.getOption(e)},a.prototype.setOption=function(e,t){this._core.setOption(e,t)},a.prototype.refresh=function(e,t){this._core.refresh(e,t)},a.prototype.reset=function(){this._core.reset()},a.applyAddon=function(e){e.apply(a)},a.prototype.loadAddon=function(e){return this._addonManager.loadAddon(this,e)},Object.defineProperty(a,"strings",{get:function(){return n},enumerable:!0,configurable:!0}),a);function a(e){this._core=new r.Terminal(e),this._addonManager=new s.AddonManager}i.Terminal=o;var l=(Object.defineProperty(h.prototype,"cursorY",{get:function(){return this._buffer.y},enumerable:!0,configurable:!0}),Object.defineProperty(h.prototype,"cursorX",{get:function(){return this._buffer.x},enumerable:!0,configurable:!0}),Object.defineProperty(h.prototype,"viewportY",{get:function(){return this._buffer.ydisp},enumerable:!0,configurable:!0}),Object.defineProperty(h.prototype,"baseY",{get:function(){return this._buffer.ybase},enumerable:!0,configurable:!0}),Object.defineProperty(h.prototype,"length",{get:function(){return this._buffer.lines.length},enumerable:!0,configurable:!0}),h.prototype.getLine=function(e){var t=this._buffer.lines.get(e);if(t)return new c(t)},h);function h(e){this._buffer=e}var c=(Object.defineProperty(u.prototype,"isWrapped",{get:function(){return this._line.isWrapped},enumerable:!0,configurable:!0}),u.prototype.getCell=function(e){if(!(e<0||e>=this._line.length))return new f(this._line,e)},u.prototype.translateToString=function(e,t,i){return this._line.translateToString(e,t,i)},u);function u(e){this._line=e}var f=(Object.defineProperty(_.prototype,"char",{get:function(){return this._line.getString(this._x)},enumerable:!0,configurable:!0}),Object.defineProperty(_.prototype,"width",{get:function(){return this._line.getWidth(this._x)},enumerable:!0,configurable:!0}),_);function _(e,t){this._line=e,this._x=t}},{"../Strings":16,"../Terminal":17,"./AddonManager":36}],38:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var o=e("../common/Types"),a=e("./atlas/Types"),r=e("./atlas/CharAtlasCache"),l=e("../core/buffer/BufferLine"),n=(s.prototype.dispose=function(){this._container.removeChild(this._canvas),this._charAtlas&&this._charAtlas.dispose()},s.prototype._initCanvas=function(){this._ctx=this._canvas.getContext("2d",{alpha:this._alpha}),this._alpha||this.clearAll()},s.prototype.onOptionsChanged=function(e){},s.prototype.onBlur=function(e){},s.prototype.onFocus=function(e){},s.prototype.onCursorMove=function(e){},s.prototype.onGridChanged=function(e,t,i){},s.prototype.onSelectionChanged=function(e,t,i,r){void 0===r&&(r=!1)},s.prototype.setColors=function(e,t){this._refreshCharAtlas(e,t)},s.prototype.setTransparency=function(e,t){if(t!==this._alpha){var i=this._canvas;this._alpha=t,this._canvas=this._canvas.cloneNode(),this._initCanvas(),this._container.replaceChild(this._canvas,i),this._refreshCharAtlas(e,this._colors),this.onGridChanged(e,0,e.rows-1)}},s.prototype._refreshCharAtlas=function(e,t){this._scaledCharWidth<=0&&this._scaledCharHeight<=0||(this._charAtlas=r.acquireCharAtlas(e,t,this._scaledCharWidth,this._scaledCharHeight),this._charAtlas.warmUp())},s.prototype.resize=function(e,t){this._scaledCellWidth=t.scaledCellWidth,this._scaledCellHeight=t.scaledCellHeight,this._scaledCharWidth=t.scaledCharWidth,this._scaledCharHeight=t.scaledCharHeight,this._scaledCharLeft=t.scaledCharLeft,this._scaledCharTop=t.scaledCharTop,this._canvas.width=t.scaledCanvasWidth,this._canvas.height=t.scaledCanvasHeight,this._canvas.style.width=t.canvasWidth+"px",this._canvas.style.height=t.canvasHeight+"px",this._alpha||this.clearAll(),this._refreshCharAtlas(e,this._colors)},s.prototype.fillCells=function(e,t,i,r){this._ctx.fillRect(e*this._scaledCellWidth,t*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight)},s.prototype.fillBottomLineAtCells=function(e,t,i){void 0===i&&(i=1),this._ctx.fillRect(e*this._scaledCellWidth,(t+1)*this._scaledCellHeight-window.devicePixelRatio-1,i*this._scaledCellWidth,window.devicePixelRatio)},s.prototype.fillLeftLineAtCell=function(e,t){this._ctx.fillRect(e*this._scaledCellWidth,t*this._scaledCellHeight,window.devicePixelRatio,this._scaledCellHeight)},s.prototype.strokeRectAtCell=function(e,t,i,r){this._ctx.lineWidth=window.devicePixelRatio,this._ctx.strokeRect(e*this._scaledCellWidth+window.devicePixelRatio/2,t*this._scaledCellHeight+window.devicePixelRatio/2,i*this._scaledCellWidth-window.devicePixelRatio,r*this._scaledCellHeight-window.devicePixelRatio)},s.prototype.clearAll=function(){this._alpha?this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(0,0,this._canvas.width,this._canvas.height))},s.prototype.clearCells=function(e,t,i,r){this._alpha?this._ctx.clearRect(e*this._scaledCellWidth,t*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight):(this._ctx.fillStyle=this._colors.background.css,this._ctx.fillRect(e*this._scaledCellWidth,t*this._scaledCellHeight,i*this._scaledCellWidth,r*this._scaledCellHeight))},s.prototype.fillCharTrueColor=function(e,t,i,r){this._ctx.font=this._getFont(e,!1,!1),this._ctx.textBaseline="middle",this._clipRow(e,r),this._ctx.fillText(t.getChars(),i*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop+this._scaledCharHeight/2)},s.prototype.drawChars=function(e,t,i,r){var n,s;t.isFgRGB()||t.isBgRGB()?this._drawUncachedChars(e,t,i,r):(t.isInverse()?(n=t.isBgDefault()?a.INVERTED_DEFAULT_COLOR:t.getBgColor(),s=t.isFgDefault()?a.INVERTED_DEFAULT_COLOR:t.getFgColor()):(s=t.isBgDefault()?o.DEFAULT_COLOR:t.getBgColor(),n=t.isFgDefault()?o.DEFAULT_COLOR:t.getFgColor()),n+=e.options.drawBoldTextInBrightColors&&t.isBold()&&n<8&&n!==a.INVERTED_DEFAULT_COLOR?8:0,this._currentGlyphIdentifier.chars=t.getChars()||l.WHITESPACE_CELL_CHAR,this._currentGlyphIdentifier.code=t.getCode()||l.WHITESPACE_CELL_CODE,this._currentGlyphIdentifier.bg=s,this._currentGlyphIdentifier.fg=n,this._currentGlyphIdentifier.bold=t.isBold()&&e.options.enableBold,this._currentGlyphIdentifier.dim=!!t.isDim(),this._currentGlyphIdentifier.italic=!!t.isItalic(),this._charAtlas&&this._charAtlas.draw(this._ctx,this._currentGlyphIdentifier,i*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop)||this._drawUncachedChars(e,t,i,r))},s.prototype._drawUncachedChars=function(e,t,i,r){if(this._ctx.save(),this._ctx.font=this._getFont(e,t.isBold()&&e.options.enableBold,!!t.isItalic()),this._ctx.textBaseline="middle",t.isInverse())t.isBgDefault()?this._ctx.fillStyle=this._colors.background.css:t.isBgRGB()?this._ctx.fillStyle="rgb("+l.AttributeData.toColorRGB(t.getBgColor()).join(",")+")":this._ctx.fillStyle=this._colors.ansi[t.getBgColor()].css;else if(t.isFgDefault())this._ctx.fillStyle=this._colors.foreground.css;else if(t.isFgRGB())this._ctx.fillStyle="rgb("+l.AttributeData.toColorRGB(t.getFgColor()).join(",")+")";else{var n=t.getFgColor();e.options.drawBoldTextInBrightColors&&t.isBold()&&n<8&&(n+=8),this._ctx.fillStyle=this._colors.ansi[n].css}this._clipRow(e,r),t.isDim()&&(this._ctx.globalAlpha=a.DIM_OPACITY),this._ctx.fillText(t.getChars(),i*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop+this._scaledCharHeight/2),this._ctx.restore()},s.prototype._clipRow=function(e,t){this._ctx.beginPath(),this._ctx.rect(0,t*this._scaledCellHeight,e.cols*this._scaledCellWidth,this._scaledCellHeight),this._ctx.clip()},s.prototype._getFont=function(e,t,i){return(i?"italic":"")+" "+(t?e.options.fontWeightBold:e.options.fontWeight)+" "+e.options.fontSize*window.devicePixelRatio+"px "+e.options.fontFamily},s);function s(e,t,i,r,n){this._container=e,this._alpha=r,this._colors=n,this._scaledCharWidth=0,this._scaledCharHeight=0,this._scaledCellWidth=0,this._scaledCellHeight=0,this._scaledCharLeft=0,this._scaledCharTop=0,this._currentGlyphIdentifier={chars:"",code:0,bg:0,fg:0,bold:!1,dim:!1,italic:!1},this._canvas=document.createElement("canvas"),this._canvas.classList.add("xterm-"+t+"-layer"),this._canvas.style.zIndex=i.toString(),this._initCanvas(),this._container.appendChild(this._canvas)}i.BaseRenderLayer=n},{"../common/Types":27,"../core/buffer/BufferLine":29,"./atlas/CharAtlasCache":48,"./atlas/Types":55}],39:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,f=e("../core/buffer/BufferLine"),o=(s=f.AttributeData,n(a,s),a.prototype.isCombined=function(){return 2097152},a.prototype.getWidth=function(){return this._width},a.prototype.getChars=function(){return this.combinedData},a.prototype.getCode=function(){return 2097151},a.prototype.setFromCharData=function(e){throw new Error("not implemented")},a.prototype.getAsCharData=function(){return[this.fg,this.getChars(),this.getWidth(),this.getCode()]},a);function a(e,t,i){var r=s.call(this)||this;return r.content=0,r.combinedData="",r.fg=e.fg,r.bg=e.bg,r.combinedData=t,r._width=i,r}i.JoinedCellData=o;var l=(c.prototype.registerCharacterJoiner=function(e){var t={id:this._nextCharacterJoinerId++,handler:e};return this._characterJoiners.push(t),t.id},c.prototype.deregisterCharacterJoiner=function(e){for(var t=0;t<this._characterJoiners.length;t++)if(this._characterJoiners[t].id===e)return this._characterJoiners.splice(t,1),!0;return!1},c.prototype.getJoinedCharacters=function(e){if(0===this._characterJoiners.length)return[];var t=this._terminal.buffer.lines.get(e);if(0===t.length)return[];for(var i=[],r=t.translateToString(!0),n=0,s=0,o=0,a=t.getFg(0),l=t.getBg(0),h=0;h<t.getTrimmedLength();h++)if(t.loadCell(h,this._workCell),0!==this._workCell.getWidth()){if(this._workCell.fg!==a||this._workCell.bg!==l){if(1<h-n)for(var c=this._getJoinedRanges(r,o,s,t,n),u=0;u<c.length;u++)i.push(c[u]);n=h,o=s,a=this._workCell.fg,l=this._workCell.bg}s+=this._workCell.getChars().length||f.WHITESPACE_CELL_CHAR.length}if(1<this._terminal.cols-n)for(c=this._getJoinedRanges(r,o,s,t,n),u=0;u<c.length;u++)i.push(c[u]);return i},c.prototype._getJoinedRanges=function(e,t,i,r,n){for(var s=e.substring(t,i),o=this._characterJoiners[0].handler(s),a=1;a<this._characterJoiners.length;a++)for(var l=this._characterJoiners[a].handler(s),h=0;h<l.length;h++)c._mergeRanges(o,l[h]);return this._stringRangesToCellRanges(o,r,n),o},c.prototype._stringRangesToCellRanges=function(e,t,i){var r=0,n=!1,s=0,o=e[r];if(o){for(var a=i;a<this._terminal.cols;a++){var l=t.getWidth(a),h=t.getString(a).length||f.WHITESPACE_CELL_CHAR.length;if(0!==l){if(!n&&o[0]<=s&&(o[0]=a,n=!0),o[1]<=s){if(o[1]=a,!(o=e[++r]))break;n=o[0]<=s&&(o[0]=a,!0)}s+=h}}o&&(o[1]=this._terminal.cols)}},c._mergeRanges=function(e,t){for(var i=!1,r=0;r<e.length;r++){var n=e[r];if(i){if(t[1]<=n[0])return e[r-1][1]=t[1],e;if(t[1]<=n[1])return e[r-1][1]=Math.max(t[1],n[1]),e.splice(r,1),i=!1,e;e.splice(r,1),r--}else{if(t[1]<=n[0])return e.splice(r,0,t),e;if(t[1]<=n[1])return n[0]=Math.min(t[0],n[0]),e;t[0]<n[1]&&(n[0]=Math.min(t[0],n[0]),i=!0)}}return i?e[e.length-1][1]=t[1]:e.push(t),e},c);function c(e){this._terminal=e,this._characterJoiners=[],this._nextCharacterJoinerId=0,this._workCell=new f.CellData}i.CharacterJoinerRegistry=l},{"../core/buffer/BufferLine":29}],40:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./BaseRenderLayer"),a=e("../core/buffer/BufferLine"),l=(s=o.BaseRenderLayer,n(h,s),h.prototype.resize=function(e,t){s.prototype.resize.call(this,e,t),this._state={x:null,y:null,isFocused:null,style:null,width:null}},h.prototype.reset=function(e){this._clearCursor(),this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=null,this.onOptionsChanged(e))},h.prototype.onBlur=function(e){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.pause(),e.refresh(e.buffer.y,e.buffer.y)},h.prototype.onFocus=function(e){this._cursorBlinkStateManager?this._cursorBlinkStateManager.resume(e):e.refresh(e.buffer.y,e.buffer.y)},h.prototype.onOptionsChanged=function(e){var t=this;e.options.cursorBlink?this._cursorBlinkStateManager||(this._cursorBlinkStateManager=new c(e,function(){t._render(e,!0)})):(this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=null),e.refresh(e.buffer.y,e.buffer.y))},h.prototype.onCursorMove=function(e){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.restartBlinkAnimation(e)},h.prototype.onGridChanged=function(e,t,i){!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isPaused?this._render(e,!1):this._cursorBlinkStateManager.restartBlinkAnimation(e)},h.prototype._render=function(e,t){if(e.cursorState&&!e.cursorHidden){var i=e.buffer.ybase+e.buffer.y,r=i-e.buffer.ydisp;if(r<0||r>=e.rows)this._clearCursor();else if(e.buffer.lines.get(i).loadCell(e.buffer.x,this._cell),void 0!==this._cell.content){if(!e.isFocused)return this._clearCursor(),this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._renderBlurCursor(e,e.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=e.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=e.options.cursorStyle,void(this._state.width=this._cell.getWidth());if(!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isCursorVisible){if(this._state){if(this._state.x===e.buffer.x&&this._state.y===r&&this._state.isFocused===e.isFocused&&this._state.style===e.options.cursorStyle&&this._state.width===this._cell.getWidth())return;this._clearCursor()}this._ctx.save(),this._cursorRenderers[e.options.cursorStyle||"block"](e,e.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=e.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=e.options.cursorStyle,this._state.width=this._cell.getWidth()}else this._clearCursor()}}else this._clearCursor()},h.prototype._clearCursor=function(){this._state&&(this.clearCells(this._state.x,this._state.y,this._state.width,1),this._state={x:null,y:null,isFocused:null,style:null,width:null})},h.prototype._renderBarCursor=function(e,t,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this.fillLeftLineAtCell(t,i),this._ctx.restore()},h.prototype._renderBlockCursor=function(e,t,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this.fillCells(t,i,r.getWidth(),1),this._ctx.fillStyle=this._colors.cursorAccent.css,this.fillCharTrueColor(e,r,t,i),this._ctx.restore()},h.prototype._renderUnderlineCursor=function(e,t,i,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this.fillBottomLineAtCells(t,i),this._ctx.restore()},h.prototype._renderBlurCursor=function(e,t,i,r){this._ctx.save(),this._ctx.strokeStyle=this._colors.cursor.css,this.strokeRectAtCell(t,i,r.getWidth(),1),this._ctx.restore()},h);function h(e,t,i){var r=s.call(this,e,"cursor",t,!0,i)||this;return r._cell=new a.CellData,r._state={x:null,y:null,isFocused:null,style:null,width:null},r._cursorRenderers={bar:r._renderBarCursor.bind(r),block:r._renderBlockCursor.bind(r),underline:r._renderUnderlineCursor.bind(r)},r}i.CursorRenderLayer=l;var c=(Object.defineProperty(u.prototype,"isPaused",{get:function(){return!(this._blinkStartTimeout||this._blinkInterval)},enumerable:!0,configurable:!0}),u.prototype.dispose=function(){this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=null),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=null),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=null)},u.prototype.restartBlinkAnimation=function(e){var t=this;this.isPaused||(this._animationTimeRestarted=Date.now(),this.isCursorVisible=!0,this._animationFrame||(this._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=null})))},u.prototype._restartInterval=function(e){var t=this;void 0===e&&(e=600),this._blinkInterval&&window.clearInterval(this._blinkInterval),this._blinkStartTimeout=setTimeout(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);if(t._animationTimeRestarted=null,0<e)return void t._restartInterval(e)}t.isCursorVisible=!1,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=null}),t._blinkInterval=setInterval(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);return t._animationTimeRestarted=null,void t._restartInterval(e)}t.isCursorVisible=!t.isCursorVisible,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=null})},600)},e)},u.prototype.pause=function(){this.isCursorVisible=!0,this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=null),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=null),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=null)},u.prototype.resume=function(e){this._animationTimeRestarted=null,this._restartInterval(),this.restartBlinkAnimation(e)},u);function u(e,t){this._renderCallback=t,this.isCursorVisible=!0,e.isFocused&&this._restartInterval()}},{"../core/buffer/BufferLine":29,"./BaseRenderLayer":38}],41:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.resize=function(e,t){for(var i=0;i<e;i++){this.cache.length<=i&&this.cache.push([]);for(var r=this.cache[i].length;r<t;r++)this.cache[i].push(null);this.cache[i].length=t}this.cache.length=e},n.prototype.clear=function(){for(var e=0;e<this.cache.length;e++)for(var t=0;t<this.cache[e].length;t++)this.cache[e][t]=null},n);function n(){this.cache=[]}i.GridCache=r},{}],42:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./BaseRenderLayer"),a=e("./atlas/Types"),l=e("./atlas/CharAtlasUtils"),h=(s=o.BaseRenderLayer,n(c,s),c.prototype.resize=function(e,t){s.prototype.resize.call(this,e,t),this._state=null},c.prototype.reset=function(e){this._clearCurrentLink()},c.prototype._clearCurrentLink=function(){if(this._state){this.clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);var e=this._state.y2-this._state.y1-1;0<e&&this.clearCells(0,this._state.y1+1,this._state.cols,e),this.clearCells(0,this._state.y2,this._state.x2,1),this._state=null}},c.prototype._onLinkHover=function(e){if(e.fg===a.INVERTED_DEFAULT_COLOR?this._ctx.fillStyle=this._colors.background.css:l.is256Color(e.fg)?this._ctx.fillStyle=this._colors.ansi[e.fg].css:this._ctx.fillStyle=this._colors.foreground.css,e.y1===e.y2)this.fillBottomLineAtCells(e.x1,e.y1,e.x2-e.x1);else{this.fillBottomLineAtCells(e.x1,e.y1,e.cols-e.x1);for(var t=e.y1+1;t<e.y2;t++)this.fillBottomLineAtCells(0,t,e.cols);this.fillBottomLineAtCells(0,e.y2,e.x2)}this._state=e},c.prototype._onLinkLeave=function(e){this._clearCurrentLink()},c);function c(e,t,i,r){var n=s.call(this,e,"link",t,!0,i)||this;return n._state=null,r.linkifier.onLinkHover(function(e){return n._onLinkHover(e)}),r.linkifier.onLinkLeave(function(e){return n._onLinkLeave(e)}),n}i.LinkRenderLayer=h},{"./BaseRenderLayer":38,"./atlas/CharAtlasUtils":50,"./atlas/Types":55}],43:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("../ui/RenderDebouncer"),a=e("../common/EventEmitter2"),l=e("../common/Lifecycle"),h=e("../ui/ScreenDprMonitor"),c=e("../ui/Lifecycle"),u=(s=l.Disposable,n(f,s),Object.defineProperty(f.prototype,"onDimensionsChange",{get:function(){return this._onDimensionsChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"onRender",{get:function(){return this._onRender.event},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"onRefreshRequest",{get:function(){return this._onRefreshRequest.event},enumerable:!0,configurable:!0}),Object.defineProperty(f.prototype,"dimensions",{get:function(){return this._renderer.dimensions},enumerable:!0,configurable:!0}),f.prototype._onIntersectionChange=function(e){this._isPaused=0===e.intersectionRatio,!this._isPaused&&this._needsFullRefresh&&(this.refreshRows(0,this._rowCount-1),this._needsFullRefresh=!1)},f.prototype.refreshRows=function(e,t){this._isPaused?this._needsFullRefresh=!0:this._renderDebouncer.refresh(e,t,this._rowCount)},f.prototype._renderRows=function(e,t){this._renderer.renderRows(e,t),this._onRender.fire({start:e,end:t})},f.prototype.resize=function(e,t){this._rowCount=t,this._fireOnCanvasResize()},f.prototype.changeOptions=function(){this._renderer.onOptionsChanged(),this._fireOnCanvasResize()},f.prototype._fireOnCanvasResize=function(){this._renderer.dimensions.canvasWidth===this._canvasWidth&&this._renderer.dimensions.canvasHeight===this._canvasHeight||this._onDimensionsChange.fire(this._renderer.dimensions)},f.prototype.setRenderer=function(e){this._renderer.dispose(),this._renderer=e},f.prototype._fullRefresh=function(){this._isPaused?this._needsFullRefresh=!0:this.refreshRows(0,this._rowCount)},f.prototype.setColors=function(e){this._renderer.setColors(e),this._fullRefresh()},f.prototype.onDevicePixelRatioChange=function(){this._renderer.onDevicePixelRatioChange()},f.prototype.onResize=function(e,t){this._renderer.onResize(e,t),this._fullRefresh()},f.prototype.onCharSizeChanged=function(){this._renderer.onCharSizeChanged()},f.prototype.onBlur=function(){this._renderer.onBlur()},f.prototype.onFocus=function(){this._renderer.onFocus()},f.prototype.onSelectionChanged=function(e,t,i){this._renderer.onSelectionChanged(e,t,i)},f.prototype.onCursorMove=function(){this._renderer.onCursorMove()},f.prototype.onOptionsChanged=function(){this._renderer.onOptionsChanged()},f.prototype.clear=function(){this._renderer.clear()},f.prototype.registerCharacterJoiner=function(e){return this._renderer.registerCharacterJoiner(e)},f.prototype.deregisterCharacterJoiner=function(e){return this._renderer.deregisterCharacterJoiner(e)},f);function f(e,t,i){var r=s.call(this)||this;if(r._renderer=e,r._rowCount=t,r._isPaused=!1,r._needsFullRefresh=!1,r._canvasWidth=0,r._canvasHeight=0,r._onDimensionsChange=new a.EventEmitter2,r._onRender=new a.EventEmitter2,r._onRefreshRequest=new a.EventEmitter2,r._renderDebouncer=new o.RenderDebouncer(function(e,t){return r._renderRows(e,t)}),r.register(r._renderDebouncer),r._screenDprMonitor=new h.ScreenDprMonitor,r._screenDprMonitor.setListener(function(){return r._renderer.onDevicePixelRatioChange()}),r.register(r._screenDprMonitor),r.register(c.addDisposableDomListener(window,"resize",function(){return r._renderer.onDevicePixelRatioChange()})),"IntersectionObserver"in window){var n=new IntersectionObserver(function(e){return r._onIntersectionChange(e[e.length-1])},{threshold:0});n.observe(i),r.register({dispose:function(){return n.disconnect()}})}return r}i.RenderCoordinator=u},{"../common/EventEmitter2":23,"../common/Lifecycle":24,"../ui/Lifecycle":59,"../ui/RenderDebouncer":60,"../ui/ScreenDprMonitor":61}],44:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./TextRenderLayer"),a=e("./SelectionRenderLayer"),l=e("./CursorRenderLayer"),h=e("./LinkRenderLayer"),c=e("../renderer/CharacterJoinerRegistry"),u=e("../common/Lifecycle"),f=(s=u.Disposable,n(_,s),_.prototype.dispose=function(){s.prototype.dispose.call(this),this._renderLayers.forEach(function(e){return e.dispose()})},_.prototype.onDevicePixelRatioChange=function(){this._devicePixelRatio!==window.devicePixelRatio&&(this._devicePixelRatio=window.devicePixelRatio,this.onResize(this._terminal.cols,this._terminal.rows))},_.prototype.setColors=function(e){var t=this;this._colors=e,this._renderLayers.forEach(function(e){e.setColors(t._terminal,t._colors),e.reset(t._terminal)})},_.prototype.onResize=function(e,t){var i=this;this._updateDimensions(),this._renderLayers.forEach(function(e){return e.resize(i._terminal,i.dimensions)}),this._terminal.screenElement.style.width=this.dimensions.canvasWidth+"px",this._terminal.screenElement.style.height=this.dimensions.canvasHeight+"px"},_.prototype.onCharSizeChanged=function(){this.onResize(this._terminal.cols,this._terminal.rows)},_.prototype.onBlur=function(){var t=this;this._runOperation(function(e){return e.onBlur(t._terminal)})},_.prototype.onFocus=function(){var t=this;this._runOperation(function(e){return e.onFocus(t._terminal)})},_.prototype.onSelectionChanged=function(t,i,r){var n=this;void 0===r&&(r=!1),this._runOperation(function(e){return e.onSelectionChanged(n._terminal,t,i,r)})},_.prototype.onCursorMove=function(){var t=this;this._runOperation(function(e){return e.onCursorMove(t._terminal)})},_.prototype.onOptionsChanged=function(){var t=this;this._runOperation(function(e){return e.onOptionsChanged(t._terminal)})},_.prototype.clear=function(){var t=this;this._runOperation(function(e){return e.reset(t._terminal)})},_.prototype._runOperation=function(t){this._renderLayers.forEach(function(e){return t(e)})},_.prototype.renderRows=function(t,i){var r=this;this._renderLayers.forEach(function(e){return e.onGridChanged(r._terminal,t,i)})},_.prototype._updateDimensions=function(){this._terminal.charMeasure.width&&this._terminal.charMeasure.height&&(this.dimensions.scaledCharWidth=Math.floor(this._terminal.charMeasure.width*window.devicePixelRatio),this.dimensions.scaledCharHeight=Math.ceil(this._terminal.charMeasure.height*window.devicePixelRatio),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._terminal.options.lineHeight),this.dimensions.scaledCharTop=1===this._terminal.options.lineHeight?0:Math.round((this.dimensions.scaledCellHeight-this.dimensions.scaledCharHeight)/2),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._terminal.options.letterSpacing),this.dimensions.scaledCharLeft=Math.floor(this._terminal.options.letterSpacing/2),this.dimensions.scaledCanvasHeight=this._terminal.rows*this.dimensions.scaledCellHeight,this.dimensions.scaledCanvasWidth=this._terminal.cols*this.dimensions.scaledCellWidth,this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._terminal.rows,this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._terminal.cols)},_.prototype.registerCharacterJoiner=function(e){return this._characterJoinerRegistry.registerCharacterJoiner(e)},_.prototype.deregisterCharacterJoiner=function(e){return this._characterJoinerRegistry.deregisterCharacterJoiner(e)},_);function _(e,t){var i=s.call(this)||this;i._terminal=e,i._colors=t;var r=i._terminal.options.allowTransparency;return i._characterJoinerRegistry=new c.CharacterJoinerRegistry(e),i._renderLayers=[new o.TextRenderLayer(i._terminal.screenElement,0,i._colors,i._characterJoinerRegistry,r),new a.SelectionRenderLayer(i._terminal.screenElement,1,i._colors),new h.LinkRenderLayer(i._terminal.screenElement,2,i._colors,i._terminal),new l.CursorRenderLayer(i._terminal.screenElement,3,i._colors)],i.dimensions={scaledCharWidth:null,scaledCharHeight:null,scaledCellWidth:null,scaledCellHeight:null,scaledCharLeft:null,scaledCharTop:null,scaledCanvasWidth:null,scaledCanvasHeight:null,canvasWidth:null,canvasHeight:null,actualCellWidth:null,actualCellHeight:null},i._devicePixelRatio=window.devicePixelRatio,i._updateDimensions(),i.onOptionsChanged(),i}i.Renderer=f},{"../common/Lifecycle":24,"../renderer/CharacterJoinerRegistry":39,"./CursorRenderLayer":40,"./LinkRenderLayer":42,"./SelectionRenderLayer":45,"./TextRenderLayer":46}],45:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./BaseRenderLayer"),a=(s=o.BaseRenderLayer,n(l,s),l.prototype._clearState=function(){this._state={start:null,end:null,columnSelectMode:null,ydisp:null}},l.prototype.resize=function(e,t){s.prototype.resize.call(this,e,t),this._clearState()},l.prototype.reset=function(e){this._state.start&&this._state.end&&(this._clearState(),this.clearAll())},l.prototype.onSelectionChanged=function(e,t,i,r){if(this._didStateChange(t,i,r,e.buffer.ydisp))if(this.clearAll(),t&&i){var n=t[1]-e.buffer.ydisp,s=i[1]-e.buffer.ydisp,o=Math.max(n,0),a=Math.min(s,e.rows-1);if(!(o>=e.rows||a<0)){if(this._ctx.fillStyle=this._colors.selection.css,r){var l=t[0],h=i[0]-l,c=a-o+1;this.fillCells(l,o,h,c)}else{l=n===o?t[0]:0;var u=o===a?i[0]:e.cols;this.fillCells(l,o,u-l,1);var f=Math.max(a-o-1,0);if(this.fillCells(0,o+1,e.cols,f),o!==a){var _=s===a?i[0]:e.cols;this.fillCells(0,a,_,1)}}this._state.start=[t[0],t[1]],this._state.end=[i[0],i[1]],this._state.columnSelectMode=r,this._state.ydisp=e.buffer.ydisp}}else this._clearState()},l.prototype._didStateChange=function(e,t,i,r){return!this._areCoordinatesEqual(e,this._state.start)||!this._areCoordinatesEqual(t,this._state.end)||i!==this._state.columnSelectMode||r!==this._state.ydisp},l.prototype._areCoordinatesEqual=function(e,t){return!(!e||!t)&&e[0]===t[0]&&e[1]===t[1]},l);function l(e,t,i){var r=s.call(this,e,"selection",t,!0,i)||this;return r._clearState(),r}i.SelectionRenderLayer=a},{"./BaseRenderLayer":38}],46:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var o,a=e("./GridCache"),s=e("./BaseRenderLayer"),d=e("../core/buffer/BufferLine"),p=e("./CharacterJoinerRegistry"),l=(o=s.BaseRenderLayer,n(h,o),h.prototype.resize=function(e,t){o.prototype.resize.call(this,e,t);var i=this._getFont(e,!1,!1);this._characterWidth===t.scaledCharWidth&&this._characterFont===i||(this._characterWidth=t.scaledCharWidth,this._characterFont=i,this._characterOverlapCache={}),this._state.clear(),this._state.resize(e.cols,e.rows)},h.prototype.reset=function(e){this._state.clear(),this.clearAll()},h.prototype._forEachCell=function(e,t,i,r,n){for(var s=t;s<=i;s++)for(var o=s+e.buffer.ydisp,a=e.buffer.lines.get(o),l=r?r.getJoinedCharacters(o):[],h=0;h<e.cols;h++){a.loadCell(h,this._workCell);var c=this._workCell,u=!1,f=h;if(0!==c.getWidth()){if(0<l.length&&h===l[0][0]){u=!0;var _=l.shift();c=new p.JoinedCellData(this._workCell,a.translateToString(!0,_[0],_[1]),_[1]-_[0]),f=_[1]-1}!u&&this._isOverlapping(c)&&f<a.length-1&&a.getCodePoint(f+1)===d.NULL_CELL_CODE&&(c.content&=-12582913,c.content|=2<<22),n(c,h,s),h=f}}},h.prototype._drawBackground=function(e,t,i){var n=this,s=this._ctx,o=e.cols,a=0,l=0,h=null;s.save(),this._forEachCell(e,t,i,null,function(e,t,i){var r=null;e.isInverse()?r=e.isFgDefault()?n._colors.foreground.css:e.isFgRGB()?"rgb("+d.AttributeData.toColorRGB(e.getFgColor()).join(",")+")":n._colors.ansi[e.getFgColor()].css:e.isBgRGB()?r="rgb("+d.AttributeData.toColorRGB(e.getBgColor()).join(",")+")":e.isBgPalette()&&(r=n._colors.ansi[e.getBgColor()].css),null===h&&(a=t,l=i),i!==l?(s.fillStyle=h,n.fillCells(a,l,o-a,1),a=t,l=i):h!==r&&(s.fillStyle=h,n.fillCells(a,l,t-a,1),a=t,l=i),h=r}),null!==h&&(s.fillStyle=h,this.fillCells(a,l,o-a,1)),s.restore()},h.prototype._drawForeground=function(n,e,t){var s=this;this._forEachCell(n,e,t,this._characterJoinerRegistry,function(e,t,i){if(!e.isInvisible()&&(s.drawChars(n,e,t,i),e.isUnderline())){if(s._ctx.save(),e.isInverse())e.isBgDefault()?s._ctx.fillStyle=s._colors.background.css:e.isBgRGB()?s._ctx.fillStyle="rgb("+d.AttributeData.toColorRGB(e.getBgColor()).join(",")+")":s._ctx.fillStyle=s._colors.ansi[e.getBgColor()].css;else if(e.isFgDefault())s._ctx.fillStyle=s._colors.foreground.css;else if(e.isFgRGB())s._ctx.fillStyle="rgb("+d.AttributeData.toColorRGB(e.getFgColor()).join(",")+")";else{var r=e.getFgColor();n.options.drawBoldTextInBrightColors&&e.isBold()&&r<8&&(r+=8),s._ctx.fillStyle=s._colors.ansi[r].css}s.fillBottomLineAtCells(t,i,e.getWidth()),s._ctx.restore()}})},h.prototype.onGridChanged=function(e,t,i){0!==this._state.cache.length&&(this._charAtlas&&this._charAtlas.beginFrame(),this.clearCells(0,t,e.cols,i-t+1),this._drawBackground(e,t,i),this._drawForeground(e,t,i))},h.prototype.onOptionsChanged=function(e){this.setTransparency(e,e.options.allowTransparency)},h.prototype._isOverlapping=function(e){if(1!==e.getWidth())return!1;if(e.getCode()<256)return!1;var t=e.getChars();if(this._characterOverlapCache.hasOwnProperty(t))return this._characterOverlapCache[t];this._ctx.save(),this._ctx.font=this._characterFont;var i=Math.floor(this._ctx.measureText(t).width)>this._characterWidth;return this._ctx.restore(),this._characterOverlapCache[t]=i},h);function h(e,t,i,r,n){var s=o.call(this,e,"text",t,n,i)||this;return s._characterOverlapCache={},s._workCell=new d.CellData,s._state=new a.GridCache,s._characterJoinerRegistry=r,s}i.TextRenderLayer=l},{"../core/buffer/BufferLine":29,"./BaseRenderLayer":38,"./CharacterJoinerRegistry":39,"./GridCache":41}],47:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.dispose=function(){},n.prototype.warmUp=function(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)},n.prototype._doWarmUp=function(){},n.prototype.beginFrame=function(){},n);function n(){this._didWarmUp=!1}i.default=r},{}],48:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var h=e("./CharAtlasUtils"),r=e("./DynamicCharAtlas"),n=e("./NoneCharAtlas"),s=e("./StaticCharAtlas"),c={none:n.default,static:s.default,dynamic:r.default},u=[];i.acquireCharAtlas=function(e,t,i,r){for(var n=h.generateConfig(i,r,e,t),s=0;s<u.length;s++){var o=(a=u[s]).ownedBy.indexOf(e);if(0<=o){if(h.configEquals(a.config,n))return a.atlas;1===a.ownedBy.length?(a.atlas.dispose(),u.splice(s,1)):a.ownedBy.splice(o,1);break}}for(s=0;s<u.length;s++){var a=u[s];if(h.configEquals(a.config,n))return a.ownedBy.push(e),a.atlas}var l={atlas:new c[e.options.experimentalCharAtlas](document,n),config:n,ownedBy:[e]};return u.push(l),l.atlas},i.removeTerminalFromCache=function(e){for(var t=0;t<u.length;t++){var i=u[t].ownedBy.indexOf(e);if(-1!==i){1===u[t].ownedBy.length?(u[t].atlas.dispose(),u.splice(t,1)):u[t].ownedBy.splice(i,1);break}}}},{"./CharAtlasUtils":50,"./DynamicCharAtlas":51,"./NoneCharAtlas":53,"./StaticCharAtlas":54}],49:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var u=e("../../common/Platform"),f=e("./Types");function _(e,t){for(var i=!0,r=t.rgba>>>24,n=t.rgba>>>16&255,s=t.rgba>>>8&255,o=0;o<e.data.length;o+=4)e.data[o]===r&&e.data[o+1]===n&&e.data[o+2]===s?e.data[o+3]=0:i=!1;return i}function d(e,t){return e+" "+t.fontSize*t.devicePixelRatio+"px "+t.fontFamily}i.generateStaticCharAtlasTexture=function(e,t,i){var r=i.scaledCharWidth+f.CHAR_ATLAS_CELL_SPACING,n=i.scaledCharHeight+f.CHAR_ATLAS_CELL_SPACING,s=t(255*r,34*n),o=s.getContext("2d",{alpha:i.allowTransparency});o.fillStyle=i.colors.background.css,o.fillRect(0,0,s.width,s.height),o.save(),o.fillStyle=i.colors.foreground.css,o.font=d(i.fontWeight,i),o.textBaseline="middle";for(var a=0;a<256;a++)o.save(),o.beginPath(),o.rect(a*r,0,r,n),o.clip(),o.fillText(String.fromCharCode(a),a*r,n/2),o.restore();for(o.save(),o.font=d(i.fontWeightBold,i),a=0;a<256;a++)o.save(),o.beginPath(),o.rect(a*r,n,r,n),o.clip(),o.fillText(String.fromCharCode(a),a*r,1.5*n),o.restore();o.restore(),o.font=d(i.fontWeight,i);for(var l=0;l<16;l++){var h=(l+2)*n;for(a=0;a<256;a++)o.save(),o.beginPath(),o.rect(a*r,h,r,n),o.clip(),o.fillStyle=i.colors.ansi[l].css,o.fillText(String.fromCharCode(a),a*r,h+n/2),o.restore()}for(o.font=d(i.fontWeightBold,i),l=0;l<16;l++)for(h=(l+2+16)*n,a=0;a<256;a++)o.save(),o.beginPath(),o.rect(a*r,h,r,n),o.clip(),o.fillStyle=i.colors.ansi[l].css,o.fillText(String.fromCharCode(a),a*r,h+n/2),o.restore();if(o.restore(),!("createImageBitmap"in e)||u.isFirefox||u.isSafari)return s;var c=o.getImageData(0,0,s.width,s.height);return _(c,i.colors.background),e.createImageBitmap(c)},i.clearColor=_},{"../../common/Platform":25,"./Types":55}],50:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("../../common/Types");i.generateConfig=function(e,t,i,r){var n={foreground:r.foreground,background:r.background,cursor:null,cursorAccent:null,selection:null,ansi:r.ansi.slice(0,16)};return{type:i.options.experimentalCharAtlas,devicePixelRatio:window.devicePixelRatio,scaledCharWidth:e,scaledCharHeight:t,fontFamily:i.options.fontFamily,fontSize:i.options.fontSize,fontWeight:i.options.fontWeight,fontWeightBold:i.options.fontWeightBold,allowTransparency:i.options.allowTransparency,colors:n}},i.configEquals=function(e,t){for(var i=0;i<e.colors.ansi.length;i++)if(e.colors.ansi[i].rgba!==t.colors.ansi[i].rgba)return!1;return e.type===t.type&&e.devicePixelRatio===t.devicePixelRatio&&e.fontFamily===t.fontFamily&&e.fontSize===t.fontSize&&e.fontWeight===t.fontWeight&&e.fontWeightBold===t.fontWeightBold&&e.allowTransparency===t.allowTransparency&&e.scaledCharWidth===t.scaledCharWidth&&e.scaledCharHeight===t.scaledCharHeight&&e.colors.foreground===t.colors.foreground&&e.colors.background===t.colors.background},i.is256Color=function(e){return e<r.DEFAULT_COLOR}},{"../../common/Types":27}],51:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var c=e("./Types"),s=e("./BaseCharAtlas"),o=e("../../ui/ColorManager"),u=e("./CharAtlasGenerator"),a=e("./LRUMap"),l=e("../../common/Platform"),h={css:"rgba(0, 0, 0, 0)",rgba:0};function f(e){return e.code<<21|e.bg<<12|e.fg<<3|(e.bold?0:4)+(e.dim?0:2)+(e.italic?0:1)}i.getGlyphCacheKey=f;var _,d=(_=s.default,n(p,_),p.prototype.dispose=function(){null!==this._bitmapCommitTimeout&&(window.clearTimeout(this._bitmapCommitTimeout),this._bitmapCommitTimeout=null)},p.prototype.beginFrame=function(){this._drawToCacheCount=0},p.prototype.draw=function(e,t,i,r){if(32===t.code)return!0;if(!this._canCache(t))return!1;var n=f(t),s=this._cacheMap.get(n);if(null!=s)return this._drawFromCache(e,s,i,r),!0;if(this._drawToCacheCount<100){var o=void 0;o=this._cacheMap.size<this._cacheMap.capacity?this._cacheMap.size:this._cacheMap.peek().index;var a=this._drawToCache(t,o);return this._cacheMap.set(n,a),this._drawFromCache(e,a,i,r),!0}return!1},p.prototype._canCache=function(e){return e.code<256},p.prototype._toCoordinateX=function(e){return e%this._width*this._config.scaledCharWidth},p.prototype._toCoordinateY=function(e){return Math.floor(e/this._width)*this._config.scaledCharHeight},p.prototype._drawFromCache=function(e,t,i,r){if(!t.isEmpty){var n=this._toCoordinateX(t.index),s=this._toCoordinateY(t.index);e.drawImage(t.inBitmap?this._bitmap:this._cacheCanvas,n,s,this._config.scaledCharWidth,this._config.scaledCharHeight,i,r,this._config.scaledCharWidth,this._config.scaledCharHeight)}},p.prototype._getColorFromAnsiIndex=function(e){return e<this._config.colors.ansi.length?this._config.colors.ansi[e]:o.DEFAULT_ANSI_COLORS[e]},p.prototype._getBackgroundColor=function(e){return this._config.allowTransparency?h:e.bg===c.INVERTED_DEFAULT_COLOR?this._config.colors.foreground:e.bg<256?this._getColorFromAnsiIndex(e.bg):this._config.colors.background},p.prototype._getForegroundColor=function(e){return e.fg===c.INVERTED_DEFAULT_COLOR?this._config.colors.background:e.fg<256?this._getColorFromAnsiIndex(e.fg):this._config.colors.foreground},p.prototype._drawToCache=function(e,t){this._drawToCacheCount++,this._tmpCtx.save();var i=this._getBackgroundColor(e);this._tmpCtx.globalCompositeOperation="copy",this._tmpCtx.fillStyle=i.css,this._tmpCtx.fillRect(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),this._tmpCtx.globalCompositeOperation="source-over";var r=e.bold?this._config.fontWeightBold:this._config.fontWeight,n=e.italic?"italic":"";this._tmpCtx.font=n+" "+r+" "+this._config.fontSize*this._config.devicePixelRatio+"px "+this._config.fontFamily,this._tmpCtx.textBaseline="middle",this._tmpCtx.fillStyle=this._getForegroundColor(e).css,e.dim&&(this._tmpCtx.globalAlpha=c.DIM_OPACITY),this._tmpCtx.fillText(e.chars,0,this._config.scaledCharHeight/2),this._tmpCtx.restore();var s=this._tmpCtx.getImageData(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),o=!1;this._config.allowTransparency||(o=u.clearColor(s,i));var a=this._toCoordinateX(t),l=this._toCoordinateY(t);this._cacheCtx.putImageData(s,a,l);var h={index:t,isEmpty:o,inBitmap:!1};return this._addGlyphToBitmap(h),h},p.prototype._addGlyphToBitmap=function(e){var t=this;"createImageBitmap"in window&&!l.isFirefox&&!l.isSafari&&(this._glyphsWaitingOnBitmap.push(e),null===this._bitmapCommitTimeout&&(this._bitmapCommitTimeout=window.setTimeout(function(){return t._generateBitmap()},100)))},p.prototype._generateBitmap=function(){var i=this,r=this._glyphsWaitingOnBitmap;this._glyphsWaitingOnBitmap=[],window.createImageBitmap(this._cacheCanvas).then(function(e){i._bitmap=e;for(var t=0;t<r.length;t++)r[t].inBitmap=!0}),this._bitmapCommitTimeout=null},p);function p(e,t){var i=_.call(this)||this;i._config=t,i._drawToCacheCount=0,i._glyphsWaitingOnBitmap=[],i._bitmapCommitTimeout=null,i._bitmap=null,i._cacheCanvas=e.createElement("canvas"),i._cacheCanvas.width=1024,i._cacheCanvas.height=1024,i._cacheCtx=i._cacheCanvas.getContext("2d",{alpha:!0});var r=e.createElement("canvas");r.width=i._config.scaledCharWidth,r.height=i._config.scaledCharHeight,i._tmpCtx=r.getContext("2d",{alpha:i._config.allowTransparency}),i._width=Math.floor(1024/i._config.scaledCharWidth),i._height=Math.floor(1024/i._config.scaledCharHeight);var n=i._width*i._height;return i._cacheMap=new a.default(n),i._cacheMap.prealloc(n),i}i.default=d},{"../../common/Platform":25,"../../ui/ColorManager":58,"./BaseCharAtlas":47,"./CharAtlasGenerator":49,"./LRUMap":52,"./Types":55}],52:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype._unlinkNode=function(e){var t=e.prev,i=e.next;e===this._head&&(this._head=i),e===this._tail&&(this._tail=t),null!==t&&(t.next=i),null!==i&&(i.prev=t)},n.prototype._appendNode=function(e){var t=this._tail;null!==t&&(t.next=e),e.prev=t,e.next=null,this._tail=e,null===this._head&&(this._head=e)},n.prototype.prealloc=function(e){for(var t=this._nodePool,i=0;i<e;i++)t.push({prev:null,next:null,key:null,value:null})},n.prototype.get=function(e){var t=this._map[e];return void 0!==t?(this._unlinkNode(t),this._appendNode(t),t.value):null},n.prototype.peekValue=function(e){var t=this._map[e];return void 0!==t?t.value:null},n.prototype.peek=function(){var e=this._head;return null===e?null:e.value},n.prototype.set=function(e,t){var i=this._map[e];if(void 0!==i)i=this._map[e],this._unlinkNode(i),i.value=t;else if(this.size>=this.capacity)i=this._head,this._unlinkNode(i),delete this._map[i.key],i.key=e,i.value=t,this._map[e]=i;else{var r=this._nodePool;0<r.length?((i=r.pop()).key=e,i.value=t):i={prev:null,next:null,key:e,value:t},this._map[e]=i,this.size++}this._appendNode(i)},n);function n(e){this.capacity=e,this._map={},this._head=null,this._tail=null,this._nodePool=[],this.size=0}i.default=r},{}],53:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("./BaseCharAtlas"),a=(s=o.default,n(l,s),l.prototype.draw=function(e,t,i,r){return!1},l);function l(e,t){return s.call(this)||this}i.default=a},{"./BaseCharAtlas":47}],54:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,a=e("./Types"),o=e("./CharAtlasGenerator"),l=e("./BaseCharAtlas"),h=e("./CharAtlasUtils"),c=e("../../common/Types"),u=(s=l.default,n(f,s),f.prototype._doWarmUp=function(){var t=this,e=o.generateStaticCharAtlasTexture(window,this._canvasFactory,this._config);e instanceof HTMLCanvasElement?this._texture=e:e.then(function(e){t._texture=e})},f.prototype._isCached=function(e,t){var i=e.code<256,r=e.fg<16,n=e.fg===c.DEFAULT_COLOR,s=e.bg===c.DEFAULT_COLOR;return i&&(r||n)&&s&&!e.italic},f.prototype.draw=function(e,t,i,r){if(null===this._texture||void 0===this._texture)return!1;var n=0;if(h.is256Color(t.fg)?n=2+t.fg+(t.bold?16:0):t.fg===c.DEFAULT_COLOR&&t.bold&&(n=1),!this._isCached(t,n))return!1;e.save();var s=this._config.scaledCharWidth+a.CHAR_ATLAS_CELL_SPACING,o=this._config.scaledCharHeight+a.CHAR_ATLAS_CELL_SPACING;return t.dim&&(e.globalAlpha=a.DIM_OPACITY),e.drawImage(this._texture,t.code*s,n*o,s,this._config.scaledCharHeight,i,r,s,this._config.scaledCharHeight),e.restore(),!0},f);function f(e,t){var r=s.call(this)||this;return r._document=e,r._config=t,r._canvasFactory=function(e,t){var i=r._document.createElement("canvas");return i.width=e,i.height=t,i},r}i.default=u},{"../../common/Types":27,"./BaseCharAtlas":47,"./CharAtlasGenerator":49,"./CharAtlasUtils":50,"./Types":55}],55:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0}),i.INVERTED_DEFAULT_COLOR=257,i.DIM_OPACITY=.5,i.CHAR_ATLAS_CELL_SPACING=1},{}],56:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new 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t=this;this.dimensions.scaledCharWidth=this._terminal.charMeasure.width*window.devicePixelRatio,this.dimensions.scaledCharHeight=Math.ceil(this._terminal.charMeasure.height*window.devicePixelRatio),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._terminal.options.letterSpacing),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._terminal.options.lineHeight),this.dimensions.scaledCharLeft=0,this.dimensions.scaledCharTop=0,this.dimensions.scaledCanvasWidth=this.dimensions.scaledCellWidth*this._terminal.cols,this.dimensions.scaledCanvasHeight=this.dimensions.scaledCellHeight*this._terminal.rows,this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._terminal.cols,this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._terminal.rows,this._rowElements.forEach(function(e){e.style.width=t.dimensions.canvasWidth+"px",e.style.height=t.dimensions.actualCellHeight+"px",e.style.lineHeight=t.dimensions.actualCellHeight+"px",e.style.overflow="hidden"}),this._dimensionsStyleElement||(this._dimensionsStyleElement=document.createElement("style"),this._terminal.screenElement.appendChild(this._dimensionsStyleElement));var e=this._terminalSelector+" ."+c+" span { display: inline-block; height: 100%; vertical-align: top; width: "+this.dimensions.actualCellWidth+"px}";this._dimensionsStyleElement.innerHTML=e,this._selectionContainer.style.height=this._terminal._viewportElement.style.height,this._terminal.screenElement.style.width=this.dimensions.canvasWidth+"px",this._terminal.screenElement.style.height=this.dimensions.canvasHeight+"px"},y.prototype.setColors=function(e){this._colors=e,this._injectCss()},y.prototype._injectCss=function(){var i=this;this._themeStyleElement||(this._themeStyleElement=document.createElement("style"),this._terminal.screenElement.appendChild(this._themeStyleElement));var r=this._terminalSelector+" ."+c+" { color: "+this._colors.foreground.css+"; background-color: "+this._colors.background.css+"; font-family: "+this._terminal.options.fontFamily+"; font-size: "+this._terminal.options.fontSize+"px;}";r+=this._terminalSelector+" span:not(."+o.BOLD_CLASS+") { font-weight: "+this._terminal.options.fontWeight+";}"+this._terminalSelector+" span."+o.BOLD_CLASS+" { font-weight: "+this._terminal.options.fontWeightBold+";}"+this._terminalSelector+" span."+o.ITALIC_CLASS+" { font-style: italic;}",r+="@keyframes blink { 0% { opacity: 1.0; } 50% { opacity: 0.0; } 100% { opacity: 1.0; }}",r+=this._terminalSelector+" ."+c+":not(."+_+") ."+o.CURSOR_CLASS+" { outline: 1px solid "+this._colors.cursor.css+"; outline-offset: -1px;}"+this._terminalSelector+" ."+c+"."+_+" ."+o.CURSOR_CLASS+"."+o.CURSOR_BLINK_CLASS+" { animation: blink 1s step-end infinite;}"+this._terminalSelector+" ."+c+"."+_+" ."+o.CURSOR_CLASS+"."+o.CURSOR_STYLE_BLOCK_CLASS+" { background-color: "+this._colors.cursor.css+"; color: "+this._colors.cursorAccent.css+";}"+this._terminalSelector+" ."+c+"."+_+" ."+o.CURSOR_CLASS+"."+o.CURSOR_STYLE_BAR_CLASS+" { box-shadow: 1px 0 0 "+this._colors.cursor.css+" inset;}"+this._terminalSelector+" ."+c+"."+_+" ."+o.CURSOR_CLASS+"."+o.CURSOR_STYLE_UNDERLINE_CLASS+" { box-shadow: 0 -1px 0 "+this._colors.cursor.css+" inset;}",r+=this._terminalSelector+" ."+d+" { position: absolute; top: 0; left: 0; z-index: 1; pointer-events: none;}"+this._terminalSelector+" ."+d+" div { position: absolute; background-color: "+this._colors.selection.css+";}",this._colors.ansi.forEach(function(e,t){r+=i._terminalSelector+" ."+u+t+" { color: "+e.css+"; }"+i._terminalSelector+" ."+f+t+" { background-color: "+e.css+"; }"}),r+=this._terminalSelector+" ."+u+a.INVERTED_DEFAULT_COLOR+" { color: "+this._colors.background.css+"; }"+this._terminalSelector+" ."+f+a.INVERTED_DEFAULT_COLOR+" { background-color: "+this._colors.foreground.css+"; }",this._themeStyleElement.innerHTML=r},y.prototype.onDevicePixelRatioChange=function(){this._updateDimensions()},y.prototype._refreshRowElements=function(e,t){for(var i=this._rowElements.length;i<=t;i++){var r=document.createElement("div");this._rowContainer.appendChild(r),this._rowElements.push(r)}for(;this._rowElements.length>t;)this._rowContainer.removeChild(this._rowElements.pop())},y.prototype.onResize=function(e,t){this._refreshRowElements(e,t),this._updateDimensions()},y.prototype.onCharSizeChanged=function(){this._updateDimensions()},y.prototype.onBlur=function(){this._rowContainer.classList.remove(_)},y.prototype.onFocus=function(){this._rowContainer.classList.add(_)},y.prototype.onSelectionChanged=function(e,t,i){for(;this._selectionContainer.children.length;)this._selectionContainer.removeChild(this._selectionContainer.children[0]);if(e&&t){var r=e[1]-this._terminal.buffer.ydisp,n=t[1]-this._terminal.buffer.ydisp,s=Math.max(r,0),o=Math.min(n,this._terminal.rows-1);if(!(s>=this._terminal.rows||o<0)){var a=document.createDocumentFragment();if(i)a.appendChild(this._createSelectionElement(s,e[0],t[0],o-s+1));else{var l=r===s?e[0]:0,h=s===o?t[0]:this._terminal.cols;a.appendChild(this._createSelectionElement(s,l,h));var c=o-s-1;if(a.appendChild(this._createSelectionElement(s+1,0,this._terminal.cols,c)),s!==o){var u=n===o?t[0]:this._terminal.cols;a.appendChild(this._createSelectionElement(o,0,u))}}this._selectionContainer.appendChild(a)}}},y.prototype._createSelectionElement=function(e,t,i,r){void 0===r&&(r=1);var n=document.createElement("div");return n.style.height=r*this.dimensions.actualCellHeight+"px",n.style.top=e*this.dimensions.actualCellHeight+"px",n.style.left=t*this.dimensions.actualCellWidth+"px",n.style.width=this.dimensions.actualCellWidth*(i-t)+"px",n},y.prototype.onCursorMove=function(){},y.prototype.onOptionsChanged=function(){this._updateDimensions(),this._injectCss(),this._terminal.refresh(0,this._terminal.rows-1)},y.prototype.clear=function(){this._rowElements.forEach(function(e){return e.innerHTML=""})},y.prototype.renderRows=function(e,t){for(var i=this._terminal,r=i.buffer.ybase+i.buffer.y,n=this._terminal.buffer.x,s=this._terminal.options.cursorBlink,o=e;o<=t;o++){var a=this._rowElements[o];a.innerHTML="";var l=o+i.buffer.ydisp,h=i.buffer.lines.get(l),c=i.options.cursorStyle;a.appendChild(this._rowFactory.createRow(h,l===r,c,n,s,this.dimensions.actualCellWidth,i.cols))}},Object.defineProperty(y.prototype,"_terminalSelector",{get:function(){return"."+h+this._terminalClass},enumerable:!0,configurable:!0}),y.prototype.registerCharacterJoiner=function(e){return-1},y.prototype.deregisterCharacterJoiner=function(e){return!1},y.prototype._onLinkHover=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!0)},y.prototype._onLinkLeave=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!1)},y.prototype._setCellUnderline=function(e,t,i,r,n,s){for(;e!==t||i!==r;){var o=this._rowElements[i];if(!o)return;var a=o.children[e];a&&(a.style.textDecoration=s?"underline":"none"),++e>=n&&(e=0,i++)}},y);function y(e,t){var i=s.call(this)||this;return i._terminal=e,i._colors=t,i._terminalClass=p++,i._rowElements=[],i._rowContainer=document.createElement("div"),i._rowContainer.classList.add(c),i._rowContainer.style.lineHeight="normal",i._rowContainer.setAttribute("aria-hidden","true"),i._refreshRowElements(i._terminal.cols,i._terminal.rows),i._selectionContainer=document.createElement("div"),i._selectionContainer.classList.add(d),i._selectionContainer.setAttribute("aria-hidden","true"),i.dimensions={scaledCharWidth:null,scaledCharHeight:null,scaledCellWidth:null,scaledCellHeight:null,scaledCharLeft:null,scaledCharTop:null,scaledCanvasWidth:null,scaledCanvasHeight:null,canvasWidth:null,canvasHeight:null,actualCellWidth:null,actualCellHeight:null},i._updateDimensions(),i._injectCss(),i._rowFactory=new o.DomRendererRowFactory(e.options,document),i._terminal.element.classList.add(h+i._terminalClass),i._terminal.screenElement.appendChild(i._rowContainer),i._terminal.screenElement.appendChild(i._selectionContainer),i._terminal.linkifier.onLinkHover(function(e){return i._onLinkHover(e)}),i._terminal.linkifier.onLinkLeave(function(e){return i._onLinkLeave(e)}),i}i.DomRenderer=m},{"../../common/Lifecycle":24,"../atlas/Types":55,"./DomRendererRowFactory":57}],57:[function(e,t,p){"use strict";Object.defineProperty(p,"__esModule",{value:!0});var m=e("../atlas/Types"),y=e("../../core/buffer/BufferLine");p.BOLD_CLASS="xterm-bold",p.DIM_CLASS="xterm-dim",p.ITALIC_CLASS="xterm-italic",p.UNDERLINE_CLASS="xterm-underline",p.CURSOR_CLASS="xterm-cursor",p.CURSOR_BLINK_CLASS="xterm-cursor-blink",p.CURSOR_STYLE_BLOCK_CLASS="xterm-cursor-block",p.CURSOR_STYLE_BAR_CLASS="xterm-cursor-bar",p.CURSOR_STYLE_UNDERLINE_CLASS="xterm-cursor-underline";var i=(r.prototype.createRow=function(e,t,i,r,n,s,o){for(var a=this._document.createDocumentFragment(),l=0,h=Math.min(e.length,o)-1;0<=h;h--)if(e.loadCell(h,this._workCell).getCode()!==y.NULL_CELL_CODE||t&&h===r){l=h+1;break}for(h=0;h<l;h++){e.loadCell(h,this._workCell);var c=this._workCell.getWidth();if(0!==c){var u=this._document.createElement("span");if(1<c&&(u.style.width=s*c+"px"),t&&h===r)switch(u.classList.add(p.CURSOR_CLASS),n&&u.classList.add(p.CURSOR_BLINK_CLASS),i){case"bar":u.classList.add(p.CURSOR_STYLE_BAR_CLASS);break;case"underline":u.classList.add(p.CURSOR_STYLE_UNDERLINE_CLASS);break;default:u.classList.add(p.CURSOR_STYLE_BLOCK_CLASS)}this._workCell.isBold()&&this._terminalOptions.enableBold&&u.classList.add(p.BOLD_CLASS),this._workCell.isItalic()&&u.classList.add(p.ITALIC_CLASS),this._workCell.isDim()&&u.classList.add(p.DIM_CLASS),this._workCell.isUnderline()&&u.classList.add(p.UNDERLINE_CLASS),u.textContent=this._workCell.getChars()||y.WHITESPACE_CELL_CHAR;var f=this._workCell.isInverse();if(this._workCell.isFgRGB()){var _=u.getAttribute("style")||"";_+=(f?"background-":"")+"color:rgb("+y.AttributeData.toColorRGB(this._workCell.getFgColor()).join(",")+");",u.setAttribute("style",_)}else if(this._workCell.isFgPalette()){var d=this._workCell.getFgColor();this._workCell.isBold()&&d<8&&!f&&this._terminalOptions.enableBold&&this._terminalOptions.drawBoldTextInBrightColors&&(d+=8),u.classList.add("xterm-"+(f?"b":"f")+"g-"+d)}else f&&u.classList.add("xterm-bg-"+m.INVERTED_DEFAULT_COLOR);this._workCell.isBgRGB()?(_=u.getAttribute("style")||"",_+=(f?"":"background-")+"color:rgb("+y.AttributeData.toColorRGB(this._workCell.getBgColor()).join(",")+");",u.setAttribute("style",_)):this._workCell.isBgPalette()?u.classList.add("xterm-"+(f?"f":"b")+"g-"+this._workCell.getBgColor()):f&&u.classList.add("xterm-fg-"+m.INVERTED_DEFAULT_COLOR),a.appendChild(u)}}return a},r);function r(e,t){this._terminalOptions=e,this._document=t,this._workCell=new y.CellData}p.DomRendererRowFactory=i},{"../../core/buffer/BufferLine":29,"../atlas/Types":55}],58:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var s=c("#ffffff"),o=c("#000000"),a=c("#ffffff"),l=c("#000000"),h={css:"rgba(255, 255, 255, 0.3)",rgba:4294967159};function c(e){return{css:e,rgba:parseInt(e.slice(1),16)<<8|255}}function u(e){var t=e.toString(16);return t.length<2?"0"+t:t}n.DEFAULT_ANSI_COLORS=function(){for(var e=[c("#2e3436"),c("#cc0000"),c("#4e9a06"),c("#c4a000"),c("#3465a4"),c("#75507b"),c("#06989a"),c("#d3d7cf"),c("#555753"),c("#ef2929"),c("#8ae234"),c("#fce94f"),c("#729fcf"),c("#ad7fa8"),c("#34e2e2"),c("#eeeeec")],t=[0,95,135,175,215,255],i=0;i<216;i++){var r=t[i/36%6|0],n=t[i/6%6|0],s=t[i%6];e.push({css:"#"+u(r)+u(n)+u(s),rgba:(r<<24|n<<16|s<<8|255)>>>0})}for(i=0;i<24;i++){var o=8+10*i,a=u(o);e.push({css:"#"+a+a+a,rgba:(o<<24|o<<16|o<<8|255)>>>0})}return e}();var i=(r.prototype.setTheme=function(e){void 0===e&&(e={}),this.colors.foreground=this._parseColor(e.foreground,s),this.colors.background=this._parseColor(e.background,o),this.colors.cursor=this._parseColor(e.cursor,a,!0),this.colors.cursorAccent=this._parseColor(e.cursorAccent,l,!0),this.colors.selection=this._parseColor(e.selection,h,!0),this.colors.ansi[0]=this._parseColor(e.black,n.DEFAULT_ANSI_COLORS[0]),this.colors.ansi[1]=this._parseColor(e.red,n.DEFAULT_ANSI_COLORS[1]),this.colors.ansi[2]=this._parseColor(e.green,n.DEFAULT_ANSI_COLORS[2]),this.colors.ansi[3]=this._parseColor(e.yellow,n.DEFAULT_ANSI_COLORS[3]),this.colors.ansi[4]=this._parseColor(e.blue,n.DEFAULT_ANSI_COLORS[4]),this.colors.ansi[5]=this._parseColor(e.magenta,n.DEFAULT_ANSI_COLORS[5]),this.colors.ansi[6]=this._parseColor(e.cyan,n.DEFAULT_ANSI_COLORS[6]),this.colors.ansi[7]=this._parseColor(e.white,n.DEFAULT_ANSI_COLORS[7]),this.colors.ansi[8]=this._parseColor(e.brightBlack,n.DEFAULT_ANSI_COLORS[8]),this.colors.ansi[9]=this._parseColor(e.brightRed,n.DEFAULT_ANSI_COLORS[9]),this.colors.ansi[10]=this._parseColor(e.brightGreen,n.DEFAULT_ANSI_COLORS[10]),this.colors.ansi[11]=this._parseColor(e.brightYellow,n.DEFAULT_ANSI_COLORS[11]),this.colors.ansi[12]=this._parseColor(e.brightBlue,n.DEFAULT_ANSI_COLORS[12]),this.colors.ansi[13]=this._parseColor(e.brightMagenta,n.DEFAULT_ANSI_COLORS[13]),this.colors.ansi[14]=this._parseColor(e.brightCyan,n.DEFAULT_ANSI_COLORS[14]),this.colors.ansi[15]=this._parseColor(e.brightWhite,n.DEFAULT_ANSI_COLORS[15])},r.prototype._parseColor=function(e,t,i){if(void 0===i&&(i=this.allowTransparency),void 0===e)return t;if(this._ctx.fillStyle=this._litmusColor,this._ctx.fillStyle=e,"string"!=typeof this._ctx.fillStyle)return console.warn("Color: "+e+" is invalid using fallback "+t.css),t;this._ctx.fillRect(0,0,1,1);var r=this._ctx.getImageData(0,0,1,1).data;return i||255===r[3]?{css:e,rgba:(r[0]<<24|r[1]<<16|r[2]<<8|r[3])>>>0}:(console.warn("Color: "+e+" is using transparency, but allowTransparency is false. Using fallback "+t.css+"."),t)},r);function r(e,t){this.allowTransparency=t;var i=e.createElement("canvas");i.width=1,i.height=1;var r=i.getContext("2d");if(!r)throw new Error("Could not get rendering context");this._ctx=r,this._ctx.globalCompositeOperation="copy",this._litmusColor=this._ctx.createLinearGradient(0,0,1,1),this.colors={foreground:s,background:o,cursor:a,cursorAccent:l,selection:h,ansi:n.DEFAULT_ANSI_COLORS.slice()}}n.ColorManager=i},{}],59:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0}),i.addDisposableDomListener=function(e,t,i,r){return e.addEventListener(t,i,r),{dispose:function(){i&&e.removeEventListener(t,i,r)}}}},{}],60:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=(n.prototype.dispose=function(){this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},n.prototype.refresh=function(e,t,i){var r=this;this._rowCount=i,e=void 0!==e?e:0,t=void 0!==t?t:this._rowCount-1,this._rowStart=void 0!==this._rowStart?Math.min(this._rowStart,e):e,this._rowEnd=void 0!==this._rowEnd?Math.max(this._rowEnd,t):t,this._animationFrame||(this._animationFrame=window.requestAnimationFrame(function(){return r._innerRefresh()}))},n.prototype._innerRefresh=function(){void 0!==this._rowStart&&void 0!==this._rowEnd&&void 0!==this._rowCount&&(this._rowStart=Math.max(this._rowStart,0),this._rowEnd=Math.min(this._rowEnd,this._rowCount-1),this._renderCallback(this._rowStart,this._rowEnd),this._rowStart=void 0,this._rowEnd=void 0,this._animationFrame=void 0)},n);function n(e){this._renderCallback=e}i.RenderDebouncer=r},{}],61:[function(e,t,i){"use strict";var r,n=this&&this.__extends||(r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])})(e,t)},function(e,t){function i(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)});Object.defineProperty(i,"__esModule",{value:!0});var s,o=e("../common/Lifecycle"),a=(s=o.Disposable,n(l,s),l.prototype.setListener=function(e){var t=this;this._listener&&this.clearListener(),this._listener=e,this._outerListener=function(){t._listener&&(t._listener(window.devicePixelRatio,t._currentDevicePixelRatio),t._updateDpr())},this._updateDpr()},l.prototype.dispose=function(){s.prototype.dispose.call(this),this.clearListener()},l.prototype._updateDpr=function(){this._resolutionMediaMatchList&&this._outerListener&&(this._resolutionMediaMatchList.removeListener(this._outerListener),this._currentDevicePixelRatio=window.devicePixelRatio,this._resolutionMediaMatchList=window.matchMedia("screen and (resolution: "+window.devicePixelRatio+"dppx)"),this._resolutionMediaMatchList.addListener(this._outerListener))},l.prototype.clearListener=function(){this._resolutionMediaMatchList&&this._listener&&this._outerListener&&(this._resolutionMediaMatchList.removeListener(this._outerListener),this._resolutionMediaMatchList=void 0,this._listener=void 0,this._outerListener=void 0)},l);function l(){var e=null!==s&&s.apply(this,arguments)||this;return e._currentDevicePixelRatio=window.devicePixelRatio,e}i.ScreenDprMonitor=a},{"../common/Lifecycle":24}],62:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var r=e("./public/Terminal");t.exports=r.Terminal},{"./public/Terminal":37}]},{},[62])(62)});
\ No newline at end of file
diff --git a/static/xterm/4.4.0/xterm.css b/static/xterm/4.4.0/xterm.css
new file mode 100644
index 0000000000000000000000000000000000000000..ca2525d9639d25593b6ab33c806c1356d6629bff
--- /dev/null
+++ b/static/xterm/4.4.0/xterm.css
@@ -0,0 +1,171 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ * @license MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/**
+ *  Default styles for xterm.js
+ */
+
+.xterm {
+    font-feature-settings: "liga" 0;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.xterm.focus,
+.xterm:focus {
+    outline: none;
+}
+
+.xterm .xterm-helpers {
+    position: absolute;
+    top: 0;
+    /**
+     * The z-index of the helpers must be higher than the canvases in order for
+     * IMEs to appear on top.
+     */
+    z-index: 5;
+}
+
+.xterm .xterm-helper-textarea {
+    /*
+     * HACK: to fix IE's blinking cursor
+     * Move textarea out of the screen to the far left, so that the cursor is not visible.
+     */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -5;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.xterm .composition-view {
+    /* TODO: Composition position got messed up somewhere */
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.xterm .composition-view.active {
+    display: block;
+}
+
+.xterm .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+    cursor: default;
+    position: absolute;
+    right: 0;
+    left: 0;
+    top: 0;
+    bottom: 0;
+}
+
+.xterm .xterm-screen {
+    position: relative;
+}
+
+.xterm .xterm-screen canvas {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.xterm .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    top: 0;
+    left: -9999em;
+    line-height: normal;
+}
+
+.xterm {
+    cursor: text;
+}
+
+.xterm.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.xterm.xterm-cursor-pointer {
+    cursor: pointer;
+}
+
+.xterm.column-select.focus {
+    /* Column selection mode */
+    cursor: crosshair;
+}
+
+.xterm .xterm-accessibility,
+.xterm .xterm-message {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    z-index: 10;
+    color: transparent;
+}
+
+.xterm .live-region {
+    position: absolute;
+    left: -9999px;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+}
+
+.xterm-dim {
+    opacity: 0.5;
+}
+
+.xterm-underline {
+    text-decoration: underline;
+}
\ No newline at end of file
diff --git a/static/xterm/4.4.0/xterm.min.js b/static/xterm/4.4.0/xterm.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..cccd5fd997417ec2abbb4a9b879a6ebe166e33c5
--- /dev/null
+++ b/static/xterm/4.4.0/xterm.min.js
@@ -0,0 +1,2 @@
+!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var r=t();for(var i in r)("object"==typeof exports?exports:e)[i]=r[i]}}(window,function(){return function(e){var t={};function r(i){if(t[i])return t[i].exports;var n=t[i]={i:i,l:!1,exports:{}};return e[i].call(n.exports,n,n.exports,r),n.l=!0,n.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(r.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var n in e)r.d(i,n,function(t){return e[t]}.bind(null,n));return i},r.n=function(e){var 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if(e.isBgDefault())this._ctx.fillStyle=c.color.opaque(this._colors.background).css;else if(e.isBgRGB())this._ctx.fillStyle="rgb("+s.AttributeData.toColorRGB(e.getBgColor()).join(",")+")";else{var o=e.getBgColor();this._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&o<8&&(o+=8),this._ctx.fillStyle=this._colors.ansi[o].css}else if(i)this._ctx.fillStyle=i.css;else if(e.isFgDefault())this._ctx.fillStyle=this._colors.foreground.css;else if(e.isFgRGB())this._ctx.fillStyle="rgb("+s.AttributeData.toColorRGB(e.getFgColor()).join(",")+")";else{var a=e.getFgColor();this._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&a<8&&(a+=8),this._ctx.fillStyle=this._colors.ansi[a].css}this._clipRow(r),e.isDim()&&(this._ctx.globalAlpha=n.DIM_OPACITY),this._ctx.fillText(e.getChars(),t*this._scaledCellWidth+this._scaledCharLeft,r*this._scaledCellHeight+this._scaledCharTop+this._scaledCharHeight/2),this._ctx.restore()},e.prototype._clipRow=function(e){this._ctx.beginPath(),this._ctx.rect(0,e*this._scaledCellHeight,this._bufferService.cols*this._scaledCellWidth,this._scaledCellHeight),this._ctx.clip()},e.prototype._getFont=function(e,t){return(t?"italic":"")+" "+(e?this._optionsService.options.fontWeightBold:this._optionsService.options.fontWeight)+" "+this._optionsService.options.fontSize*window.devicePixelRatio+"px "+this._optionsService.options.fontFamily},e.prototype._getContrastColor=function(e){if(1!==this._optionsService.options.minimumContrastRatio){var t=this._colors.contrastCache.getColor(e.bg,e.fg);if(void 0!==t)return t||void 0;var r=e.getFgColor(),i=e.getFgColorMode(),n=e.getBgColor(),o=e.getBgColorMode(),s=!!e.isInverse(),a=!!e.isInverse();if(s){var l=r;r=n,n=l;var h=i;i=o,o=h}var u=this._resolveBackgroundRgba(o,n,s),f=this._resolveForegroundRgba(i,r,s,a),_=c.rgba.ensureContrastRatio(u,f,this._optionsService.options.minimumContrastRatio);if(_){var d={css:c.channels.toCss(_>>24&255,_>>16&255,_>>8&255),rgba:_};return this._colors.contrastCache.setColor(e.bg,e.fg,d),d}this._colors.contrastCache.setColor(e.bg,e.fg,null)}},e.prototype._resolveBackgroundRgba=function(e,t,r){switch(e){case 16777216:case 33554432:return this._colors.ansi[t].rgba;case 50331648:return t<<8;case 0:default:return r?this._colors.foreground.rgba:this._colors.background.rgba}},e.prototype._resolveForegroundRgba=function(e,t,r,i){switch(e){case 16777216:case 33554432:return this._optionsService.options.drawBoldTextInBrightColors&&i&&t<8&&(t+=8),this._colors.ansi[t].rgba;case 50331648:return t<<8;case 0:default:return 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this._core.getSelectionPosition()},e.prototype.clearSelection=function(){this._core.clearSelection()},e.prototype.selectAll=function(){this._core.selectAll()},e.prototype.selectLines=function(e,t){this._verifyIntegers(e,t),this._core.selectLines(e,t)},e.prototype.dispose=function(){this._addonManager.dispose(),this._core.dispose()},e.prototype.scrollLines=function(e){this._verifyIntegers(e),this._core.scrollLines(e)},e.prototype.scrollPages=function(e){this._verifyIntegers(e),this._core.scrollPages(e)},e.prototype.scrollToTop=function(){this._core.scrollToTop()},e.prototype.scrollToBottom=function(){this._core.scrollToBottom()},e.prototype.scrollToLine=function(e){this._verifyIntegers(e),this._core.scrollToLine(e)},e.prototype.clear=function(){this._core.clear()},e.prototype.write=function(e,t){this._core.write(e,t)},e.prototype.writeUtf8=function(e,t){this._core.write(e,t)},e.prototype.writeln=function(e,t){this._core.write(e),this._core.write("\r\n",t)},e.prototype.paste=function(e){this._core.paste(e)},e.prototype.getOption=function(e){return this._core.optionsService.getOption(e)},e.prototype.setOption=function(e,t){this._core.optionsService.setOption(e,t)},e.prototype.refresh=function(e,t){this._verifyIntegers(e,t),this._core.refresh(e,t)},e.prototype.reset=function(){this._core.reset()},e.prototype.loadAddon=function(e){return this._addonManager.loadAddon(this,e)},Object.defineProperty(e,"strings",{get:function(){return o},enumerable:!0,configurable:!0}),e.prototype._verifyIntegers=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];e.forEach(function(e){if(e===1/0||isNaN(e)||e%1!=0)throw new Error("This API only accepts integers")})},e}();t.Terminal=a;var c=function(){function e(e){this._buffer=e}return Object.defineProperty(e.prototype,"cursorY",{get:function(){return this._buffer.y},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"cursorX",{get:function(){return this._buffer.x},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewportY",{get:function(){return this._buffer.ydisp},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"baseY",{get:function(){return this._buffer.ybase},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"length",{get:function(){return this._buffer.lines.length},enumerable:!0,configurable:!0}),e.prototype.getLine=function(e){var t=this._buffer.lines.get(e);if(t)return new l(t)},e.prototype.getNullCell=function(){return new i.CellData},e}(),l=function(){function e(e){this._line=e}return Object.defineProperty(e.prototype,"isWrapped",{get:function(){return this._line.isWrapped},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"length",{get:function(){return this._line.length},enumerable:!0,configurable:!0}),e.prototype.getCell=function(e,t){if(!(e<0||e>=this._line.length))return t?(this._line.loadCell(e,t),t):this._line.loadCell(e,new i.CellData)},e.prototype.translateToString=function(e,t,r){return this._line.translateToString(e,t,r)},e}(),h=function(){function e(e){this._core=e}return e.prototype.registerCsiHandler=function(e,t){return this._core.addCsiHandler(e,function(e){return t(e.toArray())})},e.prototype.addCsiHandler=function(e,t){return this.registerCsiHandler(e,t)},e.prototype.registerDcsHandler=function(e,t){return this._core.addDcsHandler(e,function(e,r){return t(e,r.toArray())})},e.prototype.addDcsHandler=function(e,t){return this.registerDcsHandler(e,t)},e.prototype.registerEscHandler=function(e,t){return this._core.addEscHandler(e,t)},e.prototype.addEscHandler=function(e,t){return this.registerEscHandler(e,t)},e.prototype.registerOscHandler=function(e,t){return this._core.addOscHandler(e,t)},e.prototype.addOscHandler=function(e,t){return this.registerOscHandler(e,t)},e}(),u=function(){function e(e){this._core=e}return e.prototype.register=function(e){this._core.unicodeService.register(e)},Object.defineProperty(e.prototype,"versions",{get:function(){return this._core.unicodeService.versions},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"activeVersion",{get:function(){return this._core.unicodeService.activeVersion},set:function(e){this._core.unicodeService.activeVersion=e},enumerable:!0,configurable:!0}),e}()},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(34),s=r(35),a=r(36),c=r(12),l=r(37),h=r(39),u=r(49),f=r(50),_=r(11),d=r(8),p=r(17),v=r(53),g=r(54),y=r(55),b=r(56),m=r(58),S=r(1),C=r(16),w=r(59),E=r(25),L=r(60),A=r(0),R=r(61),x=r(4),k=r(62),D=r(63),T=r(2),O=r(69),M=r(70),P=r(71),H=r(72),I=r(73),B=r(74),F=r(75),j=r(76),W=r(77),q=r(79),U="undefined"!=typeof window?window.document:null,N=function(e){function t(t){void 0===t&&(t={});var r=e.call(this)||this;return r.browser=_,r.mouseEvents=0,r._keyDownHandled=!1,r._blankLine=null,r._onCursorMove=new S.EventEmitter,r._onData=new S.EventEmitter,r._onBinary=new S.EventEmitter,r._onKey=new S.EventEmitter,r._onLineFeed=new S.EventEmitter,r._onRender=new S.EventEmitter,r._onResize=new S.EventEmitter,r._onScroll=new S.EventEmitter,r._onSelectionChange=new S.EventEmitter,r._onTitleChange=new S.EventEmitter,r._onFocus=new S.EventEmitter,r._onBlur=new S.EventEmitter,r.onA11yCharEmitter=new S.EventEmitter,r.onA11yTabEmitter=new S.EventEmitter,r._instantiationService=new I.InstantiationService,r.optionsService=new R.OptionsService(t),r._instantiationService.setService(A.IOptionsService,r.optionsService),r._bufferService=r._instantiationService.createInstance(D.BufferService),r._instantiationService.setService(A.IBufferService,r._bufferService),r._logService=r._instantiationService.createInstance(P.LogService),r._instantiationService.setService(A.ILogService,r._logService),r._coreService=r._instantiationService.createInstance(M.CoreService,function(){return r.scrollToBottom()}),r._instantiationService.setService(A.ICoreService,r._coreService),r._coreService.onData(function(e){return r._onData.fire(e)}),r._coreService.onBinary(function(e){return r._onBinary.fire(e)}),r._coreMouseService=r._instantiationService.createInstance(B.CoreMouseService),r._instantiationService.setService(A.ICoreMouseService,r._coreMouseService),r._dirtyRowService=r._instantiationService.createInstance(H.DirtyRowService),r._instantiationService.setService(A.IDirtyRowService,r._dirtyRowService),r.unicodeService=r._instantiationService.createInstance(W.UnicodeService),r._instantiationService.setService(A.IUnicodeService,r.unicodeService),r._charsetService=r._instantiationService.createInstance(q.CharsetService),r._instantiationService.setService(A.ICharsetService,r._charsetService),r._setupOptionsListeners(),r._setup(),r._writeBuffer=new F.WriteBuffer(function(e){return r._inputHandler.parse(e)}),r}return n(t,e),Object.defineProperty(t.prototype,"options",{get:function(){return this.optionsService.options},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"cols",{get:function(){return this._bufferService.cols},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"rows",{get:function(){return this._bufferService.rows},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onCursorMove",{get:function(){return this._onCursorMove.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onData",{get:function(){return this._onData.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onBinary",{get:function(){return this._onBinary.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onKey",{get:function(){return this._onKey.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onLineFeed",{get:function(){return this._onLineFeed.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onRender",{get:function(){return this._onRender.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onResize",{get:function(){return this._onResize.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onScroll",{get:function(){return this._onScroll.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onSelectionChange",{get:function(){return this._onSelectionChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onTitleChange",{get:function(){return this._onTitleChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onFocus",{get:function(){return this._onFocus.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onBlur",{get:function(){return this._onBlur.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onA11yChar",{get:function(){return this.onA11yCharEmitter.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onA11yTab",{get:function(){return this.onA11yTabEmitter.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){var t,r,i,n;this._isDisposed||(e.prototype.dispose.call(this),null===(t=this._windowsMode)||void 0===t||t.dispose(),this._windowsMode=void 0,null===(r=this._renderService)||void 0===r||r.dispose(),this._customKeyEventHandler=null,this.write=function(){},null===(n=null===(i=this.element)||void 0===i?void 0:i.parentNode)||void 0===n||n.removeChild(this.element))},t.prototype._setup=function(){var e=this;this._customKeyEventHandler=null,this.insertMode=!1,this.bracketedPasteMode=!1,this._userScrolling=!1,this._inputHandler?this._inputHandler.reset():(this._inputHandler=new l.InputHandler(this,this._bufferService,this._charsetService,this._coreService,this._dirtyRowService,this._logService,this.optionsService,this._coreMouseService,this.unicodeService,this._instantiationService),this._inputHandler.onRequestBell(function(){return e.bell()}),this._inputHandler.onRequestRefreshRows(function(t,r){return e.refresh(t,r)}),this._inputHandler.onRequestReset(function(){return e.reset()}),this._inputHandler.onCursorMove(function(){return e._onCursorMove.fire()}),this._inputHandler.onLineFeed(function(){return e._onLineFeed.fire()}),this.register(this._inputHandler)),this.linkifier||(this.linkifier=new u.Linkifier(this._bufferService,this._logService,this.optionsService,this.unicodeService)),this.options.windowsMode&&this._enableWindowsMode()},t.prototype._enableWindowsMode=function(){var e=this;if(!this._windowsMode){var t=[];t.push(this.onLineFeed(w.updateWindowsModeWrappedState.bind(null,this._bufferService))),t.push(this.addCsiHandler({final:"H"},function(){return w.updateWindowsModeWrappedState(e._bufferService),!1})),this._windowsMode={dispose:function(){t.forEach(function(e){return e.dispose()})}}}},Object.defineProperty(t.prototype,"buffer",{get:function(){return this.buffers.active},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"buffers",{get:function(){return this._bufferService.buffers},enumerable:!0,configurable:!0}),t.prototype.focus=function(){this.textarea&&this.textarea.focus({preventScroll:!0})},t.prototype._setupOptionsListeners=function(){var e=this;this.optionsService.onOptionChange(function(t){var r,i,n,o,s;switch(t){case"fontFamily":case"fontSize":null===(r=e._renderService)||void 0===r||r.clear(),null===(i=e._charSizeService)||void 0===i||i.measure();break;case"cursorBlink":case"cursorStyle":e.refresh(e.buffer.y,e.buffer.y);break;case"drawBoldTextInBrightColors":case"letterSpacing":case"lineHeight":case"fontWeight":case"fontWeightBold":case"minimumContrastRatio":e._renderService&&(e._renderService.clear(),e._renderService.onResize(e.cols,e.rows),e.refresh(0,e.rows-1));break;case"rendererType":e._renderService&&(e._renderService.setRenderer(e._createRenderer()),e._renderService.onResize(e.cols,e.rows));break;case"scrollback":e.buffers.resize(e.cols,e.rows),null===(n=e.viewport)||void 0===n||n.syncScrollArea();break;case"screenReaderMode":e.optionsService.options.screenReaderMode?!e._accessibilityManager&&e._renderService&&(e._accessibilityManager=new y.AccessibilityManager(e,e._renderService)):(null===(o=e._accessibilityManager)||void 0===o||o.dispose(),e._accessibilityManager=null);break;case"tabStopWidth":e.buffers.setupTabStops();break;case"theme":e._setTheme(e.optionsService.options.theme);break;case"windowsMode":e.optionsService.options.windowsMode?e._enableWindowsMode():(null===(s=e._windowsMode)||void 0===s||s.dispose(),e._windowsMode=void 0)}})},t.prototype._onTextAreaFocus=function(e){this.sendFocus&&this._coreService.triggerDataEvent(c.C0.ESC+"[I"),this.updateCursorStyle(e),this.element.classList.add("focus"),this.showCursor(),this._onFocus.fire()},t.prototype.blur=function(){return this.textarea.blur()},t.prototype._onTextAreaBlur=function(){this.textarea.value="",this.refresh(this.buffer.y,this.buffer.y),this.sendFocus&&this._coreService.triggerDataEvent(c.C0.ESC+"[O"),this.element.classList.remove("focus"),this._onBlur.fire()},t.prototype._initGlobal=function(){var e=this;this._bindKeys(),this.register(d.addDisposableDomListener(this.element,"copy",function(t){e.hasSelection()&&a.copyHandler(t,e._selectionService)}));var t=function(t){return a.handlePasteEvent(t,e.textarea,e.bracketedPasteMode,e._coreService)};this.register(d.addDisposableDomListener(this.textarea,"paste",t)),this.register(d.addDisposableDomListener(this.element,"paste",t)),_.isFirefox?this.register(d.addDisposableDomListener(this.element,"mousedown",function(t){2===t.button&&a.rightClickHandler(t,e.textarea,e.screenElement,e._selectionService,e.options.rightClickSelectsWord)})):this.register(d.addDisposableDomListener(this.element,"contextmenu",function(t){a.rightClickHandler(t,e.textarea,e.screenElement,e._selectionService,e.options.rightClickSelectsWord)})),_.isLinux&&this.register(d.addDisposableDomListener(this.element,"auxclick",function(t){1===t.button&&a.moveTextAreaUnderMouseCursor(t,e.textarea,e.screenElement)}))},t.prototype._bindKeys=function(){var e=this;this.register(d.addDisposableDomListener(this.textarea,"keyup",function(t){return e._keyUp(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"keydown",function(t){return e._keyDown(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"keypress",function(t){return e._keyPress(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"compositionstart",function(){return e._compositionHelper.compositionstart()})),this.register(d.addDisposableDomListener(this.textarea,"compositionupdate",function(t){return e._compositionHelper.compositionupdate(t)})),this.register(d.addDisposableDomListener(this.textarea,"compositionend",function(){return e._compositionHelper.compositionend()})),this.register(this.onRender(function(){return e._compositionHelper.updateCompositionElements()})),this.register(this.onRender(function(t){return e._queueLinkification(t.start,t.end)}))},t.prototype.open=function(e){var t=this;if(!e)throw new Error("Terminal requires a parent element.");U.body.contains(e)||this._logService.warn("Terminal.open was called on an element that was not attached to the DOM"),this._document=e.ownerDocument,this.element=this._document.createElement("div"),this.element.dir="ltr",this.element.classList.add("terminal"),this.element.classList.add("xterm"),this.element.setAttribute("tabindex","0"),e.appendChild(this.element);var r=U.createDocumentFragment();this._viewportElement=U.createElement("div"),this._viewportElement.classList.add("xterm-viewport"),r.appendChild(this._viewportElement),this._viewportScrollArea=U.createElement("div"),this._viewportScrollArea.classList.add("xterm-scroll-area"),this._viewportElement.appendChild(this._viewportScrollArea),this.screenElement=U.createElement("div"),this.screenElement.classList.add("xterm-screen"),this._helperContainer=U.createElement("div"),this._helperContainer.classList.add("xterm-helpers"),this.screenElement.appendChild(this._helperContainer),r.appendChild(this.screenElement),this.textarea=U.createElement("textarea"),this.textarea.classList.add("xterm-helper-textarea"),this.textarea.setAttribute("aria-label",p.promptLabel),this.textarea.setAttribute("aria-multiline","false"),this.textarea.setAttribute("autocorrect","off"),this.textarea.setAttribute("autocapitalize","off"),this.textarea.setAttribute("spellcheck","false"),this.textarea.tabIndex=0,this.register(d.addDisposableDomListener(this.textarea,"focus",function(e){return t._onTextAreaFocus(e)})),this.register(d.addDisposableDomListener(this.textarea,"blur",function(){return t._onTextAreaBlur()})),this._helperContainer.appendChild(this.textarea);var i=this._instantiationService.createInstance(j.CoreBrowserService,this.textarea);this._instantiationService.setService(x.ICoreBrowserService,i),this._charSizeService=this._instantiationService.createInstance(k.CharSizeService,this._document,this._helperContainer),this._instantiationService.setService(x.ICharSizeService,this._charSizeService),this._compositionView=U.createElement("div"),this._compositionView.classList.add("composition-view"),this._compositionHelper=this._instantiationService.createInstance(o.CompositionHelper,this.textarea,this._compositionView),this._helperContainer.appendChild(this._compositionView),this.element.appendChild(r),this._theme=this.options.theme||this._theme,this.options.theme=void 0,this._colorManager=new E.ColorManager(U,this.options.allowTransparency),this.optionsService.onOptionChange(function(e){return t._colorManager.onOptionsChange(e)}),this._colorManager.setTheme(this._theme);var n=this._createRenderer();this._renderService=this._instantiationService.createInstance(L.RenderService,n,this.rows,this.screenElement),this._instantiationService.setService(x.IRenderService,this._renderService),this._renderService.onRender(function(e){return t._onRender.fire(e)}),this.onResize(function(e){return t._renderService.resize(e.cols,e.rows)}),this._soundService=this._instantiationService.createInstance(v.SoundService),this._instantiationService.setService(x.ISoundService,this._soundService),this._mouseService=this._instantiationService.createInstance(O.MouseService),this._instantiationService.setService(x.IMouseService,this._mouseService),this.viewport=this._instantiationService.createInstance(s.Viewport,function(e,r){return t.scrollLines(e,r)},this._viewportElement,this._viewportScrollArea),this.viewport.onThemeChange(this._colorManager.colors),this.register(this.viewport),this.register(this.onCursorMove(function(){return t._renderService.onCursorMove()})),this.register(this.onResize(function(){return t._renderService.onResize(t.cols,t.rows)})),this.register(this.onBlur(function(){return t._renderService.onBlur()})),this.register(this.onFocus(function(){return t._renderService.onFocus()})),this.register(this._renderService.onDimensionsChange(function(){return t.viewport.syncScrollArea()})),this._selectionService=this._instantiationService.createInstance(f.SelectionService,function(e,r){return t.scrollLines(e,r)},this.element,this.screenElement),this._instantiationService.setService(x.ISelectionService,this._selectionService),this.register(this._selectionService.onSelectionChange(function(){return t._onSelectionChange.fire()})),this.register(this._selectionService.onRedrawRequest(function(e){return t._renderService.onSelectionChanged(e.start,e.end,e.columnSelectMode)})),this.register(this._selectionService.onLinuxMouseSelection(function(e){t.textarea.value=e,t.textarea.focus(),t.textarea.select()})),this.register(this.onScroll(function(){t.viewport.syncScrollArea(),t._selectionService.refresh()})),this.register(d.addDisposableDomListener(this._viewportElement,"scroll",function(){return t._selectionService.refresh()})),this._mouseZoneManager=this._instantiationService.createInstance(g.MouseZoneManager,this.element,this.screenElement),this.register(this._mouseZoneManager),this.register(this.onScroll(function(){return t._mouseZoneManager.clearAll()})),this.linkifier.attachToDom(this.element,this._mouseZoneManager),this.register(d.addDisposableDomListener(this.element,"mousedown",function(e){return t._selectionService.onMouseDown(e)})),this.mouseEvents?(this._selectionService.disable(),this.element.classList.add("enable-mouse-events")):this._selectionService.enable(),this.options.screenReaderMode&&(this._accessibilityManager=new y.AccessibilityManager(this,this._renderService)),this._charSizeService.measure(),this.refresh(0,this.rows-1),this._initGlobal(),this.bindMouse()},t.prototype._createRenderer=function(){switch(this.options.rendererType){case"canvas":return this._instantiationService.createInstance(h.Renderer,this._colorManager.colors,this.screenElement,this.linkifier);case"dom":return this._instantiationService.createInstance(b.DomRenderer,this._colorManager.colors,this.element,this.screenElement,this._viewportElement,this.linkifier);default:throw new Error('Unrecognized rendererType "'+this.options.rendererType+'"')}},t.prototype._setTheme=function(e){var t,r,i;this._theme=e,null===(t=this._colorManager)||void 0===t||t.setTheme(e),null===(r=this._renderService)||void 0===r||r.setColors(this._colorManager.colors),null===(i=this.viewport)||void 0===i||i.onThemeChange(this._colorManager.colors)},t.prototype.bindMouse=function(){var e=this,t=this,r=this.element;function i(e){var r,i,n;if(!(r=t._mouseService.getRawByteCoords(e,t.screenElement,t.cols,t.rows)))return!1;switch(e.overrideType||e.type){case"mousemove":n=32,void 0===e.buttons?(i=3,void 0!==e.button&&(i=e.button<3?e.button:3)):i=1&e.buttons?0:4&e.buttons?1:2&e.buttons?2:3;break;case"mouseup":n=0,i=e.button<3?e.button:3;break;case"mousedown":n=1,i=e.button<3?e.button:3;break;case"wheel":0!==e.deltaY&&(n=e.deltaY<0?0:1),i=4;break;default:return!1}return!(void 0===n||void 0===i||i>4)&&t._coreMouseService.triggerMouseEvent({col:r.x-33,row:r.y-33,button:i,action:n,ctrl:e.ctrlKey,alt:e.altKey,shift:e.shiftKey})}var n={mouseup:null,wheel:null,mousedrag:null,mousemove:null},o=function(t){return i(t),t.buttons||(e._document.removeEventListener("mouseup",n.mouseup),n.mousedrag&&e._document.removeEventListener("mousemove",n.mousedrag)),e.cancel(t)},s=function(t){return i(t),t.preventDefault(),e.cancel(t)},a=function(e){e.buttons&&i(e)},l=function(e){e.buttons||i(e)};this._coreMouseService.onProtocolChange(function(t){e.mouseEvents=t,t?("debug"===e.optionsService.options.logLevel&&e._logService.debug("Binding to mouse events:",e._coreMouseService.explainEvents(t)),e.element.classList.add("enable-mouse-events"),e._selectionService.disable()):(e._logService.debug("Unbinding from mouse events."),e.element.classList.remove("enable-mouse-events"),e._selectionService.enable()),8&t?n.mousemove||(r.addEventListener("mousemove",l),n.mousemove=l):(r.removeEventListener("mousemove",n.mousemove),n.mousemove=null),16&t?n.wheel||(r.addEventListener("wheel",s),n.wheel=s):(r.removeEventListener("wheel",n.wheel),n.wheel=null),2&t?n.mouseup||(n.mouseup=o):(e._document.removeEventListener("mouseup",n.mouseup),n.mouseup=null),4&t?n.mousedrag||(n.mousedrag=a):(e._document.removeEventListener("mousemove",n.mousedrag),n.mousedrag=null)}),this._coreMouseService.activeProtocol=this._coreMouseService.activeProtocol,this.register(d.addDisposableDomListener(r,"mousedown",function(t){if(t.preventDefault(),e.focus(),e.mouseEvents&&!e._selectionService.shouldForceSelection(t))return i(t),n.mouseup&&e._document.addEventListener("mouseup",n.mouseup),n.mousedrag&&e._document.addEventListener("mousemove",n.mousedrag),e.cancel(t)})),this.register(d.addDisposableDomListener(r,"wheel",function(t){if(n.wheel);else if(!e.buffer.hasScrollback){var r=e.viewport.getLinesScrolled(t);if(0===r)return;for(var i=c.C0.ESC+(e._coreService.decPrivateModes.applicationCursorKeys?"O":"[")+(t.deltaY<0?"A":"B"),o="",s=0;s<Math.abs(r);s++)o+=i;e._coreService.triggerDataEvent(o,!0)}})),this.register(d.addDisposableDomListener(r,"wheel",function(t){if(!n.wheel)return e.viewport.onWheel(t)?void 0:e.cancel(t)})),this.register(d.addDisposableDomListener(r,"touchstart",function(t){if(!e.mouseEvents)return e.viewport.onTouchStart(t),e.cancel(t)})),this.register(d.addDisposableDomListener(r,"touchmove",function(t){if(!e.mouseEvents)return e.viewport.onTouchMove(t)?void 0:e.cancel(t)}))},t.prototype.refresh=function(e,t){var r;null===(r=this._renderService)||void 0===r||r.refreshRows(e,t)},t.prototype._queueLinkification=function(e,t){var r;null===(r=this.linkifier)||void 0===r||r.linkifyRows(e,t)},t.prototype.updateCursorStyle=function(e){this._selectionService&&this._selectionService.shouldColumnSelect(e)?this.element.classList.add("column-select"):this.element.classList.remove("column-select")},t.prototype.showCursor=function(){this._coreService.isCursorInitialized||(this._coreService.isCursorInitialized=!0,this.refresh(this.buffer.y,this.buffer.y))},t.prototype.scroll=function(e,t){var r;void 0===t&&(t=!1),(r=this._blankLine)&&r.length===this.cols&&r.getFg(0)===e.fg&&r.getBg(0)===e.bg||(r=this.buffer.getBlankLine(e,t),this._blankLine=r),r.isWrapped=t;var i=this.buffer.ybase+this.buffer.scrollTop,n=this.buffer.ybase+this.buffer.scrollBottom;if(0===this.buffer.scrollTop){var o=this.buffer.lines.isFull;n===this.buffer.lines.length-1?o?this.buffer.lines.recycle().copyFrom(r):this.buffer.lines.push(r.clone()):this.buffer.lines.splice(n+1,0,r.clone()),o?this._userScrolling&&(this.buffer.ydisp=Math.max(this.buffer.ydisp-1,0)):(this.buffer.ybase++,this._userScrolling||this.buffer.ydisp++)}else{var s=n-i+1;this.buffer.lines.shiftElements(i+1,s-1,-1),this.buffer.lines.set(n,r.clone())}this._userScrolling||(this.buffer.ydisp=this.buffer.ybase),this._dirtyRowService.markRangeDirty(this.buffer.scrollTop,this.buffer.scrollBottom),this._onScroll.fire(this.buffer.ydisp)},t.prototype.scrollLines=function(e,t){if(e<0){if(0===this.buffer.ydisp)return;this._userScrolling=!0}else e+this.buffer.ydisp>=this.buffer.ybase&&(this._userScrolling=!1);var r=this.buffer.ydisp;this.buffer.ydisp=Math.max(Math.min(this.buffer.ydisp+e,this.buffer.ybase),0),r!==this.buffer.ydisp&&(t||this._onScroll.fire(this.buffer.ydisp),this.refresh(0,this.rows-1))},t.prototype.scrollPages=function(e){this.scrollLines(e*(this.rows-1))},t.prototype.scrollToTop=function(){this.scrollLines(-this.buffer.ydisp)},t.prototype.scrollToBottom=function(){this.scrollLines(this.buffer.ybase-this.buffer.ydisp)},t.prototype.scrollToLine=function(e){var t=e-this.buffer.ydisp;0!==t&&this.scrollLines(t)},t.prototype.paste=function(e){a.paste(e,this.textarea,this.bracketedPasteMode,this._coreService)},t.prototype.attachCustomKeyEventHandler=function(e){this._customKeyEventHandler=e},t.prototype.addEscHandler=function(e,t){return this._inputHandler.addEscHandler(e,t)},t.prototype.addDcsHandler=function(e,t){return this._inputHandler.addDcsHandler(e,t)},t.prototype.addCsiHandler=function(e,t){return this._inputHandler.addCsiHandler(e,t)},t.prototype.addOscHandler=function(e,t){return this._inputHandler.addOscHandler(e,t)},t.prototype.registerLinkMatcher=function(e,t,r){var i=this.linkifier.registerLinkMatcher(e,t,r);return this.refresh(0,this.rows-1),i},t.prototype.deregisterLinkMatcher=function(e){this.linkifier.deregisterLinkMatcher(e)&&this.refresh(0,this.rows-1)},t.prototype.registerCharacterJoiner=function(e){var t=this._renderService.registerCharacterJoiner(e);return this.refresh(0,this.rows-1),t},t.prototype.deregisterCharacterJoiner=function(e){this._renderService.deregisterCharacterJoiner(e)&&this.refresh(0,this.rows-1)},Object.defineProperty(t.prototype,"markers",{get:function(){return this.buffer.markers},enumerable:!0,configurable:!0}),t.prototype.addMarker=function(e){if(this.buffer===this.buffers.normal)return this.buffer.addMarker(this.buffer.ybase+this.buffer.y+e)},t.prototype.hasSelection=function(){return!!this._selectionService&&this._selectionService.hasSelection},t.prototype.select=function(e,t,r){this._selectionService.setSelection(e,t,r)},t.prototype.getSelection=function(){return this._selectionService?this._selectionService.selectionText:""},t.prototype.getSelectionPosition=function(){if(this._selectionService.hasSelection)return{startColumn:this._selectionService.selectionStart[0],startRow:this._selectionService.selectionStart[1],endColumn:this._selectionService.selectionEnd[0],endRow:this._selectionService.selectionEnd[1]}},t.prototype.clearSelection=function(){var e;null===(e=this._selectionService)||void 0===e||e.clearSelection()},t.prototype.selectAll=function(){var e;null===(e=this._selectionService)||void 0===e||e.selectAll()},t.prototype.selectLines=function(e,t){var r;null===(r=this._selectionService)||void 0===r||r.selectLines(e,t)},t.prototype._keyDown=function(e){if(this._keyDownHandled=!1,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(!this._compositionHelper.keydown(e))return this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),!1;var t=m.evaluateKeyboardEvent(e,this._coreService.decPrivateModes.applicationCursorKeys,this.browser.isMac,this.options.macOptionIsMeta);if(this.updateCursorStyle(e),3===t.type||2===t.type){var r=this.rows-1;return this.scrollLines(2===t.type?-r:r),this.cancel(e,!0)}return 1===t.type&&this.selectAll(),!!this._isThirdLevelShift(this.browser,e)||(t.cancel&&this.cancel(e,!0),!t.key||(t.key!==c.C0.ETX&&t.key!==c.C0.CR||(this.textarea.value=""),this._onKey.fire({key:t.key,domEvent:e}),this.showCursor(),this._coreService.triggerDataEvent(t.key,!0),this.optionsService.options.screenReaderMode?void(this._keyDownHandled=!0):this.cancel(e,!0)))},t.prototype._isThirdLevelShift=function(e,t){var r=e.isMac&&!this.options.macOptionIsMeta&&t.altKey&&!t.ctrlKey&&!t.metaKey||e.isWindows&&t.altKey&&t.ctrlKey&&!t.metaKey;return"keypress"===t.type?r:r&&(!t.keyCode||t.keyCode>47)},t.prototype._keyUp=function(e){this._customKeyEventHandler&&!1===this._customKeyEventHandler(e)||(function(e){return 16===e.keyCode||17===e.keyCode||18===e.keyCode}(e)||this.focus(),this.updateCursorStyle(e))},t.prototype._keyPress=function(e){var t;if(this._keyDownHandled)return!1;if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(this.cancel(e),e.charCode)t=e.charCode;else if(null===e.which||void 0===e.which)t=e.keyCode;else{if(0===e.which||0===e.charCode)return!1;t=e.which}return!(!t||(e.altKey||e.ctrlKey||e.metaKey)&&!this._isThirdLevelShift(this.browser,e))&&(t=String.fromCharCode(t),this._onKey.fire({key:t,domEvent:e}),this.showCursor(),this._coreService.triggerDataEvent(t,!0),!0)},t.prototype.bell=function(){var e=this;this._soundBell()&&this._soundService.playBellSound(),this._visualBell()&&(this.element.classList.add("visual-bell-active"),clearTimeout(this._visualBellTimer),this._visualBellTimer=window.setTimeout(function(){e.element.classList.remove("visual-bell-active")},200))},t.prototype.resize=function(e,t){var r,i;isNaN(e)||isNaN(t)||(e!==this.cols||t!==this.rows?(e<D.MINIMUM_COLS&&(e=D.MINIMUM_COLS),t<D.MINIMUM_ROWS&&(t=D.MINIMUM_ROWS),this.buffers.resize(e,t),this._bufferService.resize(e,t),this.buffers.setupTabStops(this.cols),null===(r=this._charSizeService)||void 0===r||r.measure(),null===(i=this.viewport)||void 0===i||i.syncScrollArea(!0),this.refresh(0,this.rows-1),this._onResize.fire({cols:e,rows:t})):this._charSizeService&&!this._charSizeService.hasValidSize&&this._charSizeService.measure())},t.prototype.clear=function(){if(0!==this.buffer.ybase||0!==this.buffer.y){this.buffer.lines.set(0,this.buffer.lines.get(this.buffer.ybase+this.buffer.y)),this.buffer.lines.length=1,this.buffer.ydisp=0,this.buffer.ybase=0,this.buffer.y=0;for(var e=1;e<this.rows;e++)this.buffer.lines.push(this.buffer.getBlankLine(C.DEFAULT_ATTR_DATA));this.refresh(0,this.rows-1),this._onScroll.fire(this.buffer.ydisp)}},t.prototype.is=function(e){return 0===(this.options.termName+"").indexOf(e)},t.prototype.handleTitle=function(e){this._onTitleChange.fire(e)},t.prototype.reset=function(){var e,t;this.options.rows=this.rows,this.options.cols=this.cols;var r=this._customKeyEventHandler,i=this._userScrolling;this._setup(),this._bufferService.reset(),this._charsetService.reset(),this._coreService.reset(),this._coreMouseService.reset(),null===(e=this._selectionService)||void 0===e||e.reset(),this._customKeyEventHandler=r,this._userScrolling=i,this.refresh(0,this.rows-1),null===(t=this.viewport)||void 0===t||t.syncScrollArea()},t.prototype.cancel=function(e,t){if(this.options.cancelEvents||t)return e.preventDefault(),e.stopPropagation(),!1},t.prototype._visualBell=function(){return!1},t.prototype._soundBell=function(){return"sound"===this.options.bellStyle},t.prototype.write=function(e,t){this._writeBuffer.write(e,t)},t.prototype.writeSync=function(e){this._writeBuffer.writeSync(e)},t}(T.Disposable);t.Terminal=N},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof 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t=this;this._compositionView.textContent=e.data,this.updateCompositionElements(),setTimeout(function(){t._compositionPosition.end=t._textarea.value.length},0)},e.prototype.compositionend=function(){this._finalizeComposition(!0)},e.prototype.keydown=function(e){if(this._isComposing||this._isSendingComposition){if(229===e.keyCode)return!1;if(16===e.keyCode||17===e.keyCode||18===e.keyCode)return!1;this._finalizeComposition(!1)}return 229!==e.keyCode||(this._handleAnyTextareaChanges(),!1)},e.prototype._finalizeComposition=function(e){var t=this;if(this._compositionView.classList.remove("active"),this._isComposing=!1,this._clearTextareaPosition(),e){var r={start:this._compositionPosition.start,end:this._compositionPosition.end};this._isSendingComposition=!0,setTimeout(function(){if(t._isSendingComposition){t._isSendingComposition=!1;var e=void 0;e=t._isComposing?t._textarea.value.substring(r.start,r.end):t._textarea.value.substring(r.start),t._coreService.triggerDataEvent(e,!0)}},0)}else{this._isSendingComposition=!1;var i=this._textarea.value.substring(this._compositionPosition.start,this._compositionPosition.end);this._coreService.triggerDataEvent(i,!0)}},e.prototype._handleAnyTextareaChanges=function(){var e=this,t=this._textarea.value;setTimeout(function(){if(!e._isComposing){var r=e._textarea.value.replace(t,"");r.length>0&&e._coreService.triggerDataEvent(r,!0)}},0)},e.prototype.updateCompositionElements=function(e){var t=this;if(this._isComposing){if(this._bufferService.buffer.isCursorInViewport){var r=Math.ceil(this._charSizeService.height*this._optionsService.options.lineHeight),i=this._bufferService.buffer.y*r,n=this._bufferService.buffer.x*this._charSizeService.width;this._compositionView.style.left=n+"px",this._compositionView.style.top=i+"px",this._compositionView.style.height=r+"px",this._compositionView.style.lineHeight=r+"px",this._compositionView.style.fontFamily=this._optionsService.options.fontFamily,this._compositionView.style.fontSize=this._optionsService.options.fontSize+"px";var o=this._compositionView.getBoundingClientRect();this._textarea.style.left=n+"px",this._textarea.style.top=i+"px",this._textarea.style.width=o.width+"px",this._textarea.style.height=o.height+"px",this._textarea.style.lineHeight=o.height+"px"}e||setTimeout(function(){return t.updateCompositionElements(!0)},0)}},e.prototype._clearTextareaPosition=function(){this._textarea.style.left="",this._textarea.style.top=""},e=i([n(2,s.IBufferService),n(3,s.IOptionsService),n(4,o.ICharSizeService),n(5,s.ICoreService)],e)}();t.CompositionHelper=a},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return 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n(t,e),t.prototype.onThemeChange=function(e){this._viewportElement.style.backgroundColor=e.background.css},t.prototype._refresh=function(e){var t=this;if(e)return this._innerRefresh(),void(null!==this._refreshAnimationFrame&&cancelAnimationFrame(this._refreshAnimationFrame));null===this._refreshAnimationFrame&&(this._refreshAnimationFrame=requestAnimationFrame(function(){return t._innerRefresh()}))},t.prototype._innerRefresh=function(){if(this._charSizeService.height>0){this._currentRowHeight=this._renderService.dimensions.scaledCellHeight/window.devicePixelRatio,this._lastRecordedViewportHeight=this._viewportElement.offsetHeight;var e=Math.round(this._currentRowHeight*this._lastRecordedBufferLength)+(this._lastRecordedViewportHeight-this._renderService.dimensions.canvasHeight);this._lastRecordedBufferHeight!==e&&(this._lastRecordedBufferHeight=e,this._scrollArea.style.height=this._lastRecordedBufferHeight+"px")}var t=this._bufferService.buffer.ydisp*this._currentRowHeight;this._viewportElement.scrollTop!==t&&(this._ignoreNextScrollEvent=!0,this._viewportElement.scrollTop=t),this._refreshAnimationFrame=null},t.prototype.syncScrollArea=function(e){if(void 0===e&&(e=!1),this._lastRecordedBufferLength!==this._bufferService.buffer.lines.length)return this._lastRecordedBufferLength=this._bufferService.buffer.lines.length,void this._refresh(e);if(this._lastRecordedViewportHeight===this._renderService.dimensions.canvasHeight){var t=this._bufferService.buffer.ydisp*this._currentRowHeight;this._lastScrollTop===t&&this._lastScrollTop===this._viewportElement.scrollTop&&this._renderService.dimensions.scaledCellHeight/window.devicePixelRatio===this._currentRowHeight||this._refresh(e)}else this._refresh(e)},t.prototype._onScroll=function(e){if(this._lastScrollTop=this._viewportElement.scrollTop,this._viewportElement.offsetParent)if(this._ignoreNextScrollEvent)this._ignoreNextScrollEvent=!1;else{var t=Math.round(this._lastScrollTop/this._currentRowHeight)-this._bufferService.buffer.ydisp;this._scrollLines(t,!0)}},t.prototype._bubbleScroll=function(e,t){var r=this._viewportElement.scrollTop+this._lastRecordedViewportHeight;return!(t<0&&0!==this._viewportElement.scrollTop||t>0&&r<this._lastRecordedBufferHeight)||(e.cancelable&&e.preventDefault(),!1)},t.prototype.onWheel=function(e){var t=this._getPixelsScrolled(e);return 0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))},t.prototype._getPixelsScrolled=function(e){if(0===e.deltaY)return 0;var t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._currentRowHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._currentRowHeight*this._bufferService.rows),t},t.prototype.getLinesScrolled=function(e){if(0===e.deltaY)return 0;var t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_PIXEL?(t/=this._currentRowHeight+0,this._wheelPartialScroll+=t,t=Math.floor(Math.abs(this._wheelPartialScroll))*(this._wheelPartialScroll>0?1:-1),this._wheelPartialScroll%=1):e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._bufferService.rows),t},t.prototype._applyScrollModifier=function(e,t){var r=this._optionsService.options.fastScrollModifier;return"alt"===r&&t.altKey||"ctrl"===r&&t.ctrlKey||"shift"===r&&t.shiftKey?e*this._optionsService.options.fastScrollSensitivity*this._optionsService.options.scrollSensitivity:e*this._optionsService.options.scrollSensitivity},t.prototype.onTouchStart=function(e){this._lastTouchY=e.touches[0].pageY},t.prototype.onTouchMove=function(e){var t=this._lastTouchY-e.touches[0].pageY;return this._lastTouchY=e.touches[0].pageY,0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))},t=o([s(3,h.IBufferService),s(4,h.IOptionsService),s(5,l.ICharSizeService),s(6,l.IRenderService)],t)}(a.Disposable);t.Viewport=f},function(e,t,r){"use strict";function i(e){return e.replace(/\r?\n/g,"\r")}function n(e,t){return t?"[200~"+e+"[201~":e}function o(e,t,r,o){e=n(e=i(e),r),o.triggerDataEvent(e,!0),t.value=""}function s(e,t,r){var i=r.getBoundingClientRect(),n=e.clientX-i.left-10,o=e.clientY-i.top-10;t.style.position="absolute",t.style.width="20px",t.style.height="20px",t.style.left=n+"px",t.style.top=o+"px",t.style.zIndex="1000",t.focus(),setTimeout(function(){t.style.position="",t.style.width="",t.style.height="",t.style.left="",t.style.top="",t.style.zIndex=""},200)}Object.defineProperty(t,"__esModule",{value:!0}),t.prepareTextForTerminal=i,t.bracketTextForPaste=n,t.copyHandler=function(e,t){e.clipboardData&&e.clipboardData.setData("text/plain",t.selectionText),e.preventDefault()},t.handlePasteEvent=function(e,t,r,i){e.stopPropagation(),e.clipboardData&&o(e.clipboardData.getData("text/plain"),t,r,i)},t.paste=o,t.moveTextAreaUnderMouseCursor=s,t.rightClickHandler=function(e,t,r,i,n){s(e,t,r),n&&!i.isClickInSelection(e)&&i.selectWordAtCursor(e),t.value=i.selectionText,t.select()}},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(12),s=r(18),a=r(38),c=r(2),l=r(15),h=r(7),u=r(16),f=r(1),_=r(3),d=r(5),p=r(6),v=r(20),g=r(22),y=r(4),b={"(":0,")":1,"*":2,"+":3,"-":1,".":2};function m(e,t){if(e>24)return t.setWinLines||!1;switch(e){case 1:return!!t.restoreWin;case 2:return!!t.minimizeWin;case 3:return!!t.setWinPosition;case 4:return!!t.setWinSizePixels;case 5:return!!t.raiseWin;case 6:return!!t.lowerWin;case 7:return!!t.refreshWin;case 8:return!!t.setWinSizeChars;case 9:return!!t.maximizeWin;case 10:return!!t.fullscreenWin;case 11:return!!t.getWinState;case 13:return!!t.getWinPosition;case 14:return!!t.getWinSizePixels;case 15:return!!t.getScreenSizePixels;case 16:return!!t.getCellSizePixels;case 18:return!!t.getWinSizeChars;case 19:return!!t.getScreenSizeChars;case 20:return!!t.getIconTitle;case 21:return!!t.getWinTitle;case 22:return!!t.pushTitle;case 23:return!!t.popTitle;case 24:return!!t.setWinLines}return!1}var S=function(){function e(e,t,r,i){this._bufferService=e,this._coreService=t,this._logService=r,this._optionsService=i,this._data=new Uint32Array(0)}return e.prototype.hook=function(e){this._data=new Uint32Array(0)},e.prototype.put=function(e,t,r){this._data=l.concat(this._data,e.subarray(t,r))},e.prototype.unhook=function(e){if(e){var t=h.utf32ToString(this._data);switch(this._data=new Uint32Array(0),t){case'"q':return this._coreService.triggerDataEvent(o.C0.ESC+'P1$r0"q'+o.C0.ESC+"\\");case'"p':return this._coreService.triggerDataEvent(o.C0.ESC+'P1$r61;1"p'+o.C0.ESC+"\\");case"r":var r=this._bufferService.buffer.scrollTop+1+";"+(this._bufferService.buffer.scrollBottom+1)+"r";return this._coreService.triggerDataEvent(o.C0.ESC+"P1$r"+r+o.C0.ESC+"\\");case"m":return this._coreService.triggerDataEvent(o.C0.ESC+"P1$r0m"+o.C0.ESC+"\\");case" q":var i={block:2,underline:4,bar:6}[this._optionsService.options.cursorStyle];return i-=this._optionsService.options.cursorBlink?1:0,this._coreService.triggerDataEvent(o.C0.ESC+"P1$r"+i+" q"+o.C0.ESC+"\\");default:this._logService.debug("Unknown DCS $q %s",t),this._coreService.triggerDataEvent(o.C0.ESC+"P0$r"+o.C0.ESC+"\\")}}else this._data=new Uint32Array(0)},e}(),C=function(e){function t(t,r,i,n,c,l,_,p,g,y,b){void 0===b&&(b=new a.EscapeSequenceParser);var m=e.call(this)||this;m._terminal=t,m._bufferService=r,m._charsetService=i,m._coreService=n,m._dirtyRowService=c,m._logService=l,m._optionsService=_,m._coreMouseService=p,m._unicodeService=g,m._instantiationService=y,m._parser=b,m._parseBuffer=new Uint32Array(4096),m._stringDecoder=new h.StringToUtf32,m._utf8Decoder=new h.Utf8ToUtf32,m._workCell=new d.CellData,m._windowTitle="",m._iconName="",m._windowTitleStack=[],m._iconNameStack=[],m._curAttrData=u.DEFAULT_ATTR_DATA.clone(),m._eraseAttrDataInternal=u.DEFAULT_ATTR_DATA.clone(),m._onRequestRefreshRows=new f.EventEmitter,m._onRequestReset=new f.EventEmitter,m._onRequestBell=new f.EventEmitter,m._onCursorMove=new f.EventEmitter,m._onLineFeed=new f.EventEmitter,m._onScroll=new f.EventEmitter,m.register(m._parser),m._parser.setCsiHandlerFallback(function(e,t){m._logService.debug("Unknown CSI code: ",{identifier:m._parser.identToString(e),params:t.toArray()})}),m._parser.setEscHandlerFallback(function(e){m._logService.debug("Unknown ESC code: ",{identifier:m._parser.identToString(e)})}),m._parser.setExecuteHandlerFallback(function(e){m._logService.debug("Unknown EXECUTE code: ",{code:e})}),m._parser.setOscHandlerFallback(function(e,t,r){m._logService.debug("Unknown OSC code: ",{identifier:e,action:t,data:r})}),m._parser.setDcsHandlerFallback(function(e,t,r){"HOOK"===t&&(r=r.toArray()),m._logService.debug("Unknown DCS code: ",{identifier:m._parser.identToString(e),action:t,payload:r})}),m._parser.setPrintHandler(function(e,t,r){return m.print(e,t,r)}),m._parser.setCsiHandler({final:"@"},function(e){return m.insertChars(e)}),m._parser.setCsiHandler({intermediates:" ",final:"@"},function(e){return m.scrollLeft(e)}),m._parser.setCsiHandler({final:"A"},function(e){return m.cursorUp(e)}),m._parser.setCsiHandler({intermediates:" ",final:"A"},function(e){return m.scrollRight(e)}),m._parser.setCsiHandler({final:"B"},function(e){return m.cursorDown(e)}),m._parser.setCsiHandler({final:"C"},function(e){return m.cursorForward(e)}),m._parser.setCsiHandler({final:"D"},function(e){return m.cursorBackward(e)}),m._parser.setCsiHandler({final:"E"},function(e){return m.cursorNextLine(e)}),m._parser.setCsiHandler({final:"F"},function(e){return m.cursorPrecedingLine(e)}),m._parser.setCsiHandler({final:"G"},function(e){return m.cursorCharAbsolute(e)}),m._parser.setCsiHandler({final:"H"},function(e){return m.cursorPosition(e)}),m._parser.setCsiHandler({final:"I"},function(e){return m.cursorForwardTab(e)}),m._parser.setCsiHandler({final:"J"},function(e){return m.eraseInDisplay(e)}),m._parser.setCsiHandler({prefix:"?",final:"J"},function(e){return m.eraseInDisplay(e)}),m._parser.setCsiHandler({final:"K"},function(e){return m.eraseInLine(e)}),m._parser.setCsiHandler({prefix:"?",final:"K"},function(e){return m.eraseInLine(e)}),m._parser.setCsiHandler({final:"L"},function(e){return m.insertLines(e)}),m._parser.setCsiHandler({final:"M"},function(e){return m.deleteLines(e)}),m._parser.setCsiHandler({final:"P"},function(e){return m.deleteChars(e)}),m._parser.setCsiHandler({final:"S"},function(e){return m.scrollUp(e)}),m._parser.setCsiHandler({final:"T"},function(e){return m.scrollDown(e)}),m._parser.setCsiHandler({final:"X"},function(e){return m.eraseChars(e)}),m._parser.setCsiHandler({final:"Z"},function(e){return m.cursorBackwardTab(e)}),m._parser.setCsiHandler({final:"`"},function(e){return m.charPosAbsolute(e)}),m._parser.setCsiHandler({final:"a"},function(e){return m.hPositionRelative(e)}),m._parser.setCsiHandler({final:"b"},function(e){return m.repeatPrecedingCharacter(e)}),m._parser.setCsiHandler({final:"c"},function(e){return m.sendDeviceAttributesPrimary(e)}),m._parser.setCsiHandler({prefix:">",final:"c"},function(e){return m.sendDeviceAttributesSecondary(e)}),m._parser.setCsiHandler({final:"d"},function(e){return m.linePosAbsolute(e)}),m._parser.setCsiHandler({final:"e"},function(e){return m.vPositionRelative(e)}),m._parser.setCsiHandler({final:"f"},function(e){return m.hVPosition(e)}),m._parser.setCsiHandler({final:"g"},function(e){return m.tabClear(e)}),m._parser.setCsiHandler({final:"h"},function(e){return m.setMode(e)}),m._parser.setCsiHandler({prefix:"?",final:"h"},function(e){return m.setModePrivate(e)}),m._parser.setCsiHandler({final:"l"},function(e){return m.resetMode(e)}),m._parser.setCsiHandler({prefix:"?",final:"l"},function(e){return m.resetModePrivate(e)}),m._parser.setCsiHandler({final:"m"},function(e){return m.charAttributes(e)}),m._parser.setCsiHandler({final:"n"},function(e){return m.deviceStatus(e)}),m._parser.setCsiHandler({prefix:"?",final:"n"},function(e){return m.deviceStatusPrivate(e)}),m._parser.setCsiHandler({intermediates:"!",final:"p"},function(e){return m.softReset(e)}),m._parser.setCsiHandler({intermediates:" ",final:"q"},function(e){return m.setCursorStyle(e)}),m._parser.setCsiHandler({final:"r"},function(e){return m.setScrollRegion(e)}),m._parser.setCsiHandler({final:"s"},function(e){return m.saveCursor(e)}),m._parser.setCsiHandler({final:"t"},function(e){return m.windowOptions(e)}),m._parser.setCsiHandler({final:"u"},function(e){return m.restoreCursor(e)}),m._parser.setCsiHandler({intermediates:"'",final:"}"},function(e){return m.insertColumns(e)}),m._parser.setCsiHandler({intermediates:"'",final:"~"},function(e){return m.deleteColumns(e)}),m._parser.setExecuteHandler(o.C0.BEL,function(){return m.bell()}),m._parser.setExecuteHandler(o.C0.LF,function(){return m.lineFeed()}),m._parser.setExecuteHandler(o.C0.VT,function(){return m.lineFeed()}),m._parser.setExecuteHandler(o.C0.FF,function(){return m.lineFeed()}),m._parser.setExecuteHandler(o.C0.CR,function(){return m.carriageReturn()}),m._parser.setExecuteHandler(o.C0.BS,function(){return m.backspace()}),m._parser.setExecuteHandler(o.C0.HT,function(){return m.tab()}),m._parser.setExecuteHandler(o.C0.SO,function(){return m.shiftOut()}),m._parser.setExecuteHandler(o.C0.SI,function(){return m.shiftIn()}),m._parser.setExecuteHandler(o.C1.IND,function(){return m.index()}),m._parser.setExecuteHandler(o.C1.NEL,function(){return m.nextLine()}),m._parser.setExecuteHandler(o.C1.HTS,function(){return m.tabSet()}),m._parser.setOscHandler(0,new v.OscHandler(function(e){m.setTitle(e),m.setIconName(e)})),m._parser.setOscHandler(1,new v.OscHandler(function(e){return m.setIconName(e)})),m._parser.setOscHandler(2,new v.OscHandler(function(e){return m.setTitle(e)})),m._parser.setEscHandler({final:"7"},function(){return m.saveCursor()}),m._parser.setEscHandler({final:"8"},function(){return m.restoreCursor()}),m._parser.setEscHandler({final:"D"},function(){return m.index()}),m._parser.setEscHandler({final:"E"},function(){return m.nextLine()}),m._parser.setEscHandler({final:"H"},function(){return m.tabSet()}),m._parser.setEscHandler({final:"M"},function(){return m.reverseIndex()}),m._parser.setEscHandler({final:"="},function(){return m.keypadApplicationMode()}),m._parser.setEscHandler({final:">"},function(){return m.keypadNumericMode()}),m._parser.setEscHandler({final:"c"},function(){return m.fullReset()}),m._parser.setEscHandler({final:"n"},function(){return m.setgLevel(2)}),m._parser.setEscHandler({final:"o"},function(){return m.setgLevel(3)}),m._parser.setEscHandler({final:"|"},function(){return m.setgLevel(3)}),m._parser.setEscHandler({final:"}"},function(){return m.setgLevel(2)}),m._parser.setEscHandler({final:"~"},function(){return m.setgLevel(1)}),m._parser.setEscHandler({intermediates:"%",final:"@"},function(){return m.selectDefaultCharset()}),m._parser.setEscHandler({intermediates:"%",final:"G"},function(){return m.selectDefaultCharset()});var C=function(e){w._parser.setEscHandler({intermediates:"(",final:e},function(){return m.selectCharset("("+e)}),w._parser.setEscHandler({intermediates:")",final:e},function(){return m.selectCharset(")"+e)}),w._parser.setEscHandler({intermediates:"*",final:e},function(){return m.selectCharset("*"+e)}),w._parser.setEscHandler({intermediates:"+",final:e},function(){return m.selectCharset("+"+e)}),w._parser.setEscHandler({intermediates:"-",final:e},function(){return m.selectCharset("-"+e)}),w._parser.setEscHandler({intermediates:".",final:e},function(){return m.selectCharset("."+e)}),w._parser.setEscHandler({intermediates:"/",final:e},function(){return m.selectCharset("/"+e)})},w=this;for(var E in s.CHARSETS)C(E);return m._parser.setEscHandler({intermediates:"#",final:"8"},function(){return m.screenAlignmentPattern()}),m._parser.setErrorHandler(function(e){return m._logService.error("Parsing error: ",e),e}),m._parser.setDcsHandler({intermediates:"$",final:"q"},new S(m._bufferService,m._coreService,m._logService,m._optionsService)),m}return n(t,e),Object.defineProperty(t.prototype,"onRequestRefreshRows",{get:function(){return this._onRequestRefreshRows.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onRequestReset",{get:function(){return this._onRequestReset.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onRequestBell",{get:function(){return this._onRequestBell.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onCursorMove",{get:function(){return this._onCursorMove.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onLineFeed",{get:function(){return this._onLineFeed.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onScroll",{get:function(){return this._onScroll.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){e.prototype.dispose.call(this)},t.prototype.parse=function(e){var t=this._bufferService.buffer,r=t.x,i=t.y;if(this._logService.debug("parsing data",e),this._parseBuffer.length<e.length&&this._parseBuffer.length<131072&&(this._parseBuffer=new Uint32Array(Math.min(e.length,131072))),this._dirtyRowService.clearRange(),e.length>131072)for(var n=0;n<e.length;n+=131072){var o=n+131072<e.length?n+131072:e.length,s="string"==typeof e?this._stringDecoder.decode(e.substring(n,o),this._parseBuffer):this._utf8Decoder.decode(e.subarray(n,o),this._parseBuffer);this._parser.parse(this._parseBuffer,s)}else{s="string"==typeof e?this._stringDecoder.decode(e,this._parseBuffer):this._utf8Decoder.decode(e,this._parseBuffer);this._parser.parse(this._parseBuffer,s)}(t=this._bufferService.buffer).x===r&&t.y===i||this._onCursorMove.fire(),this._onRequestRefreshRows.fire(this._dirtyRowService.start,this._dirtyRowService.end)},t.prototype.print=function(e,t,r){var i,n,o=this._bufferService.buffer,s=this._charsetService.charset,a=this._optionsService.options.screenReaderMode,c=this._bufferService.cols,l=this._coreService.decPrivateModes.wraparound,u=this._terminal.insertMode,f=this._curAttrData,d=o.lines.get(o.y+o.ybase);this._dirtyRowService.markDirty(o.y),o.x&&r-t>0&&2===d.getWidth(o.x-1)&&d.setCellFromCodePoint(o.x-1,0,1,f.fg,f.bg);for(var p=t;p<r;++p){if(i=e[p],n=this._unicodeService.wcwidth(i),i<127&&s){var v=s[String.fromCharCode(i)];v&&(i=v.charCodeAt(0))}if(a&&this._terminal.onA11yCharEmitter.fire(h.stringFromCodePoint(i)),n||!o.x){if(o.x+n-1>=c)if(l)o.x=0,o.y++,o.y===o.scrollBottom+1?(o.y--,this._terminal.scroll(this._eraseAttrData(),!0)):(o.y>=this._bufferService.rows&&(o.y=this._bufferService.rows-1),o.lines.get(o.y).isWrapped=!0),d=o.lines.get(o.y+o.ybase);else if(o.x=c-1,2===n)continue;if(u&&(d.insertCells(o.x,n,o.getNullCell(f),f),2===d.getWidth(c-1)&&d.setCellFromCodePoint(c-1,_.NULL_CELL_CODE,_.NULL_CELL_WIDTH,f.fg,f.bg)),d.setCellFromCodePoint(o.x++,i,n,f.fg,f.bg),n>0)for(;--n;)d.setCellFromCodePoint(o.x++,0,0,f.fg,f.bg)}else d.getWidth(o.x-1)?d.addCodepointToCell(o.x-1,i):d.addCodepointToCell(o.x-2,i)}r-t>0&&(d.loadCell(o.x-1,this._workCell),2===this._workCell.getWidth()||this._workCell.getCode()>65535?this._parser.precedingCodepoint=0:this._workCell.isCombined()?this._parser.precedingCodepoint=this._workCell.getChars().charCodeAt(0):this._parser.precedingCodepoint=this._workCell.content),o.x<c&&r-t>0&&0===d.getWidth(o.x)&&!d.hasContent(o.x)&&d.setCellFromCodePoint(o.x,0,1,f.fg,f.bg),this._dirtyRowService.markDirty(o.y)},t.prototype.addCsiHandler=function(e,t){var r=this;return"t"!==e.final||e.prefix||e.intermediates?this._parser.addCsiHandler(e,t):this._parser.addCsiHandler(e,function(e){return!m(e.params[0],r._optionsService.options.windowOptions)||t(e)})},t.prototype.addDcsHandler=function(e,t){return this._parser.addDcsHandler(e,new g.DcsHandler(t))},t.prototype.addEscHandler=function(e,t){return this._parser.addEscHandler(e,t)},t.prototype.addOscHandler=function(e,t){return this._parser.addOscHandler(e,new v.OscHandler(t))},t.prototype.bell=function(){this._onRequestBell.fire()},t.prototype.lineFeed=function(){var e=this._bufferService.buffer;this._dirtyRowService.markDirty(e.y),this._optionsService.options.convertEol&&(e.x=0),e.y++,e.y===e.scrollBottom+1?(e.y--,this._terminal.scroll(this._eraseAttrData())):e.y>=this._bufferService.rows&&(e.y=this._bufferService.rows-1),e.x>=this._bufferService.cols&&e.x--,this._dirtyRowService.markDirty(e.y),this._onLineFeed.fire()},t.prototype.carriageReturn=function(){this._bufferService.buffer.x=0},t.prototype.backspace=function(){this._restrictCursor(),this._bufferService.buffer.x>0&&this._bufferService.buffer.x--},t.prototype.tab=function(){if(!(this._bufferService.buffer.x>=this._bufferService.cols)){var e=this._bufferService.buffer.x;this._bufferService.buffer.x=this._bufferService.buffer.nextStop(),this._optionsService.options.screenReaderMode&&this._terminal.onA11yTabEmitter.fire(this._bufferService.buffer.x-e)}},t.prototype.shiftOut=function(){this._charsetService.setgLevel(1)},t.prototype.shiftIn=function(){this._charsetService.setgLevel(0)},t.prototype._restrictCursor=function(){this._bufferService.buffer.x=Math.min(this._bufferService.cols-1,Math.max(0,this._bufferService.buffer.x)),this._bufferService.buffer.y=this._coreService.decPrivateModes.origin?Math.min(this._bufferService.buffer.scrollBottom,Math.max(this._bufferService.buffer.scrollTop,this._bufferService.buffer.y)):Math.min(this._bufferService.rows-1,Math.max(0,this._bufferService.buffer.y)),this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype._setCursor=function(e,t){this._dirtyRowService.markDirty(this._bufferService.buffer.y),this._coreService.decPrivateModes.origin?(this._bufferService.buffer.x=e,this._bufferService.buffer.y=this._bufferService.buffer.scrollTop+t):(this._bufferService.buffer.x=e,this._bufferService.buffer.y=t),this._restrictCursor(),this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype._moveCursor=function(e,t){this._restrictCursor(),this._setCursor(this._bufferService.buffer.x+e,this._bufferService.buffer.y+t)},t.prototype.cursorUp=function(e){var t=this._bufferService.buffer.y-this._bufferService.buffer.scrollTop;t>=0?this._moveCursor(0,-Math.min(t,e.params[0]||1)):this._moveCursor(0,-(e.params[0]||1))},t.prototype.cursorDown=function(e){var t=this._bufferService.buffer.scrollBottom-this._bufferService.buffer.y;t>=0?this._moveCursor(0,Math.min(t,e.params[0]||1)):this._moveCursor(0,e.params[0]||1)},t.prototype.cursorForward=function(e){this._moveCursor(e.params[0]||1,0)},t.prototype.cursorBackward=function(e){this._moveCursor(-(e.params[0]||1),0)},t.prototype.cursorNextLine=function(e){this.cursorDown(e),this._bufferService.buffer.x=0},t.prototype.cursorPrecedingLine=function(e){this.cursorUp(e),this._bufferService.buffer.x=0},t.prototype.cursorCharAbsolute=function(e){this._setCursor((e.params[0]||1)-1,this._bufferService.buffer.y)},t.prototype.cursorPosition=function(e){this._setCursor(e.length>=2?(e.params[1]||1)-1:0,(e.params[0]||1)-1)},t.prototype.charPosAbsolute=function(e){this._setCursor((e.params[0]||1)-1,this._bufferService.buffer.y)},t.prototype.hPositionRelative=function(e){this._moveCursor(e.params[0]||1,0)},t.prototype.linePosAbsolute=function(e){this._setCursor(this._bufferService.buffer.x,(e.params[0]||1)-1)},t.prototype.vPositionRelative=function(e){this._moveCursor(0,e.params[0]||1)},t.prototype.hVPosition=function(e){this.cursorPosition(e)},t.prototype.tabClear=function(e){var t=e.params[0];0===t?delete this._bufferService.buffer.tabs[this._bufferService.buffer.x]:3===t&&(this._bufferService.buffer.tabs={})},t.prototype.cursorForwardTab=function(e){if(!(this._bufferService.buffer.x>=this._bufferService.cols))for(var t=e.params[0]||1;t--;)this._bufferService.buffer.x=this._bufferService.buffer.nextStop()},t.prototype.cursorBackwardTab=function(e){if(!(this._bufferService.buffer.x>=this._bufferService.cols))for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.x=r.prevStop()},t.prototype._eraseInBufferLine=function(e,t,r,i){void 0===i&&(i=!1);var n=this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase+e);n.replaceCells(t,r,this._bufferService.buffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),i&&(n.isWrapped=!1)},t.prototype._resetBufferLine=function(e){var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase+e);t.fill(this._bufferService.buffer.getNullCell(this._eraseAttrData())),t.isWrapped=!1},t.prototype.eraseInDisplay=function(e){var t;switch(this._restrictCursor(),e.params[0]){case 0:for(t=this._bufferService.buffer.y,this._dirtyRowService.markDirty(t),this._eraseInBufferLine(t++,this._bufferService.buffer.x,this._bufferService.cols,0===this._bufferService.buffer.x);t<this._bufferService.rows;t++)this._resetBufferLine(t);this._dirtyRowService.markDirty(t);break;case 1:for(t=this._bufferService.buffer.y,this._dirtyRowService.markDirty(t),this._eraseInBufferLine(t,0,this._bufferService.buffer.x+1,!0),this._bufferService.buffer.x+1>=this._bufferService.cols&&(this._bufferService.buffer.lines.get(t+1).isWrapped=!1);t--;)this._resetBufferLine(t);this._dirtyRowService.markDirty(0);break;case 2:for(t=this._bufferService.rows,this._dirtyRowService.markDirty(t-1);t--;)this._resetBufferLine(t);this._dirtyRowService.markDirty(0);break;case 3:var r=this._bufferService.buffer.lines.length-this._bufferService.rows;r>0&&(this._bufferService.buffer.lines.trimStart(r),this._bufferService.buffer.ybase=Math.max(this._bufferService.buffer.ybase-r,0),this._bufferService.buffer.ydisp=Math.max(this._bufferService.buffer.ydisp-r,0),this._onScroll.fire(0))}},t.prototype.eraseInLine=function(e){switch(this._restrictCursor(),e.params[0]){case 0:this._eraseInBufferLine(this._bufferService.buffer.y,this._bufferService.buffer.x,this._bufferService.cols);break;case 1:this._eraseInBufferLine(this._bufferService.buffer.y,0,this._bufferService.buffer.x+1);break;case 2:this._eraseInBufferLine(this._bufferService.buffer.y,0,this._bufferService.cols)}this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype.insertLines=function(e){this._restrictCursor();var t=e.params[0]||1,r=this._bufferService.buffer;if(!(r.y>r.scrollBottom||r.y<r.scrollTop)){for(var i=r.y+r.ybase,n=this._bufferService.rows-1-r.scrollBottom,o=this._bufferService.rows-1+r.ybase-n+1;t--;)r.lines.splice(o-1,1),r.lines.splice(i,0,r.getBlankLine(this._eraseAttrData()));this._dirtyRowService.markRangeDirty(r.y,r.scrollBottom),r.x=0}},t.prototype.deleteLines=function(e){this._restrictCursor();var t=e.params[0]||1,r=this._bufferService.buffer;if(!(r.y>r.scrollBottom||r.y<r.scrollTop)){var i,n=r.y+r.ybase;for(i=this._bufferService.rows-1-r.scrollBottom,i=this._bufferService.rows-1+r.ybase-i;t--;)r.lines.splice(n,1),r.lines.splice(i,0,r.getBlankLine(this._eraseAttrData()));this._dirtyRowService.markRangeDirty(r.y,r.scrollBottom),r.x=0}},t.prototype.insertChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.insertCells(this._bufferService.buffer.x,e.params[0]||1,this._bufferService.buffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.deleteChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.deleteCells(this._bufferService.buffer.x,e.params[0]||1,this._bufferService.buffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.scrollUp=function(e){for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.lines.splice(r.ybase+r.scrollTop,1),r.lines.splice(r.ybase+r.scrollBottom,0,r.getBlankLine(this._eraseAttrData()));this._dirtyRowService.markRangeDirty(r.scrollTop,r.scrollBottom)},t.prototype.scrollDown=function(e){for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.lines.splice(r.ybase+r.scrollBottom,1),r.lines.splice(r.ybase+r.scrollTop,0,r.getBlankLine(u.DEFAULT_ATTR_DATA));this._dirtyRowService.markRangeDirty(r.scrollTop,r.scrollBottom)},t.prototype.scrollLeft=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.deleteCells(0,r,t.getNullCell(this._eraseAttrData()),this._eraseAttrData()),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.scrollRight=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.insertCells(0,r,t.getNullCell(this._eraseAttrData()),this._eraseAttrData()),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.insertColumns=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=this._bufferService.buffer.lines.get(t.ybase+i);n.insertCells(t.x,r,t.getNullCell(this._eraseAttrData()),this._eraseAttrData()),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.deleteColumns=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.deleteCells(t.x,r,t.getNullCell(this._eraseAttrData()),this._eraseAttrData()),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.eraseChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.replaceCells(this._bufferService.buffer.x,this._bufferService.buffer.x+(e.params[0]||1),this._bufferService.buffer.getNullCell(this._eraseAttrData()),this._eraseAttrData()),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.repeatPrecedingCharacter=function(e){if(this._parser.precedingCodepoint){for(var t=e.params[0]||1,r=new Uint32Array(t),i=0;i<t;++i)r[i]=this._parser.precedingCodepoint;this.print(r,0,r.length)}},t.prototype.sendDeviceAttributesPrimary=function(e){e.params[0]>0||(this._terminal.is("xterm")||this._terminal.is("rxvt-unicode")||this._terminal.is("screen")?this._coreService.triggerDataEvent(o.C0.ESC+"[?1;2c"):this._terminal.is("linux")&&this._coreService.triggerDataEvent(o.C0.ESC+"[?6c"))},t.prototype.sendDeviceAttributesSecondary=function(e){e.params[0]>0||(this._terminal.is("xterm")?this._coreService.triggerDataEvent(o.C0.ESC+"[>0;276;0c"):this._terminal.is("rxvt-unicode")?this._coreService.triggerDataEvent(o.C0.ESC+"[>85;95;0c"):this._terminal.is("linux")?this._coreService.triggerDataEvent(e.params[0]+"c"):this._terminal.is("screen")&&this._coreService.triggerDataEvent(o.C0.ESC+"[>83;40003;0c"))},t.prototype.setMode=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 4:this._terminal.insertMode=!0}},t.prototype.setModePrivate=function(e){for(var t,r,i=0;i<e.length;i++)switch(e.params[i]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!0;break;case 2:this._charsetService.setgCharset(0,s.DEFAULT_CHARSET),this._charsetService.setgCharset(1,s.DEFAULT_CHARSET),this._charsetService.setgCharset(2,s.DEFAULT_CHARSET),this._charsetService.setgCharset(3,s.DEFAULT_CHARSET);break;case 3:this._optionsService.options.windowOptions.setWinLines&&(this._terminal.resize(132,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!0,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!0;break;case 12:break;case 66:this._logService.debug("Serial port requested application keypad."),this._coreService.decPrivateModes.applicationKeypad=!0,null===(t=this._terminal.viewport)||void 0===t||t.syncScrollArea();break;case 9:this._coreMouseService.activeProtocol="X10";break;case 1e3:this._coreMouseService.activeProtocol="VT200";break;case 1002:this._coreMouseService.activeProtocol="DRAG";break;case 1003:this._coreMouseService.activeProtocol="ANY";break;case 1004:this._terminal.sendFocus=!0;break;case 1005:this._logService.debug("DECSET 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="SGR";break;case 1015:this._logService.debug("DECSET 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!1;break;case 1048:this.saveCursor();break;case 1049:this.saveCursor();case 47:case 1047:this._bufferService.buffers.activateAltBuffer(this._eraseAttrData()),this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),null===(r=this._terminal.viewport)||void 0===r||r.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!0}},t.prototype.resetMode=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 4:this._terminal.insertMode=!1}},t.prototype.resetModePrivate=function(e){for(var t,r,i=0;i<e.length;i++)switch(e.params[i]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!1;break;case 3:this._optionsService.options.windowOptions.setWinLines&&(this._terminal.resize(80,this._bufferService.rows),this._onRequestReset.fire());break;case 6:this._coreService.decPrivateModes.origin=!1,this._setCursor(0,0);break;case 7:this._coreService.decPrivateModes.wraparound=!1;break;case 12:break;case 66:this._logService.debug("Switching back to normal keypad."),this._coreService.decPrivateModes.applicationKeypad=!1,null===(t=this._terminal.viewport)||void 0===t||t.syncScrollArea();break;case 9:case 1e3:case 1002:case 1003:this._coreMouseService.activeProtocol="NONE";break;case 1004:this._terminal.sendFocus=!1;break;case 1005:this._logService.debug("DECRST 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="DEFAULT";break;case 1015:this._logService.debug("DECRST 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!0;break;case 1048:this.restoreCursor();break;case 1049:case 47:case 1047:this._bufferService.buffers.activateNormalBuffer(),1049===e.params[i]&&this.restoreCursor(),this._onRequestRefreshRows.fire(0,this._bufferService.rows-1),null===(r=this._terminal.viewport)||void 0===r||r.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!1}},t.prototype._extractColor=function(e,t,r){var i=[0,0,-1,0,0,0],n=0,o=0;do{if(i[o+n]=e.params[t+o],e.hasSubParams(t+o)){var s=e.getSubParams(t+o),a=0;do{5===i[1]&&(n=1),i[o+a+1+n]=s[a]}while(++a<s.length&&a+o+1+n<i.length);break}if(5===i[1]&&o+n>=2||2===i[1]&&o+n>=5)break;i[1]&&(n=1)}while(++o+t<e.length&&o+n<i.length);for(a=2;a<i.length;++a)-1===i[a]&&(i[a]=0);return 38===i[0]?2===i[1]?(r.fg|=50331648,r.fg&=-16777216,r.fg|=p.AttributeData.fromColorRGB([i[3],i[4],i[5]])):5===i[1]&&(r.fg&=-50331904,r.fg|=33554432|255&i[3]):48===i[0]&&(2===i[1]?(r.bg|=50331648,r.bg&=-16777216,r.bg|=p.AttributeData.fromColorRGB([i[3],i[4],i[5]])):5===i[1]&&(r.bg&=-50331904,r.bg|=33554432|255&i[3])),o},t.prototype.charAttributes=function(e){if(1===e.length&&0===e.params[0])return this._curAttrData.fg=u.DEFAULT_ATTR_DATA.fg,void(this._curAttrData.bg=u.DEFAULT_ATTR_DATA.bg);for(var t,r=e.length,i=this._curAttrData,n=0;n<r;n++)(t=e.params[n])>=30&&t<=37?(i.fg&=-50331904,i.fg|=16777216|t-30):t>=40&&t<=47?(i.bg&=-50331904,i.bg|=16777216|t-40):t>=90&&t<=97?(i.fg&=-50331904,i.fg|=16777224|t-90):t>=100&&t<=107?(i.bg&=-50331904,i.bg|=16777224|t-100):0===t?(i.fg=u.DEFAULT_ATTR_DATA.fg,i.bg=u.DEFAULT_ATTR_DATA.bg):1===t?i.fg|=134217728:3===t?i.bg|=67108864:4===t?i.fg|=268435456:5===t?i.fg|=536870912:7===t?i.fg|=67108864:8===t?i.fg|=1073741824:2===t?i.bg|=134217728:22===t?(i.fg&=-134217729,i.bg&=-134217729):23===t?i.bg&=-67108865:24===t?i.fg&=-268435457:25===t?i.fg&=-536870913:27===t?i.fg&=-67108865:28===t?i.fg&=-1073741825:39===t?(i.fg&=-67108864,i.fg|=16777215&u.DEFAULT_ATTR_DATA.fg):49===t?(i.bg&=-67108864,i.bg|=16777215&u.DEFAULT_ATTR_DATA.bg):38===t||48===t?n+=this._extractColor(e,n,i):100===t?(i.fg&=-67108864,i.fg|=16777215&u.DEFAULT_ATTR_DATA.fg,i.bg&=-67108864,i.bg|=16777215&u.DEFAULT_ATTR_DATA.bg):this._logService.debug("Unknown SGR attribute: %d.",t)},t.prototype.deviceStatus=function(e){switch(e.params[0]){case 5:this._coreService.triggerDataEvent(o.C0.ESC+"[0n");break;case 6:var t=this._bufferService.buffer.y+1,r=this._bufferService.buffer.x+1;this._coreService.triggerDataEvent(o.C0.ESC+"["+t+";"+r+"R")}},t.prototype.deviceStatusPrivate=function(e){switch(e.params[0]){case 6:var t=this._bufferService.buffer.y+1,r=this._bufferService.buffer.x+1;this._coreService.triggerDataEvent(o.C0.ESC+"[?"+t+";"+r+"R")}},t.prototype.softReset=function(e){var t;this._coreService.isCursorHidden=!1,this._terminal.insertMode=!1,null===(t=this._terminal.viewport)||void 0===t||t.syncScrollArea(),this._bufferService.buffer.scrollTop=0,this._bufferService.buffer.scrollBottom=this._bufferService.rows-1,this._curAttrData=u.DEFAULT_ATTR_DATA.clone(),this._bufferService.buffer.x=this._bufferService.buffer.y=0,this._coreService.reset(),this._charsetService.reset()},t.prototype.setCursorStyle=function(e){var t=e.params[0]||1;switch(t){case 1:case 2:this._optionsService.options.cursorStyle="block";break;case 3:case 4:this._optionsService.options.cursorStyle="underline";break;case 5:case 6:this._optionsService.options.cursorStyle="bar"}var r=t%2==1;this._optionsService.options.cursorBlink=r},t.prototype.setScrollRegion=function(e){var t,r=e.params[0]||1;(e.length<2||(t=e.params[1])>this._bufferService.rows||0===t)&&(t=this._bufferService.rows),t>r&&(this._bufferService.buffer.scrollTop=r-1,this._bufferService.buffer.scrollBottom=t-1,this._setCursor(0,0))},t.prototype.windowOptions=function(e){if(m(e.params[0],this._optionsService.options.windowOptions)){var t=e.length>1?e.params[1]:0,r=this._instantiationService.getService(y.IRenderService);switch(e.params[0]){case 14:if(r&&2!==t){console.log(r.dimensions);var i=r.dimensions.scaledCanvasWidth.toFixed(0),n=r.dimensions.scaledCanvasHeight.toFixed(0);this._coreService.triggerDataEvent(o.C0.ESC+"[4;"+n+";"+i+"t")}break;case 16:if(r){i=r.dimensions.scaledCellWidth.toFixed(0),n=r.dimensions.scaledCellHeight.toFixed(0);this._coreService.triggerDataEvent(o.C0.ESC+"[6;"+n+";"+i+"t")}break;case 18:this._bufferService&&this._coreService.triggerDataEvent(o.C0.ESC+"[8;"+this._bufferService.rows+";"+this._bufferService.cols+"t");break;case 22:0!==t&&2!==t||(this._windowTitleStack.push(this._windowTitle),this._windowTitleStack.length>10&&this._windowTitleStack.shift()),0!==t&&1!==t||(this._iconNameStack.push(this._iconName),this._iconNameStack.length>10&&this._iconNameStack.shift());break;case 23:0!==t&&2!==t||this._windowTitleStack.length&&this.setTitle(this._windowTitleStack.pop()),0!==t&&1!==t||this._iconNameStack.length&&this.setIconName(this._iconNameStack.pop())}}},t.prototype.saveCursor=function(e){this._bufferService.buffer.savedX=this._bufferService.buffer.x,this._bufferService.buffer.savedY=this._bufferService.buffer.ybase+this._bufferService.buffer.y,this._bufferService.buffer.savedCurAttrData.fg=this._curAttrData.fg,this._bufferService.buffer.savedCurAttrData.bg=this._curAttrData.bg,this._bufferService.buffer.savedCharset=this._charsetService.charset},t.prototype.restoreCursor=function(e){this._bufferService.buffer.x=this._bufferService.buffer.savedX||0,this._bufferService.buffer.y=Math.max(this._bufferService.buffer.savedY-this._bufferService.buffer.ybase,0),this._curAttrData.fg=this._bufferService.buffer.savedCurAttrData.fg,this._curAttrData.bg=this._bufferService.buffer.savedCurAttrData.bg,this._charsetService.charset=this._savedCharset,this._bufferService.buffer.savedCharset&&(this._charsetService.charset=this._bufferService.buffer.savedCharset),this._restrictCursor()},t.prototype.setTitle=function(e){this._windowTitle=e,this._terminal.handleTitle(e)},t.prototype.setIconName=function(e){this._iconName=e},t.prototype.nextLine=function(){this._bufferService.buffer.x=0,this.index()},t.prototype.keypadApplicationMode=function(){var e;this._logService.debug("Serial port requested application keypad."),this._coreService.decPrivateModes.applicationKeypad=!0,null===(e=this._terminal.viewport)||void 0===e||e.syncScrollArea()},t.prototype.keypadNumericMode=function(){var e;this._logService.debug("Switching back to normal keypad."),this._coreService.decPrivateModes.applicationKeypad=!1,null===(e=this._terminal.viewport)||void 0===e||e.syncScrollArea()},t.prototype.selectDefaultCharset=function(){this._charsetService.setgLevel(0),this._charsetService.setgCharset(0,s.DEFAULT_CHARSET)},t.prototype.selectCharset=function(e){2===e.length?"/"!==e[0]&&this._charsetService.setgCharset(b[e[0]],s.CHARSETS[e[1]]||s.DEFAULT_CHARSET):this.selectDefaultCharset()},t.prototype.index=function(){this._restrictCursor();var e=this._bufferService.buffer;this._bufferService.buffer.y++,e.y===e.scrollBottom+1?(e.y--,this._terminal.scroll(this._eraseAttrData())):e.y>=this._bufferService.rows&&(e.y=this._bufferService.rows-1),this._restrictCursor()},t.prototype.tabSet=function(){this._bufferService.buffer.tabs[this._bufferService.buffer.x]=!0},t.prototype.reverseIndex=function(){this._restrictCursor();var e=this._bufferService.buffer;if(e.y===e.scrollTop){var t=e.scrollBottom-e.scrollTop;e.lines.shiftElements(e.y+e.ybase,t,1),e.lines.set(e.y+e.ybase,e.getBlankLine(this._eraseAttrData())),this._dirtyRowService.markRangeDirty(e.scrollTop,e.scrollBottom)}else e.y--,this._restrictCursor()},t.prototype.fullReset=function(){this._parser.reset(),this._onRequestReset.fire()},t.prototype.reset=function(){this._curAttrData=u.DEFAULT_ATTR_DATA.clone(),this._eraseAttrDataInternal=u.DEFAULT_ATTR_DATA.clone()},t.prototype._eraseAttrData=function(){return this._eraseAttrDataInternal.bg&=-67108864,this._eraseAttrDataInternal.bg|=67108863&this._curAttrData.bg,this._eraseAttrDataInternal},t.prototype.setgLevel=function(e){this._charsetService.setgLevel(e)},t.prototype.screenAlignmentPattern=function(){var e=new d.CellData;e.content=1<<22|"E".charCodeAt(0),e.fg=this._curAttrData.fg,e.bg=this._curAttrData.bg;var t=this._bufferService.buffer;this._setCursor(0,0);for(var r=0;r<this._bufferService.rows;++r){var i=t.y+t.ybase+r;t.lines.get(i).fill(e),t.lines.get(i).isWrapped=!1}this._dirtyRowService.markAllDirty(),this._setCursor(0,0)},t}(c.Disposable);t.InputHandler=C},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(2),s=r(15),a=r(19),c=r(20),l=r(22),h=function(){function e(e){this.table=new Uint8Array(e)}return e.prototype.setDefault=function(e,t){s.fill(this.table,e<<4|t)},e.prototype.add=function(e,t,r,i){this.table[t<<8|e]=r<<4|i},e.prototype.addMany=function(e,t,r,i){for(var n=0;n<e.length;n++)this.table[t<<8|e[n]]=r<<4|i},e}();t.TransitionTable=h;t.VT500_TRANSITION_TABLE=function(){var e=new h(4095),t=Array.apply(null,Array(256)).map(function(e,t){return t}),r=function(e,r){return t.slice(e,r)},i=r(32,127),n=r(0,24);n.push(25),n.push.apply(n,r(28,32));var o,s=r(0,14);for(o in e.setDefault(1,0),e.addMany(i,0,2,0),s)e.addMany([24,26,153,154],o,3,0),e.addMany(r(128,144),o,3,0),e.addMany(r(144,152),o,3,0),e.add(156,o,0,0),e.add(27,o,11,1),e.add(157,o,4,8),e.addMany([152,158,159],o,0,7),e.add(155,o,11,3),e.add(144,o,11,9);return e.addMany(n,0,3,0),e.addMany(n,1,3,1),e.add(127,1,0,1),e.addMany(n,8,0,8),e.addMany(n,3,3,3),e.add(127,3,0,3),e.addMany(n,4,3,4),e.add(127,4,0,4),e.addMany(n,6,3,6),e.addMany(n,5,3,5),e.add(127,5,0,5),e.addMany(n,2,3,2),e.add(127,2,0,2),e.add(93,1,4,8),e.addMany(i,8,5,8),e.add(127,8,5,8),e.addMany([156,27,24,26,7],8,6,0),e.addMany(r(28,32),8,0,8),e.addMany([88,94,95],1,0,7),e.addMany(i,7,0,7),e.addMany(n,7,0,7),e.add(156,7,0,0),e.add(127,7,0,7),e.add(91,1,11,3),e.addMany(r(64,127),3,7,0),e.addMany(r(48,60),3,8,4),e.addMany([60,61,62,63],3,9,4),e.addMany(r(48,60),4,8,4),e.addMany(r(64,127),4,7,0),e.addMany([60,61,62,63],4,0,6),e.addMany(r(32,64),6,0,6),e.add(127,6,0,6),e.addMany(r(64,127),6,0,0),e.addMany(r(32,48),3,9,5),e.addMany(r(32,48),5,9,5),e.addMany(r(48,64),5,0,6),e.addMany(r(64,127),5,7,0),e.addMany(r(32,48),4,9,5),e.addMany(r(32,48),1,9,2),e.addMany(r(32,48),2,9,2),e.addMany(r(48,127),2,10,0),e.addMany(r(48,80),1,10,0),e.addMany(r(81,88),1,10,0),e.addMany([89,90,92],1,10,0),e.addMany(r(96,127),1,10,0),e.add(80,1,11,9),e.addMany(n,9,0,9),e.add(127,9,0,9),e.addMany(r(28,32),9,0,9),e.addMany(r(32,48),9,9,12),e.addMany(r(48,60),9,8,10),e.addMany([60,61,62,63],9,9,10),e.addMany(n,11,0,11),e.addMany(r(32,128),11,0,11),e.addMany(r(28,32),11,0,11),e.addMany(n,10,0,10),e.add(127,10,0,10),e.addMany(r(28,32),10,0,10),e.addMany(r(48,60),10,8,10),e.addMany([60,61,62,63],10,0,11),e.addMany(r(32,48),10,9,12),e.addMany(n,12,0,12),e.add(127,12,0,12),e.addMany(r(28,32),12,0,12),e.addMany(r(32,48),12,9,12),e.addMany(r(48,64),12,0,11),e.addMany(r(64,127),12,12,13),e.addMany(r(64,127),10,12,13),e.addMany(r(64,127),9,12,13),e.addMany(n,13,13,13),e.addMany(i,13,13,13),e.add(127,13,0,13),e.addMany([27,156,24,26],13,14,0),e.add(160,0,2,0),e.add(160,8,5,8),e.add(160,6,0,6),e.add(160,11,0,11),e.add(160,13,13,13),e}();var u=function(e){function r(r){void 0===r&&(r=t.VT500_TRANSITION_TABLE);var i=e.call(this)||this;return i.TRANSITIONS=r,i.initialState=0,i.currentState=i.initialState,i._params=new a.Params,i._params.addParam(0),i._collect=0,i.precedingCodepoint=0,i._printHandlerFb=function(e,t,r){},i._executeHandlerFb=function(e){},i._csiHandlerFb=function(e,t){},i._escHandlerFb=function(e){},i._errorHandlerFb=function(e){return e},i._printHandler=i._printHandlerFb,i._executeHandlers=Object.create(null),i._csiHandlers=Object.create(null),i._escHandlers=Object.create(null),i._oscParser=new c.OscParser,i._dcsParser=new l.DcsParser,i._errorHandler=i._errorHandlerFb,i.setEscHandler({final:"\\"},function(){}),i}return n(r,e),r.prototype._identifier=function(e,t){void 0===t&&(t=[64,126]);var r=0;if(e.prefix){if(e.prefix.length>1)throw new Error("only one byte as prefix supported");if((r=e.prefix.charCodeAt(0))&&60>r||r>63)throw new Error("prefix must be in range 0x3c .. 0x3f")}if(e.intermediates){if(e.intermediates.length>2)throw new Error("only two bytes as intermediates are supported");for(var i=0;i<e.intermediates.length;++i){var n=e.intermediates.charCodeAt(i);if(32>n||n>47)throw new Error("intermediate must be in range 0x20 .. 0x2f");r<<=8,r|=n}}if(1!==e.final.length)throw new Error("final must be a single byte");var o=e.final.charCodeAt(0);if(t[0]>o||o>t[1])throw new Error("final must be in range "+t[0]+" .. "+t[1]);return r<<=8,r|=o},r.prototype.identToString=function(e){for(var t=[];e;)t.push(String.fromCharCode(255&e)),e>>=8;return t.reverse().join("")},r.prototype.dispose=function(){this._csiHandlers=Object.create(null),this._executeHandlers=Object.create(null),this._escHandlers=Object.create(null),this._oscParser.dispose(),this._dcsParser.dispose()},r.prototype.setPrintHandler=function(e){this._printHandler=e},r.prototype.clearPrintHandler=function(){this._printHandler=this._printHandlerFb},r.prototype.addEscHandler=function(e,t){var r=this._identifier(e,[48,126]);void 0===this._escHandlers[r]&&(this._escHandlers[r]=[]);var i=this._escHandlers[r];return i.push(t),{dispose:function(){var e=i.indexOf(t);-1!==e&&i.splice(e,1)}}},r.prototype.setEscHandler=function(e,t){this._escHandlers[this._identifier(e,[48,126])]=[t]},r.prototype.clearEscHandler=function(e){this._escHandlers[this._identifier(e,[48,126])]&&delete this._escHandlers[this._identifier(e,[48,126])]},r.prototype.setEscHandlerFallback=function(e){this._escHandlerFb=e},r.prototype.setExecuteHandler=function(e,t){this._executeHandlers[e.charCodeAt(0)]=t},r.prototype.clearExecuteHandler=function(e){this._executeHandlers[e.charCodeAt(0)]&&delete this._executeHandlers[e.charCodeAt(0)]},r.prototype.setExecuteHandlerFallback=function(e){this._executeHandlerFb=e},r.prototype.addCsiHandler=function(e,t){var r=this._identifier(e);void 0===this._csiHandlers[r]&&(this._csiHandlers[r]=[]);var i=this._csiHandlers[r];return i.push(t),{dispose:function(){var e=i.indexOf(t);-1!==e&&i.splice(e,1)}}},r.prototype.setCsiHandler=function(e,t){this._csiHandlers[this._identifier(e)]=[t]},r.prototype.clearCsiHandler=function(e){this._csiHandlers[this._identifier(e)]&&delete this._csiHandlers[this._identifier(e)]},r.prototype.setCsiHandlerFallback=function(e){this._csiHandlerFb=e},r.prototype.addDcsHandler=function(e,t){return this._dcsParser.addHandler(this._identifier(e),t)},r.prototype.setDcsHandler=function(e,t){this._dcsParser.setHandler(this._identifier(e),t)},r.prototype.clearDcsHandler=function(e){this._dcsParser.clearHandler(this._identifier(e))},r.prototype.setDcsHandlerFallback=function(e){this._dcsParser.setHandlerFallback(e)},r.prototype.addOscHandler=function(e,t){return this._oscParser.addHandler(e,t)},r.prototype.setOscHandler=function(e,t){this._oscParser.setHandler(e,t)},r.prototype.clearOscHandler=function(e){this._oscParser.clearHandler(e)},r.prototype.setOscHandlerFallback=function(e){this._oscParser.setHandlerFallback(e)},r.prototype.setErrorHandler=function(e){this._errorHandler=e},r.prototype.clearErrorHandler=function(){this._errorHandler=this._errorHandlerFb},r.prototype.reset=function(){this.currentState=this.initialState,this._oscParser.reset(),this._dcsParser.reset(),this._params.reset(),this._params.addParam(0),this._collect=0,this.precedingCodepoint=0},r.prototype.parse=function(e,t){for(var r=0,i=0,n=this.currentState,o=this._oscParser,s=this._dcsParser,a=this._collect,c=this._params,l=this.TRANSITIONS.table,h=0;h<t;++h){switch((i=l[n<<8|((r=e[h])<160?r:160)])>>4){case 2:for(var u=h+1;;++u){if(u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}}break;case 3:this._executeHandlers[r]?this._executeHandlers[r]():this._executeHandlerFb(r),this.precedingCodepoint=0;break;case 0:break;case 1:if(this._errorHandler({position:h,code:r,currentState:n,collect:a,params:c,abort:!1}).abort)return;break;case 7:for(var f=this._csiHandlers[a<<8|r],_=f?f.length-1:-1;_>=0&&!1===f[_](c);_--);_<0&&this._csiHandlerFb(a<<8|r,c),this.precedingCodepoint=0;break;case 8:do{switch(r){case 59:c.addParam(0);break;case 58:c.addSubParam(-1);break;default:c.addDigit(r-48)}}while(++h<t&&(r=e[h])>47&&r<60);h--;break;case 9:a<<=8,a|=r;break;case 10:for(var d=this._escHandlers[a<<8|r],p=d?d.length-1:-1;p>=0&&!1===d[p]();p--);p<0&&this._escHandlerFb(a<<8|r),this.precedingCodepoint=0;break;case 11:c.reset(),c.addParam(0),a=0;break;case 12:s.hook(a<<8|r,c);break;case 13:for(var v=h+1;;++v)if(v>=t||24===(r=e[v])||26===r||27===r||r>127&&r<160){s.put(e,h,v),h=v-1;break}break;case 14:s.unhook(24!==r&&26!==r),27===r&&(i|=1),c.reset(),c.addParam(0),a=0,this.precedingCodepoint=0;break;case 4:o.start();break;case 5:for(var g=h+1;;g++)if(g>=t||(r=e[g])<32||r>127&&r<=159){o.put(e,h,g),h=g-1;break}break;case 6:o.end(24!==r&&26!==r),27===r&&(i|=1),c.reset(),c.addParam(0),a=0,this.precedingCodepoint=0}n=15&i}this._collect=a,this.currentState=n},r}(o.Disposable);t.EscapeSequenceParser=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},s=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var a=r(40),c=r(46),l=r(47),h=r(48),u=r(27),f=r(2),_=r(4),d=r(0),p=r(23),v=r(1),g=1,y=function(e){function t(t,r,i,n,o,s,f,_){var d=e.call(this)||this;d._colors=t,d._screenElement=r,d._linkifier=i,d._bufferService=n,d._charSizeService=o,d._optionsService=s,d.coreService=f,d.coreBrowserService=_,d._id=g++,d._onRequestRefreshRows=new v.EventEmitter;var p=d._optionsService.options.allowTransparency;return d._characterJoinerRegistry=new u.CharacterJoinerRegistry(d._bufferService),d._renderLayers=[new a.TextRenderLayer(d._screenElement,0,d._colors,d._characterJoinerRegistry,p,d._id,d._bufferService,s),new c.SelectionRenderLayer(d._screenElement,1,d._colors,d._id,d._bufferService,s),new h.LinkRenderLayer(d._screenElement,2,d._colors,d._id,d._linkifier,d._bufferService,s),new l.CursorRenderLayer(d._screenElement,3,d._colors,d._id,d._onRequestRefreshRows,d._bufferService,s,f,_)],d.dimensions={scaledCharWidth:0,scaledCharHeight:0,scaledCellWidth:0,scaledCellHeight:0,scaledCharLeft:0,scaledCharTop:0,scaledCanvasWidth:0,scaledCanvasHeight:0,canvasWidth:0,canvasHeight:0,actualCellWidth:0,actualCellHeight:0},d._devicePixelRatio=window.devicePixelRatio,d._updateDimensions(),d.onOptionsChanged(),d}return n(t,e),Object.defineProperty(t.prototype,"onRequestRefreshRows",{get:function(){return this._onRequestRefreshRows.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._renderLayers.forEach(function(e){return e.dispose()}),p.removeTerminalFromCache(this._id)},t.prototype.onDevicePixelRatioChange=function(){this._devicePixelRatio!==window.devicePixelRatio&&(this._devicePixelRatio=window.devicePixelRatio,this.onResize(this._bufferService.cols,this._bufferService.rows))},t.prototype.setColors=function(e){var t=this;this._colors=e,this._renderLayers.forEach(function(e){e.setColors(t._colors),e.reset()})},t.prototype.onResize=function(e,t){var r=this;this._updateDimensions(),this._renderLayers.forEach(function(e){return e.resize(r.dimensions)}),this._screenElement.style.width=this.dimensions.canvasWidth+"px",this._screenElement.style.height=this.dimensions.canvasHeight+"px"},t.prototype.onCharSizeChanged=function(){this.onResize(this._bufferService.cols,this._bufferService.rows)},t.prototype.onBlur=function(){this._runOperation(function(e){return e.onBlur()})},t.prototype.onFocus=function(){this._runOperation(function(e){return e.onFocus()})},t.prototype.onSelectionChanged=function(e,t,r){void 0===r&&(r=!1),this._runOperation(function(i){return i.onSelectionChanged(e,t,r)})},t.prototype.onCursorMove=function(){this._runOperation(function(e){return e.onCursorMove()})},t.prototype.onOptionsChanged=function(){this._runOperation(function(e){return e.onOptionsChanged()})},t.prototype.clear=function(){this._runOperation(function(e){return e.reset()})},t.prototype._runOperation=function(e){this._renderLayers.forEach(function(t){return e(t)})},t.prototype.renderRows=function(e,t){this._renderLayers.forEach(function(r){return r.onGridChanged(e,t)})},t.prototype._updateDimensions=function(){this._charSizeService.hasValidSize&&(this.dimensions.scaledCharWidth=Math.floor(this._charSizeService.width*window.devicePixelRatio),this.dimensions.scaledCharHeight=Math.ceil(this._charSizeService.height*window.devicePixelRatio),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._optionsService.options.lineHeight),this.dimensions.scaledCharTop=1===this._optionsService.options.lineHeight?0:Math.round((this.dimensions.scaledCellHeight-this.dimensions.scaledCharHeight)/2),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._optionsService.options.letterSpacing),this.dimensions.scaledCharLeft=Math.floor(this._optionsService.options.letterSpacing/2),this.dimensions.scaledCanvasHeight=this._bufferService.rows*this.dimensions.scaledCellHeight,this.dimensions.scaledCanvasWidth=this._bufferService.cols*this.dimensions.scaledCellWidth,this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._bufferService.rows,this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._bufferService.cols)},t.prototype.registerCharacterJoiner=function(e){return this._characterJoinerRegistry.registerCharacterJoiner(e)},t.prototype.deregisterCharacterJoiner=function(e){return this._characterJoinerRegistry.deregisterCharacterJoiner(e)},t=o([s(3,d.IBufferService),s(4,_.ICharSizeService),s(5,d.IOptionsService),s(6,d.ICoreService),s(7,_.ICoreBrowserService)],t)}(f.Disposable);t.Renderer=y},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(41),s=r(13),a=r(6),c=r(3),l=r(27),h=r(5),u=function(e){function t(t,r,i,n,s,a,c,l){var u=e.call(this,t,"text",r,s,i,a,c,l)||this;return u.bufferService=c,u.optionsService=l,u._characterWidth=0,u._characterFont="",u._characterOverlapCache={},u._workCell=new h.CellData,u._state=new o.GridCache,u._characterJoinerRegistry=n,u}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t);var r=this._getFont(!1,!1);this._characterWidth===t.scaledCharWidth&&this._characterFont===r||(this._characterWidth=t.scaledCharWidth,this._characterFont=r,this._characterOverlapCache={}),this._state.clear(),this._state.resize(this._bufferService.cols,this._bufferService.rows)},t.prototype.reset=function(){this._state.clear(),this._clearAll()},t.prototype._forEachCell=function(e,t,r,i){for(var n=e;n<=t;n++)for(var o=n+this._bufferService.buffer.ydisp,s=this._bufferService.buffer.lines.get(o),a=r?r.getJoinedCharacters(o):[],h=0;h<this._bufferService.cols;h++){s.loadCell(h,this._workCell);var u=this._workCell,f=!1,_=h;if(0!==u.getWidth()){if(a.length>0&&h===a[0][0]){f=!0;var d=a.shift();u=new l.JoinedCellData(this._workCell,s.translateToString(!0,d[0],d[1]),d[1]-d[0]),_=d[1]-1}!f&&this._isOverlapping(u)&&_<s.length-1&&s.getCodePoint(_+1)===c.NULL_CELL_CODE&&(u.content&=-12582913,u.content|=2<<22),i(u,h,n),h=_}}},t.prototype._drawBackground=function(e,t){var r=this,i=this._ctx,n=this._bufferService.cols,o=0,s=0,c=null;i.save(),this._forEachCell(e,t,null,function(e,t,l){var h=null;e.isInverse()?h=e.isFgDefault()?r._colors.foreground.css:e.isFgRGB()?"rgb("+a.AttributeData.toColorRGB(e.getFgColor()).join(",")+")":r._colors.ansi[e.getFgColor()].css:e.isBgRGB()?h="rgb("+a.AttributeData.toColorRGB(e.getBgColor()).join(",")+")":e.isBgPalette()&&(h=r._colors.ansi[e.getBgColor()].css),null===c&&(o=t,s=l),l!==s?(i.fillStyle=c||"",r._fillCells(o,s,n-o,1),o=t,s=l):c!==h&&(i.fillStyle=c||"",r._fillCells(o,s,t-o,1),o=t,s=l),c=h}),null!==c&&(i.fillStyle=c,this._fillCells(o,s,n-o,1)),i.restore()},t.prototype._drawForeground=function(e,t){var r=this;this._forEachCell(e,t,this._characterJoinerRegistry,function(e,t,i){if(!e.isInvisible()&&(r._drawChars(e,t,i),e.isUnderline())){if(r._ctx.save(),e.isInverse())if(e.isBgDefault())r._ctx.fillStyle=r._colors.background.css;else if(e.isBgRGB())r._ctx.fillStyle="rgb("+a.AttributeData.toColorRGB(e.getBgColor()).join(",")+")";else{var n=e.getBgColor();r._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&n<8&&(n+=8),r._ctx.fillStyle=r._colors.ansi[n].css}else if(e.isFgDefault())r._ctx.fillStyle=r._colors.foreground.css;else if(e.isFgRGB())r._ctx.fillStyle="rgb("+a.AttributeData.toColorRGB(e.getFgColor()).join(",")+")";else{var o=e.getFgColor();r._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&o<8&&(o+=8),r._ctx.fillStyle=r._colors.ansi[o].css}r._fillBottomLineAtCells(t,i,e.getWidth()),r._ctx.restore()}})},t.prototype.onGridChanged=function(e,t){0!==this._state.cache.length&&(this._charAtlas&&this._charAtlas.beginFrame(),this._clearCells(0,e,this._bufferService.cols,t-e+1),this._drawBackground(e,t),this._drawForeground(e,t))},t.prototype.onOptionsChanged=function(){this._setTransparency(this._optionsService.options.allowTransparency)},t.prototype._isOverlapping=function(e){if(1!==e.getWidth())return!1;if(e.getCode()<256)return!1;var t=e.getChars();if(this._characterOverlapCache.hasOwnProperty(t))return this._characterOverlapCache[t];this._ctx.save(),this._ctx.font=this._characterFont;var r=Math.floor(this._ctx.measureText(t).width)>this._characterWidth;return this._ctx.restore(),this._characterOverlapCache[t]=r,r},t}(s.BaseRenderLayer);t.TextRenderLayer=u},function(e,t,r){"use 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p(e){return e.code<<21|e.bg<<12|e.fg<<3|(e.bold?0:4)+(e.dim?0:2)+(e.italic?0:1)}t.getGlyphCacheKey=p;var v=function(e){function t(t,r){var i=e.call(this)||this;i._config=r,i._drawToCacheCount=0,i._glyphsWaitingOnBitmap=[],i._bitmapCommitTimeout=null,i._bitmap=null,i._cacheCanvas=t.createElement("canvas"),i._cacheCanvas.width=f,i._cacheCanvas.height=_,i._cacheCtx=h.throwIfFalsy(i._cacheCanvas.getContext("2d",{alpha:!0}));var n=t.createElement("canvas");n.width=i._config.scaledCharWidth,n.height=i._config.scaledCharHeight,i._tmpCtx=h.throwIfFalsy(n.getContext("2d",{alpha:i._config.allowTransparency})),i._width=Math.floor(f/i._config.scaledCharWidth),i._height=Math.floor(_/i._config.scaledCharHeight);var o=i._width*i._height;return i._cacheMap=new c.LRUMap(o),i._cacheMap.prealloc(o),i}return n(t,e),t.prototype.dispose=function(){null!==this._bitmapCommitTimeout&&(window.clearTimeout(this._bitmapCommitTimeout),this._bitmapCommitTimeout=null)},t.prototype.beginFrame=function(){this._drawToCacheCount=0},t.prototype.draw=function(e,t,r,i){if(32===t.code)return!0;if(!this._canCache(t))return!1;var n=p(t),o=this._cacheMap.get(n);if(null!=o)return this._drawFromCache(e,o,r,i),!0;if(this._drawToCacheCount<100){var s=void 0;s=this._cacheMap.size<this._cacheMap.capacity?this._cacheMap.size:this._cacheMap.peek().index;var a=this._drawToCache(t,s);return this._cacheMap.set(n,a),this._drawFromCache(e,a,r,i),!0}return!1},t.prototype._canCache=function(e){return e.code<256},t.prototype._toCoordinateX=function(e){return e%this._width*this._config.scaledCharWidth},t.prototype._toCoordinateY=function(e){return Math.floor(e/this._width)*this._config.scaledCharHeight},t.prototype._drawFromCache=function(e,t,r,i){if(!t.isEmpty){var n=this._toCoordinateX(t.index),o=this._toCoordinateY(t.index);e.drawImage(t.inBitmap?this._bitmap:this._cacheCanvas,n,o,this._config.scaledCharWidth,this._config.scaledCharHeight,r,i,this._config.scaledCharWidth,this._config.scaledCharHeight)}},t.prototype._getColorFromAnsiIndex=function(e){return e<this._config.colors.ansi.length?this._config.colors.ansi[e]:a.DEFAULT_ANSI_COLORS[e]},t.prototype._getBackgroundColor=function(e){return this._config.allowTransparency?d:e.bg===o.INVERTED_DEFAULT_COLOR?this._config.colors.foreground:e.bg<256?this._getColorFromAnsiIndex(e.bg):this._config.colors.background},t.prototype._getForegroundColor=function(e){return e.fg===o.INVERTED_DEFAULT_COLOR?u.color.opaque(this._config.colors.background):e.fg<256?this._getColorFromAnsiIndex(e.fg):this._config.colors.foreground},t.prototype._drawToCache=function(e,t){this._drawToCacheCount++,this._tmpCtx.save();var r=this._getBackgroundColor(e);this._tmpCtx.globalCompositeOperation="copy",this._tmpCtx.fillStyle=r.css,this._tmpCtx.fillRect(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),this._tmpCtx.globalCompositeOperation="source-over";var i=e.bold?this._config.fontWeightBold:this._config.fontWeight,n=e.italic?"italic":"";this._tmpCtx.font=n+" "+i+" "+this._config.fontSize*this._config.devicePixelRatio+"px "+this._config.fontFamily,this._tmpCtx.textBaseline="middle",this._tmpCtx.fillStyle=this._getForegroundColor(e).css,e.dim&&(this._tmpCtx.globalAlpha=o.DIM_OPACITY),this._tmpCtx.fillText(e.chars,0,this._config.scaledCharHeight/2),this._tmpCtx.restore();var s=this._tmpCtx.getImageData(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),a=!1;this._config.allowTransparency||(a=function(e,t){for(var r=!0,i=t.rgba>>>24,n=t.rgba>>>16&255,o=t.rgba>>>8&255,s=0;s<e.data.length;s+=4)e.data[s]===i&&e.data[s+1]===n&&e.data[s+2]===o?e.data[s+3]=0:r=!1;return r}(s,r));var c=this._toCoordinateX(t),l=this._toCoordinateY(t);this._cacheCtx.putImageData(s,c,l);var h={index:t,isEmpty:a,inBitmap:!1};return this._addGlyphToBitmap(h),h},t.prototype._addGlyphToBitmap=function(e){var t=this;"createImageBitmap"in window&&!l.isFirefox&&!l.isSafari&&(this._glyphsWaitingOnBitmap.push(e),null===this._bitmapCommitTimeout&&(this._bitmapCommitTimeout=window.setTimeout(function(){return t._generateBitmap()},100)))},t.prototype._generateBitmap=function(){var e=this,t=this._glyphsWaitingOnBitmap;this._glyphsWaitingOnBitmap=[],window.createImageBitmap(this._cacheCanvas).then(function(r){e._bitmap=r;for(var i=0;i<t.length;i++){t[i].inBitmap=!0}}),this._bitmapCommitTimeout=null},t}(s.BaseCharAtlas);t.DynamicCharAtlas=v;var g=function(e){function t(t,r){return e.call(this)||this}return n(t,e),t.prototype.draw=function(e,t,r,i){return!1},t}(s.BaseCharAtlas);t.NoneCharAtlas=g},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this._didWarmUp=!1}return e.prototype.dispose=function(){},e.prototype.warmUp=function(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)},e.prototype._doWarmUp=function(){},e.prototype.beginFrame=function(){},e}();t.BaseCharAtlas=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this._color={},this._rgba={}}return e.prototype.clear=function(){this._color={},this._rgba={}},e.prototype.setCss=function(e,t,r){this._rgba[e]||(this._rgba[e]={}),this._rgba[e][t]=r},e.prototype.getCss=function(e,t){return this._rgba[e]?this._rgba[e][t]:void 0},e.prototype.setColor=function(e,t,r){this._color[e]||(this._color[e]={}),this._color[e][t]=r},e.prototype.getColor=function(e,t){return this._color[e]?this._color[e][t]:void 0},e}();t.ColorContrastCache=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this.capacity=e,this._map={},this._head=null,this._tail=null,this._nodePool=[],this.size=0}return e.prototype._unlinkNode=function(e){var t=e.prev,r=e.next;e===this._head&&(this._head=r),e===this._tail&&(this._tail=t),null!==t&&(t.next=r),null!==r&&(r.prev=t)},e.prototype._appendNode=function(e){var t=this._tail;null!==t&&(t.next=e),e.prev=t,e.next=null,this._tail=e,null===this._head&&(this._head=e)},e.prototype.prealloc=function(e){for(var t=this._nodePool,r=0;r<e;r++)t.push({prev:null,next:null,key:null,value:null})},e.prototype.get=function(e){var t=this._map[e];return void 0!==t?(this._unlinkNode(t),this._appendNode(t),t.value):null},e.prototype.peekValue=function(e){var t=this._map[e];return void 0!==t?t.value:null},e.prototype.peek=function(){var e=this._head;return null===e?null:e.value},e.prototype.set=function(e,t){var r=this._map[e];if(void 0!==r)r=this._map[e],this._unlinkNode(r),r.value=t;else if(this.size>=this.capacity)r=this._head,this._unlinkNode(r),delete this._map[r.key],r.key=e,r.value=t,this._map[e]=r;else{var i=this._nodePool;i.length>0?((r=i.pop()).key=e,r.value=t):r={prev:null,next:null,key:e,value:t},this._map[e]=r,this.size++}this._appendNode(r)},e}();t.LRUMap=i},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=function(e){function t(t,r,i,n,o,s){var a=e.call(this,t,"selection",r,!0,i,n,o,s)||this;return a.bufferService=o,a.optionsService=s,a._clearState(),a}return n(t,e),t.prototype._clearState=function(){this._state={start:void 0,end:void 0,columnSelectMode:void 0,ydisp:void 0}},t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._clearState()},t.prototype.reset=function(){this._state.start&&this._state.end&&(this._clearState(),this._clearAll())},t.prototype.onSelectionChanged=function(e,t,r){if(this._didStateChange(e,t,r,this._bufferService.buffer.ydisp))if(this._clearAll(),e&&t){var i=e[1]-this._bufferService.buffer.ydisp,n=t[1]-this._bufferService.buffer.ydisp,o=Math.max(i,0),s=Math.min(n,this._bufferService.rows-1);if(!(o>=this._bufferService.rows||s<0)){if(this._ctx.fillStyle=this._colors.selection.css,r){var a=e[0],c=t[0]-a,l=s-o+1;this._fillCells(a,o,c,l)}else{a=i===o?e[0]:0;var h=o===s?t[0]:this._bufferService.cols;this._fillCells(a,o,h-a,1);var u=Math.max(s-o-1,0);if(this._fillCells(0,o+1,this._bufferService.cols,u),o!==s){var f=n===s?t[0]:this._bufferService.cols;this._fillCells(0,s,f,1)}}this._state.start=[e[0],e[1]],this._state.end=[t[0],t[1]],this._state.columnSelectMode=r,this._state.ydisp=this._bufferService.buffer.ydisp}}else this._clearState()},t.prototype._didStateChange=function(e,t,r,i){return!this._areCoordinatesEqual(e,this._state.start)||!this._areCoordinatesEqual(t,this._state.end)||r!==this._state.columnSelectMode||i!==this._state.ydisp},t.prototype._areCoordinatesEqual=function(e,t){return!(!e||!t)&&(e[0]===t[0]&&e[1]===t[1])},t}(r(13).BaseRenderLayer);t.SelectionRenderLayer=o},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(13),s=r(5),a=function(e){function t(t,r,i,n,o,a,c,l,h){var u=e.call(this,t,"cursor",r,!0,i,n,a,c)||this;return u._onRequestRefreshRowsEvent=o,u.bufferService=a,u.optionsService=c,u._coreService=l,u._coreBrowserService=h,u._cell=new s.CellData,u._state={x:0,y:0,isFocused:!1,style:"",width:0},u._cursorRenderers={bar:u._renderBarCursor.bind(u),block:u._renderBlockCursor.bind(u),underline:u._renderUnderlineCursor.bind(u)},u}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._state={x:0,y:0,isFocused:!1,style:"",width:0}},t.prototype.reset=function(){this._clearCursor(),this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=void 0,this.onOptionsChanged())},t.prototype.onBlur=function(){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.pause(),this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onFocus=function(){this._cursorBlinkStateManager?this._cursorBlinkStateManager.resume():this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onOptionsChanged=function(){var e,t=this;this._optionsService.options.cursorBlink?this._cursorBlinkStateManager||(this._cursorBlinkStateManager=new c(this._coreBrowserService.isFocused,function(){t._render(!0)})):(null===(e=this._cursorBlinkStateManager)||void 0===e||e.dispose(),this._cursorBlinkStateManager=void 0),this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onCursorMove=function(){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.restartBlinkAnimation()},t.prototype.onGridChanged=function(e,t){!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isPaused?this._render(!1):this._cursorBlinkStateManager.restartBlinkAnimation()},t.prototype._render=function(e){if(this._coreService.isCursorInitialized&&!this._coreService.isCursorHidden){var t=this._bufferService.buffer.ybase+this._bufferService.buffer.y,r=t-this._bufferService.buffer.ydisp;if(r<0||r>=this._bufferService.rows)this._clearCursor();else if(this._bufferService.buffer.lines.get(t).loadCell(this._bufferService.buffer.x,this._cell),void 0!==this._cell.content){if(!this._coreBrowserService.isFocused){this._clearCursor(),this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css;var i=this._optionsService.options.cursorStyle;return i&&"block"!==i?this._cursorRenderers[i](this._bufferService.buffer.x,r,this._cell):this._renderBlurCursor(this._bufferService.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=this._bufferService.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=i,void(this._state.width=this._cell.getWidth())}if(!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isCursorVisible){if(this._state){if(this._state.x===this._bufferService.buffer.x&&this._state.y===r&&this._state.isFocused===this._coreBrowserService.isFocused&&this._state.style===this._optionsService.options.cursorStyle&&this._state.width===this._cell.getWidth())return;this._clearCursor()}this._ctx.save(),this._cursorRenderers[this._optionsService.options.cursorStyle||"block"](this._bufferService.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=this._bufferService.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=this._optionsService.options.cursorStyle,this._state.width=this._cell.getWidth()}else this._clearCursor()}}else this._clearCursor()},t.prototype._clearCursor=function(){this._state&&(this._clearCells(this._state.x,this._state.y,this._state.width,1),this._state={x:0,y:0,isFocused:!1,style:"",width:0})},t.prototype._renderBarCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillLeftLineAtCell(e,t,this._optionsService.options.cursorWidth),this._ctx.restore()},t.prototype._renderBlockCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillCells(e,t,r.getWidth(),1),this._ctx.fillStyle=this._colors.cursorAccent.css,this._fillCharTrueColor(r,e,t),this._ctx.restore()},t.prototype._renderUnderlineCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillBottomLineAtCells(e,t),this._ctx.restore()},t.prototype._renderBlurCursor=function(e,t,r){this._ctx.save(),this._ctx.strokeStyle=this._colors.cursor.css,this._strokeRectAtCell(e,t,r.getWidth(),1),this._ctx.restore()},t}(o.BaseRenderLayer);t.CursorRenderLayer=a;var c=function(){function e(e,t){this._renderCallback=t,this.isCursorVisible=!0,e&&this._restartInterval()}return Object.defineProperty(e.prototype,"isPaused",{get:function(){return!(this._blinkStartTimeout||this._blinkInterval)},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},e.prototype.restartBlinkAnimation=function(){var e=this;this.isPaused||(this._animationTimeRestarted=Date.now(),this.isCursorVisible=!0,this._animationFrame||(this._animationFrame=window.requestAnimationFrame(function(){e._renderCallback(),e._animationFrame=void 0})))},e.prototype._restartInterval=function(e){var t=this;void 0===e&&(e=600),this._blinkInterval&&window.clearInterval(this._blinkInterval),this._blinkStartTimeout=setTimeout(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);if(t._animationTimeRestarted=void 0,e>0)return void t._restartInterval(e)}t.isCursorVisible=!1,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=void 0}),t._blinkInterval=setInterval(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);return t._animationTimeRestarted=void 0,void t._restartInterval(e)}t.isCursorVisible=!t.isCursorVisible,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=void 0})},600)},e)},e.prototype.pause=function(){this.isCursorVisible=!0,this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},e.prototype.resume=function(){this._animationTimeRestarted=void 0,this._restartInterval(),this.restartBlinkAnimation()},e}()},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(13),s=r(9),a=r(24),c=function(e){function t(t,r,i,n,o,s,a){var c=e.call(this,t,"link",r,!0,i,n,s,a)||this;return c.bufferService=s,c.optionsService=a,o.onLinkHover(function(e){return c._onLinkHover(e)}),o.onLinkLeave(function(e){return c._onLinkLeave(e)}),c}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._state=void 0},t.prototype.reset=function(){this._clearCurrentLink()},t.prototype._clearCurrentLink=function(){if(this._state){this._clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);var e=this._state.y2-this._state.y1-1;e>0&&this._clearCells(0,this._state.y1+1,this._state.cols,e),this._clearCells(0,this._state.y2,this._state.x2,1),this._state=void 0}},t.prototype._onLinkHover=function(e){if(e.fg===s.INVERTED_DEFAULT_COLOR?this._ctx.fillStyle=this._colors.background.css:e.fg&&a.is256Color(e.fg)?this._ctx.fillStyle=this._colors.ansi[e.fg].css:this._ctx.fillStyle=this._colors.foreground.css,e.y1===e.y2)this._fillBottomLineAtCells(e.x1,e.y1,e.x2-e.x1);else{this._fillBottomLineAtCells(e.x1,e.y1,e.cols-e.x1);for(var t=e.y1+1;t<e.y2;t++)this._fillBottomLineAtCells(0,t,e.cols);this._fillBottomLineAtCells(0,e.y2,e.x2)}this._state=e},t.prototype._onLinkLeave=function(e){this._clearCurrentLink()},t}(o.BaseRenderLayer);t.LinkRenderLayer=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(1),n=function(){function e(e,t,r,n){this._bufferService=e,this._logService=t,this._optionsService=r,this._unicodeService=n,this._linkMatchers=[],this._nextLinkMatcherId=0,this._onLinkHover=new i.EventEmitter,this._onLinkLeave=new i.EventEmitter,this._onLinkTooltip=new i.EventEmitter,this._rowsToLinkify={start:void 0,end:void 0}}return Object.defineProperty(e.prototype,"onLinkHover",{get:function(){return this._onLinkHover.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onLinkLeave",{get:function(){return this._onLinkLeave.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onLinkTooltip",{get:function(){return this._onLinkTooltip.event},enumerable:!0,configurable:!0}),e.prototype.attachToDom=function(e,t){this._element=e,this._mouseZoneManager=t},e.prototype.linkifyRows=function(t,r){var i=this;this._mouseZoneManager&&(void 0===this._rowsToLinkify.start||void 0===this._rowsToLinkify.end?(this._rowsToLinkify.start=t,this._rowsToLinkify.end=r):(this._rowsToLinkify.start=Math.min(this._rowsToLinkify.start,t),this._rowsToLinkify.end=Math.max(this._rowsToLinkify.end,r)),this._mouseZoneManager.clearAll(t,r),this._rowsTimeoutId&&clearTimeout(this._rowsTimeoutId),this._rowsTimeoutId=setTimeout(function(){return i._linkifyRows()},e._timeBeforeLatency))},e.prototype._linkifyRows=function(){this._rowsTimeoutId=void 0;var e=this._bufferService.buffer;if(void 0!==this._rowsToLinkify.start&&void 0!==this._rowsToLinkify.end){var t=e.ydisp+this._rowsToLinkify.start;if(!(t>=e.lines.length)){for(var r=e.ydisp+Math.min(this._rowsToLinkify.end,this._bufferService.rows)+1,i=Math.ceil(2e3/this._bufferService.cols),n=this._bufferService.buffer.iterator(!1,t,r,i,i);n.hasNext();)for(var o=n.next(),s=0;s<this._linkMatchers.length;s++)this._doLinkifyRow(o.range.first,o.content,this._linkMatchers[s]);this._rowsToLinkify.start=void 0,this._rowsToLinkify.end=void 0}}else this._logService.debug("_rowToLinkify was unset before _linkifyRows was called")},e.prototype.registerLinkMatcher=function(e,t,r){if(void 0===r&&(r={}),!t)throw new Error("handler must be defined");var i={id:this._nextLinkMatcherId++,regex:e,handler:t,matchIndex:r.matchIndex,validationCallback:r.validationCallback,hoverTooltipCallback:r.tooltipCallback,hoverLeaveCallback:r.leaveCallback,willLinkActivate:r.willLinkActivate,priority:r.priority||0};return this._addLinkMatcherToList(i),i.id},e.prototype._addLinkMatcherToList=function(e){if(0!==this._linkMatchers.length){for(var t=this._linkMatchers.length-1;t>=0;t--)if(e.priority<=this._linkMatchers[t].priority)return void this._linkMatchers.splice(t+1,0,e);this._linkMatchers.splice(0,0,e)}else this._linkMatchers.push(e)},e.prototype.deregisterLinkMatcher=function(e){for(var t=0;t<this._linkMatchers.length;t++)if(this._linkMatchers[t].id===e)return this._linkMatchers.splice(t,1),!0;return!1},e.prototype._doLinkifyRow=function(e,t,r){for(var i,n=this,o=new RegExp(r.regex.source,(r.regex.flags||"")+"g"),s=-1,a=function(){var a=i["number"!=typeof r.matchIndex?0:r.matchIndex];if(!a)return c._logService.debug("match found without corresponding matchIndex",i,r),"break";if(s=t.indexOf(a,s+1),o.lastIndex=s+a.length,s<0)return"break";var l=c._bufferService.buffer.stringIndexToBufferIndex(e,s);if(l[0]<0)return"break";var h=c._bufferService.buffer.lines.get(l[0]);if(!h)return"break";var u=h.getFg(l[1]),f=u?u>>9&511:void 0;r.validationCallback?r.validationCallback(a,function(e){n._rowsTimeoutId||e&&n._addLink(l[1],l[0]-n._bufferService.buffer.ydisp,a,r,f)}):c._addLink(l[1],l[0]-c._bufferService.buffer.ydisp,a,r,f)},c=this;null!==(i=o.exec(t));){if("break"===a())break}},e.prototype._addLink=function(e,t,r,i,n){var s=this;if(this._mouseZoneManager&&this._element){var a=this._unicodeService.getStringCellWidth(r),c=e%this._bufferService.cols,l=t+Math.floor(e/this._bufferService.cols),h=(c+a)%this._bufferService.cols,u=l+Math.floor((c+a)/this._bufferService.cols);0===h&&(h=this._bufferService.cols,u--),this._mouseZoneManager.add(new o(c+1,l+1,h+1,u+1,function(e){if(i.handler)return i.handler(e,r);var t=window.open();t?(t.opener=null,t.location.href=r):console.warn("Opening link blocked as opener could not be cleared")},function(){s._onLinkHover.fire(s._createLinkHoverEvent(c,l,h,u,n)),s._element.classList.add("xterm-cursor-pointer")},function(e){s._onLinkTooltip.fire(s._createLinkHoverEvent(c,l,h,u,n)),i.hoverTooltipCallback&&i.hoverTooltipCallback(e,r,{start:{x:c,y:l},end:{x:h,y:u}})},function(){s._onLinkLeave.fire(s._createLinkHoverEvent(c,l,h,u,n)),s._element.classList.remove("xterm-cursor-pointer"),i.hoverLeaveCallback&&i.hoverLeaveCallback()},function(e){return!i.willLinkActivate||i.willLinkActivate(e,r)}))}},e.prototype._createLinkHoverEvent=function(e,t,r,i,n){return{x1:e,y1:t,x2:r,y2:i,cols:this._bufferService.cols,fg:n}},e._timeBeforeLatency=200,e}();t.Linkifier=n;var o=function(e,t,r,i,n,o,s,a,c){this.x1=e,this.y1=t,this.x2=r,this.y2=i,this.clickCallback=n,this.hoverCallback=o,this.tooltipCallback=s,this.leaveCallback=a,this.willLinkActivate=c};t.MouseZone=o},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},n=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var o=r(11),s=r(51),a=r(5),c=r(1),l=r(4),h=r(0),u=r(28),f=r(52),_=String.fromCharCode(160),d=new RegExp(_,"g"),p=function(){function e(e,t,r,i,n,o,l,h){var u=this;this._scrollLines=e,this._element=t,this._screenElement=r,this._charSizeService=i,this._bufferService=n,this._coreService=o,this._mouseService=l,this._optionsService=h,this._dragScrollAmount=0,this._enabled=!0,this._workCell=new a.CellData,this._mouseDownTimeStamp=0,this._onLinuxMouseSelection=new c.EventEmitter,this._onRedrawRequest=new c.EventEmitter,this._onSelectionChange=new c.EventEmitter,this._mouseMoveListener=function(e){return u._onMouseMove(e)},this._mouseUpListener=function(e){return u._onMouseUp(e)},this._coreService.onUserInput(function(){u.hasSelection&&u.clearSelection()}),this._trimListener=this._bufferService.buffer.lines.onTrim(function(e){return u._onTrim(e)}),this._bufferService.buffers.onBufferActivate(function(e){return u._onBufferActivate(e)}),this.enable(),this._model=new s.SelectionModel(this._bufferService),this._activeSelectionMode=0}return Object.defineProperty(e.prototype,"onLinuxMouseSelection",{get:function(){return this._onLinuxMouseSelection.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onRedrawRequest",{get:function(){return this._onRedrawRequest.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onSelectionChange",{get:function(){return this._onSelectionChange.event},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){this._removeMouseDownListeners()},e.prototype.reset=function(){this.clearSelection()},e.prototype.disable=function(){this.clearSelection(),this._enabled=!1},e.prototype.enable=function(){this._enabled=!0},Object.defineProperty(e.prototype,"selectionStart",{get:function(){return this._model.finalSelectionStart},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"selectionEnd",{get:function(){return this._model.finalSelectionEnd},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"hasSelection",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;return!(!e||!t)&&(e[0]!==t[0]||e[1]!==t[1])},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"selectionText",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;if(!e||!t)return"";var r=this._bufferService.buffer,i=[];if(3===this._activeSelectionMode){if(e[0]===t[0])return"";for(var n=e[1];n<=t[1];n++){var s=r.translateBufferLineToString(n,!0,e[0],t[0]);i.push(s)}}else{var a=e[1]===t[1]?t[0]:void 0;i.push(r.translateBufferLineToString(e[1],!0,e[0],a));for(n=e[1]+1;n<=t[1]-1;n++){var c=r.lines.get(n);s=r.translateBufferLineToString(n,!0);c&&c.isWrapped?i[i.length-1]+=s:i.push(s)}if(e[1]!==t[1]){c=r.lines.get(t[1]),s=r.translateBufferLineToString(t[1],!0,0,t[0]);c&&c.isWrapped?i[i.length-1]+=s:i.push(s)}}return i.map(function(e){return e.replace(d," ")}).join(o.isWindows?"\r\n":"\n")},enumerable:!0,configurable:!0}),e.prototype.clearSelection=function(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()},e.prototype.refresh=function(e){var t=this;(this._refreshAnimationFrame||(this._refreshAnimationFrame=window.requestAnimationFrame(function(){return t._refresh()})),o.isLinux&&e)&&(this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText))},e.prototype._refresh=function(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:3===this._activeSelectionMode})},e.prototype.isClickInSelection=function(e){var t=this._getMouseBufferCoords(e),r=this._model.finalSelectionStart,i=this._model.finalSelectionEnd;return!!(r&&i&&t)&&this._areCoordsInSelection(t,r,i)},e.prototype._areCoordsInSelection=function(e,t,r){return e[1]>t[1]&&e[1]<r[1]||t[1]===r[1]&&e[1]===t[1]&&e[0]>=t[0]&&e[0]<r[0]||t[1]<r[1]&&e[1]===r[1]&&e[0]<r[0]||t[1]<r[1]&&e[1]===t[1]&&e[0]>=t[0]},e.prototype.selectWordAtCursor=function(e){var t=this._getMouseBufferCoords(e);t&&(this._selectWordAt(t,!1),this._model.selectionEnd=void 0,this.refresh(!0))},e.prototype.selectAll=function(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()},e.prototype.selectLines=function(e,t){this._model.clearSelection(),e=Math.max(e,0),t=Math.min(t,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,e],this._model.selectionEnd=[this._bufferService.cols,t],this.refresh(),this._onSelectionChange.fire()},e.prototype._onTrim=function(e){this._model.onTrim(e)&&this.refresh()},e.prototype._getMouseBufferCoords=function(e){var t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(t)return t[0]--,t[1]--,t[1]+=this._bufferService.buffer.ydisp,t},e.prototype._getMouseEventScrollAmount=function(e){var t=u.getCoordsRelativeToElement(e,this._screenElement)[1],r=this._bufferService.rows*Math.ceil(this._charSizeService.height*this._optionsService.options.lineHeight);return t>=0&&t<=r?0:(t>r&&(t-=r),t=Math.min(Math.max(t,-50),50),(t/=50)/Math.abs(t)+Math.round(14*t))},e.prototype.shouldForceSelection=function(e){return o.isMac?e.altKey&&this._optionsService.options.macOptionClickForcesSelection:e.shiftKey},e.prototype.onMouseDown=function(e){if(this._mouseDownTimeStamp=e.timeStamp,(2!==e.button||!this.hasSelection)&&0===e.button){if(!this._enabled){if(!this.shouldForceSelection(e))return;e.stopPropagation()}e.preventDefault(),this._dragScrollAmount=0,this._enabled&&e.shiftKey?this._onIncrementalClick(e):1===e.detail?this._onSingleClick(e):2===e.detail?this._onDoubleClick(e):3===e.detail&&this._onTripleClick(e),this._addMouseDownListeners(),this.refresh(!0)}},e.prototype._addMouseDownListeners=function(){var e=this;this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=window.setInterval(function(){return e._dragScroll()},50)},e.prototype._removeMouseDownListeners=function(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0},e.prototype._onIncrementalClick=function(e){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(e))},e.prototype._onSingleClick=function(e){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(e)?3:0,this._model.selectionStart=this._getMouseBufferCoords(e),this._model.selectionStart){this._model.selectionEnd=void 0;var t=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);t&&t.length!==this._model.selectionStart[0]&&0===t.hasWidth(this._model.selectionStart[0])&&this._model.selectionStart[0]++}},e.prototype._onDoubleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=1,this._selectWordAt(t,!0))},e.prototype._onTripleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=2,this._selectLineAt(t[1]))},e.prototype.shouldColumnSelect=function(e){return e.altKey&&!(o.isMac&&this._optionsService.options.macOptionClickForcesSelection)},e.prototype._onMouseMove=function(e){if(e.stopImmediatePropagation(),this._model.selectionStart){var t=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(e),this._model.selectionEnd){2===this._activeSelectionMode?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._bufferService.cols:1===this._activeSelectionMode&&this._selectToWordAt(this._model.selectionEnd),this._dragScrollAmount=this._getMouseEventScrollAmount(e),3!==this._activeSelectionMode&&(this._dragScrollAmount>0?this._model.selectionEnd[0]=this._bufferService.cols:this._dragScrollAmount<0&&(this._model.selectionEnd[0]=0));var r=this._bufferService.buffer;if(this._model.selectionEnd[1]<r.lines.length){var i=r.lines.get(this._model.selectionEnd[1]);i&&0===i.hasWidth(this._model.selectionEnd[0])&&this._model.selectionEnd[0]++}t&&t[0]===this._model.selectionEnd[0]&&t[1]===this._model.selectionEnd[1]||this.refresh(!0)}else this.refresh(!0)}},e.prototype._dragScroll=function(){if(this._model.selectionEnd&&this._model.selectionStart&&this._dragScrollAmount){this._scrollLines(this._dragScrollAmount,!1);var e=this._bufferService.buffer;this._dragScrollAmount>0?(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=this._bufferService.cols),this._model.selectionEnd[1]=Math.min(e.ydisp+this._bufferService.rows,e.lines.length-1)):(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=0),this._model.selectionEnd[1]=e.ydisp),this.refresh()}},e.prototype._onMouseUp=function(e){var t=e.timeStamp-this._mouseDownTimeStamp;if(this._removeMouseDownListeners(),this.selectionText.length<=1&&t<500){if(e.altKey&&this._bufferService.buffer.ybase===this._bufferService.buffer.ydisp){var r=this._mouseService.getCoords(e,this._element,this._bufferService.cols,this._bufferService.rows,!1);if(r&&void 0!==r[0]&&void 0!==r[1]){var i=f.moveToCellSequence(r[0]-1,r[1]-1,this._bufferService,this._coreService.decPrivateModes.applicationCursorKeys);this._coreService.triggerDataEvent(i,!0)}}}else this.hasSelection&&this._onSelectionChange.fire()},e.prototype._onBufferActivate=function(e){var t=this;this.clearSelection(),this._trimListener.dispose(),this._trimListener=e.activeBuffer.lines.onTrim(function(e){return t._onTrim(e)})},e.prototype._convertViewportColToCharacterIndex=function(e,t){for(var r=t[0],i=0;t[0]>=i;i++){var n=e.loadCell(i,this._workCell).getChars().length;0===this._workCell.getWidth()?r--:n>1&&t[0]!==i&&(r+=n-1)}return r},e.prototype.setSelection=function(e,t,r){this._model.clearSelection(),this._removeMouseDownListeners(),this._model.selectionStart=[e,t],this._model.selectionStartLength=r,this.refresh()},e.prototype._getWordAt=function(e,t,r,i){if(void 0===r&&(r=!0),void 0===i&&(i=!0),!(e[0]>=this._bufferService.cols)){var n=this._bufferService.buffer,o=n.lines.get(e[1]);if(o){var s=n.translateBufferLineToString(e[1],!1),a=this._convertViewportColToCharacterIndex(o,e),c=a,l=e[0]-a,h=0,u=0,f=0,_=0;if(" "===s.charAt(a)){for(;a>0&&" "===s.charAt(a-1);)a--;for(;c<s.length&&" "===s.charAt(c+1);)c++}else{var d=e[0],p=e[0];0===o.getWidth(d)&&(h++,d--),2===o.getWidth(p)&&(u++,p++);var v=o.getString(p).length;for(v>1&&(_+=v-1,c+=v-1);d>0&&a>0&&!this._isCharWordSeparator(o.loadCell(d-1,this._workCell));){o.loadCell(d-1,this._workCell);var g=this._workCell.getChars().length;0===this._workCell.getWidth()?(h++,d--):g>1&&(f+=g-1,a-=g-1),a--,d--}for(;p<o.length&&c+1<s.length&&!this._isCharWordSeparator(o.loadCell(p+1,this._workCell));){o.loadCell(p+1,this._workCell);var y=this._workCell.getChars().length;2===this._workCell.getWidth()?(u++,p++):y>1&&(_+=y-1,c+=y-1),c++,p++}}c++;var b=a+l-h+f,m=Math.min(this._bufferService.cols,c-a+h+u-f-_);if(t||""!==s.slice(a,c).trim()){if(r&&0===b&&32!==o.getCodePoint(0)){var S=n.lines.get(e[1]-1);if(S&&o.isWrapped&&32!==S.getCodePoint(this._bufferService.cols-1)){var C=this._getWordAt([this._bufferService.cols-1,e[1]-1],!1,!0,!1);if(C){var w=this._bufferService.cols-C.start;b-=w,m+=w}}}if(i&&b+m===this._bufferService.cols&&32!==o.getCodePoint(this._bufferService.cols-1)){var E=n.lines.get(e[1]+1);if(E&&E.isWrapped&&32!==E.getCodePoint(0)){var L=this._getWordAt([0,e[1]+1],!1,!1,!0);L&&(m+=L.length)}}return{start:b,length:m}}}}},e.prototype._selectWordAt=function(e,t){var r=this._getWordAt(e,t);if(r){for(;r.start<0;)r.start+=this._bufferService.cols,e[1]--;this._model.selectionStart=[r.start,e[1]],this._model.selectionStartLength=r.length}},e.prototype._selectToWordAt=function(e){var t=this._getWordAt(e,!0);if(t){for(var r=e[1];t.start<0;)t.start+=this._bufferService.cols,r--;if(!this._model.areSelectionValuesReversed())for(;t.start+t.length>this._bufferService.cols;)t.length-=this._bufferService.cols,r++;this._model.selectionEnd=[this._model.areSelectionValuesReversed()?t.start:t.start+t.length,r]}},e.prototype._isCharWordSeparator=function(e){return 0!==e.getWidth()&&this._optionsService.options.wordSeparator.indexOf(e.getChars())>=0},e.prototype._selectLineAt=function(e){var t=this._bufferService.buffer.getWrappedRangeForLine(e);this._model.selectionStart=[0,t.first],this._model.selectionEnd=[this._bufferService.cols,t.last],this._model.selectionStartLength=0},e=i([n(3,l.ICharSizeService),n(4,h.IBufferService),n(5,h.ICoreService),n(6,l.IMouseService),n(7,h.IOptionsService)],e)}();t.SelectionService=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this._bufferService=e,this.isSelectAllActive=!1,this.selectionStartLength=0}return e.prototype.clearSelection=function(){this.selectionStart=void 0,this.selectionEnd=void 0,this.isSelectAllActive=!1,this.selectionStartLength=0},Object.defineProperty(e.prototype,"finalSelectionStart",{get:function(){return this.isSelectAllActive?[0,0]:this.selectionEnd&&this.selectionStart&&this.areSelectionValuesReversed()?this.selectionEnd:this.selectionStart},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"finalSelectionEnd",{get:function(){if(this.isSelectAllActive)return[this._bufferService.cols,this._bufferService.buffer.ybase+this._bufferService.rows-1];if(this.selectionStart){if(!this.selectionEnd||this.areSelectionValuesReversed()){var e=this.selectionStart[0]+this.selectionStartLength;return e>this._bufferService.cols?[e%this._bufferService.cols,this.selectionStart[1]+Math.floor(e/this._bufferService.cols)]:[e,this.selectionStart[1]]}return 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0),this._zones.splice(r--,1))}0===this._zones.length&&this._deactivate()}},t.prototype._activate=function(){this._areZonesActive||(this._areZonesActive=!0,this._element.addEventListener("mousemove",this._mouseMoveListener),this._element.addEventListener("mouseleave",this._mouseLeaveListener),this._element.addEventListener("click",this._clickListener))},t.prototype._deactivate=function(){this._areZonesActive&&(this._areZonesActive=!1,this._element.removeEventListener("mousemove",this._mouseMoveListener),this._element.removeEventListener("mouseleave",this._mouseLeaveListener),this._element.removeEventListener("click",this._clickListener))},t.prototype._onMouseMove=function(e){this._lastHoverCoords[0]===e.pageX&&this._lastHoverCoords[1]===e.pageY||(this._onHover(e),this._lastHoverCoords=[e.pageX,e.pageY])},t.prototype._onHover=function(e){var t=this,r=this._findZoneEventAt(e);r!==this._currentZone&&(this._currentZone&&(this._currentZone.leaveCallback(),this._currentZone=void 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t=this._findZoneEventAt(e),r=this._getSelectionLength();t&&r===this._initialSelectionLength&&(t.clickCallback(e),e.preventDefault(),e.stopImmediatePropagation())},t.prototype._getSelectionLength=function(){var e=this._selectionService.selectionText;return e?e.length:0},t.prototype._findZoneEventAt=function(e){var t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows);if(t)for(var r=t[0],i=t[1],n=0;n<this._zones.length;n++){var o=this._zones[n];if(o.y1===o.y2){if(i===o.y1&&r>=o.x1&&r<o.x2)return o}else if(i===o.y1&&r>=o.x1||i===o.y2&&r<o.x2||i>o.y1&&i<o.y2)return o}},t=o([s(2,h.IBufferService),s(3,l.IMouseService),s(4,l.ISelectionService)],t)}(a.Disposable);t.MouseZoneManager=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function 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i._onChar(e)})),i.register(i._terminal.onLineFeed(function(){return i._onChar("\n")})),i.register(i._terminal.onA11yTab(function(e){return i._onTab(e)})),i.register(i._terminal.onKey(function(e){return i._onKey(e.key)})),i.register(i._terminal.onBlur(function(){return i._clearLiveRegion()})),i.register(i._renderService.onDimensionsChange(function(){return i._refreshRowsDimensions()})),i._screenDprMonitor=new h.ScreenDprMonitor,i.register(i._screenDprMonitor),i._screenDprMonitor.setListener(function(){return i._refreshRowsDimensions()}),i.register(c.addDisposableDomListener(window,"resize",function(){return i._refreshRowsDimensions()})),i}return n(t,e),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._terminal.element.removeChild(this._accessibilityTreeRoot),this._rowElements.length=0},t.prototype._onBoundaryFocus=function(e,t){var r=e.target,i=this._rowElements[0===t?1:this._rowElements.length-2];if(r.getAttribute("aria-posinset")!==(0===t?"1":""+this._terminal.buffer.lines.length)&&e.relatedTarget===i){var n,o;if(0===t?(n=r,o=this._rowElements.pop(),this._rowContainer.removeChild(o)):(n=this._rowElements.shift(),o=r,this._rowContainer.removeChild(n)),n.removeEventListener("focus",this._topBoundaryFocusListener),o.removeEventListener("focus",this._bottomBoundaryFocusListener),0===t){var s=this._createAccessibilityTreeNode();this._rowElements.unshift(s),this._rowContainer.insertAdjacentElement("afterbegin",s)}else{s=this._createAccessibilityTreeNode();this._rowElements.push(s),this._rowContainer.appendChild(s)}this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._terminal.scrollLines(0===t?-1:1),this._rowElements[0===t?1:this._rowElements.length-2].focus(),e.preventDefault(),e.stopImmediatePropagation()}},t.prototype._onResize=function(e){this._rowElements[this._rowElements.length-1].removeEventListener("focus",this._bottomBoundaryFocusListener);for(var t=this._rowContainer.children.length;t<this._terminal.rows;t++)this._rowElements[t]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[t]);for(;this._rowElements.length>e;)this._rowContainer.removeChild(this._rowElements.pop());this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions()},t.prototype._createAccessibilityTreeNode=function(){var e=document.createElement("div");return e.setAttribute("role","listitem"),e.tabIndex=-1,this._refreshRowDimensions(e),e},t.prototype._onTab=function(e){for(var t=0;t<e;t++)this._onChar(" ")},t.prototype._onChar=function(e){var t=this;if(this._liveRegionLineCount<21){if(this._charsToConsume.length>0)this._charsToConsume.shift()!==e&&(this._charsToAnnounce+=e);else this._charsToAnnounce+=e;"\n"===e&&(this._liveRegionLineCount++,21===this._liveRegionLineCount&&(this._liveRegion.textContent+=o.tooMuchOutput)),s.isMac&&this._liveRegion.textContent&&this._liveRegion.textContent.length>0&&!this._liveRegion.parentNode&&setTimeout(function(){t._accessibilityTreeRoot.appendChild(t._liveRegion)},0)}},t.prototype._clearLiveRegion=function(){this._liveRegion.textContent="",this._liveRegionLineCount=0,s.isMac&&this._liveRegion.parentNode&&this._accessibilityTreeRoot.removeChild(this._liveRegion)},t.prototype._onKey=function(e){this._clearLiveRegion(),this._charsToConsume.push(e)},t.prototype._refreshRows=function(e,t){this._renderRowsDebouncer.refresh(e,t,this._terminal.rows)},t.prototype._renderRows=function(e,t){for(var r=this._terminal.buffer,i=r.lines.length.toString(),n=e;n<=t;n++){var o=r.translateBufferLineToString(r.ydisp+n,!0),s=(r.ydisp+n+1).toString(),a=this._rowElements[n];a&&(0===o.length?a.innerHTML="&nbsp;":a.textContent=o,a.setAttribute("aria-posinset",s),a.setAttribute("aria-setsize",i))}this._announceCharacters()},t.prototype._refreshRowsDimensions=function(){if(this._renderService.dimensions.actualCellHeight){this._rowElements.length!==this._terminal.rows&&this._onResize(this._terminal.rows);for(var e=0;e<this._terminal.rows;e++)this._refreshRowDimensions(this._rowElements[e])}},t.prototype._refreshRowDimensions=function(e){e.style.height=this._renderService.dimensions.actualCellHeight+"px"},t.prototype._announceCharacters=function(){0!==this._charsToAnnounce.length&&(this._liveRegion.textContent+=this._charsToAnnounce,this._charsToAnnounce="")},t}(l.Disposable);t.AccessibilityManager=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof 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h._colors=t,h._element=r,h._screenElement=i,h._viewportElement=n,h._linkifier=o,h._charSizeService=s,h._optionsService=c,h._bufferService=l,h._terminalClass=g++,h._rowElements=[],h._onRequestRefreshRows=new f.EventEmitter,h._rowContainer=document.createElement("div"),h._rowContainer.classList.add(p),h._rowContainer.style.lineHeight="normal",h._rowContainer.setAttribute("aria-hidden","true"),h._refreshRowElements(h._bufferService.cols,h._bufferService.rows),h._selectionContainer=document.createElement("div"),h._selectionContainer.classList.add(v),h._selectionContainer.setAttribute("aria-hidden","true"),h.dimensions={scaledCharWidth:0,scaledCharHeight:0,scaledCellWidth:0,scaledCellHeight:0,scaledCharLeft:0,scaledCharTop:0,scaledCanvasWidth:0,scaledCanvasHeight:0,canvasWidth:0,canvasHeight:0,actualCellWidth:0,actualCellHeight:0},h._updateDimensions(),h._injectCss(),h._rowFactory=new a.DomRendererRowFactory(document,h._optionsService,h._colors),h._element.classList.add(d+h._terminalClass),h._screenElement.appendChild(h._rowContainer),h._screenElement.appendChild(h._selectionContainer),h._linkifier.onLinkHover(function(e){return h._onLinkHover(e)}),h._linkifier.onLinkLeave(function(e){return h._onLinkLeave(e)}),h}return n(t,e),Object.defineProperty(t.prototype,"onRequestRefreshRows",{get:function(){return this._onRequestRefreshRows.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){this._element.classList.remove(d+this._terminalClass),this._screenElement.removeChild(this._rowContainer),this._screenElement.removeChild(this._selectionContainer),this._screenElement.removeChild(this._themeStyleElement),this._screenElement.removeChild(this._dimensionsStyleElement),e.prototype.dispose.call(this)},t.prototype._updateDimensions=function(){var e=this;this.dimensions.scaledCharWidth=this._charSizeService.width*window.devicePixelRatio,this.dimensions.scaledCharHeight=Math.ceil(this._charSizeService.height*window.devicePixelRatio),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._optionsService.options.letterSpacing),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._optionsService.options.lineHeight),this.dimensions.scaledCharLeft=0,this.dimensions.scaledCharTop=0,this.dimensions.scaledCanvasWidth=this.dimensions.scaledCellWidth*this._bufferService.cols,this.dimensions.scaledCanvasHeight=this.dimensions.scaledCellHeight*this._bufferService.rows,this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._bufferService.cols,this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._bufferService.rows,this._rowElements.forEach(function(t){t.style.width=e.dimensions.canvasWidth+"px",t.style.height=e.dimensions.actualCellHeight+"px",t.style.lineHeight=e.dimensions.actualCellHeight+"px",t.style.overflow="hidden"}),this._dimensionsStyleElement||(this._dimensionsStyleElement=document.createElement("style"),this._screenElement.appendChild(this._dimensionsStyleElement));var t=this._terminalSelector+" ."+p+" span { display: inline-block; height: 100%; vertical-align: top; width: "+this.dimensions.actualCellWidth+"px}";this._dimensionsStyleElement.innerHTML=t,this._selectionContainer.style.height=this._viewportElement.style.height,this._screenElement.style.width=this.dimensions.canvasWidth+"px",this._screenElement.style.height=this.dimensions.canvasHeight+"px"},t.prototype.setColors=function(e){this._colors=e,this._injectCss()},t.prototype._injectCss=function(){var e=this;this._themeStyleElement||(this._themeStyleElement=document.createElement("style"),this._screenElement.appendChild(this._themeStyleElement));var t=this._terminalSelector+" ."+p+" { color: "+this._colors.foreground.css+"; background-color: "+this._colors.background.css+"; font-family: "+this._optionsService.options.fontFamily+"; font-size: "+this._optionsService.options.fontSize+"px;}";t+=this._terminalSelector+" span:not(."+a.BOLD_CLASS+") { font-weight: "+this._optionsService.options.fontWeight+";}"+this._terminalSelector+" span."+a.BOLD_CLASS+" { font-weight: "+this._optionsService.options.fontWeightBold+";}"+this._terminalSelector+" span."+a.ITALIC_CLASS+" { font-style: italic;}",t+="@keyframes blink_box_shadow_"+this._terminalClass+" { 50% {  box-shadow: none; }}",t+="@keyframes blink_block_"+this._terminalClass+" { 0% {  background-color: "+this._colors.cursor.css+";  color: "+this._colors.cursorAccent.css+"; } 50% {  background-color: "+this._colors.cursorAccent.css+";  color: "+this._colors.cursor.css+"; }}",t+=this._terminalSelector+" ."+p+":not(.xterm-focus) ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { outline: 1px solid "+this._colors.cursor.css+"; outline-offset: -1px;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_BLINK_CLASS+":not(."+a.CURSOR_STYLE_BLOCK_CLASS+") { animation: blink_box_shadow_"+this._terminalClass+" 1s step-end infinite;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_BLINK_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { animation: blink_block_"+this._terminalClass+" 1s step-end infinite;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { background-color: "+this._colors.cursor.css+"; color: "+this._colors.cursorAccent.css+";}"+this._terminalSelector+" ."+p+" ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BAR_CLASS+" { box-shadow: "+this._optionsService.options.cursorWidth+"px 0 0 "+this._colors.cursor.css+" inset;}"+this._terminalSelector+" ."+p+" ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_UNDERLINE_CLASS+" { box-shadow: 0 -1px 0 "+this._colors.cursor.css+" inset;}",t+=this._terminalSelector+" ."+v+" { position: absolute; top: 0; left: 0; z-index: 1; pointer-events: none;}"+this._terminalSelector+" ."+v+" div { position: absolute; background-color: "+this._colors.selection.css+";}",this._colors.ansi.forEach(function(r,i){t+=e._terminalSelector+" .xterm-fg-"+i+" { color: "+r.css+"; }"+e._terminalSelector+" .xterm-bg-"+i+" { background-color: "+r.css+"; }"}),t+=this._terminalSelector+" .xterm-fg-"+c.INVERTED_DEFAULT_COLOR+" { color: "+_.color.opaque(this._colors.background).css+"; }"+this._terminalSelector+" .xterm-bg-"+c.INVERTED_DEFAULT_COLOR+" { background-color: "+this._colors.foreground.css+"; }",this._themeStyleElement.innerHTML=t},t.prototype.onDevicePixelRatioChange=function(){this._updateDimensions()},t.prototype._refreshRowElements=function(e,t){for(var r=this._rowElements.length;r<=t;r++){var i=document.createElement("div");this._rowContainer.appendChild(i),this._rowElements.push(i)}for(;this._rowElements.length>t;)this._rowContainer.removeChild(this._rowElements.pop())},t.prototype.onResize=function(e,t){this._refreshRowElements(e,t),this._updateDimensions()},t.prototype.onCharSizeChanged=function(){this._updateDimensions()},t.prototype.onBlur=function(){this._rowContainer.classList.remove("xterm-focus")},t.prototype.onFocus=function(){this._rowContainer.classList.add("xterm-focus")},t.prototype.onSelectionChanged=function(e,t,r){for(;this._selectionContainer.children.length;)this._selectionContainer.removeChild(this._selectionContainer.children[0]);if(e&&t){var i=e[1]-this._bufferService.buffer.ydisp,n=t[1]-this._bufferService.buffer.ydisp,o=Math.max(i,0),s=Math.min(n,this._bufferService.rows-1);if(!(o>=this._bufferService.rows||s<0)){var a=document.createDocumentFragment();if(r)a.appendChild(this._createSelectionElement(o,e[0],t[0],s-o+1));else{var c=i===o?e[0]:0,l=o===s?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(o,c,l));var h=s-o-1;if(a.appendChild(this._createSelectionElement(o+1,0,this._bufferService.cols,h)),o!==s){var u=n===s?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(s,0,u))}}this._selectionContainer.appendChild(a)}}},t.prototype._createSelectionElement=function(e,t,r,i){void 0===i&&(i=1);var n=document.createElement("div");return n.style.height=i*this.dimensions.actualCellHeight+"px",n.style.top=e*this.dimensions.actualCellHeight+"px",n.style.left=t*this.dimensions.actualCellWidth+"px",n.style.width=this.dimensions.actualCellWidth*(r-t)+"px",n},t.prototype.onCursorMove=function(){},t.prototype.onOptionsChanged=function(){this._updateDimensions(),this._injectCss()},t.prototype.clear=function(){this._rowElements.forEach(function(e){return e.innerHTML=""})},t.prototype.renderRows=function(e,t){for(var r=this._bufferService.buffer.ybase+this._bufferService.buffer.y,i=this._bufferService.buffer.x,n=this._optionsService.options.cursorBlink,o=e;o<=t;o++){var s=this._rowElements[o];s.innerHTML="";var a=o+this._bufferService.buffer.ydisp,c=this._bufferService.buffer.lines.get(a),l=this._optionsService.options.cursorStyle;s.appendChild(this._rowFactory.createRow(c,a===r,l,i,n,this.dimensions.actualCellWidth,this._bufferService.cols))}},Object.defineProperty(t.prototype,"_terminalSelector",{get:function(){return"."+d+this._terminalClass},enumerable:!0,configurable:!0}),t.prototype.registerCharacterJoiner=function(e){return-1},t.prototype.deregisterCharacterJoiner=function(e){return!1},t.prototype._onLinkHover=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!0)},t.prototype._onLinkLeave=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!1)},t.prototype._setCellUnderline=function(e,t,r,i,n,o){for(;e!==t||r!==i;){var s=this._rowElements[r];if(!s)return;var a=s.children[e];a&&(a.style.textDecoration=o?"underline":"none"),++e>=n&&(e=0,r++)}},t=o([s(5,h.ICharSizeService),s(6,u.IOptionsService),s(7,u.IBufferService)],t)}(l.Disposable);t.DomRenderer=y},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(9),n=r(3),o=r(5),s=r(10);t.BOLD_CLASS="xterm-bold",t.DIM_CLASS="xterm-dim",t.ITALIC_CLASS="xterm-italic",t.UNDERLINE_CLASS="xterm-underline",t.CURSOR_CLASS="xterm-cursor",t.CURSOR_BLINK_CLASS="xterm-cursor-blink",t.CURSOR_STYLE_BLOCK_CLASS="xterm-cursor-block",t.CURSOR_STYLE_BAR_CLASS="xterm-cursor-bar",t.CURSOR_STYLE_UNDERLINE_CLASS="xterm-cursor-underline";var a=function(){function e(e,t,r){this._document=e,this._optionsService=t,this._colors=r,this._workCell=new o.CellData}return e.prototype.setColors=function(e){this._colors=e},e.prototype.createRow=function(e,r,o,a,l,h,u){for(var f=this._document.createDocumentFragment(),_=0,d=Math.min(e.length,u)-1;d>=0;d--)if(e.loadCell(d,this._workCell).getCode()!==n.NULL_CELL_CODE||r&&d===a){_=d+1;break}for(d=0;d<_;d++){e.loadCell(d,this._workCell);var p=this._workCell.getWidth();if(0!==p){var v=this._document.createElement("span");if(p>1&&(v.style.width=h*p+"px"),r&&d===a)switch(v.classList.add(t.CURSOR_CLASS),l&&v.classList.add(t.CURSOR_BLINK_CLASS),o){case"bar":v.classList.add(t.CURSOR_STYLE_BAR_CLASS);break;case"underline":v.classList.add(t.CURSOR_STYLE_UNDERLINE_CLASS);break;default:v.classList.add(t.CURSOR_STYLE_BLOCK_CLASS)}this._workCell.isBold()&&v.classList.add(t.BOLD_CLASS),this._workCell.isItalic()&&v.classList.add(t.ITALIC_CLASS),this._workCell.isDim()&&v.classList.add(t.DIM_CLASS),this._workCell.isUnderline()&&v.classList.add(t.UNDERLINE_CLASS),this._workCell.isInvisible()?v.textContent=n.WHITESPACE_CELL_CHAR:v.textContent=this._workCell.getChars()||n.WHITESPACE_CELL_CHAR;var g=this._workCell.getFgColor(),y=this._workCell.getFgColorMode(),b=this._workCell.getBgColor(),m=this._workCell.getBgColorMode(),S=!!this._workCell.isInverse();if(S){var C=g;g=b,b=C;var w=y;y=m,m=w}switch(y){case 16777216:case 33554432:this._workCell.isBold()&&g<8&&this._optionsService.options.drawBoldTextInBrightColors&&(g+=8),this._applyMinimumContrast(v,this._colors.background,this._colors.ansi[g])||v.classList.add("xterm-fg-"+g);break;case 50331648:var E=s.rgba.toColor(g>>16&255,g>>8&255,255&g);this._applyMinimumContrast(v,this._colors.background,E)||this._addStyle(v,"color:#"+c(g.toString(16),"0",6));break;case 0:default:this._applyMinimumContrast(v,this._colors.background,this._colors.foreground)||S&&v.classList.add("xterm-fg-"+i.INVERTED_DEFAULT_COLOR)}switch(m){case 16777216:case 33554432:v.classList.add("xterm-bg-"+b);break;case 50331648:this._addStyle(v,"background-color:#"+c(b.toString(16),"0",6));break;case 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this._renderer.registerCharacterJoiner(e)},t.prototype.deregisterCharacterJoiner=function(e){return this._renderer.deregisterCharacterJoiner(e)},t=o([s(3,f.IOptionsService),s(4,_.ICharSizeService)],t)}(l.Disposable);t.RenderService=d},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var 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0!==e.width&&0!==e.height&&(this._result.width=e.width,this._result.height=Math.ceil(e.height)),this._result},e}()},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},n=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var o=r(0),s=r(64);t.MINIMUM_COLS=2,t.MINIMUM_ROWS=1;var a=function(){function e(e){this._optionsService=e,this.cols=Math.max(e.options.cols,t.MINIMUM_COLS),this.rows=Math.max(e.options.rows,t.MINIMUM_ROWS),this.buffers=new s.BufferSet(e,this)}return Object.defineProperty(e.prototype,"buffer",{get:function(){return 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i=r(66),n=r(16),o=r(5),s=r(3),a=r(67),c=r(68),l=r(18);t.MAX_BUFFER_SIZE=4294967295;var h=function(){function e(e,t,r){this._hasScrollback=e,this._optionsService=t,this._bufferService=r,this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.savedY=0,this.savedX=0,this.savedCurAttrData=n.DEFAULT_ATTR_DATA.clone(),this.savedCharset=l.DEFAULT_CHARSET,this.markers=[],this._nullCell=o.CellData.fromCharData([0,s.NULL_CELL_CHAR,s.NULL_CELL_WIDTH,s.NULL_CELL_CODE]),this._whitespaceCell=o.CellData.fromCharData([0,s.WHITESPACE_CELL_CHAR,s.WHITESPACE_CELL_WIDTH,s.WHITESPACE_CELL_CODE]),this._cols=this._bufferService.cols,this._rows=this._bufferService.rows,this.lines=new i.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()}return e.prototype.getNullCell=function(e){return e?(this._nullCell.fg=e.fg,this._nullCell.bg=e.bg):(this._nullCell.fg=0,this._nullCell.bg=0),this._nullCell},e.prototype.getWhitespaceCell=function(e){return e?(this._whitespaceCell.fg=e.fg,this._whitespaceCell.bg=e.bg):(this._whitespaceCell.fg=0,this._whitespaceCell.bg=0),this._whitespaceCell},e.prototype.getBlankLine=function(e,t){return new n.BufferLine(this._bufferService.cols,this.getNullCell(e),t)},Object.defineProperty(e.prototype,"hasScrollback",{get:function(){return this._hasScrollback&&this.lines.maxLength>this._rows},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"isCursorInViewport",{get:function(){var e=this.ybase+this.y-this.ydisp;return e>=0&&e<this._rows},enumerable:!0,configurable:!0}),e.prototype._getCorrectBufferLength=function(e){if(!this._hasScrollback)return e;var r=e+this._optionsService.options.scrollback;return r>t.MAX_BUFFER_SIZE?t.MAX_BUFFER_SIZE:r},e.prototype.fillViewportRows=function(e){if(0===this.lines.length){void 0===e&&(e=n.DEFAULT_ATTR_DATA);for(var t=this._rows;t--;)this.lines.push(this.getBlankLine(e))}},e.prototype.clear=function(){this.ydisp=0,this.ybase=0,this.y=0,this.x=0,this.lines=new i.CircularList(this._getCorrectBufferLength(this._rows)),this.scrollTop=0,this.scrollBottom=this._rows-1,this.setupTabStops()},e.prototype.resize=function(e,t){var r=this.getNullCell(n.DEFAULT_ATTR_DATA),i=this._getCorrectBufferLength(t);if(i>this.lines.maxLength&&(this.lines.maxLength=i),this.lines.length>0){if(this._cols<e)for(var o=0;o<this.lines.length;o++)this.lines.get(o).resize(e,r);var s=0;if(this._rows<t)for(var a=this._rows;a<t;a++)this.lines.length<t+this.ybase&&(this._optionsService.options.windowsMode?this.lines.push(new n.BufferLine(e,r)):this.ybase>0&&this.lines.length<=this.ybase+this.y+s+1?(this.ybase--,s++,this.ydisp>0&&this.ydisp--):this.lines.push(new n.BufferLine(e,r)));else for(a=this._rows;a>t;a--)this.lines.length>t+this.ybase&&(this.lines.length>this.ybase+this.y+1?this.lines.pop():(this.ybase++,this.ydisp++));if(i<this.lines.maxLength){var c=this.lines.length-i;c>0&&(this.lines.trimStart(c),this.ybase=Math.max(this.ybase-c,0),this.ydisp=Math.max(this.ydisp-c,0),this.savedY=Math.max(this.savedY-c,0)),this.lines.maxLength=i}this.x=Math.min(this.x,e-1),this.y=Math.min(this.y,t-1),s&&(this.y+=s),this.savedX=Math.min(this.savedX,e-1),this.scrollTop=0}if(this.scrollBottom=t-1,this._isReflowEnabled&&(this._reflow(e,t),this._cols>e))for(o=0;o<this.lines.length;o++)this.lines.get(o).resize(e,r);this._cols=e,this._rows=t},Object.defineProperty(e.prototype,"_isReflowEnabled",{get:function(){return this._hasScrollback&&!this._optionsService.options.windowsMode},enumerable:!0,configurable:!0}),e.prototype._reflow=function(e,t){this._cols!==e&&(e>this._cols?this._reflowLarger(e,t):this._reflowSmaller(e,t))},e.prototype._reflowLarger=function(e,t){var r=a.reflowLargerGetLinesToRemove(this.lines,this._cols,e,this.ybase+this.y,this.getNullCell(n.DEFAULT_ATTR_DATA));if(r.length>0){var i=a.reflowLargerCreateNewLayout(this.lines,r);a.reflowLargerApplyNewLayout(this.lines,i.layout),this._reflowLargerAdjustViewport(e,t,i.countRemoved)}},e.prototype._reflowLargerAdjustViewport=function(e,t,r){for(var i=this.getNullCell(n.DEFAULT_ATTR_DATA),o=r;o-- >0;)0===this.ybase?(this.y>0&&this.y--,this.lines.length<t&&this.lines.push(new n.BufferLine(e,i))):(this.ydisp===this.ybase&&this.ydisp--,this.ybase--);this.savedY=Math.max(this.savedY-r,0)},e.prototype._reflowSmaller=function(e,t){for(var r=this.getNullCell(n.DEFAULT_ATTR_DATA),i=[],o=0,s=this.lines.length-1;s>=0;s--){var c=this.lines.get(s);if(!(!c||!c.isWrapped&&c.getTrimmedLength()<=e)){for(var l=[c];c.isWrapped&&s>0;)c=this.lines.get(--s),l.unshift(c);var h=this.ybase+this.y;if(!(h>=s&&h<s+l.length)){var u=l[l.length-1].getTrimmedLength(),f=a.reflowSmallerGetNewLineLengths(l,this._cols,e),_=f.length-l.length,d=void 0;d=0===this.ybase&&this.y!==this.lines.length-1?Math.max(0,this.y-this.lines.maxLength+_):Math.max(0,this.lines.length-this.lines.maxLength+_);for(var p=[],v=0;v<_;v++){var g=this.getBlankLine(n.DEFAULT_ATTR_DATA,!0);p.push(g)}p.length>0&&(i.push({start:s+l.length+o,newLines:p}),o+=p.length),l.push.apply(l,p);var y=f.length-1,b=f[y];0===b&&(b=f[--y]);for(var m=l.length-_-1,S=u;m>=0;){var C=Math.min(S,b);if(l[y].copyCellsFrom(l[m],S-C,b-C,C,!0),0===(b-=C)&&(b=f[--y]),0===(S-=C)){m--;var w=Math.max(m,0);S=a.getWrappedLineTrimmedLength(l,w,this._cols)}}for(v=0;v<l.length;v++)f[v]<e&&l[v].setCell(f[v],r);for(var E=_-d;E-- >0;)0===this.ybase?this.y<t-1?(this.y++,this.lines.pop()):(this.ybase++,this.ydisp++):this.ybase<Math.min(this.lines.maxLength,this.lines.length+o)-t&&(this.ybase===this.ydisp&&this.ydisp++,this.ybase++);this.savedY=Math.min(this.savedY+_,this.ybase+t-1)}}}if(i.length>0){var L=[],A=[];for(v=0;v<this.lines.length;v++)A.push(this.lines.get(v));var R=this.lines.length,x=R-1,k=0,D=i[k];this.lines.length=Math.min(this.lines.maxLength,this.lines.length+o);var T=0;for(v=Math.min(this.lines.maxLength-1,R+o-1);v>=0;v--)if(D&&D.start>x+T){for(var O=D.newLines.length-1;O>=0;O--)this.lines.set(v--,D.newLines[O]);v++,L.push({index:x+1,amount:D.newLines.length}),T+=D.newLines.length,D=i[++k]}else this.lines.set(v,A[x--]);var M=0;for(v=L.length-1;v>=0;v--)L[v].index+=M,this.lines.onInsertEmitter.fire(L[v]),M+=L[v].amount;var P=Math.max(0,R+o-this.lines.maxLength);P>0&&this.lines.onTrimEmitter.fire(P)}},e.prototype.stringIndexToBufferIndex=function(e,t,r){for(void 0===r&&(r=!1);t;){var i=this.lines.get(e);if(!i)return[-1,-1];for(var n=r?i.getTrimmedLength():i.length,o=0;o<n;++o)if(i.get(o)[s.CHAR_DATA_WIDTH_INDEX]&&(t-=i.get(o)[s.CHAR_DATA_CHAR_INDEX].length||1),t<0)return[e,o];e++}return[e,0]},e.prototype.translateBufferLineToString=function(e,t,r,i){void 0===r&&(r=0);var n=this.lines.get(e);return n?n.translateToString(t,r,i):""},e.prototype.getWrappedRangeForLine=function(e){for(var t=e,r=e;t>0&&this.lines.get(t).isWrapped;)t--;for(;r+1<this.lines.length&&this.lines.get(r+1).isWrapped;)r++;return{first:t,last:r}},e.prototype.setupTabStops=function(e){for(null!=e?this.tabs[e]||(e=this.prevStop(e)):(this.tabs={},e=0);e<this._cols;e+=this._optionsService.options.tabStopWidth)this.tabs[e]=!0},e.prototype.prevStop=function(e){for(null==e&&(e=this.x);!this.tabs[--e]&&e>0;);return e>=this._cols?this._cols-1:e<0?0:e},e.prototype.nextStop=function(e){for(null==e&&(e=this.x);!this.tabs[++e]&&e<this._cols;);return e>=this._cols?this._cols-1:e<0?0:e},e.prototype.addMarker=function(e){var t=this,r=new c.Marker(e);return this.markers.push(r),r.register(this.lines.onTrim(function(e){r.line-=e,r.line<0&&r.dispose()})),r.register(this.lines.onInsert(function(e){r.line>=e.index&&(r.line+=e.amount)})),r.register(this.lines.onDelete(function(e){r.line>=e.index&&r.line<e.index+e.amount&&r.dispose(),r.line>e.index&&(r.line-=e.amount)})),r.register(r.onDispose(function(){return t._removeMarker(r)})),r},e.prototype._removeMarker=function(e){this.markers.splice(this.markers.indexOf(e),1)},e.prototype.iterator=function(e,t,r,i,n){return new u(this,e,t,r,i,n)},e}();t.Buffer=h;var u=function(){function e(e,t,r,i,n,o){void 0===r&&(r=0),void 0===i&&(i=e.lines.length),void 0===n&&(n=0),void 0===o&&(o=0),this._buffer=e,this._trimRight=t,this._startIndex=r,this._endIndex=i,this._startOverscan=n,this._endOverscan=o,this._startIndex<0&&(this._startIndex=0),this._endIndex>this._buffer.lines.length&&(this._endIndex=this._buffer.lines.length),this._current=this._startIndex}return e.prototype.hasNext=function(){return this._current<this._endIndex},e.prototype.next=function(){var e=this._buffer.getWrappedRangeForLine(this._current);e.first<this._startIndex-this._startOverscan&&(e.first=this._startIndex-this._startOverscan),e.last>this._endIndex+this._endOverscan&&(e.last=this._endIndex+this._endOverscan),e.first=Math.max(e.first,0),e.last=Math.min(e.last,this._buffer.lines.length);for(var t="",r=e.first;r<=e.last;++r)t+=this._buffer.translateBufferLineToString(r,this._trimRight);return this._current=e.last+1,{range:e,content:t}},e}();t.BufferStringIterator=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(1),n=function(){function 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t+this.wcwidth(n);var o=e.charCodeAt(i);56320<=o&&o<=57343?n=1024*(n-55296)+o-56320+65536:t+=this.wcwidth(o)}t+=this.wcwidth(n)}return t},e}();t.UnicodeService=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i,n=r(15),o=[[768,879],[1155,1158],[1160,1161],[1425,1469],[1471,1471],[1473,1474],[1476,1477],[1479,1479],[1536,1539],[1552,1557],[1611,1630],[1648,1648],[1750,1764],[1767,1768],[1770,1773],[1807,1807],[1809,1809],[1840,1866],[1958,1968],[2027,2035],[2305,2306],[2364,2364],[2369,2376],[2381,2381],[2385,2388],[2402,2403],[2433,2433],[2492,2492],[2497,2500],[2509,2509],[2530,2531],[2561,2562],[2620,2620],[2625,2626],[2631,2632],[2635,2637],[2672,2673],[2689,2690],[2748,2748],[2753,2757],[2759,2760],[2765,2765],[2786,2787],[2817,2817],[2876,2876],[2879,2879],[2881,2883],[2893,2893],[2902,2902],[2946,2946],[3008,3008],[3021,3021],[3134,3136],[3142,3144],[3146,3149],[3157,3158],[3260,3260],[3263,3263],[3270,3270],[3276,3277],[3298,3299],[3393,3395],[3405,3405],[3530,3530],[3538,3540],[3542,3542],[3633,3633],[3636,3642],[3655,3662],[3761,3761],[3764,3769],[3771,3772],[3784,3789],[3864,3865],[3893,3893],[3895,3895],[3897,3897],[3953,3966],[3968,3972],[3974,3975],[3984,3991],[3993,4028],[4038,4038],[4141,4144],[4146,4146],[4150,4151],[4153,4153],[4184,4185],[4448,4607],[4959,4959],[5906,5908],[5938,5940],[5970,5971],[6002,6003],[6068,6069],[6071,6077],[6086,6086],[6089,6099],[6109,6109],[6155,6157],[6313,6313],[6432,6434],[6439,6440],[6450,6450],[6457,6459],[6679,6680],[6912,6915],[6964,6964],[6966,6970],[6972,6972],[6978,6978],[7019,7027],[7616,7626],[7678,7679],[8203,8207],[8234,8238],[8288,8291],[8298,8303],[8400,8431],[12330,12335],[12441,12442],[43014,43014],[43019,43019],[43045,43046],[64286,64286],[65024,65039],[65056,65059],[65279,65279],[65529,65531]],s=[[68097,68099],[68101,68102],[68108,68111],[68152,68154],[68159,68159],[119143,119145],[119155,119170],[119173,119179],[119210,119213],[119362,119364],[917505,917505],[917536,917631],[917760,917999]];var a=function(){function e(){if(this.version="6",!i){i=new Uint8Array(65536),n.fill(i,1),i[0]=0,n.fill(i,0,1,32),n.fill(i,0,127,160),n.fill(i,2,4352,4448),i[9001]=2,i[9002]=2,n.fill(i,2,11904,42192),i[12351]=1,n.fill(i,2,44032,55204),n.fill(i,2,63744,64256),n.fill(i,2,65040,65050),n.fill(i,2,65072,65136),n.fill(i,2,65280,65377),n.fill(i,2,65504,65511);for(var e=0;e<o.length;++e)n.fill(i,0,o[e][0],o[e][1]+1)}}return e.prototype.wcwidth=function(e){return e<32?0:e<127?1:e<65536?i[e]:function(e,t){var r,i=0,n=t.length-1;if(e<t[0][0]||e>t[n][1])return!1;for(;n>=i;)if(e>t[r=i+n>>1][1])i=r+1;else{if(!(e<t[r][0]))return!0;n=r-1}return!1}(e,s)?0:e>=131072&&e<=196605||e>=196608&&e<=262141?2:1},e}();t.UnicodeV6=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this.charsets=[],this.glevel=0}return e.prototype.reset=function(){this.charset=void 0,this.charsets=[],this.glevel=0},e.prototype.setgLevel=function(e){this.glevel=e,this.charset=this.charsets[e]},e.prototype.setgCharset=function(e,t){this.charsets[e]=t,this.glevel===e&&(this.charset=t)},e}();t.CharsetService=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this._addons=[]}return e.prototype.dispose=function(){for(var e=this._addons.length-1;e>=0;e--)this._addons[e].instance.dispose()},e.prototype.loadAddon=function(e,t){var r=this,i={instance:t,dispose:t.dispose,isDisposed:!1};this._addons.push(i),t.dispose=function(){return r._wrappedAddonDispose(i)},t.activate(e)},e.prototype._wrappedAddonDispose=function(e){if(!e.isDisposed){for(var t=-1,r=0;r<this._addons.length;r++)if(this._addons[r]===e){t=r;break}if(-1===t)throw new Error("Could not dispose an addon that has not been loaded");e.isDisposed=!0,e.dispose.apply(e.instance),this._addons.splice(t,1)}},e}();t.AddonManager=i}])});
+//# sourceMappingURL=xterm.js.map
\ No newline at end of file
diff --git a/static/xterm/style.css b/static/xterm/style.css
new file mode 100644
index 0000000000000000000000000000000000000000..b061dfcbbd8266db3dceb08057ed5323bd348cff
--- /dev/null
+++ b/static/xterm/style.css
@@ -0,0 +1,32 @@
+body {
+    font-family: helvetica, sans-serif, arial;
+    font-size: 1em;
+    color: #111;
+}
+
+h1 {
+    text-align: center;
+}
+
+#terminal-container {
+    width: 800px;
+    height: 450px;
+    margin: 0 auto;
+    padding: 2px;
+}
+
+p {
+    font-size: 0.9em;
+    font-style: italic
+}
+
+#option-container {
+    display: flex;
+    justify-content: center;
+}
+
+.option-group {
+    display: inline-block;
+    padding-left: 20px;
+    vertical-align: top;
+}
diff --git a/static/xterm/terminado.js b/static/xterm/terminado.js
new file mode 100644
index 0000000000000000000000000000000000000000..315629d30565ba7556bb7ee9b07dd962daf0ca67
--- /dev/null
+++ b/static/xterm/terminado.js
@@ -0,0 +1,69 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.terminado = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function terminadoAttach(term, socket, bidirectional, buffered) {
+    var addonTerminal = term;
+    bidirectional = (typeof bidirectional === 'undefined') ? true : bidirectional;
+    addonTerminal.__socket = socket;
+    addonTerminal.__flushBuffer = function () {
+        addonTerminal.write(addonTerminal.__attachSocketBuffer);
+        addonTerminal.__attachSocketBuffer = null;
+    };
+    addonTerminal.__pushToBuffer = function (data) {
+        if (addonTerminal.__attachSocketBuffer) {
+            addonTerminal.__attachSocketBuffer += data;
+        }
+        else {
+            addonTerminal.__attachSocketBuffer = data;
+            setTimeout(addonTerminal.__flushBuffer, 10);
+        }
+    };
+    addonTerminal.__getMessage = function (ev) {
+        var data = JSON.parse(ev.data);
+        if (data[0] === 'stdout') {
+            if (buffered) {
+                addonTerminal.__pushToBuffer(data[1]);
+            }
+            else {
+                addonTerminal.write(data[1]);
+            }
+        }
+    };
+    addonTerminal.__sendData = function (data) {
+        socket.send(JSON.stringify(['stdin', data]));
+    };
+    addonTerminal.__setSize = function (size) {
+        socket.send(JSON.stringify(['set_size', size.rows, size.cols]));
+    };
+    socket.addEventListener('message', addonTerminal.__getMessage);
+    if (bidirectional) {
+        addonTerminal.on('data', addonTerminal.__sendData);
+    }
+    addonTerminal.on('resize', addonTerminal.__setSize);
+    socket.addEventListener('close', function () { return terminadoDetach(addonTerminal, socket); });
+    socket.addEventListener('error', function () { return terminadoDetach(addonTerminal, socket); });
+}
+exports.terminadoAttach = terminadoAttach;
+function terminadoDetach(term, socket) {
+    var addonTerminal = term;
+    addonTerminal.off('data', addonTerminal.__sendData);
+    socket = (typeof socket === 'undefined') ? addonTerminal.__socket : socket;
+    if (socket) {
+        socket.removeEventListener('message', addonTerminal.__getMessage);
+    }
+    delete addonTerminal.__socket;
+}
+exports.terminadoDetach = terminadoDetach;
+function apply(terminalConstructor) {
+    terminalConstructor.prototype.terminadoAttach = function (socket, bidirectional, buffered) {
+        return terminadoAttach(this, socket, bidirectional, buffered);
+    };
+    terminalConstructor.prototype.terminadoDetach = function (socket) {
+        return terminadoDetach(this, socket);
+    };
+}
+exports.apply = apply;
+
+},{}]},{},[1])(1)
+});
+//# sourceMappingURL=terminado.js.map
diff --git a/static/xterm/terminado.js.map b/static/xterm/terminado.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..2cbf183113e06ef9847992908417ffa075e9ff17
--- /dev/null
+++ b/static/xterm/terminado.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"terminado.js","sources":["../../../src/addons/terminado/terminado.ts","../../../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This module provides methods for attaching a terminal to a terminado\n * WebSocket stream.\n */\n\nimport { Terminal } from 'xterm';\nimport { ITerminadoAddonTerminal } from './Interfaces';\n\n/**\n * Attaches the given terminal to the given socket.\n *\n * @param term The terminal to be attached to the given socket.\n * @param socket The socket to attach the current terminal.\n * @param bidirectional Whether the terminal should send data to the socket as well.\n * @param buffered Whether the rendering of incoming data should happen instantly or at a maximum\n * frequency of 1 rendering per 10ms.\n */\nexport function terminadoAttach(term: Terminal, socket: WebSocket, bidirectional: boolean, buffered: boolean): void {\n  const addonTerminal = <ITerminadoAddonTerminal>term;\n  bidirectional = (typeof bidirectional === 'undefined') ? true : bidirectional;\n  addonTerminal.__socket = socket;\n\n  addonTerminal.__flushBuffer = () => {\n    addonTerminal.write(addonTerminal.__attachSocketBuffer);\n    addonTerminal.__attachSocketBuffer = null;\n  };\n\n  addonTerminal.__pushToBuffer = (data: string) => {\n    if (addonTerminal.__attachSocketBuffer) {\n      addonTerminal.__attachSocketBuffer += data;\n    } else {\n      addonTerminal.__attachSocketBuffer = data;\n      setTimeout(addonTerminal.__flushBuffer, 10);\n    }\n  };\n\n  addonTerminal.__getMessage = (ev: MessageEvent) => {\n    const data = JSON.parse(ev.data);\n    if (data[0] === 'stdout') {\n      if (buffered) {\n        addonTerminal.__pushToBuffer(data[1]);\n      } else {\n        addonTerminal.write(data[1]);\n      }\n    }\n  };\n\n  addonTerminal.__sendData = (data: string) => {\n    socket.send(JSON.stringify(['stdin', data]));\n  };\n\n  addonTerminal.__setSize = (size: {rows: number, cols: number}) => {\n    socket.send(JSON.stringify(['set_size', size.rows, size.cols]));\n  };\n\n  socket.addEventListener('message', addonTerminal.__getMessage);\n\n  if (bidirectional) {\n    addonTerminal.on('data', addonTerminal.__sendData);\n  }\n  addonTerminal.on('resize', addonTerminal.__setSize);\n\n  socket.addEventListener('close', () => terminadoDetach(addonTerminal, socket));\n  socket.addEventListener('error', () => terminadoDetach(addonTerminal, socket));\n}\n\n/**\n * Detaches the given terminal from the given socket\n *\n * @param term The terminal to be detached from the given socket.\n * @param socket The socket from which to detach the current terminal.\n */\nexport function terminadoDetach(term: Terminal, socket: WebSocket): void {\n  const addonTerminal = <ITerminadoAddonTerminal>term;\n  addonTerminal.off('data', addonTerminal.__sendData);\n\n  socket = (typeof socket === 'undefined') ? addonTerminal.__socket : socket;\n\n  if (socket) {\n    socket.removeEventListener('message', addonTerminal.__getMessage);\n  }\n\n  delete addonTerminal.__socket;\n}\n\nexport function apply(terminalConstructor: typeof Terminal): void {\n  /**\n   * Attaches the current terminal to the given socket\n   *\n   * @param socket - The socket to attach the current terminal.\n   * @param bidirectional - Whether the terminal should send data to the socket as well.\n   * @param buffered - Whether the rendering of incoming data should happen instantly or at a\n   * maximum frequency of 1 rendering per 10ms.\n   */\n  (<any>terminalConstructor.prototype).terminadoAttach = function (socket: WebSocket, bidirectional: boolean, buffered: boolean): void {\n    return terminadoAttach(this, socket, bidirectional, buffered);\n  };\n\n  /**\n   * Detaches the current terminal from the given socket.\n   *\n   * @param socket The socket from which to detach the current terminal.\n   */\n  (<any>terminalConstructor.prototype).terminadoDetach = function (socket: WebSocket): void {\n    return terminadoDetach(this, socket);\n  };\n}\n",null],"names":[],"mappings":"ACAA;;;ADoBA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AAAA;AACA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAAA;AACA;AACA;AACA;AACA;AAEA;AACA;AACA;AAEA;AACA;AACA;AAEA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AA/CA;AAuDA;AACA;AACA;AAEA;AAEA;AACA;AACA;AAEA;AACA;AAXA;AAaA;AASA;AACA;AACA;AAOA;AACA;AACA;AACA;AArBA;"}
\ No newline at end of file
diff --git a/static/xterm/xterm.css b/static/xterm/xterm.css
new file mode 100644
index 0000000000000000000000000000000000000000..8e129f50fe0dd369697de30d8cf96869795ef2dd
--- /dev/null
+++ b/static/xterm/xterm.css
@@ -0,0 +1,164 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ * @license MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/**
+ *  Default styles for xterm.js
+ */
+
+.xterm {
+    font-family: courier-new, courier, monospace;
+    font-feature-settings: "liga" 0;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.xterm.focus,
+.xterm:focus {
+    outline: none;
+}
+
+.xterm .xterm-helpers {
+    position: absolute;
+    top: 0;
+    /**
+     * The z-index of the helpers must be higher than the canvases in order for
+     * IMEs to appear on top.
+     */
+    z-index: 10;
+}
+
+.xterm .xterm-helper-textarea {
+    /*
+     * HACK: to fix IE's blinking cursor
+     * Move textarea out of the screen to the far left, so that the cursor is not visible.
+     */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -10;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.xterm .composition-view {
+    /* TODO: Composition position got messed up somewhere */
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.xterm .composition-view.active {
+    display: block;
+}
+
+.xterm .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+    cursor: default;
+    position: absolute;
+    right: 0;
+    left: 0;
+    top: 0;
+    bottom: 0;
+}
+
+.xterm .xterm-screen {
+    position: relative;
+}
+
+.xterm .xterm-screen canvas {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.xterm .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    top: 0;
+    left: -9999em;
+    line-height: normal;
+}
+
+.xterm {
+    cursor: text;
+}
+
+.xterm.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.xterm.xterm-cursor-pointer {
+    cursor: pointer;
+}
+
+.xterm.xterm-cursor-crosshair {
+    /* Column selection mode */
+    cursor: crosshair;
+}
+
+.xterm .xterm-accessibility,
+.xterm .xterm-message {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    z-index: 100;
+    color: transparent;
+}
+
+.xterm .live-region {
+    position: absolute;
+    left: -9999px;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+}
diff --git a/static/xterm/xterm.js b/static/xterm/xterm.js
new file mode 100644
index 0000000000000000000000000000000000000000..eb44f54b07b04d91d2188c5d8bcfcbaba9ea8497
--- /dev/null
+++ b/static/xterm/xterm.js
@@ -0,0 +1,8907 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Strings = require("./Strings");
+var Browser_1 = require("./shared/utils/Browser");
+var RenderDebouncer_1 = require("./ui/RenderDebouncer");
+var Lifecycle_1 = require("./ui/Lifecycle");
+var Lifecycle_2 = require("./common/Lifecycle");
+var MAX_ROWS_TO_READ = 20;
+var AccessibilityManager = (function (_super) {
+    __extends(AccessibilityManager, _super);
+    function AccessibilityManager(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._liveRegionLineCount = 0;
+        _this._charsToConsume = [];
+        _this._accessibilityTreeRoot = document.createElement('div');
+        _this._accessibilityTreeRoot.classList.add('xterm-accessibility');
+        _this._rowContainer = document.createElement('div');
+        _this._rowContainer.classList.add('xterm-accessibility-tree');
+        _this._rowElements = [];
+        for (var i = 0; i < _this._terminal.rows; i++) {
+            _this._rowElements[i] = _this._createAccessibilityTreeNode();
+            _this._rowContainer.appendChild(_this._rowElements[i]);
+        }
+        _this._topBoundaryFocusListener = function (e) { return _this._onBoundaryFocus(e, 0); };
+        _this._bottomBoundaryFocusListener = function (e) { return _this._onBoundaryFocus(e, 1); };
+        _this._rowElements[0].addEventListener('focus', _this._topBoundaryFocusListener);
+        _this._rowElements[_this._rowElements.length - 1].addEventListener('focus', _this._bottomBoundaryFocusListener);
+        _this._refreshRowsDimensions();
+        _this._accessibilityTreeRoot.appendChild(_this._rowContainer);
+        _this._renderRowsDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._terminal, _this._renderRows.bind(_this));
+        _this._refreshRows();
+        _this._liveRegion = document.createElement('div');
+        _this._liveRegion.classList.add('live-region');
+        _this._liveRegion.setAttribute('aria-live', 'assertive');
+        _this._accessibilityTreeRoot.appendChild(_this._liveRegion);
+        _this._terminal.element.insertAdjacentElement('afterbegin', _this._accessibilityTreeRoot);
+        _this.register(_this._renderRowsDebouncer);
+        _this.register(_this._terminal.addDisposableListener('resize', function (data) { return _this._onResize(data.rows); }));
+        _this.register(_this._terminal.addDisposableListener('refresh', function (data) { return _this._refreshRows(data.start, data.end); }));
+        _this.register(_this._terminal.addDisposableListener('scroll', function (data) { return _this._refreshRows(); }));
+        _this.register(_this._terminal.addDisposableListener('a11y.char', function (char) { return _this._onChar(char); }));
+        _this.register(_this._terminal.addDisposableListener('linefeed', function () { return _this._onChar('\n'); }));
+        _this.register(_this._terminal.addDisposableListener('a11y.tab', function (spaceCount) { return _this._onTab(spaceCount); }));
+        _this.register(_this._terminal.addDisposableListener('key', function (keyChar) { return _this._onKey(keyChar); }));
+        _this.register(_this._terminal.addDisposableListener('blur', function () { return _this._clearLiveRegion(); }));
+        _this.register(_this._terminal.addDisposableListener('dprchange', function () { return _this._refreshRowsDimensions(); }));
+        _this.register(_this._terminal.renderer.addDisposableListener('resize', function () { return _this._refreshRowsDimensions(); }));
+        _this.register(Lifecycle_1.addDisposableDomListener(window, 'resize', function () { return _this._refreshRowsDimensions(); }));
+        return _this;
+    }
+    AccessibilityManager.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._terminal.element.removeChild(this._accessibilityTreeRoot);
+        this._rowElements.length = 0;
+    };
+    AccessibilityManager.prototype._onBoundaryFocus = function (e, position) {
+        var boundaryElement = e.target;
+        var beforeBoundaryElement = this._rowElements[position === 0 ? 1 : this._rowElements.length - 2];
+        var posInSet = boundaryElement.getAttribute('aria-posinset');
+        var lastRowPos = position === 0 ? '1' : "" + this._terminal.buffer.lines.length;
+        if (posInSet === lastRowPos) {
+            return;
+        }
+        if (e.relatedTarget !== beforeBoundaryElement) {
+            return;
+        }
+        var topBoundaryElement;
+        var bottomBoundaryElement;
+        if (position === 0) {
+            topBoundaryElement = boundaryElement;
+            bottomBoundaryElement = this._rowElements.pop();
+            this._rowContainer.removeChild(bottomBoundaryElement);
+        }
+        else {
+            topBoundaryElement = this._rowElements.shift();
+            bottomBoundaryElement = boundaryElement;
+            this._rowContainer.removeChild(topBoundaryElement);
+        }
+        topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);
+        bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);
+        if (position === 0) {
+            var newElement = this._createAccessibilityTreeNode();
+            this._rowElements.unshift(newElement);
+            this._rowContainer.insertAdjacentElement('afterbegin', newElement);
+        }
+        else {
+            var newElement = this._createAccessibilityTreeNode();
+            this._rowElements.push(newElement);
+            this._rowContainer.appendChild(newElement);
+        }
+        this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
+        this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+        this._terminal.scrollLines(position === 0 ? -1 : 1);
+        this._rowElements[position === 0 ? 1 : this._rowElements.length - 2].focus();
+        e.preventDefault();
+        e.stopImmediatePropagation();
+    };
+    AccessibilityManager.prototype._onResize = function (rows) {
+        this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);
+        for (var i = this._rowContainer.children.length; i < this._terminal.rows; i++) {
+            this._rowElements[i] = this._createAccessibilityTreeNode();
+            this._rowContainer.appendChild(this._rowElements[i]);
+        }
+        while (this._rowElements.length > rows) {
+            this._rowContainer.removeChild(this._rowElements.pop());
+        }
+        this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
+        this._refreshRowsDimensions();
+    };
+    AccessibilityManager.prototype._createAccessibilityTreeNode = function () {
+        var element = document.createElement('div');
+        element.setAttribute('role', 'listitem');
+        element.tabIndex = -1;
+        this._refreshRowDimensions(element);
+        return element;
+    };
+    AccessibilityManager.prototype._onTab = function (spaceCount) {
+        for (var i = 0; i < spaceCount; i++) {
+            this._onChar(' ');
+        }
+    };
+    AccessibilityManager.prototype._onChar = function (char) {
+        var _this = this;
+        if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {
+            if (this._charsToConsume.length > 0) {
+                var shiftedChar = this._charsToConsume.shift();
+                if (shiftedChar !== char) {
+                    this._announceCharacter(char);
+                }
+            }
+            else {
+                this._announceCharacter(char);
+            }
+            if (char === '\n') {
+                this._liveRegionLineCount++;
+                if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {
+                    this._liveRegion.textContent += Strings.tooMuchOutput;
+                }
+            }
+            if (Browser_1.isMac) {
+                if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {
+                    setTimeout(function () {
+                        _this._accessibilityTreeRoot.appendChild(_this._liveRegion);
+                    }, 0);
+                }
+            }
+        }
+    };
+    AccessibilityManager.prototype._clearLiveRegion = function () {
+        this._liveRegion.textContent = '';
+        this._liveRegionLineCount = 0;
+        if (Browser_1.isMac) {
+            if (this._liveRegion.parentNode) {
+                this._accessibilityTreeRoot.removeChild(this._liveRegion);
+            }
+        }
+    };
+    AccessibilityManager.prototype._onKey = function (keyChar) {
+        this._clearLiveRegion();
+        this._charsToConsume.push(keyChar);
+    };
+    AccessibilityManager.prototype._refreshRows = function (start, end) {
+        this._renderRowsDebouncer.refresh(start, end);
+    };
+    AccessibilityManager.prototype._renderRows = function (start, end) {
+        var buffer = this._terminal.buffer;
+        var setSize = buffer.lines.length.toString();
+        for (var i = start; i <= end; i++) {
+            var lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);
+            var posInSet = (buffer.ydisp + i + 1).toString();
+            var element = this._rowElements[i];
+            element.textContent = lineData.length === 0 ? Strings.blankLine : lineData;
+            element.setAttribute('aria-posinset', posInSet);
+            element.setAttribute('aria-setsize', setSize);
+        }
+    };
+    AccessibilityManager.prototype._refreshRowsDimensions = function () {
+        if (!this._terminal.renderer.dimensions.actualCellHeight) {
+            return;
+        }
+        if (this._rowElements.length !== this._terminal.rows) {
+            this._onResize(this._terminal.rows);
+        }
+        for (var i = 0; i < this._terminal.rows; i++) {
+            this._refreshRowDimensions(this._rowElements[i]);
+        }
+    };
+    AccessibilityManager.prototype._refreshRowDimensions = function (element) {
+        element.style.height = this._terminal.renderer.dimensions.actualCellHeight + "px";
+    };
+    AccessibilityManager.prototype._announceCharacter = function (char) {
+        if (char === ' ') {
+            this._liveRegion.innerHTML += '&nbsp;';
+        }
+        else {
+            this._liveRegion.textContent += char;
+        }
+    };
+    return AccessibilityManager;
+}(Lifecycle_2.Disposable));
+exports.AccessibilityManager = AccessibilityManager;
+
+},{"./Strings":13,"./common/Lifecycle":18,"./shared/utils/Browser":46,"./ui/Lifecycle":48,"./ui/RenderDebouncer":50}],2:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var CircularList_1 = require("./common/CircularList");
+var EventEmitter_1 = require("./common/EventEmitter");
+var BufferLine_1 = require("./BufferLine");
+exports.DEFAULT_ATTR = (0 << 18) | (257 << 9) | (256 << 0);
+exports.CHAR_DATA_ATTR_INDEX = 0;
+exports.CHAR_DATA_CHAR_INDEX = 1;
+exports.CHAR_DATA_WIDTH_INDEX = 2;
+exports.CHAR_DATA_CODE_INDEX = 3;
+exports.MAX_BUFFER_SIZE = 4294967295;
+exports.NULL_CELL_CHAR = ' ';
+exports.NULL_CELL_WIDTH = 1;
+exports.NULL_CELL_CODE = 32;
+var Buffer = (function () {
+    function Buffer(_terminal, _hasScrollback) {
+        this._terminal = _terminal;
+        this._hasScrollback = _hasScrollback;
+        this.markers = [];
+        this.clear();
+    }
+    Object.defineProperty(Buffer.prototype, "hasScrollback", {
+        get: function () {
+            return this._hasScrollback && this.lines.maxLength > this._terminal.rows;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(Buffer.prototype, "isCursorInViewport", {
+        get: function () {
+            var absoluteY = this.ybase + this.y;
+            var relativeY = absoluteY - this.ydisp;
+            return (relativeY >= 0 && relativeY < this._terminal.rows);
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Buffer.prototype._getCorrectBufferLength = function (rows) {
+        if (!this._hasScrollback) {
+            return rows;
+        }
+        var correctBufferLength = rows + this._terminal.options.scrollback;
+        return correctBufferLength > exports.MAX_BUFFER_SIZE ? exports.MAX_BUFFER_SIZE : correctBufferLength;
+    };
+    Buffer.prototype.fillViewportRows = function () {
+        if (this.lines.length === 0) {
+            var i = this._terminal.rows;
+            while (i--) {
+                this.lines.push(BufferLine_1.BufferLine.blankLine(this._terminal.cols, exports.DEFAULT_ATTR));
+            }
+        }
+    };
+    Buffer.prototype.clear = function () {
+        this.ydisp = 0;
+        this.ybase = 0;
+        this.y = 0;
+        this.x = 0;
+        this.lines = new CircularList_1.CircularList(this._getCorrectBufferLength(this._terminal.rows));
+        this.scrollTop = 0;
+        this.scrollBottom = this._terminal.rows - 1;
+        this.setupTabStops();
+    };
+    Buffer.prototype.resize = function (newCols, newRows) {
+        var newMaxLength = this._getCorrectBufferLength(newRows);
+        if (newMaxLength > this.lines.maxLength) {
+            this.lines.maxLength = newMaxLength;
+        }
+        if (this.lines.length > 0) {
+            if (this._terminal.cols < newCols) {
+                var ch = [exports.DEFAULT_ATTR, exports.NULL_CELL_CHAR, exports.NULL_CELL_WIDTH, exports.NULL_CELL_CODE];
+                for (var i = 0; i < this.lines.length; i++) {
+                    while (this.lines.get(i).length < newCols) {
+                        this.lines.get(i).push(ch);
+                    }
+                }
+            }
+            var addToY = 0;
+            if (this._terminal.rows < newRows) {
+                for (var y = this._terminal.rows; y < newRows; y++) {
+                    if (this.lines.length < newRows + this.ybase) {
+                        if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
+                            this.ybase--;
+                            addToY++;
+                            if (this.ydisp > 0) {
+                                this.ydisp--;
+                            }
+                        }
+                        else {
+                            this.lines.push(BufferLine_1.BufferLine.blankLine(newCols, exports.DEFAULT_ATTR));
+                        }
+                    }
+                }
+            }
+            else {
+                for (var y = this._terminal.rows; y > newRows; y--) {
+                    if (this.lines.length > newRows + this.ybase) {
+                        if (this.lines.length > this.ybase + this.y + 1) {
+                            this.lines.pop();
+                        }
+                        else {
+                            this.ybase++;
+                            this.ydisp++;
+                        }
+                    }
+                }
+            }
+            if (newMaxLength < this.lines.maxLength) {
+                var amountToTrim = this.lines.length - newMaxLength;
+                if (amountToTrim > 0) {
+                    this.lines.trimStart(amountToTrim);
+                    this.ybase = Math.max(this.ybase - amountToTrim, 0);
+                    this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
+                }
+                this.lines.maxLength = newMaxLength;
+            }
+            this.x = Math.min(this.x, newCols - 1);
+            this.y = Math.min(this.y, newRows - 1);
+            if (addToY) {
+                this.y += addToY;
+            }
+            this.savedY = Math.min(this.savedY, newRows - 1);
+            this.savedX = Math.min(this.savedX, newCols - 1);
+            this.scrollTop = 0;
+        }
+        this.scrollBottom = newRows - 1;
+    };
+    Buffer.prototype.stringIndexToBufferIndex = function (lineIndex, stringIndex) {
+        while (stringIndex) {
+            var line = this.lines.get(lineIndex);
+            if (!line) {
+                [-1, -1];
+            }
+            for (var i = 0; i < line.length; ++i) {
+                stringIndex -= line.get(i)[exports.CHAR_DATA_CHAR_INDEX].length;
+                if (stringIndex < 0) {
+                    return [lineIndex, i];
+                }
+            }
+            lineIndex++;
+        }
+        return [lineIndex, 0];
+    };
+    Buffer.prototype.translateBufferLineToString = function (lineIndex, trimRight, startCol, endCol) {
+        if (startCol === void 0) { startCol = 0; }
+        if (endCol === void 0) { endCol = null; }
+        var lineString = '';
+        var line = this.lines.get(lineIndex);
+        if (!line) {
+            return '';
+        }
+        var startIndex = startCol;
+        if (endCol === null) {
+            endCol = line.length;
+        }
+        var endIndex = endCol;
+        for (var i = 0; i < line.length; i++) {
+            var char = line.get(i);
+            lineString += char[exports.CHAR_DATA_CHAR_INDEX];
+            if (char[exports.CHAR_DATA_WIDTH_INDEX] === 0) {
+                if (startCol >= i) {
+                    startIndex--;
+                }
+                if (endCol > i) {
+                    endIndex--;
+                }
+            }
+            else {
+                if (char[exports.CHAR_DATA_CHAR_INDEX].length > 1) {
+                    if (startCol > i) {
+                        startIndex += char[exports.CHAR_DATA_CHAR_INDEX].length - 1;
+                    }
+                    if (endCol > i) {
+                        endIndex += char[exports.CHAR_DATA_CHAR_INDEX].length - 1;
+                    }
+                }
+            }
+        }
+        if (trimRight) {
+            var rightWhitespaceIndex = lineString.search(/\s+$/);
+            if (rightWhitespaceIndex !== -1) {
+                endIndex = Math.min(endIndex, rightWhitespaceIndex);
+            }
+            if (endIndex <= startIndex) {
+                return '';
+            }
+        }
+        return lineString.substring(startIndex, endIndex);
+    };
+    Buffer.prototype.getWrappedRangeForLine = function (y) {
+        var first = y;
+        var last = y;
+        while (first > 0 && this.lines.get(first).isWrapped) {
+            first--;
+        }
+        while (last + 1 < this.lines.length && this.lines.get(last + 1).isWrapped) {
+            last++;
+        }
+        return { first: first, last: last };
+    };
+    Buffer.prototype.setupTabStops = function (i) {
+        if (i !== null && i !== undefined) {
+            if (!this.tabs[i]) {
+                i = this.prevStop(i);
+            }
+        }
+        else {
+            this.tabs = {};
+            i = 0;
+        }
+        for (; i < this._terminal.cols; i += this._terminal.options.tabStopWidth) {
+            this.tabs[i] = true;
+        }
+    };
+    Buffer.prototype.prevStop = function (x) {
+        if (x === null || x === undefined) {
+            x = this.x;
+        }
+        while (!this.tabs[--x] && x > 0)
+            ;
+        return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;
+    };
+    Buffer.prototype.nextStop = function (x) {
+        if (x === null || x === undefined) {
+            x = this.x;
+        }
+        while (!this.tabs[++x] && x < this._terminal.cols)
+            ;
+        return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;
+    };
+    Buffer.prototype.addMarker = function (y) {
+        var _this = this;
+        var marker = new Marker(y);
+        this.markers.push(marker);
+        marker.register(this.lines.addDisposableListener('trim', function (amount) {
+            marker.line -= amount;
+            if (marker.line < 0) {
+                marker.dispose();
+            }
+        }));
+        marker.register(marker.addDisposableListener('dispose', function () { return _this._removeMarker(marker); }));
+        return marker;
+    };
+    Buffer.prototype._removeMarker = function (marker) {
+        this.markers.splice(this.markers.indexOf(marker), 1);
+    };
+    Buffer.prototype.iterator = function (trimRight, startIndex, endIndex, startOverscan, endOverscan) {
+        return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);
+    };
+    return Buffer;
+}());
+exports.Buffer = Buffer;
+var Marker = (function (_super) {
+    __extends(Marker, _super);
+    function Marker(line) {
+        var _this = _super.call(this) || this;
+        _this.line = line;
+        _this._id = Marker._nextId++;
+        _this.isDisposed = false;
+        return _this;
+    }
+    Object.defineProperty(Marker.prototype, "id", {
+        get: function () { return this._id; },
+        enumerable: true,
+        configurable: true
+    });
+    Marker.prototype.dispose = function () {
+        if (this.isDisposed) {
+            return;
+        }
+        this.isDisposed = true;
+        this.emit('dispose');
+        _super.prototype.dispose.call(this);
+    };
+    Marker._nextId = 1;
+    return Marker;
+}(EventEmitter_1.EventEmitter));
+exports.Marker = Marker;
+var BufferStringIterator = (function () {
+    function BufferStringIterator(_buffer, _trimRight, _startIndex, _endIndex, _startOverscan, _endOverscan) {
+        if (_startIndex === void 0) { _startIndex = 0; }
+        if (_endIndex === void 0) { _endIndex = _buffer.lines.length; }
+        if (_startOverscan === void 0) { _startOverscan = 0; }
+        if (_endOverscan === void 0) { _endOverscan = 0; }
+        this._buffer = _buffer;
+        this._trimRight = _trimRight;
+        this._startIndex = _startIndex;
+        this._endIndex = _endIndex;
+        this._startOverscan = _startOverscan;
+        this._endOverscan = _endOverscan;
+        if (this._startIndex < 0) {
+            this._startIndex = 0;
+        }
+        if (this._endIndex > this._buffer.lines.length) {
+            this._endIndex = this._buffer.lines.length;
+        }
+        this._current = this._startIndex;
+    }
+    BufferStringIterator.prototype.hasNext = function () {
+        return this._current < this._endIndex;
+    };
+    BufferStringIterator.prototype.next = function () {
+        var range = this._buffer.getWrappedRangeForLine(this._current);
+        if (range.first < this._startIndex - this._startOverscan) {
+            range.first = this._startIndex - this._startOverscan;
+        }
+        if (range.last > this._endIndex + this._endOverscan) {
+            range.last = this._endIndex + this._endOverscan;
+        }
+        range.first = Math.max(range.first, 0);
+        range.last = Math.min(range.last, this._buffer.lines.length);
+        var result = '';
+        for (var i = range.first; i <= range.last; ++i) {
+            result += this._buffer.translateBufferLineToString(i, (this._trimRight) ? i === range.last : false);
+        }
+        this._current = range.last + 1;
+        return { range: range, content: result };
+    };
+    return BufferStringIterator;
+}());
+exports.BufferStringIterator = BufferStringIterator;
+
+},{"./BufferLine":3,"./common/CircularList":16,"./common/EventEmitter":17}],3:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("./Buffer");
+var BufferLine = (function () {
+    function BufferLine(cols, ch, isWrapped) {
+        this.isWrapped = false;
+        this._data = [];
+        this.length = this._data.length;
+        if (cols) {
+            if (!ch) {
+                ch = [0, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE];
+            }
+            for (var i = 0; i < cols; i++) {
+                this.push(ch);
+            }
+        }
+        if (isWrapped) {
+            this.isWrapped = true;
+        }
+    }
+    BufferLine.blankLine = function (cols, attr, isWrapped) {
+        var ch = [attr, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE];
+        return new BufferLine(cols, ch, isWrapped);
+    };
+    BufferLine.prototype.get = function (index) {
+        return this._data[index];
+    };
+    BufferLine.prototype.set = function (index, data) {
+        this._data[index] = data;
+    };
+    BufferLine.prototype.pop = function () {
+        var data = this._data.pop();
+        this.length = this._data.length;
+        return data;
+    };
+    BufferLine.prototype.push = function (data) {
+        this._data.push(data);
+        this.length = this._data.length;
+    };
+    BufferLine.prototype.splice = function (start, deleteCount) {
+        var items = [];
+        for (var _i = 2; _i < arguments.length; _i++) {
+            items[_i - 2] = arguments[_i];
+        }
+        var _a;
+        var removed = (_a = this._data).splice.apply(_a, [start, deleteCount].concat(items));
+        this.length = this._data.length;
+        return removed;
+    };
+    BufferLine.prototype.insertCells = function (pos, n, ch) {
+        while (n--) {
+            this.splice(pos, 0, ch);
+            this.pop();
+        }
+    };
+    BufferLine.prototype.deleteCells = function (pos, n, fill) {
+        while (n--) {
+            this.splice(pos, 1);
+            this.push(fill);
+        }
+    };
+    BufferLine.prototype.replaceCells = function (start, end, fill) {
+        while (start < end && start < this.length) {
+            this.set(start++, fill);
+        }
+    };
+    return BufferLine;
+}());
+exports.BufferLine = BufferLine;
+
+},{"./Buffer":2}],4:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("./Buffer");
+var EventEmitter_1 = require("./common/EventEmitter");
+var BufferSet = (function (_super) {
+    __extends(BufferSet, _super);
+    function BufferSet(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._normal = new Buffer_1.Buffer(_this._terminal, true);
+        _this._normal.fillViewportRows();
+        _this._alt = new Buffer_1.Buffer(_this._terminal, false);
+        _this._activeBuffer = _this._normal;
+        _this.setupTabStops();
+        return _this;
+    }
+    Object.defineProperty(BufferSet.prototype, "alt", {
+        get: function () {
+            return this._alt;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "active", {
+        get: function () {
+            return this._activeBuffer;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "normal", {
+        get: function () {
+            return this._normal;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    BufferSet.prototype.activateNormalBuffer = function () {
+        if (this._activeBuffer === this._normal) {
+            return;
+        }
+        this._alt.clear();
+        this._activeBuffer = this._normal;
+        this.emit('activate', {
+            activeBuffer: this._normal,
+            inactiveBuffer: this._alt
+        });
+    };
+    BufferSet.prototype.activateAltBuffer = function () {
+        if (this._activeBuffer === this._alt) {
+            return;
+        }
+        this._alt.fillViewportRows();
+        this._activeBuffer = this._alt;
+        this.emit('activate', {
+            activeBuffer: this._alt,
+            inactiveBuffer: this._normal
+        });
+    };
+    BufferSet.prototype.resize = function (newCols, newRows) {
+        this._normal.resize(newCols, newRows);
+        this._alt.resize(newCols, newRows);
+    };
+    BufferSet.prototype.setupTabStops = function (i) {
+        this._normal.setupTabStops(i);
+        this._alt.setupTabStops(i);
+    };
+    return BufferSet;
+}(EventEmitter_1.EventEmitter));
+exports.BufferSet = BufferSet;
+
+},{"./Buffer":2,"./common/EventEmitter":17}],5:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.wcwidth = (function (opts) {
+    var COMBINING_BMP = [
+        [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+        [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+        [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+        [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+        [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+        [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+        [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+        [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+        [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+        [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+        [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+        [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+        [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+        [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+        [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+        [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+        [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+        [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+        [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+        [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+        [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+        [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+        [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+        [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+        [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+        [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+        [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+        [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+        [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+        [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+        [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+        [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+        [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+        [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+        [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+        [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+        [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+        [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+        [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+        [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+        [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+        [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+        [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
+    ];
+    var COMBINING_HIGH = [
+        [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+        [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+        [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+        [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+        [0xE0100, 0xE01EF]
+    ];
+    function bisearch(ucs, data) {
+        var min = 0;
+        var max = data.length - 1;
+        var mid;
+        if (ucs < data[0][0] || ucs > data[max][1]) {
+            return false;
+        }
+        while (max >= min) {
+            mid = (min + max) >> 1;
+            if (ucs > data[mid][1]) {
+                min = mid + 1;
+            }
+            else if (ucs < data[mid][0]) {
+                max = mid - 1;
+            }
+            else {
+                return true;
+            }
+        }
+        return false;
+    }
+    function wcwidthBMP(ucs) {
+        if (ucs === 0) {
+            return opts.nul;
+        }
+        if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) {
+            return opts.control;
+        }
+        if (bisearch(ucs, COMBINING_BMP)) {
+            return 0;
+        }
+        if (isWideBMP(ucs)) {
+            return 2;
+        }
+        return 1;
+    }
+    function isWideBMP(ucs) {
+        return (ucs >= 0x1100 && (ucs <= 0x115f ||
+            ucs === 0x2329 ||
+            ucs === 0x232a ||
+            (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||
+            (ucs >= 0xac00 && ucs <= 0xd7a3) ||
+            (ucs >= 0xf900 && ucs <= 0xfaff) ||
+            (ucs >= 0xfe10 && ucs <= 0xfe19) ||
+            (ucs >= 0xfe30 && ucs <= 0xfe6f) ||
+            (ucs >= 0xff00 && ucs <= 0xff60) ||
+            (ucs >= 0xffe0 && ucs <= 0xffe6)));
+    }
+    function wcwidthHigh(ucs) {
+        if (bisearch(ucs, COMBINING_HIGH)) {
+            return 0;
+        }
+        if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
+            return 2;
+        }
+        return 1;
+    }
+    var control = opts.control | 0;
+    var table = null;
+    function initTable() {
+        var CODEPOINTS = 65536;
+        var BITWIDTH = 2;
+        var ITEMSIZE = 32;
+        var CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
+        var CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
+        table = (typeof Uint32Array === 'undefined')
+            ? new Array(CONTAINERSIZE)
+            : new Uint32Array(CONTAINERSIZE);
+        for (var i = 0; i < CONTAINERSIZE; ++i) {
+            var num = 0;
+            var pos = CODEPOINTS_PER_ITEM;
+            while (pos--) {
+                num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
+            }
+            table[i] = num;
+        }
+        return table;
+    }
+    return function (num) {
+        num = num | 0;
+        if (num < 32) {
+            return control | 0;
+        }
+        if (num < 127) {
+            return 1;
+        }
+        var t = table || initTable();
+        if (num < 65536) {
+            return t[num >> 4] >> ((num & 15) << 1) & 3;
+        }
+        return wcwidthHigh(num);
+    };
+})({ nul: 0, control: 0 });
+function getStringCellWidth(s) {
+    var result = 0;
+    for (var i = 0; i < s.length; ++i) {
+        var code = s.charCodeAt(i);
+        if (0xD800 <= code && code <= 0xDBFF) {
+            var low = s.charCodeAt(i + 1);
+            if (isNaN(low)) {
+                return result;
+            }
+            code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+        }
+        if (0xDC00 <= code && code <= 0xDFFF) {
+            continue;
+        }
+        result += exports.wcwidth(code);
+    }
+    return result;
+}
+exports.getStringCellWidth = getStringCellWidth;
+
+},{}],6:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CompositionHelper = (function () {
+    function CompositionHelper(_textarea, _compositionView, _terminal) {
+        this._textarea = _textarea;
+        this._compositionView = _compositionView;
+        this._terminal = _terminal;
+        this._isComposing = false;
+        this._isSendingComposition = false;
+        this._compositionPosition = { start: null, end: null };
+    }
+    CompositionHelper.prototype.compositionstart = function () {
+        this._isComposing = true;
+        this._compositionPosition.start = this._textarea.value.length;
+        this._compositionView.textContent = '';
+        this._compositionView.classList.add('active');
+    };
+    CompositionHelper.prototype.compositionupdate = function (ev) {
+        var _this = this;
+        this._compositionView.textContent = ev.data;
+        this.updateCompositionElements();
+        setTimeout(function () {
+            _this._compositionPosition.end = _this._textarea.value.length;
+        }, 0);
+    };
+    CompositionHelper.prototype.compositionend = function () {
+        this._finalizeComposition(true);
+    };
+    CompositionHelper.prototype.keydown = function (ev) {
+        if (this._isComposing || this._isSendingComposition) {
+            if (ev.keyCode === 229) {
+                return false;
+            }
+            else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+                return false;
+            }
+            this._finalizeComposition(false);
+        }
+        if (ev.keyCode === 229) {
+            this._handleAnyTextareaChanges();
+            return false;
+        }
+        return true;
+    };
+    CompositionHelper.prototype._finalizeComposition = function (waitForPropogation) {
+        var _this = this;
+        this._compositionView.classList.remove('active');
+        this._isComposing = false;
+        this._clearTextareaPosition();
+        if (!waitForPropogation) {
+            this._isSendingComposition = false;
+            var input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
+            this._terminal.handler(input);
+        }
+        else {
+            var currentCompositionPosition_1 = {
+                start: this._compositionPosition.start,
+                end: this._compositionPosition.end
+            };
+            this._isSendingComposition = true;
+            setTimeout(function () {
+                if (_this._isSendingComposition) {
+                    _this._isSendingComposition = false;
+                    var input = void 0;
+                    if (_this._isComposing) {
+                        input = _this._textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end);
+                    }
+                    else {
+                        input = _this._textarea.value.substring(currentCompositionPosition_1.start);
+                    }
+                    _this._terminal.handler(input);
+                }
+            }, 0);
+        }
+    };
+    CompositionHelper.prototype._handleAnyTextareaChanges = function () {
+        var _this = this;
+        var oldValue = this._textarea.value;
+        setTimeout(function () {
+            if (!_this._isComposing) {
+                var newValue = _this._textarea.value;
+                var diff = newValue.replace(oldValue, '');
+                if (diff.length > 0) {
+                    _this._terminal.handler(diff);
+                }
+            }
+        }, 0);
+    };
+    CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
+        var _this = this;
+        if (!this._isComposing) {
+            return;
+        }
+        if (this._terminal.buffer.isCursorInViewport) {
+            var cellHeight = Math.ceil(this._terminal.charMeasure.height * this._terminal.options.lineHeight);
+            var cursorTop = this._terminal.buffer.y * cellHeight;
+            var cursorLeft = this._terminal.buffer.x * this._terminal.charMeasure.width;
+            this._compositionView.style.left = cursorLeft + 'px';
+            this._compositionView.style.top = cursorTop + 'px';
+            this._compositionView.style.height = cellHeight + 'px';
+            this._compositionView.style.lineHeight = cellHeight + 'px';
+            var compositionViewBounds = this._compositionView.getBoundingClientRect();
+            this._textarea.style.left = cursorLeft + 'px';
+            this._textarea.style.top = cursorTop + 'px';
+            this._textarea.style.width = compositionViewBounds.width + 'px';
+            this._textarea.style.height = compositionViewBounds.height + 'px';
+            this._textarea.style.lineHeight = compositionViewBounds.height + 'px';
+        }
+        if (!dontRecurse) {
+            setTimeout(function () { return _this.updateCompositionElements(true); }, 0);
+        }
+    };
+    CompositionHelper.prototype._clearTextareaPosition = function () {
+        this._textarea.style.left = '';
+        this._textarea.style.top = '';
+    };
+    return CompositionHelper;
+}());
+exports.CompositionHelper = CompositionHelper;
+
+},{}],7:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Lifecycle_1 = require("./common/Lifecycle");
+function r(low, high) {
+    var c = high - low;
+    var arr = new Array(c);
+    while (c--) {
+        arr[c] = --high;
+    }
+    return arr;
+}
+var TransitionTable = (function () {
+    function TransitionTable(length) {
+        this.table = (typeof Uint8Array === 'undefined')
+            ? new Array(length)
+            : new Uint8Array(length);
+    }
+    TransitionTable.prototype.add = function (code, state, action, next) {
+        this.table[state << 8 | code] = ((action | 0) << 4) | ((next === undefined) ? state : next);
+    };
+    TransitionTable.prototype.addMany = function (codes, state, action, next) {
+        for (var i = 0; i < codes.length; i++) {
+            this.add(codes[i], state, action, next);
+        }
+    };
+    return TransitionTable;
+}());
+exports.TransitionTable = TransitionTable;
+var PRINTABLES = r(0x20, 0x7f);
+var EXECUTABLES = r(0x00, 0x18);
+EXECUTABLES.push(0x19);
+EXECUTABLES.concat(r(0x1c, 0x20));
+var DEFAULT_TRANSITION = 1 << 4 | 0;
+exports.VT500_TRANSITION_TABLE = (function () {
+    var table = new TransitionTable(4095);
+    var states = r(0, 13 + 1);
+    var state;
+    for (state in states) {
+        for (var code = 0; code < 160; ++code) {
+            table.add(code, state, 1, 0);
+        }
+    }
+    table.addMany(PRINTABLES, 0, 2, 0);
+    for (state in states) {
+        table.addMany([0x18, 0x1a, 0x99, 0x9a], state, 3, 0);
+        table.addMany(r(0x80, 0x90), state, 3, 0);
+        table.addMany(r(0x90, 0x98), state, 3, 0);
+        table.add(0x9c, state, 0, 0);
+        table.add(0x1b, state, 11, 1);
+        table.add(0x9d, state, 4, 8);
+        table.addMany([0x98, 0x9e, 0x9f], state, 0, 7);
+        table.add(0x9b, state, 11, 3);
+        table.add(0x90, state, 11, 9);
+    }
+    table.addMany(EXECUTABLES, 0, 3, 0);
+    table.addMany(EXECUTABLES, 1, 3, 1);
+    table.add(0x7f, 1, 0, 1);
+    table.addMany(EXECUTABLES, 8, 0, 8);
+    table.addMany(EXECUTABLES, 3, 3, 3);
+    table.add(0x7f, 3, 0, 3);
+    table.addMany(EXECUTABLES, 4, 3, 4);
+    table.add(0x7f, 4, 0, 4);
+    table.addMany(EXECUTABLES, 6, 3, 6);
+    table.addMany(EXECUTABLES, 5, 3, 5);
+    table.add(0x7f, 5, 0, 5);
+    table.addMany(EXECUTABLES, 2, 3, 2);
+    table.add(0x7f, 2, 0, 2);
+    table.add(0x5d, 1, 4, 8);
+    table.addMany(PRINTABLES, 8, 5, 8);
+    table.add(0x7f, 8, 5, 8);
+    table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], 8, 6, 0);
+    table.addMany(r(0x1c, 0x20), 8, 0, 8);
+    table.addMany([0x58, 0x5e, 0x5f], 1, 0, 7);
+    table.addMany(PRINTABLES, 7, 0, 7);
+    table.addMany(EXECUTABLES, 7, 0, 7);
+    table.add(0x9c, 7, 0, 0);
+    table.add(0x5b, 1, 11, 3);
+    table.addMany(r(0x40, 0x7f), 3, 7, 0);
+    table.addMany(r(0x30, 0x3a), 3, 8, 4);
+    table.add(0x3b, 3, 8, 4);
+    table.addMany([0x3c, 0x3d, 0x3e, 0x3f], 3, 9, 4);
+    table.addMany(r(0x30, 0x3a), 4, 8, 4);
+    table.add(0x3b, 4, 8, 4);
+    table.addMany(r(0x40, 0x7f), 4, 7, 0);
+    table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], 4, 0, 6);
+    table.addMany(r(0x20, 0x40), 6, 0, 6);
+    table.add(0x7f, 6, 0, 6);
+    table.addMany(r(0x40, 0x7f), 6, 0, 0);
+    table.add(0x3a, 3, 0, 6);
+    table.addMany(r(0x20, 0x30), 3, 9, 5);
+    table.addMany(r(0x20, 0x30), 5, 9, 5);
+    table.addMany(r(0x30, 0x40), 5, 0, 6);
+    table.addMany(r(0x40, 0x7f), 5, 7, 0);
+    table.addMany(r(0x20, 0x30), 4, 9, 5);
+    table.addMany(r(0x20, 0x30), 1, 9, 2);
+    table.addMany(r(0x20, 0x30), 2, 9, 2);
+    table.addMany(r(0x30, 0x7f), 2, 10, 0);
+    table.addMany(r(0x30, 0x50), 1, 10, 0);
+    table.addMany(r(0x51, 0x58), 1, 10, 0);
+    table.addMany([0x59, 0x5a, 0x5c], 1, 10, 0);
+    table.addMany(r(0x60, 0x7f), 1, 10, 0);
+    table.add(0x50, 1, 11, 9);
+    table.addMany(EXECUTABLES, 9, 0, 9);
+    table.add(0x7f, 9, 0, 9);
+    table.addMany(r(0x1c, 0x20), 9, 0, 9);
+    table.addMany(r(0x20, 0x30), 9, 9, 12);
+    table.add(0x3a, 9, 0, 11);
+    table.addMany(r(0x30, 0x3a), 9, 8, 10);
+    table.add(0x3b, 9, 8, 10);
+    table.addMany([0x3c, 0x3d, 0x3e, 0x3f], 9, 9, 10);
+    table.addMany(EXECUTABLES, 11, 0, 11);
+    table.addMany(r(0x20, 0x80), 11, 0, 11);
+    table.addMany(r(0x1c, 0x20), 11, 0, 11);
+    table.addMany(EXECUTABLES, 10, 0, 10);
+    table.add(0x7f, 10, 0, 10);
+    table.addMany(r(0x1c, 0x20), 10, 0, 10);
+    table.addMany(r(0x30, 0x3a), 10, 8, 10);
+    table.add(0x3b, 10, 8, 10);
+    table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], 10, 0, 11);
+    table.addMany(r(0x20, 0x30), 10, 9, 12);
+    table.addMany(EXECUTABLES, 12, 0, 12);
+    table.add(0x7f, 12, 0, 12);
+    table.addMany(r(0x1c, 0x20), 12, 0, 12);
+    table.addMany(r(0x20, 0x30), 12, 9, 12);
+    table.addMany(r(0x30, 0x40), 12, 0, 11);
+    table.addMany(r(0x40, 0x7f), 12, 12, 13);
+    table.addMany(r(0x40, 0x7f), 10, 12, 13);
+    table.addMany(r(0x40, 0x7f), 9, 12, 13);
+    table.addMany(EXECUTABLES, 13, 13, 13);
+    table.addMany(PRINTABLES, 13, 13, 13);
+    table.add(0x7f, 13, 0, 13);
+    table.addMany([0x1b, 0x9c], 13, 14, 0);
+    return table;
+})();
+var DcsDummy = (function () {
+    function DcsDummy() {
+    }
+    DcsDummy.prototype.hook = function (collect, params, flag) { };
+    DcsDummy.prototype.put = function (data, start, end) { };
+    DcsDummy.prototype.unhook = function () { };
+    return DcsDummy;
+}());
+var EscapeSequenceParser = (function (_super) {
+    __extends(EscapeSequenceParser, _super);
+    function EscapeSequenceParser(TRANSITIONS) {
+        if (TRANSITIONS === void 0) { TRANSITIONS = exports.VT500_TRANSITION_TABLE; }
+        var _this = _super.call(this) || this;
+        _this.TRANSITIONS = TRANSITIONS;
+        _this.initialState = 0;
+        _this.currentState = _this.initialState;
+        _this._osc = '';
+        _this._params = [0];
+        _this._collect = '';
+        _this._printHandlerFb = function (data, start, end) { };
+        _this._executeHandlerFb = function (code) { };
+        _this._csiHandlerFb = function (collect, params, flag) { };
+        _this._escHandlerFb = function (collect, flag) { };
+        _this._oscHandlerFb = function (identifier, data) { };
+        _this._dcsHandlerFb = new DcsDummy();
+        _this._errorHandlerFb = function (state) { return state; };
+        _this._printHandler = _this._printHandlerFb;
+        _this._executeHandlers = Object.create(null);
+        _this._csiHandlers = Object.create(null);
+        _this._escHandlers = Object.create(null);
+        _this._oscHandlers = Object.create(null);
+        _this._dcsHandlers = Object.create(null);
+        _this._activeDcsHandler = null;
+        _this._errorHandler = _this._errorHandlerFb;
+        return _this;
+    }
+    EscapeSequenceParser.prototype.dispose = function () {
+        this._printHandlerFb = null;
+        this._executeHandlerFb = null;
+        this._csiHandlerFb = null;
+        this._escHandlerFb = null;
+        this._oscHandlerFb = null;
+        this._dcsHandlerFb = null;
+        this._errorHandlerFb = null;
+        this._printHandler = null;
+        this._executeHandlers = null;
+        this._csiHandlers = null;
+        this._escHandlers = null;
+        this._oscHandlers = null;
+        this._dcsHandlers = null;
+        this._activeDcsHandler = null;
+        this._errorHandler = null;
+    };
+    EscapeSequenceParser.prototype.setPrintHandler = function (callback) {
+        this._printHandler = callback;
+    };
+    EscapeSequenceParser.prototype.clearPrintHandler = function () {
+        this._printHandler = this._printHandlerFb;
+    };
+    EscapeSequenceParser.prototype.setExecuteHandler = function (flag, callback) {
+        this._executeHandlers[flag.charCodeAt(0)] = callback;
+    };
+    EscapeSequenceParser.prototype.clearExecuteHandler = function (flag) {
+        if (this._executeHandlers[flag.charCodeAt(0)])
+            delete this._executeHandlers[flag.charCodeAt(0)];
+    };
+    EscapeSequenceParser.prototype.setExecuteHandlerFallback = function (callback) {
+        this._executeHandlerFb = callback;
+    };
+    EscapeSequenceParser.prototype.setCsiHandler = function (flag, callback) {
+        this._csiHandlers[flag.charCodeAt(0)] = callback;
+    };
+    EscapeSequenceParser.prototype.clearCsiHandler = function (flag) {
+        if (this._csiHandlers[flag.charCodeAt(0)])
+            delete this._csiHandlers[flag.charCodeAt(0)];
+    };
+    EscapeSequenceParser.prototype.setCsiHandlerFallback = function (callback) {
+        this._csiHandlerFb = callback;
+    };
+    EscapeSequenceParser.prototype.setEscHandler = function (collectAndFlag, callback) {
+        this._escHandlers[collectAndFlag] = callback;
+    };
+    EscapeSequenceParser.prototype.clearEscHandler = function (collectAndFlag) {
+        if (this._escHandlers[collectAndFlag])
+            delete this._escHandlers[collectAndFlag];
+    };
+    EscapeSequenceParser.prototype.setEscHandlerFallback = function (callback) {
+        this._escHandlerFb = callback;
+    };
+    EscapeSequenceParser.prototype.setOscHandler = function (ident, callback) {
+        this._oscHandlers[ident] = callback;
+    };
+    EscapeSequenceParser.prototype.clearOscHandler = function (ident) {
+        if (this._oscHandlers[ident])
+            delete this._oscHandlers[ident];
+    };
+    EscapeSequenceParser.prototype.setOscHandlerFallback = function (callback) {
+        this._oscHandlerFb = callback;
+    };
+    EscapeSequenceParser.prototype.setDcsHandler = function (collectAndFlag, handler) {
+        this._dcsHandlers[collectAndFlag] = handler;
+    };
+    EscapeSequenceParser.prototype.clearDcsHandler = function (collectAndFlag) {
+        if (this._dcsHandlers[collectAndFlag])
+            delete this._dcsHandlers[collectAndFlag];
+    };
+    EscapeSequenceParser.prototype.setDcsHandlerFallback = function (handler) {
+        this._dcsHandlerFb = handler;
+    };
+    EscapeSequenceParser.prototype.setErrorHandler = function (callback) {
+        this._errorHandler = callback;
+    };
+    EscapeSequenceParser.prototype.clearErrorHandler = function () {
+        this._errorHandler = this._errorHandlerFb;
+    };
+    EscapeSequenceParser.prototype.reset = function () {
+        this.currentState = this.initialState;
+        this._osc = '';
+        this._params = [0];
+        this._collect = '';
+        this._activeDcsHandler = null;
+    };
+    EscapeSequenceParser.prototype.parse = function (data) {
+        var code = 0;
+        var transition = 0;
+        var error = false;
+        var currentState = this.currentState;
+        var print = -1;
+        var dcs = -1;
+        var osc = this._osc;
+        var collect = this._collect;
+        var params = this._params;
+        var table = this.TRANSITIONS.table;
+        var dcsHandler = this._activeDcsHandler;
+        var callback = null;
+        var l = data.length;
+        for (var i = 0; i < l; ++i) {
+            code = data.charCodeAt(i);
+            if (currentState === 0 && code > 0x1f && code < 0x80) {
+                print = (~print) ? print : i;
+                do
+                    i++;
+                while (i < l && data.charCodeAt(i) > 0x1f && data.charCodeAt(i) < 0x80);
+                i--;
+                continue;
+            }
+            if (currentState === 4 && (code > 0x2f && code < 0x39)) {
+                params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
+                continue;
+            }
+            transition = (code < 0xa0) ? (table[currentState << 8 | code]) : DEFAULT_TRANSITION;
+            switch (transition >> 4) {
+                case 2:
+                    print = (~print) ? print : i;
+                    break;
+                case 3:
+                    if (~print) {
+                        this._printHandler(data, print, i);
+                        print = -1;
+                    }
+                    callback = this._executeHandlers[code];
+                    if (callback)
+                        callback();
+                    else
+                        this._executeHandlerFb(code);
+                    break;
+                case 0:
+                    if (~print) {
+                        this._printHandler(data, print, i);
+                        print = -1;
+                    }
+                    else if (~dcs) {
+                        dcsHandler.put(data, dcs, i);
+                        dcs = -1;
+                    }
+                    break;
+                case 1:
+                    if (code > 0x9f) {
+                        switch (currentState) {
+                            case 0:
+                                print = (~print) ? print : i;
+                                break;
+                            case 8:
+                                osc += String.fromCharCode(code);
+                                transition |= 8;
+                                break;
+                            case 6:
+                                transition |= 6;
+                                break;
+                            case 11:
+                                transition |= 11;
+                                break;
+                            case 13:
+                                dcs = (~dcs) ? dcs : i;
+                                transition |= 13;
+                                break;
+                            default:
+                                error = true;
+                        }
+                    }
+                    else {
+                        error = true;
+                    }
+                    if (error) {
+                        var inject = this._errorHandler({
+                            position: i,
+                            code: code,
+                            currentState: currentState,
+                            print: print,
+                            dcs: dcs,
+                            osc: osc,
+                            collect: collect,
+                            params: params,
+                            abort: false
+                        });
+                        if (inject.abort)
+                            return;
+                        error = false;
+                    }
+                    break;
+                case 7:
+                    callback = this._csiHandlers[code];
+                    if (callback)
+                        callback(params, collect);
+                    else
+                        this._csiHandlerFb(collect, params, code);
+                    break;
+                case 8:
+                    if (code === 0x3b)
+                        params.push(0);
+                    else
+                        params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
+                    break;
+                case 9:
+                    collect += String.fromCharCode(code);
+                    break;
+                case 10:
+                    callback = this._escHandlers[collect + String.fromCharCode(code)];
+                    if (callback)
+                        callback(collect, code);
+                    else
+                        this._escHandlerFb(collect, code);
+                    break;
+                case 11:
+                    if (~print) {
+                        this._printHandler(data, print, i);
+                        print = -1;
+                    }
+                    osc = '';
+                    params = [0];
+                    collect = '';
+                    dcs = -1;
+                    break;
+                case 12:
+                    dcsHandler = this._dcsHandlers[collect + String.fromCharCode(code)];
+                    if (!dcsHandler)
+                        dcsHandler = this._dcsHandlerFb;
+                    dcsHandler.hook(collect, params, code);
+                    break;
+                case 13:
+                    dcs = (~dcs) ? dcs : i;
+                    break;
+                case 14:
+                    if (dcsHandler) {
+                        if (~dcs)
+                            dcsHandler.put(data, dcs, i);
+                        dcsHandler.unhook();
+                        dcsHandler = null;
+                    }
+                    if (code === 0x1b)
+                        transition |= 1;
+                    osc = '';
+                    params = [0];
+                    collect = '';
+                    dcs = -1;
+                    break;
+                case 4:
+                    if (~print) {
+                        this._printHandler(data, print, i);
+                        print = -1;
+                    }
+                    osc = '';
+                    break;
+                case 5:
+                    osc += data.charAt(i);
+                    break;
+                case 6:
+                    if (osc && code !== 0x18 && code !== 0x1a) {
+                        var idx = osc.indexOf(';');
+                        if (idx === -1) {
+                            this._oscHandlerFb(-1, osc);
+                        }
+                        else {
+                            var identifier = parseInt(osc.substring(0, idx));
+                            var content = osc.substring(idx + 1);
+                            callback = this._oscHandlers[identifier];
+                            if (callback)
+                                callback(content);
+                            else
+                                this._oscHandlerFb(identifier, content);
+                        }
+                    }
+                    if (code === 0x1b)
+                        transition |= 1;
+                    osc = '';
+                    params = [0];
+                    collect = '';
+                    dcs = -1;
+                    break;
+            }
+            currentState = transition & 15;
+        }
+        if (currentState === 0 && ~print) {
+            this._printHandler(data, print, data.length);
+        }
+        else if (currentState === 13 && ~dcs && dcsHandler) {
+            dcsHandler.put(data, dcs, data.length);
+        }
+        this._osc = osc;
+        this._collect = collect;
+        this._params = params;
+        this._activeDcsHandler = dcsHandler;
+        this.currentState = currentState;
+    };
+    return EscapeSequenceParser;
+}(Lifecycle_1.Disposable));
+exports.EscapeSequenceParser = EscapeSequenceParser;
+
+},{"./common/Lifecycle":18}],8:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("./common/data/EscapeSequences");
+var Charsets_1 = require("./core/data/Charsets");
+var Buffer_1 = require("./Buffer");
+var CharWidth_1 = require("./CharWidth");
+var EscapeSequenceParser_1 = require("./EscapeSequenceParser");
+var Lifecycle_1 = require("./common/Lifecycle");
+var BufferLine_1 = require("./BufferLine");
+var GLEVEL = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };
+var RequestTerminfo = (function () {
+    function RequestTerminfo(_terminal) {
+        this._terminal = _terminal;
+    }
+    RequestTerminfo.prototype.hook = function (collect, params, flag) {
+        this._data = '';
+    };
+    RequestTerminfo.prototype.put = function (data, start, end) {
+        this._data += data.substring(start, end);
+    };
+    RequestTerminfo.prototype.unhook = function () {
+        this._terminal.handler(EscapeSequences_1.C0.ESC + "P0+r" + this._data + EscapeSequences_1.C0.ESC + "\\");
+    };
+    return RequestTerminfo;
+}());
+var DECRQSS = (function () {
+    function DECRQSS(_terminal) {
+        this._terminal = _terminal;
+    }
+    DECRQSS.prototype.hook = function (collect, params, flag) {
+        this._data = '';
+    };
+    DECRQSS.prototype.put = function (data, start, end) {
+        this._data += data.substring(start, end);
+    };
+    DECRQSS.prototype.unhook = function () {
+        switch (this._data) {
+            case '"q':
+                return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r0\"q" + EscapeSequences_1.C0.ESC + "\\");
+            case '"p':
+                return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r61\"p" + EscapeSequences_1.C0.ESC + "\\");
+            case 'r':
+                var pt = '' + (this._terminal.buffer.scrollTop + 1) +
+                    ';' + (this._terminal.buffer.scrollBottom + 1) + 'r';
+                return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r" + pt + EscapeSequences_1.C0.ESC + "\\");
+            case 'm':
+                return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r0m" + EscapeSequences_1.C0.ESC + "\\");
+            case ' q':
+                var STYLES = { 'block': 2, 'underline': 4, 'bar': 6 };
+                var style = STYLES[this._terminal.getOption('cursorStyle')];
+                style -= this._terminal.getOption('cursorBlink');
+                return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r" + style + " q" + EscapeSequences_1.C0.ESC + "\\");
+            default:
+                this._terminal.error('Unknown DCS $q %s', this._data);
+                this._terminal.handler(EscapeSequences_1.C0.ESC + "P0$r" + this._data + EscapeSequences_1.C0.ESC + "\\");
+        }
+    };
+    return DECRQSS;
+}());
+var InputHandler = (function (_super) {
+    __extends(InputHandler, _super);
+    function InputHandler(_terminal, _parser) {
+        if (_parser === void 0) { _parser = new EscapeSequenceParser_1.EscapeSequenceParser(); }
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._parser = _parser;
+        _this.register(_this._parser);
+        _this._surrogateHigh = '';
+        _this._parser.setCsiHandlerFallback(function (collect, params, flag) {
+            _this._terminal.error('Unknown CSI code: ', { collect: collect, params: params, flag: String.fromCharCode(flag) });
+        });
+        _this._parser.setEscHandlerFallback(function (collect, flag) {
+            _this._terminal.error('Unknown ESC code: ', { collect: collect, flag: String.fromCharCode(flag) });
+        });
+        _this._parser.setExecuteHandlerFallback(function (code) {
+            _this._terminal.error('Unknown EXECUTE code: ', { code: code });
+        });
+        _this._parser.setOscHandlerFallback(function (identifier, data) {
+            _this._terminal.error('Unknown OSC code: ', { identifier: identifier, data: data });
+        });
+        _this._parser.setPrintHandler(function (data, start, end) { return _this.print(data, start, end); });
+        _this._parser.setCsiHandler('@', function (params, collect) { return _this.insertChars(params); });
+        _this._parser.setCsiHandler('A', function (params, collect) { return _this.cursorUp(params); });
+        _this._parser.setCsiHandler('B', function (params, collect) { return _this.cursorDown(params); });
+        _this._parser.setCsiHandler('C', function (params, collect) { return _this.cursorForward(params); });
+        _this._parser.setCsiHandler('D', function (params, collect) { return _this.cursorBackward(params); });
+        _this._parser.setCsiHandler('E', function (params, collect) { return _this.cursorNextLine(params); });
+        _this._parser.setCsiHandler('F', function (params, collect) { return _this.cursorPrecedingLine(params); });
+        _this._parser.setCsiHandler('G', function (params, collect) { return _this.cursorCharAbsolute(params); });
+        _this._parser.setCsiHandler('H', function (params, collect) { return _this.cursorPosition(params); });
+        _this._parser.setCsiHandler('I', function (params, collect) { return _this.cursorForwardTab(params); });
+        _this._parser.setCsiHandler('J', function (params, collect) { return _this.eraseInDisplay(params); });
+        _this._parser.setCsiHandler('K', function (params, collect) { return _this.eraseInLine(params); });
+        _this._parser.setCsiHandler('L', function (params, collect) { return _this.insertLines(params); });
+        _this._parser.setCsiHandler('M', function (params, collect) { return _this.deleteLines(params); });
+        _this._parser.setCsiHandler('P', function (params, collect) { return _this.deleteChars(params); });
+        _this._parser.setCsiHandler('S', function (params, collect) { return _this.scrollUp(params); });
+        _this._parser.setCsiHandler('T', function (params, collect) { return _this.scrollDown(params, collect); });
+        _this._parser.setCsiHandler('X', function (params, collect) { return _this.eraseChars(params); });
+        _this._parser.setCsiHandler('Z', function (params, collect) { return _this.cursorBackwardTab(params); });
+        _this._parser.setCsiHandler('`', function (params, collect) { return _this.charPosAbsolute(params); });
+        _this._parser.setCsiHandler('a', function (params, collect) { return _this.hPositionRelative(params); });
+        _this._parser.setCsiHandler('b', function (params, collect) { return _this.repeatPrecedingCharacter(params); });
+        _this._parser.setCsiHandler('c', function (params, collect) { return _this.sendDeviceAttributes(params, collect); });
+        _this._parser.setCsiHandler('d', function (params, collect) { return _this.linePosAbsolute(params); });
+        _this._parser.setCsiHandler('e', function (params, collect) { return _this.vPositionRelative(params); });
+        _this._parser.setCsiHandler('f', function (params, collect) { return _this.hVPosition(params); });
+        _this._parser.setCsiHandler('g', function (params, collect) { return _this.tabClear(params); });
+        _this._parser.setCsiHandler('h', function (params, collect) { return _this.setMode(params, collect); });
+        _this._parser.setCsiHandler('l', function (params, collect) { return _this.resetMode(params, collect); });
+        _this._parser.setCsiHandler('m', function (params, collect) { return _this.charAttributes(params); });
+        _this._parser.setCsiHandler('n', function (params, collect) { return _this.deviceStatus(params, collect); });
+        _this._parser.setCsiHandler('p', function (params, collect) { return _this.softReset(params, collect); });
+        _this._parser.setCsiHandler('q', function (params, collect) { return _this.setCursorStyle(params, collect); });
+        _this._parser.setCsiHandler('r', function (params, collect) { return _this.setScrollRegion(params, collect); });
+        _this._parser.setCsiHandler('s', function (params, collect) { return _this.saveCursor(params); });
+        _this._parser.setCsiHandler('u', function (params, collect) { return _this.restoreCursor(params); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.BEL, function () { return _this.bell(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.LF, function () { return _this.lineFeed(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.VT, function () { return _this.lineFeed(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.FF, function () { return _this.lineFeed(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.CR, function () { return _this.carriageReturn(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.BS, function () { return _this.backspace(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.HT, function () { return _this.tab(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.SO, function () { return _this.shiftOut(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C0.SI, function () { return _this.shiftIn(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C1.IND, function () { return _this.index(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C1.NEL, function () { return _this.nextLine(); });
+        _this._parser.setExecuteHandler(EscapeSequences_1.C1.HTS, function () { return _this.tabSet(); });
+        _this._parser.setOscHandler(0, function (data) { return _this.setTitle(data); });
+        _this._parser.setOscHandler(2, function (data) { return _this.setTitle(data); });
+        _this._parser.setEscHandler('7', function () { return _this.saveCursor([]); });
+        _this._parser.setEscHandler('8', function () { return _this.restoreCursor([]); });
+        _this._parser.setEscHandler('D', function () { return _this.index(); });
+        _this._parser.setEscHandler('E', function () { return _this.nextLine(); });
+        _this._parser.setEscHandler('H', function () { return _this.tabSet(); });
+        _this._parser.setEscHandler('M', function () { return _this.reverseIndex(); });
+        _this._parser.setEscHandler('=', function () { return _this.keypadApplicationMode(); });
+        _this._parser.setEscHandler('>', function () { return _this.keypadNumericMode(); });
+        _this._parser.setEscHandler('c', function () { return _this.reset(); });
+        _this._parser.setEscHandler('n', function () { return _this.setgLevel(2); });
+        _this._parser.setEscHandler('o', function () { return _this.setgLevel(3); });
+        _this._parser.setEscHandler('|', function () { return _this.setgLevel(3); });
+        _this._parser.setEscHandler('}', function () { return _this.setgLevel(2); });
+        _this._parser.setEscHandler('~', function () { return _this.setgLevel(1); });
+        _this._parser.setEscHandler('%@', function () { return _this.selectDefaultCharset(); });
+        _this._parser.setEscHandler('%G', function () { return _this.selectDefaultCharset(); });
+        var _loop_1 = function (flag) {
+            this_1._parser.setEscHandler('(' + flag, function () { return _this.selectCharset('(' + flag); });
+            this_1._parser.setEscHandler(')' + flag, function () { return _this.selectCharset(')' + flag); });
+            this_1._parser.setEscHandler('*' + flag, function () { return _this.selectCharset('*' + flag); });
+            this_1._parser.setEscHandler('+' + flag, function () { return _this.selectCharset('+' + flag); });
+            this_1._parser.setEscHandler('-' + flag, function () { return _this.selectCharset('-' + flag); });
+            this_1._parser.setEscHandler('.' + flag, function () { return _this.selectCharset('.' + flag); });
+            this_1._parser.setEscHandler('/' + flag, function () { return _this.selectCharset('/' + flag); });
+        };
+        var this_1 = this;
+        for (var flag in Charsets_1.CHARSETS) {
+            _loop_1(flag);
+        }
+        _this._parser.setErrorHandler(function (state) {
+            _this._terminal.error('Parsing error: ', state);
+            return state;
+        });
+        _this._parser.setDcsHandler('$q', new DECRQSS(_this._terminal));
+        _this._parser.setDcsHandler('+q', new RequestTerminfo(_this._terminal));
+        return _this;
+    }
+    InputHandler.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._terminal = null;
+    };
+    InputHandler.prototype.parse = function (data) {
+        if (!this._terminal) {
+            return;
+        }
+        var buffer = this._terminal.buffer;
+        var cursorStartX = buffer.x;
+        var cursorStartY = buffer.y;
+        if (this._terminal.debug) {
+            this._terminal.log('data: ' + data);
+        }
+        if (this._surrogateHigh) {
+            data = this._surrogateHigh + data;
+            this._surrogateHigh = '';
+        }
+        this._parser.parse(data);
+        buffer = this._terminal.buffer;
+        if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) {
+            this._terminal.emit('cursormove');
+        }
+    };
+    InputHandler.prototype.print = function (data, start, end) {
+        var char;
+        var code;
+        var low;
+        var chWidth;
+        var buffer = this._terminal.buffer;
+        var charset = this._terminal.charset;
+        var screenReaderMode = this._terminal.options.screenReaderMode;
+        var cols = this._terminal.cols;
+        var wraparoundMode = this._terminal.wraparoundMode;
+        var insertMode = this._terminal.insertMode;
+        var curAttr = this._terminal.curAttr;
+        var bufferRow = buffer.lines.get(buffer.y + buffer.ybase);
+        this._terminal.updateRange(buffer.y);
+        for (var stringPosition = start; stringPosition < end; ++stringPosition) {
+            char = data.charAt(stringPosition);
+            code = data.charCodeAt(stringPosition);
+            if (0xD800 <= code && code <= 0xDBFF) {
+                low = data.charCodeAt(stringPosition + 1);
+                if (isNaN(low)) {
+                    this._surrogateHigh = char;
+                    continue;
+                }
+                code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+                char += data.charAt(stringPosition + 1);
+            }
+            if (0xDC00 <= code && code <= 0xDFFF) {
+                continue;
+            }
+            chWidth = CharWidth_1.wcwidth(code);
+            if (charset) {
+                char = charset[char] || char;
+                code = char.charCodeAt(0);
+            }
+            if (screenReaderMode) {
+                this._terminal.emit('a11y.char', char);
+            }
+            if (!chWidth && buffer.x) {
+                var chMinusOne = bufferRow.get(buffer.x - 1);
+                if (chMinusOne) {
+                    if (!chMinusOne[Buffer_1.CHAR_DATA_WIDTH_INDEX]) {
+                        var chMinusTwo = bufferRow.get(buffer.x - 2);
+                        if (chMinusTwo) {
+                            chMinusTwo[Buffer_1.CHAR_DATA_CHAR_INDEX] += char;
+                            chMinusTwo[Buffer_1.CHAR_DATA_CODE_INDEX] = code;
+                        }
+                    }
+                    else {
+                        chMinusOne[Buffer_1.CHAR_DATA_CHAR_INDEX] += char;
+                        chMinusOne[Buffer_1.CHAR_DATA_CODE_INDEX] = code;
+                    }
+                }
+                continue;
+            }
+            if (buffer.x + chWidth - 1 >= cols) {
+                if (wraparoundMode) {
+                    buffer.x = 0;
+                    buffer.y++;
+                    if (buffer.y > buffer.scrollBottom) {
+                        buffer.y--;
+                        this._terminal.scroll(true);
+                    }
+                    else {
+                        buffer.lines.get(buffer.y).isWrapped = true;
+                    }
+                    bufferRow = buffer.lines.get(buffer.y + buffer.ybase);
+                }
+                else {
+                    if (chWidth === 2) {
+                        continue;
+                    }
+                }
+            }
+            if (insertMode) {
+                for (var moves = 0; moves < chWidth; ++moves) {
+                    var removed = bufferRow.pop();
+                    var chMinusTwo = bufferRow.get(buffer.x - 2);
+                    if (removed[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0
+                        && chMinusTwo
+                        && chMinusTwo[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 2) {
+                        bufferRow.set(this._terminal.cols - 2, [curAttr, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+                    }
+                    bufferRow.splice(buffer.x, 0, [curAttr, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+                }
+            }
+            bufferRow.set(buffer.x++, [curAttr, char, chWidth, code]);
+            if (chWidth === 2) {
+                bufferRow.set(buffer.x++, [curAttr, '', 0, undefined]);
+            }
+        }
+        this._terminal.updateRange(buffer.y);
+    };
+    InputHandler.prototype.bell = function () {
+        this._terminal.bell();
+    };
+    InputHandler.prototype.lineFeed = function () {
+        var buffer = this._terminal.buffer;
+        if (this._terminal.options.convertEol) {
+            buffer.x = 0;
+        }
+        buffer.y++;
+        if (buffer.y > buffer.scrollBottom) {
+            buffer.y--;
+            this._terminal.scroll();
+        }
+        if (buffer.x >= this._terminal.cols) {
+            buffer.x--;
+        }
+        this._terminal.emit('linefeed');
+    };
+    InputHandler.prototype.carriageReturn = function () {
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.backspace = function () {
+        if (this._terminal.buffer.x > 0) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.tab = function () {
+        var originalX = this._terminal.buffer.x;
+        this._terminal.buffer.x = this._terminal.buffer.nextStop();
+        if (this._terminal.options.screenReaderMode) {
+            this._terminal.emit('a11y.tab', this._terminal.buffer.x - originalX);
+        }
+    };
+    InputHandler.prototype.shiftOut = function () {
+        this._terminal.setgLevel(1);
+    };
+    InputHandler.prototype.shiftIn = function () {
+        this._terminal.setgLevel(0);
+    };
+    InputHandler.prototype.insertChars = function (params) {
+        this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).insertCells(this._terminal.buffer.x, params[0] || 1, [this._terminal.eraseAttr(), Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+        this._terminal.updateRange(this._terminal.buffer.y);
+    };
+    InputHandler.prototype.cursorUp = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+    };
+    InputHandler.prototype.cursorDown = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.cursorForward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.cursorBackward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+        this._terminal.buffer.x -= param;
+        if (this._terminal.buffer.x < 0) {
+            this._terminal.buffer.x = 0;
+        }
+    };
+    InputHandler.prototype.cursorNextLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorPrecedingLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorCharAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+    };
+    InputHandler.prototype.cursorPosition = function (params) {
+        var col;
+        var row = params[0] - 1;
+        if (params.length >= 2) {
+            col = params[1] - 1;
+        }
+        else {
+            col = 0;
+        }
+        if (row < 0) {
+            row = 0;
+        }
+        else if (row >= this._terminal.rows) {
+            row = this._terminal.rows - 1;
+        }
+        if (col < 0) {
+            col = 0;
+        }
+        else if (col >= this._terminal.cols) {
+            col = this._terminal.cols - 1;
+        }
+        this._terminal.buffer.x = col;
+        this._terminal.buffer.y = row;
+    };
+    InputHandler.prototype.cursorForwardTab = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.x = this._terminal.buffer.nextStop();
+        }
+    };
+    InputHandler.prototype._eraseInBufferLine = function (y, start, end) {
+        this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y).replaceCells(start, end, [this._terminal.eraseAttr(), Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+    };
+    InputHandler.prototype.eraseInDisplay = function (params) {
+        var j;
+        switch (params[0]) {
+            case 0:
+                j = this._terminal.buffer.y;
+                this._terminal.updateRange(j);
+                this._eraseInBufferLine(j++, this._terminal.buffer.x, this._terminal.cols);
+                for (; j < this._terminal.rows; j++) {
+                    this._eraseInBufferLine(j, 0, this._terminal.cols);
+                }
+                this._terminal.updateRange(j);
+                break;
+            case 1:
+                j = this._terminal.buffer.y;
+                this._terminal.updateRange(j);
+                this._eraseInBufferLine(j, 0, this._terminal.buffer.x + 1);
+                while (j--) {
+                    this._eraseInBufferLine(j, 0, this._terminal.cols);
+                }
+                this._terminal.updateRange(0);
+                break;
+            case 2:
+                j = this._terminal.rows;
+                this._terminal.updateRange(j - 1);
+                while (j--) {
+                    this._eraseInBufferLine(j, 0, this._terminal.cols);
+                }
+                this._terminal.updateRange(0);
+                break;
+            case 3:
+                var scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
+                if (scrollBackSize > 0) {
+                    this._terminal.buffer.lines.trimStart(scrollBackSize);
+                    this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
+                    this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
+                    this._terminal.emit('scroll', 0);
+                }
+                break;
+        }
+    };
+    InputHandler.prototype.eraseInLine = function (params) {
+        switch (params[0]) {
+            case 0:
+                this._eraseInBufferLine(this._terminal.buffer.y, this._terminal.buffer.x, this._terminal.cols);
+                break;
+            case 1:
+                this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.buffer.x + 1);
+                break;
+            case 2:
+                this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.cols);
+                break;
+        }
+        this._terminal.updateRange(this._terminal.buffer.y);
+    };
+    InputHandler.prototype.insertLines = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        var buffer = this._terminal.buffer;
+        var row = buffer.y + buffer.ybase;
+        var scrollBottomRowsOffset = this._terminal.rows - 1 - buffer.scrollBottom;
+        var scrollBottomAbsolute = this._terminal.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1;
+        while (param--) {
+            buffer.lines.splice(scrollBottomAbsolute - 1, 1);
+            buffer.lines.splice(row, 0, BufferLine_1.BufferLine.blankLine(this._terminal.cols, this._terminal.eraseAttr()));
+        }
+        this._terminal.updateRange(buffer.y);
+        this._terminal.updateRange(buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteLines = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        var buffer = this._terminal.buffer;
+        var row = buffer.y + buffer.ybase;
+        var j;
+        j = this._terminal.rows - 1 - buffer.scrollBottom;
+        j = this._terminal.rows - 1 + buffer.ybase - j;
+        while (param--) {
+            buffer.lines.splice(row, 1);
+            buffer.lines.splice(j, 0, BufferLine_1.BufferLine.blankLine(this._terminal.cols, this._terminal.eraseAttr()));
+        }
+        this._terminal.updateRange(buffer.y);
+        this._terminal.updateRange(buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteChars = function (params) {
+        this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).deleteCells(this._terminal.buffer.x, params[0] || 1, [this._terminal.eraseAttr(), Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+        this._terminal.updateRange(this._terminal.buffer.y);
+    };
+    InputHandler.prototype.scrollUp = function (params) {
+        var param = params[0] || 1;
+        var buffer = this._terminal.buffer;
+        while (param--) {
+            buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1);
+            buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, BufferLine_1.BufferLine.blankLine(this._terminal.cols, Buffer_1.DEFAULT_ATTR));
+        }
+        this._terminal.updateRange(buffer.scrollTop);
+        this._terminal.updateRange(buffer.scrollBottom);
+    };
+    InputHandler.prototype.scrollDown = function (params, collect) {
+        if (params.length < 2 && !collect) {
+            var param = params[0] || 1;
+            var buffer = this._terminal.buffer;
+            while (param--) {
+                buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1);
+                buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, BufferLine_1.BufferLine.blankLine(this._terminal.cols, Buffer_1.DEFAULT_ATTR));
+            }
+            this._terminal.updateRange(buffer.scrollTop);
+            this._terminal.updateRange(buffer.scrollBottom);
+        }
+    };
+    InputHandler.prototype.eraseChars = function (params) {
+        this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).replaceCells(this._terminal.buffer.x, this._terminal.buffer.x + (params[0] || 1), [this._terminal.eraseAttr(), Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+    };
+    InputHandler.prototype.cursorBackwardTab = function (params) {
+        var param = params[0] || 1;
+        var buffer = this._terminal.buffer;
+        while (param--) {
+            buffer.x = buffer.prevStop();
+        }
+    };
+    InputHandler.prototype.charPosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.hPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.repeatPrecedingCharacter = function (params) {
+        var buffer = this._terminal.buffer;
+        var line = buffer.lines.get(buffer.ybase + buffer.y);
+        line.replaceCells(buffer.x, buffer.x + (params[0] || 1), line.get(buffer.x - 1) || [Buffer_1.DEFAULT_ATTR, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
+    };
+    InputHandler.prototype.sendDeviceAttributes = function (params, collect) {
+        if (params[0] > 0) {
+            return;
+        }
+        if (!collect) {
+            if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {
+                this._terminal.handler(EscapeSequences_1.C0.ESC + '[?1;2c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.handler(EscapeSequences_1.C0.ESC + '[?6c');
+            }
+        }
+        else if (collect === '>') {
+            if (this._terminal.is('xterm')) {
+                this._terminal.handler(EscapeSequences_1.C0.ESC + '[>0;276;0c');
+            }
+            else if (this._terminal.is('rxvt-unicode')) {
+                this._terminal.handler(EscapeSequences_1.C0.ESC + '[>85;95;0c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.handler(params[0] + 'c');
+            }
+            else if (this._terminal.is('screen')) {
+                this._terminal.handler(EscapeSequences_1.C0.ESC + '[>83;40003;0c');
+            }
+        }
+    };
+    InputHandler.prototype.linePosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y = param - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+    };
+    InputHandler.prototype.vPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.hVPosition = function (params) {
+        if (params[0] < 1)
+            params[0] = 1;
+        if (params[1] < 1)
+            params[1] = 1;
+        this._terminal.buffer.y = params[0] - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = params[1] - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.tabClear = function (params) {
+        var param = params[0];
+        if (param <= 0) {
+            delete this._terminal.buffer.tabs[this._terminal.buffer.x];
+        }
+        else if (param === 3) {
+            this._terminal.buffer.tabs = {};
+        }
+    };
+    InputHandler.prototype.setMode = function (params, collect) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.setMode([params[i]]);
+            }
+            return;
+        }
+        if (!collect) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = true;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (collect === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = true;
+                    break;
+                case 2:
+                    this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET);
+                    break;
+                case 3:
+                    this._terminal.savedCols = this._terminal.cols;
+                    this._terminal.resize(132, this._terminal.rows);
+                    break;
+                case 6:
+                    this._terminal.originMode = true;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = true;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Serial port requested application keypad.');
+                    this._terminal.applicationKeypad = true;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = params[0] === 9;
+                    this._terminal.vt200Mouse = params[0] === 1000;
+                    this._terminal.normalMouse = params[0] > 1000;
+                    this._terminal.mouseEvents = true;
+                    this._terminal.element.classList.add('enable-mouse-events');
+                    this._terminal.selectionManager.disable();
+                    this._terminal.log('Binding to mouse events.');
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = true;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = true;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = true;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = true;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = false;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateAltBuffer();
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+                case 2004:
+                    this._terminal.bracketedPasteMode = true;
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.resetMode = function (params, collect) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.resetMode([params[i]]);
+            }
+            return;
+        }
+        if (!collect) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = false;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (collect === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = false;
+                    break;
+                case 3:
+                    if (this._terminal.cols === 132 && this._terminal.savedCols) {
+                        this._terminal.resize(this._terminal.savedCols, this._terminal.rows);
+                    }
+                    delete this._terminal.savedCols;
+                    break;
+                case 6:
+                    this._terminal.originMode = false;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = false;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Switching back to normal keypad.');
+                    this._terminal.applicationKeypad = false;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = false;
+                    this._terminal.vt200Mouse = false;
+                    this._terminal.normalMouse = false;
+                    this._terminal.mouseEvents = false;
+                    this._terminal.element.classList.remove('enable-mouse-events');
+                    this._terminal.selectionManager.enable();
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = false;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = false;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = false;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = false;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = true;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateNormalBuffer();
+                    this._terminal.refresh(0, this._terminal.rows - 1);
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+                case 2004:
+                    this._terminal.bracketedPasteMode = false;
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.charAttributes = function (params) {
+        if (params.length === 1 && params[0] === 0) {
+            this._terminal.curAttr = Buffer_1.DEFAULT_ATTR;
+            return;
+        }
+        var l = params.length;
+        var flags = this._terminal.curAttr >> 18;
+        var fg = (this._terminal.curAttr >> 9) & 0x1ff;
+        var bg = this._terminal.curAttr & 0x1ff;
+        var p;
+        for (var i = 0; i < l; i++) {
+            p = params[i];
+            if (p >= 30 && p <= 37) {
+                fg = p - 30;
+            }
+            else if (p >= 40 && p <= 47) {
+                bg = p - 40;
+            }
+            else if (p >= 90 && p <= 97) {
+                p += 8;
+                fg = p - 90;
+            }
+            else if (p >= 100 && p <= 107) {
+                p += 8;
+                bg = p - 100;
+            }
+            else if (p === 0) {
+                flags = Buffer_1.DEFAULT_ATTR >> 18;
+                fg = (Buffer_1.DEFAULT_ATTR >> 9) & 0x1ff;
+                bg = Buffer_1.DEFAULT_ATTR & 0x1ff;
+            }
+            else if (p === 1) {
+                flags |= 1;
+            }
+            else if (p === 3) {
+                flags |= 64;
+            }
+            else if (p === 4) {
+                flags |= 2;
+            }
+            else if (p === 5) {
+                flags |= 4;
+            }
+            else if (p === 7) {
+                flags |= 8;
+            }
+            else if (p === 8) {
+                flags |= 16;
+            }
+            else if (p === 2) {
+                flags |= 32;
+            }
+            else if (p === 22) {
+                flags &= ~1;
+                flags &= ~32;
+            }
+            else if (p === 23) {
+                flags &= ~64;
+            }
+            else if (p === 24) {
+                flags &= ~2;
+            }
+            else if (p === 25) {
+                flags &= ~4;
+            }
+            else if (p === 27) {
+                flags &= ~8;
+            }
+            else if (p === 28) {
+                flags &= ~16;
+            }
+            else if (p === 39) {
+                fg = (Buffer_1.DEFAULT_ATTR >> 9) & 0x1ff;
+            }
+            else if (p === 49) {
+                bg = Buffer_1.DEFAULT_ATTR & 0x1ff;
+            }
+            else if (p === 38) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    fg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (fg === -1)
+                        fg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    fg = p;
+                }
+            }
+            else if (p === 48) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    bg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (bg === -1)
+                        bg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    bg = p;
+                }
+            }
+            else if (p === 100) {
+                fg = (Buffer_1.DEFAULT_ATTR >> 9) & 0x1ff;
+                bg = Buffer_1.DEFAULT_ATTR & 0x1ff;
+            }
+            else {
+                this._terminal.error('Unknown SGR attribute: %d.', p);
+            }
+        }
+        this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;
+    };
+    InputHandler.prototype.deviceStatus = function (params, collect) {
+        if (!collect) {
+            switch (params[0]) {
+                case 5:
+                    this._terminal.emit('data', EscapeSequences_1.C0.ESC + "[0n");
+                    break;
+                case 6:
+                    var y = this._terminal.buffer.y + 1;
+                    var x = this._terminal.buffer.x + 1;
+                    this._terminal.emit('data', EscapeSequences_1.C0.ESC + "[" + y + ";" + x + "R");
+                    break;
+            }
+        }
+        else if (collect === '?') {
+            switch (params[0]) {
+                case 6:
+                    var y = this._terminal.buffer.y + 1;
+                    var x = this._terminal.buffer.x + 1;
+                    this._terminal.emit('data', EscapeSequences_1.C0.ESC + "[?" + y + ";" + x + "R");
+                    break;
+                case 15:
+                    break;
+                case 25:
+                    break;
+                case 26:
+                    break;
+                case 53:
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.softReset = function (params, collect) {
+        if (collect === '!') {
+            this._terminal.cursorHidden = false;
+            this._terminal.insertMode = false;
+            this._terminal.originMode = false;
+            this._terminal.wraparoundMode = true;
+            this._terminal.applicationKeypad = false;
+            this._terminal.viewport.syncScrollArea();
+            this._terminal.applicationCursor = false;
+            this._terminal.buffer.scrollTop = 0;
+            this._terminal.buffer.scrollBottom = this._terminal.rows - 1;
+            this._terminal.curAttr = Buffer_1.DEFAULT_ATTR;
+            this._terminal.buffer.x = this._terminal.buffer.y = 0;
+            this._terminal.charset = null;
+            this._terminal.glevel = 0;
+            this._terminal.charsets = [null];
+        }
+    };
+    InputHandler.prototype.setCursorStyle = function (params, collect) {
+        if (collect === ' ') {
+            var param = params[0] < 1 ? 1 : params[0];
+            switch (param) {
+                case 1:
+                case 2:
+                    this._terminal.setOption('cursorStyle', 'block');
+                    break;
+                case 3:
+                case 4:
+                    this._terminal.setOption('cursorStyle', 'underline');
+                    break;
+                case 5:
+                case 6:
+                    this._terminal.setOption('cursorStyle', 'bar');
+                    break;
+            }
+            var isBlinking = param % 2 === 1;
+            this._terminal.setOption('cursorBlink', isBlinking);
+        }
+    };
+    InputHandler.prototype.setScrollRegion = function (params, collect) {
+        if (collect)
+            return;
+        this._terminal.buffer.scrollTop = (params[0] || 1) - 1;
+        this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
+        this._terminal.buffer.x = 0;
+        this._terminal.buffer.y = 0;
+    };
+    InputHandler.prototype.saveCursor = function (params) {
+        this._terminal.buffer.savedX = this._terminal.buffer.x;
+        this._terminal.buffer.savedY = this._terminal.buffer.y;
+        this._terminal.savedCurAttr = this._terminal.curAttr;
+    };
+    InputHandler.prototype.restoreCursor = function (params) {
+        this._terminal.buffer.x = this._terminal.buffer.savedX || 0;
+        this._terminal.buffer.y = this._terminal.buffer.savedY || 0;
+        this._terminal.curAttr = this._terminal.savedCurAttr || Buffer_1.DEFAULT_ATTR;
+    };
+    InputHandler.prototype.setTitle = function (data) {
+        this._terminal.handleTitle(data);
+    };
+    InputHandler.prototype.nextLine = function () {
+        this._terminal.buffer.x = 0;
+        this.index();
+    };
+    InputHandler.prototype.keypadApplicationMode = function () {
+        this._terminal.log('Serial port requested application keypad.');
+        this._terminal.applicationKeypad = true;
+        if (this._terminal.viewport) {
+            this._terminal.viewport.syncScrollArea();
+        }
+    };
+    InputHandler.prototype.keypadNumericMode = function () {
+        this._terminal.log('Switching back to normal keypad.');
+        this._terminal.applicationKeypad = false;
+        if (this._terminal.viewport) {
+            this._terminal.viewport.syncScrollArea();
+        }
+    };
+    InputHandler.prototype.selectDefaultCharset = function () {
+        this._terminal.setgLevel(0);
+        this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+    };
+    InputHandler.prototype.selectCharset = function (collectAndFlag) {
+        if (collectAndFlag.length !== 2)
+            return this.selectDefaultCharset();
+        if (collectAndFlag[0] === '/')
+            return;
+        this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], Charsets_1.CHARSETS[collectAndFlag[1]] || Charsets_1.DEFAULT_CHARSET);
+    };
+    InputHandler.prototype.index = function () {
+        this._terminal.index();
+    };
+    InputHandler.prototype.tabSet = function () {
+        this._terminal.tabSet();
+    };
+    InputHandler.prototype.reverseIndex = function () {
+        this._terminal.reverseIndex();
+    };
+    InputHandler.prototype.reset = function () {
+        this._parser.reset();
+        this._terminal.reset();
+    };
+    InputHandler.prototype.setgLevel = function (level) {
+        this._terminal.setgLevel(level);
+    };
+    return InputHandler;
+}(Lifecycle_1.Disposable));
+exports.InputHandler = InputHandler;
+
+},{"./Buffer":2,"./BufferLine":3,"./CharWidth":5,"./EscapeSequenceParser":7,"./common/Lifecycle":18,"./common/data/EscapeSequences":19,"./core/data/Charsets":20}],9:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var MouseZoneManager_1 = require("./ui/MouseZoneManager");
+var EventEmitter_1 = require("./common/EventEmitter");
+var Buffer_1 = require("./Buffer");
+var CharWidth_1 = require("./CharWidth");
+var Linkifier = (function (_super) {
+    __extends(Linkifier, _super);
+    function Linkifier(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._linkMatchers = [];
+        _this._nextLinkMatcherId = 0;
+        _this._rowsToLinkify = {
+            start: null,
+            end: null
+        };
+        return _this;
+    }
+    Linkifier.prototype.attachToDom = function (mouseZoneManager) {
+        this._mouseZoneManager = mouseZoneManager;
+    };
+    Linkifier.prototype.linkifyRows = function (start, end) {
+        var _this = this;
+        if (!this._mouseZoneManager) {
+            return;
+        }
+        if (this._rowsToLinkify.start === null) {
+            this._rowsToLinkify.start = start;
+            this._rowsToLinkify.end = end;
+        }
+        else {
+            this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start);
+            this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end);
+        }
+        this._mouseZoneManager.clearAll(start, end);
+        if (this._rowsTimeoutId) {
+            clearTimeout(this._rowsTimeoutId);
+        }
+        this._rowsTimeoutId = setTimeout(function () { return _this._linkifyRows(); }, Linkifier.TIME_BEFORE_LINKIFY);
+    };
+    Linkifier.prototype._linkifyRows = function () {
+        this._rowsTimeoutId = null;
+        var buffer = this._terminal.buffer;
+        var absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;
+        if (absoluteRowIndexStart >= buffer.lines.length) {
+            return;
+        }
+        var absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._terminal.rows) + 1;
+        var overscanLineLimit = Math.ceil(Linkifier.OVERSCAN_CHAR_LIMIT / this._terminal.cols);
+        var iterator = this._terminal.buffer.iterator(false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);
+        while (iterator.hasNext()) {
+            var lineData = iterator.next();
+            for (var i = 0; i < this._linkMatchers.length; i++) {
+                this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);
+            }
+        }
+        this._rowsToLinkify.start = null;
+        this._rowsToLinkify.end = null;
+    };
+    Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) {
+        if (options === void 0) { options = {}; }
+        if (!handler) {
+            throw new Error('handler must be defined');
+        }
+        var matcher = {
+            id: this._nextLinkMatcherId++,
+            regex: regex,
+            handler: handler,
+            matchIndex: options.matchIndex,
+            validationCallback: options.validationCallback,
+            hoverTooltipCallback: options.tooltipCallback,
+            hoverLeaveCallback: options.leaveCallback,
+            willLinkActivate: options.willLinkActivate,
+            priority: options.priority || 0
+        };
+        this._addLinkMatcherToList(matcher);
+        return matcher.id;
+    };
+    Linkifier.prototype._addLinkMatcherToList = function (matcher) {
+        if (this._linkMatchers.length === 0) {
+            this._linkMatchers.push(matcher);
+            return;
+        }
+        for (var i = this._linkMatchers.length - 1; i >= 0; i--) {
+            if (matcher.priority <= this._linkMatchers[i].priority) {
+                this._linkMatchers.splice(i + 1, 0, matcher);
+                return;
+            }
+        }
+        this._linkMatchers.splice(0, 0, matcher);
+    };
+    Linkifier.prototype.deregisterLinkMatcher = function (matcherId) {
+        for (var i = 0; i < this._linkMatchers.length; i++) {
+            if (this._linkMatchers[i].id === matcherId) {
+                this._linkMatchers.splice(i, 1);
+                return true;
+            }
+        }
+        return false;
+    };
+    Linkifier.prototype._doLinkifyRow = function (rowIndex, text, matcher) {
+        var _this = this;
+        var rex = new RegExp(matcher.regex.source, matcher.regex.flags + 'g');
+        var match;
+        var stringIndex = -1;
+        var _loop_1 = function () {
+            var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+            if (!uri) {
+                if (this_1._terminal.debug) {
+                    console.log({ match: match, matcher: matcher });
+                    throw new Error('match found without corresponding matchIndex');
+                }
+                return "break";
+            }
+            stringIndex = text.indexOf(uri, stringIndex + 1);
+            rex.lastIndex = stringIndex + uri.length;
+            var bufferIndex = this_1._terminal.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);
+            var line = this_1._terminal.buffer.lines.get(bufferIndex[0]);
+            var char = line.get(bufferIndex[1]);
+            var fg;
+            if (char) {
+                var attr = char[Buffer_1.CHAR_DATA_ATTR_INDEX];
+                fg = (attr >> 9) & 0x1ff;
+            }
+            if (matcher.validationCallback) {
+                matcher.validationCallback(uri, function (isValid) {
+                    if (_this._rowsTimeoutId) {
+                        return;
+                    }
+                    if (isValid) {
+                        _this._addLink(bufferIndex[1], bufferIndex[0] - _this._terminal.buffer.ydisp, uri, matcher, fg);
+                    }
+                });
+            }
+            else {
+                this_1._addLink(bufferIndex[1], bufferIndex[0] - this_1._terminal.buffer.ydisp, uri, matcher, fg);
+            }
+        };
+        var this_1 = this;
+        while ((match = rex.exec(text)) !== null) {
+            var state_1 = _loop_1();
+            if (state_1 === "break")
+                break;
+        }
+    };
+    Linkifier.prototype._addLink = function (x, y, uri, matcher, fg) {
+        var _this = this;
+        var width = CharWidth_1.getStringCellWidth(uri);
+        var x1 = x % this._terminal.cols;
+        var y1 = y + Math.floor(x / this._terminal.cols);
+        var x2 = (x1 + width) % this._terminal.cols;
+        var y2 = y1 + Math.floor((x1 + width) / this._terminal.cols);
+        if (x2 === 0) {
+            x2 = this._terminal.cols;
+            y2--;
+        }
+        this._mouseZoneManager.add(new MouseZoneManager_1.MouseZone(x1 + 1, y1 + 1, x2 + 1, y2 + 1, function (e) {
+            if (matcher.handler) {
+                return matcher.handler(e, uri);
+            }
+            window.open(uri, '_blank');
+        }, function (e) {
+            _this.emit("linkhover", _this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+            _this._terminal.element.classList.add('xterm-cursor-pointer');
+        }, function (e) {
+            _this.emit("linktooltip", _this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+            if (matcher.hoverTooltipCallback) {
+                matcher.hoverTooltipCallback(e, uri);
+            }
+        }, function () {
+            _this.emit("linkleave", _this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+            _this._terminal.element.classList.remove('xterm-cursor-pointer');
+            if (matcher.hoverLeaveCallback) {
+                matcher.hoverLeaveCallback();
+            }
+        }, function (e) {
+            if (matcher.willLinkActivate) {
+                return matcher.willLinkActivate(e, uri);
+            }
+            return true;
+        }));
+    };
+    Linkifier.prototype._createLinkHoverEvent = function (x1, y1, x2, y2, fg) {
+        return { x1: x1, y1: y1, x2: x2, y2: y2, cols: this._terminal.cols, fg: fg };
+    };
+    Linkifier.TIME_BEFORE_LINKIFY = 200;
+    Linkifier.OVERSCAN_CHAR_LIMIT = 2000;
+    return Linkifier;
+}(EventEmitter_1.EventEmitter));
+exports.Linkifier = Linkifier;
+
+},{"./Buffer":2,"./CharWidth":5,"./common/EventEmitter":17,"./ui/MouseZoneManager":49}],10:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var MouseHelper_1 = require("./utils/MouseHelper");
+var Browser = require("./shared/utils/Browser");
+var EventEmitter_1 = require("./common/EventEmitter");
+var SelectionModel_1 = require("./SelectionModel");
+var Buffer_1 = require("./Buffer");
+var AltClickHandler_1 = require("./handlers/AltClickHandler");
+var DRAG_SCROLL_MAX_THRESHOLD = 50;
+var DRAG_SCROLL_MAX_SPEED = 15;
+var DRAG_SCROLL_INTERVAL = 50;
+var ALT_CLICK_MOVE_CURSOR_TIME = 500;
+var WORD_SEPARATORS = ' ()[]{}\'"';
+var NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+var ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+var SelectionManager = (function (_super) {
+    __extends(SelectionManager, _super);
+    function SelectionManager(_terminal, _charMeasure) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._charMeasure = _charMeasure;
+        _this._enabled = true;
+        _this._initListeners();
+        _this.enable();
+        _this._model = new SelectionModel_1.SelectionModel(_terminal);
+        _this._activeSelectionMode = 0;
+        return _this;
+    }
+    SelectionManager.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._removeMouseDownListeners();
+    };
+    Object.defineProperty(SelectionManager.prototype, "_buffer", {
+        get: function () {
+            return this._terminal.buffers.active;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionManager.prototype._initListeners = function () {
+        var _this = this;
+        this._mouseMoveListener = function (event) { return _this._onMouseMove(event); };
+        this._mouseUpListener = function (event) { return _this._onMouseUp(event); };
+        this._trimListener = function (amount) { return _this._onTrim(amount); };
+        this.initBuffersListeners();
+    };
+    SelectionManager.prototype.initBuffersListeners = function () {
+        var _this = this;
+        this._terminal.buffer.lines.on('trim', this._trimListener);
+        this._terminal.buffers.on('activate', function (e) { return _this._onBufferActivate(e); });
+    };
+    SelectionManager.prototype.disable = function () {
+        this.clearSelection();
+        this._enabled = false;
+    };
+    SelectionManager.prototype.enable = function () {
+        this._enabled = true;
+    };
+    Object.defineProperty(SelectionManager.prototype, "selectionStart", {
+        get: function () { return this._model.finalSelectionStart; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionEnd", {
+        get: function () { return this._model.finalSelectionEnd; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "hasSelection", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return false;
+            }
+            return start[0] !== end[0] || start[1] !== end[1];
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionText", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return '';
+            }
+            var result = [];
+            if (this._activeSelectionMode === 3) {
+                if (start[0] === end[0]) {
+                    return '';
+                }
+                for (var i = start[1]; i <= end[1]; i++) {
+                    var lineText = this._buffer.translateBufferLineToString(i, true, start[0], end[0]);
+                    result.push(lineText);
+                }
+            }
+            else {
+                var startRowEndCol = start[1] === end[1] ? end[0] : null;
+                result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));
+                for (var i = start[1] + 1; i <= end[1] - 1; i++) {
+                    var bufferLine = this._buffer.lines.get(i);
+                    var lineText = this._buffer.translateBufferLineToString(i, true);
+                    if (bufferLine.isWrapped) {
+                        result[result.length - 1] += lineText;
+                    }
+                    else {
+                        result.push(lineText);
+                    }
+                }
+                if (start[1] !== end[1]) {
+                    var bufferLine = this._buffer.lines.get(end[1]);
+                    var lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);
+                    if (bufferLine.isWrapped) {
+                        result[result.length - 1] += lineText;
+                    }
+                    else {
+                        result.push(lineText);
+                    }
+                }
+            }
+            var formattedResult = result.map(function (line) {
+                return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+            }).join(Browser.isMSWindows ? '\r\n' : '\n');
+            return formattedResult;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionManager.prototype.clearSelection = function () {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this.refresh();
+    };
+    SelectionManager.prototype.refresh = function (isNewSelection) {
+        var _this = this;
+        if (!this._refreshAnimationFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); });
+        }
+        if (Browser.isLinux && isNewSelection) {
+            var selectionText = this.selectionText;
+            if (selectionText.length) {
+                this.emit('newselection', this.selectionText);
+            }
+        }
+    };
+    SelectionManager.prototype._refresh = function () {
+        this._refreshAnimationFrame = null;
+        this.emit('refresh', {
+            start: this._model.finalSelectionStart,
+            end: this._model.finalSelectionEnd,
+            columnSelectMode: this._activeSelectionMode === 3
+        });
+    };
+    SelectionManager.prototype.isClickInSelection = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        var start = this._model.finalSelectionStart;
+        var end = this._model.finalSelectionEnd;
+        if (!start || !end) {
+            return false;
+        }
+        return (coords[1] > start[1] && coords[1] < end[1]) ||
+            (start[1] === end[1] && coords[1] === start[1] && coords[0] > start[0] && coords[0] < end[0]) ||
+            (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]);
+    };
+    SelectionManager.prototype.selectWordAtCursor = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._selectWordAt(coords, false);
+            this._model.selectionEnd = null;
+            this.refresh(true);
+        }
+    };
+    SelectionManager.prototype.selectAll = function () {
+        this._model.isSelectAllActive = true;
+        this.refresh();
+        this._terminal.emit('selection');
+    };
+    SelectionManager.prototype.selectLines = function (start, end) {
+        this._model.clearSelection();
+        start = Math.max(start, 0);
+        end = Math.min(end, this._terminal.buffer.lines.length - 1);
+        this._model.selectionStart = [0, start];
+        this._model.selectionEnd = [this._terminal.cols, end];
+        this.refresh();
+        this._terminal.emit('selection');
+    };
+    SelectionManager.prototype._onTrim = function (amount) {
+        var needsRefresh = this._model.onTrim(amount);
+        if (needsRefresh) {
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._getMouseBufferCoords = function (event) {
+        var coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows, true);
+        if (!coords) {
+            return null;
+        }
+        coords[0]--;
+        coords[1]--;
+        coords[1] += this._terminal.buffer.ydisp;
+        return coords;
+    };
+    SelectionManager.prototype._getMouseEventScrollAmount = function (event) {
+        var offset = MouseHelper_1.MouseHelper.getCoordsRelativeToElement(event, this._terminal.screenElement)[1];
+        var terminalHeight = this._terminal.rows * Math.ceil(this._charMeasure.height * this._terminal.options.lineHeight);
+        if (offset >= 0 && offset <= terminalHeight) {
+            return 0;
+        }
+        if (offset > terminalHeight) {
+            offset -= terminalHeight;
+        }
+        offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
+        offset /= DRAG_SCROLL_MAX_THRESHOLD;
+        return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
+    };
+    SelectionManager.prototype.shouldForceSelection = function (event) {
+        if (Browser.isMac) {
+            return event.altKey && this._terminal.options.macOptionClickForcesSelection;
+        }
+        return event.shiftKey;
+    };
+    SelectionManager.prototype.onMouseDown = function (event) {
+        this._mouseDownTimeStamp = event.timeStamp;
+        if (event.button === 2 && this.hasSelection) {
+            return;
+        }
+        if (event.button !== 0) {
+            return;
+        }
+        if (!this._enabled) {
+            if (!this.shouldForceSelection(event)) {
+                return;
+            }
+            event.stopPropagation();
+        }
+        event.preventDefault();
+        this._dragScrollAmount = 0;
+        if (this._enabled && event.shiftKey) {
+            this._onIncrementalClick(event);
+        }
+        else {
+            if (event.detail === 1) {
+                this._onSingleClick(event);
+            }
+            else if (event.detail === 2) {
+                this._onDoubleClick(event);
+            }
+            else if (event.detail === 3) {
+                this._onTripleClick(event);
+            }
+        }
+        this._addMouseDownListeners();
+        this.refresh(true);
+    };
+    SelectionManager.prototype._addMouseDownListeners = function () {
+        var _this = this;
+        this._terminal.element.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
+        this._terminal.element.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
+        this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL);
+    };
+    SelectionManager.prototype._removeMouseDownListeners = function () {
+        if (this._terminal.element.ownerDocument) {
+            this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+            this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
+        }
+        clearInterval(this._dragScrollIntervalTimer);
+        this._dragScrollIntervalTimer = null;
+    };
+    SelectionManager.prototype._onIncrementalClick = function (event) {
+        if (this._model.selectionStart) {
+            this._model.selectionEnd = this._getMouseBufferCoords(event);
+        }
+    };
+    SelectionManager.prototype._onSingleClick = function (event) {
+        this._model.selectionStartLength = 0;
+        this._model.isSelectAllActive = false;
+        this._activeSelectionMode = this.shouldColumnSelect(event) ? 3 : 0;
+        this._model.selectionStart = this._getMouseBufferCoords(event);
+        if (!this._model.selectionStart) {
+            return;
+        }
+        this._model.selectionEnd = null;
+        var line = this._buffer.lines.get(this._model.selectionStart[1]);
+        if (!line) {
+            return;
+        }
+        if (line.length >= this._model.selectionStart[0]) {
+            return;
+        }
+        var char = line.get(this._model.selectionStart[0]);
+        if (char[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+            this._model.selectionStart[0]++;
+        }
+    };
+    SelectionManager.prototype._onDoubleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = 1;
+            this._selectWordAt(coords, true);
+        }
+    };
+    SelectionManager.prototype._onTripleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = 2;
+            this._selectLineAt(coords[1]);
+        }
+    };
+    SelectionManager.prototype.shouldColumnSelect = function (event) {
+        return event.altKey && !(Browser.isMac && this._terminal.options.macOptionClickForcesSelection);
+    };
+    SelectionManager.prototype._onMouseMove = function (event) {
+        event.stopImmediatePropagation();
+        var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
+        this._model.selectionEnd = this._getMouseBufferCoords(event);
+        if (!this._model.selectionEnd) {
+            this.refresh(true);
+            return;
+        }
+        if (this._activeSelectionMode === 2) {
+            if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
+                this._model.selectionEnd[0] = 0;
+            }
+            else {
+                this._model.selectionEnd[0] = this._terminal.cols;
+            }
+        }
+        else if (this._activeSelectionMode === 1) {
+            this._selectToWordAt(this._model.selectionEnd);
+        }
+        this._dragScrollAmount = this._getMouseEventScrollAmount(event);
+        if (this._activeSelectionMode !== 3) {
+            if (this._dragScrollAmount > 0) {
+                this._model.selectionEnd[0] = this._terminal.cols;
+            }
+            else if (this._dragScrollAmount < 0) {
+                this._model.selectionEnd[0] = 0;
+            }
+        }
+        if (this._model.selectionEnd[1] < this._buffer.lines.length) {
+            var char = this._buffer.lines.get(this._model.selectionEnd[1]).get(this._model.selectionEnd[0]);
+            if (char && char[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+                this._model.selectionEnd[0]++;
+            }
+        }
+        if (!previousSelectionEnd ||
+            previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
+            previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
+            this.refresh(true);
+        }
+    };
+    SelectionManager.prototype._dragScroll = function () {
+        if (this._dragScrollAmount) {
+            this._terminal.scrollLines(this._dragScrollAmount, false);
+            if (this._dragScrollAmount > 0) {
+                if (this._activeSelectionMode !== 3) {
+                    this._model.selectionEnd[0] = this._terminal.cols;
+                }
+                this._model.selectionEnd[1] = Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1);
+            }
+            else {
+                if (this._activeSelectionMode !== 3) {
+                    this._model.selectionEnd[0] = 0;
+                }
+                this._model.selectionEnd[1] = this._terminal.buffer.ydisp;
+            }
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._onMouseUp = function (event) {
+        var timeElapsed = event.timeStamp - this._mouseDownTimeStamp;
+        this._removeMouseDownListeners();
+        if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {
+            (new AltClickHandler_1.AltClickHandler(event, this._terminal)).move();
+        }
+        else if (this.hasSelection) {
+            this._terminal.emit('selection');
+        }
+    };
+    SelectionManager.prototype._onBufferActivate = function (e) {
+        this.clearSelection();
+        e.inactiveBuffer.lines.off('trim', this._trimListener);
+        e.activeBuffer.lines.on('trim', this._trimListener);
+    };
+    SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) {
+        var charIndex = coords[0];
+        for (var i = 0; coords[0] >= i; i++) {
+            var char = bufferLine.get(i);
+            if (char[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+                charIndex--;
+            }
+            else if (char[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 1 && coords[0] !== i) {
+                charIndex += char[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+            }
+        }
+        return charIndex;
+    };
+    SelectionManager.prototype.setSelection = function (col, row, length) {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this._model.selectionStart = [col, row];
+        this._model.selectionStartLength = length;
+        this.refresh();
+    };
+    SelectionManager.prototype._getWordAt = function (coords, allowWhitespaceOnlySelection, followWrappedLinesAbove, followWrappedLinesBelow) {
+        if (followWrappedLinesAbove === void 0) { followWrappedLinesAbove = true; }
+        if (followWrappedLinesBelow === void 0) { followWrappedLinesBelow = true; }
+        if (coords[0] >= this._terminal.cols) {
+            return null;
+        }
+        var bufferLine = this._buffer.lines.get(coords[1]);
+        if (!bufferLine) {
+            return null;
+        }
+        var line = this._buffer.translateBufferLineToString(coords[1], false);
+        var startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);
+        var endIndex = startIndex;
+        var charOffset = coords[0] - startIndex;
+        var leftWideCharCount = 0;
+        var rightWideCharCount = 0;
+        var leftLongCharOffset = 0;
+        var rightLongCharOffset = 0;
+        if (line.charAt(startIndex) === ' ') {
+            while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
+                startIndex--;
+            }
+            while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
+                endIndex++;
+            }
+        }
+        else {
+            var startCol = coords[0];
+            var endCol = coords[0];
+            if (bufferLine.get(startCol)[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+                leftWideCharCount++;
+                startCol--;
+            }
+            if (bufferLine.get(endCol)[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 2) {
+                rightWideCharCount++;
+                endCol++;
+            }
+            if (bufferLine.get(endCol)[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 1) {
+                rightLongCharOffset += bufferLine.get(endCol)[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+                endIndex += bufferLine.get(endCol)[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+            }
+            while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.get(startCol - 1))) {
+                var char = bufferLine.get(startCol - 1);
+                if (char[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+                    leftWideCharCount++;
+                    startCol--;
+                }
+                else if (char[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 1) {
+                    leftLongCharOffset += char[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+                    startIndex -= char[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+                }
+                startIndex--;
+                startCol--;
+            }
+            while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.get(endCol + 1))) {
+                var char = bufferLine.get(endCol + 1);
+                if (char[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 2) {
+                    rightWideCharCount++;
+                    endCol++;
+                }
+                else if (char[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 1) {
+                    rightLongCharOffset += char[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+                    endIndex += char[Buffer_1.CHAR_DATA_CHAR_INDEX].length - 1;
+                }
+                endIndex++;
+                endCol++;
+            }
+        }
+        endIndex++;
+        var start = startIndex
+            + charOffset
+            - leftWideCharCount
+            + leftLongCharOffset;
+        var length = Math.min(this._terminal.cols, endIndex
+            - startIndex
+            + leftWideCharCount
+            + rightWideCharCount
+            - leftLongCharOffset
+            - rightLongCharOffset);
+        if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {
+            return null;
+        }
+        if (followWrappedLinesAbove) {
+            if (start === 0 && bufferLine.get(0)[Buffer_1.CHAR_DATA_CODE_INDEX] !== 32) {
+                var previousBufferLine = this._buffer.lines.get(coords[1] - 1);
+                if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.get(this._terminal.cols - 1)[Buffer_1.CHAR_DATA_CODE_INDEX] !== 32) {
+                    var previousLineWordPosition = this._getWordAt([this._terminal.cols - 1, coords[1] - 1], false, true, false);
+                    if (previousLineWordPosition) {
+                        var offset = this._terminal.cols - previousLineWordPosition.start;
+                        start -= offset;
+                        length += offset;
+                    }
+                }
+            }
+        }
+        if (followWrappedLinesBelow) {
+            if (start + length === this._terminal.cols && bufferLine.get(this._terminal.cols - 1)[Buffer_1.CHAR_DATA_CODE_INDEX] !== 32) {
+                var nextBufferLine = this._buffer.lines.get(coords[1] + 1);
+                if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.get(0)[Buffer_1.CHAR_DATA_CODE_INDEX] !== 32) {
+                    var nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);
+                    if (nextLineWordPosition) {
+                        length += nextLineWordPosition.length;
+                    }
+                }
+            }
+        }
+        return { start: start, length: length };
+    };
+    SelectionManager.prototype._selectWordAt = function (coords, allowWhitespaceOnlySelection) {
+        var wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);
+        if (wordPosition) {
+            while (wordPosition.start < 0) {
+                wordPosition.start += this._terminal.cols;
+                coords[1]--;
+            }
+            this._model.selectionStart = [wordPosition.start, coords[1]];
+            this._model.selectionStartLength = wordPosition.length;
+        }
+    };
+    SelectionManager.prototype._selectToWordAt = function (coords) {
+        var wordPosition = this._getWordAt(coords, true);
+        if (wordPosition) {
+            var endRow = coords[1];
+            while (wordPosition.start < 0) {
+                wordPosition.start += this._terminal.cols;
+                endRow--;
+            }
+            if (!this._model.areSelectionValuesReversed()) {
+                while (wordPosition.start + wordPosition.length > this._terminal.cols) {
+                    wordPosition.length -= this._terminal.cols;
+                    endRow++;
+                }
+            }
+            this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];
+        }
+    };
+    SelectionManager.prototype._isCharWordSeparator = function (charData) {
+        if (charData[Buffer_1.CHAR_DATA_WIDTH_INDEX] === 0) {
+            return false;
+        }
+        return WORD_SEPARATORS.indexOf(charData[Buffer_1.CHAR_DATA_CHAR_INDEX]) >= 0;
+    };
+    SelectionManager.prototype._selectLineAt = function (line) {
+        var wrappedRange = this._buffer.getWrappedRangeForLine(line);
+        this._model.selectionStart = [0, wrappedRange.first];
+        this._model.selectionEnd = [this._terminal.cols, wrappedRange.last];
+        this._model.selectionStartLength = 0;
+    };
+    return SelectionManager;
+}(EventEmitter_1.EventEmitter));
+exports.SelectionManager = SelectionManager;
+
+},{"./Buffer":2,"./SelectionModel":11,"./common/EventEmitter":17,"./handlers/AltClickHandler":22,"./shared/utils/Browser":46,"./utils/MouseHelper":53}],11:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var SelectionModel = (function () {
+    function SelectionModel(_terminal) {
+        this._terminal = _terminal;
+        this.clearSelection();
+    }
+    SelectionModel.prototype.clearSelection = function () {
+        this.selectionStart = null;
+        this.selectionEnd = null;
+        this.isSelectAllActive = false;
+        this.selectionStartLength = 0;
+    };
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionStart", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [0, 0];
+            }
+            if (!this.selectionEnd || !this.selectionStart) {
+                return this.selectionStart;
+            }
+            return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionEnd", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];
+            }
+            if (!this.selectionStart) {
+                return null;
+            }
+            if (!this.selectionEnd || this.areSelectionValuesReversed()) {
+                var startPlusLength = this.selectionStart[0] + this.selectionStartLength;
+                if (startPlusLength > this._terminal.cols) {
+                    return [startPlusLength % this._terminal.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._terminal.cols)];
+                }
+                return [startPlusLength, this.selectionStart[1]];
+            }
+            if (this.selectionStartLength) {
+                if (this.selectionEnd[1] === this.selectionStart[1]) {
+                    return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];
+                }
+            }
+            return this.selectionEnd;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionModel.prototype.areSelectionValuesReversed = function () {
+        var start = this.selectionStart;
+        var end = this.selectionEnd;
+        if (!start || !end) {
+            return false;
+        }
+        return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
+    };
+    SelectionModel.prototype.onTrim = function (amount) {
+        if (this.selectionStart) {
+            this.selectionStart[1] -= amount;
+        }
+        if (this.selectionEnd) {
+            this.selectionEnd[1] -= amount;
+        }
+        if (this.selectionEnd && this.selectionEnd[1] < 0) {
+            this.clearSelection();
+            return true;
+        }
+        if (this.selectionStart && this.selectionStart[1] < 0) {
+            this.selectionStart[1] = 0;
+        }
+        return false;
+    };
+    return SelectionModel;
+}());
+exports.SelectionModel = SelectionModel;
+
+},{}],12:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DEFAULT_BELL_SOUND = 'data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==';
+var SoundManager = (function () {
+    function SoundManager(_terminal) {
+        this._terminal = _terminal;
+    }
+    SoundManager.prototype.playBellSound = function () {
+        var audioContextCtor = window.AudioContext || window.webkitAudioContext;
+        if (!this._audioContext && audioContextCtor) {
+            this._audioContext = new audioContextCtor();
+        }
+        if (this._audioContext) {
+            var bellAudioSource_1 = this._audioContext.createBufferSource();
+            var context_1 = this._audioContext;
+            this._audioContext.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), function (buffer) {
+                bellAudioSource_1.buffer = buffer;
+                bellAudioSource_1.connect(context_1.destination);
+                bellAudioSource_1.start(0);
+            });
+        }
+        else {
+            console.warn('Sorry, but the Web Audio API is not supported by your browser. Please, consider upgrading to the latest version');
+        }
+    };
+    SoundManager.prototype._base64ToArrayBuffer = function (base64) {
+        var binaryString = window.atob(base64);
+        var len = binaryString.length;
+        var bytes = new Uint8Array(len);
+        for (var i = 0; i < len; i++) {
+            bytes[i] = binaryString.charCodeAt(i);
+        }
+        return bytes.buffer;
+    };
+    SoundManager.prototype._removeMimeType = function (dataURI) {
+        var splitUri = dataURI.split(',');
+        return splitUri[1];
+    };
+    return SoundManager;
+}());
+exports.SoundManager = SoundManager;
+
+},{}],13:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.blankLine = 'Blank line';
+exports.promptLabel = 'Terminal input';
+exports.tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';
+
+},{}],14:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var BufferSet_1 = require("./BufferSet");
+var Buffer_1 = require("./Buffer");
+var CompositionHelper_1 = require("./CompositionHelper");
+var EventEmitter_1 = require("./common/EventEmitter");
+var Viewport_1 = require("./Viewport");
+var Clipboard_1 = require("./handlers/Clipboard");
+var EscapeSequences_1 = require("./common/data/EscapeSequences");
+var InputHandler_1 = require("./InputHandler");
+var Renderer_1 = require("./renderer/Renderer");
+var Linkifier_1 = require("./Linkifier");
+var SelectionManager_1 = require("./SelectionManager");
+var CharMeasure_1 = require("./ui/CharMeasure");
+var Browser = require("./shared/utils/Browser");
+var Lifecycle_1 = require("./ui/Lifecycle");
+var Strings = require("./Strings");
+var MouseHelper_1 = require("./utils/MouseHelper");
+var Clone_1 = require("./utils/Clone");
+var SoundManager_1 = require("./SoundManager");
+var ColorManager_1 = require("./renderer/ColorManager");
+var MouseZoneManager_1 = require("./ui/MouseZoneManager");
+var AccessibilityManager_1 = require("./AccessibilityManager");
+var ScreenDprMonitor_1 = require("./ui/ScreenDprMonitor");
+var CharAtlasCache_1 = require("./renderer/atlas/CharAtlasCache");
+var DomRenderer_1 = require("./renderer/dom/DomRenderer");
+var Keyboard_1 = require("./core/input/Keyboard");
+var BufferLine_1 = require("./BufferLine");
+var document = (typeof window !== 'undefined') ? window.document : null;
+var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
+var WRITE_BATCH_SIZE = 300;
+var CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
+var DEFAULT_OPTIONS = {
+    cols: 80,
+    rows: 24,
+    convertEol: false,
+    termName: 'xterm',
+    cursorBlink: false,
+    cursorStyle: 'block',
+    bellSound: SoundManager_1.DEFAULT_BELL_SOUND,
+    bellStyle: 'none',
+    drawBoldTextInBrightColors: true,
+    enableBold: true,
+    experimentalCharAtlas: 'static',
+    fontFamily: 'courier-new, courier, monospace',
+    fontSize: 15,
+    fontWeight: 'normal',
+    fontWeightBold: 'bold',
+    lineHeight: 1.0,
+    letterSpacing: 0,
+    scrollback: 1000,
+    screenKeys: false,
+    screenReaderMode: false,
+    debug: false,
+    macOptionIsMeta: false,
+    macOptionClickForcesSelection: false,
+    cancelEvents: false,
+    disableStdin: false,
+    useFlowControl: false,
+    allowTransparency: false,
+    tabStopWidth: 8,
+    theme: null,
+    rightClickSelectsWord: Browser.isMac,
+    rendererType: 'canvas'
+};
+var Terminal = (function (_super) {
+    __extends(Terminal, _super);
+    function Terminal(options) {
+        if (options === void 0) { options = {}; }
+        var _this = _super.call(this) || this;
+        _this.browser = Browser;
+        _this.options = Clone_1.clone(options);
+        _this._setup();
+        return _this;
+    }
+    Terminal.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._customKeyEventHandler = null;
+        CharAtlasCache_1.removeTerminalFromCache(this);
+        this.handler = function () { };
+        this.write = function () { };
+        if (this.element && this.element.parentNode) {
+            this.element.parentNode.removeChild(this.element);
+        }
+    };
+    Terminal.prototype.destroy = function () {
+        this.dispose();
+    };
+    Terminal.prototype._setup = function () {
+        var _this = this;
+        Object.keys(DEFAULT_OPTIONS).forEach(function (key) {
+            if (_this.options[key] === null || _this.options[key] === undefined) {
+                _this.options[key] = DEFAULT_OPTIONS[key];
+            }
+        });
+        this._parent = document ? document.body : null;
+        this.cols = this.options.cols;
+        this.rows = this.options.rows;
+        if (this.options.handler) {
+            this.on('data', this.options.handler);
+        }
+        this.cursorState = 0;
+        this.cursorHidden = false;
+        this._customKeyEventHandler = null;
+        this.applicationKeypad = false;
+        this.applicationCursor = false;
+        this.originMode = false;
+        this.insertMode = false;
+        this.wraparoundMode = true;
+        this.bracketedPasteMode = false;
+        this.charset = null;
+        this.gcharset = null;
+        this.glevel = 0;
+        this.charsets = [null];
+        this.curAttr = Buffer_1.DEFAULT_ATTR;
+        this.params = [];
+        this.currentParam = 0;
+        this.writeBuffer = [];
+        this._writeInProgress = false;
+        this._xoffSentToCatchUp = false;
+        this._userScrolling = false;
+        this._inputHandler = new InputHandler_1.InputHandler(this);
+        this.register(this._inputHandler);
+        this.renderer = this.renderer || null;
+        this.selectionManager = this.selectionManager || null;
+        this.linkifier = this.linkifier || new Linkifier_1.Linkifier(this);
+        this._mouseZoneManager = this._mouseZoneManager || null;
+        this.soundManager = this.soundManager || new SoundManager_1.SoundManager(this);
+        this.buffers = new BufferSet_1.BufferSet(this);
+        if (this.selectionManager) {
+            this.selectionManager.clearSelection();
+            this.selectionManager.initBuffersListeners();
+        }
+    };
+    Object.defineProperty(Terminal.prototype, "buffer", {
+        get: function () {
+            return this.buffers.active;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Terminal.prototype.eraseAttr = function () {
+        return (Buffer_1.DEFAULT_ATTR & ~0x1ff) | (this.curAttr & 0x1ff);
+    };
+    Terminal.prototype.focus = function () {
+        if (this.textarea) {
+            this.textarea.focus();
+        }
+    };
+    Object.defineProperty(Terminal.prototype, "isFocused", {
+        get: function () {
+            return document.activeElement === this.textarea;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Terminal.prototype.getOption = function (key) {
+        if (!(key in DEFAULT_OPTIONS)) {
+            throw new Error('No option with key "' + key + '"');
+        }
+        return this.options[key];
+    };
+    Terminal.prototype.setOption = function (key, value) {
+        if (!(key in DEFAULT_OPTIONS)) {
+            throw new Error('No option with key "' + key + '"');
+        }
+        if (CONSTRUCTOR_ONLY_OPTIONS.indexOf(key) !== -1) {
+            console.error("Option \"" + key + "\" can only be set in the constructor");
+        }
+        if (this.options[key] === value) {
+            return;
+        }
+        switch (key) {
+            case 'bellStyle':
+                if (!value) {
+                    value = 'none';
+                }
+                break;
+            case 'cursorStyle':
+                if (!value) {
+                    value = 'block';
+                }
+                break;
+            case 'fontWeight':
+                if (!value) {
+                    value = 'normal';
+                }
+                break;
+            case 'fontWeightBold':
+                if (!value) {
+                    value = 'bold';
+                }
+                break;
+            case 'lineHeight':
+                if (value < 1) {
+                    console.warn(key + " cannot be less than 1, value: " + value);
+                    return;
+                }
+            case 'rendererType':
+                if (!value) {
+                    value = 'canvas';
+                }
+                break;
+            case 'tabStopWidth':
+                if (value < 1) {
+                    console.warn(key + " cannot be less than 1, value: " + value);
+                    return;
+                }
+                break;
+            case 'theme':
+                if (this.renderer) {
+                    this._setTheme(value);
+                    return;
+                }
+                break;
+            case 'scrollback':
+                value = Math.min(value, Buffer_1.MAX_BUFFER_SIZE);
+                if (value < 0) {
+                    console.warn(key + " cannot be less than 0, value: " + value);
+                    return;
+                }
+                if (this.options[key] !== value) {
+                    var newBufferLength = this.rows + value;
+                    if (this.buffer.lines.length > newBufferLength) {
+                        var amountToTrim = this.buffer.lines.length - newBufferLength;
+                        var needsRefresh = (this.buffer.ydisp - amountToTrim < 0);
+                        this.buffer.lines.trimStart(amountToTrim);
+                        this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);
+                        this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);
+                        if (needsRefresh) {
+                            this.refresh(0, this.rows - 1);
+                        }
+                    }
+                }
+                break;
+        }
+        this.options[key] = value;
+        switch (key) {
+            case 'fontFamily':
+            case 'fontSize':
+                if (this.renderer) {
+                    this.renderer.clear();
+                    this.charMeasure.measure(this.options);
+                }
+                break;
+            case 'drawBoldTextInBrightColors':
+            case 'experimentalCharAtlas':
+            case 'enableBold':
+            case 'letterSpacing':
+            case 'lineHeight':
+            case 'fontWeight':
+            case 'fontWeightBold':
+                if (this.renderer) {
+                    this.renderer.clear();
+                    this.renderer.onResize(this.cols, this.rows);
+                    this.refresh(0, this.rows - 1);
+                }
+            case 'rendererType':
+                if (this.renderer) {
+                    this.unregister(this.renderer);
+                    this.renderer.dispose();
+                    this.renderer = null;
+                }
+                this._setupRenderer();
+                this.renderer.onCharSizeChanged();
+                if (this._theme) {
+                    this.renderer.setTheme(this._theme);
+                }
+                break;
+            case 'scrollback':
+                this.buffers.resize(this.cols, this.rows);
+                if (this.viewport) {
+                    this.viewport.syncScrollArea();
+                }
+                break;
+            case 'screenReaderMode':
+                if (value) {
+                    if (!this._accessibilityManager) {
+                        this._accessibilityManager = new AccessibilityManager_1.AccessibilityManager(this);
+                    }
+                }
+                else {
+                    if (this._accessibilityManager) {
+                        this._accessibilityManager.dispose();
+                        this._accessibilityManager = null;
+                    }
+                }
+                break;
+            case 'tabStopWidth':
+                this.buffers.setupTabStops();
+                break;
+        }
+        if (this.renderer) {
+            this.renderer.onOptionsChanged();
+        }
+    };
+    Terminal.prototype._onTextAreaFocus = function (ev) {
+        if (this.sendFocus) {
+            this.handler(EscapeSequences_1.C0.ESC + '[I');
+        }
+        this.updateCursorStyle(ev);
+        this.element.classList.add('focus');
+        this.showCursor();
+        this.emit('focus');
+    };
+    Terminal.prototype.blur = function () {
+        return this.textarea.blur();
+    };
+    Terminal.prototype._onTextAreaBlur = function () {
+        this.textarea.value = '';
+        this.refresh(this.buffer.y, this.buffer.y);
+        if (this.sendFocus) {
+            this.handler(EscapeSequences_1.C0.ESC + '[O');
+        }
+        this.element.classList.remove('focus');
+        this.emit('blur');
+    };
+    Terminal.prototype._initGlobal = function () {
+        var _this = this;
+        this._bindKeys();
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'copy', function (event) {
+            if (!_this.hasSelection()) {
+                return;
+            }
+            Clipboard_1.copyHandler(event, _this, _this.selectionManager);
+        }));
+        var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, _this); };
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'paste', pasteHandlerWrapper));
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'paste', pasteHandlerWrapper));
+        if (Browser.isFirefox) {
+            this.register(Lifecycle_1.addDisposableDomListener(this.element, 'mousedown', function (event) {
+                if (event.button === 2) {
+                    Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager, _this.options.rightClickSelectsWord);
+                }
+            }));
+        }
+        else {
+            this.register(Lifecycle_1.addDisposableDomListener(this.element, 'contextmenu', function (event) {
+                Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager, _this.options.rightClickSelectsWord);
+            }));
+        }
+        if (Browser.isLinux) {
+            this.register(Lifecycle_1.addDisposableDomListener(this.element, 'auxclick', function (event) {
+                if (event.button === 1) {
+                    Clipboard_1.moveTextAreaUnderMouseCursor(event, _this.textarea);
+                }
+            }));
+        }
+    };
+    Terminal.prototype._bindKeys = function () {
+        var _this = this;
+        var self = this;
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keydown', function (ev) {
+            if (document.activeElement !== this) {
+                return;
+            }
+            self._keyDown(ev);
+        }, true));
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keypress', function (ev) {
+            if (document.activeElement !== this) {
+                return;
+            }
+            self._keyPress(ev);
+        }, true));
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keyup', function (ev) {
+            if (!wasModifierKeyOnlyEvent(ev)) {
+                _this.focus();
+            }
+            self._keyUp(ev);
+        }, true));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'keydown', function (ev) { return _this._keyDown(ev); }, true));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'keypress', function (ev) { return _this._keyPress(ev); }, true));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionstart', function () { return _this._compositionHelper.compositionstart(); }));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionupdate', function (e) { return _this._compositionHelper.compositionupdate(e); }));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionend', function () { return _this._compositionHelper.compositionend(); }));
+        this.register(this.addDisposableListener('refresh', function () { return _this._compositionHelper.updateCompositionElements(); }));
+        this.register(this.addDisposableListener('refresh', function (data) { return _this._queueLinkification(data.start, data.end); }));
+    };
+    Terminal.prototype.open = function (parent) {
+        var _this = this;
+        this._parent = parent || this._parent;
+        if (!this._parent) {
+            throw new Error('Terminal requires a parent element.');
+        }
+        this._context = this._parent.ownerDocument.defaultView;
+        this._document = this._parent.ownerDocument;
+        this._screenDprMonitor = new ScreenDprMonitor_1.ScreenDprMonitor();
+        this._screenDprMonitor.setListener(function () { return _this.emit('dprchange', window.devicePixelRatio); });
+        this.register(this._screenDprMonitor);
+        this.element = this._document.createElement('div');
+        this.element.dir = 'ltr';
+        this.element.classList.add('terminal');
+        this.element.classList.add('xterm');
+        this.element.setAttribute('tabindex', '0');
+        this._parent.appendChild(this.element);
+        var fragment = document.createDocumentFragment();
+        this._viewportElement = document.createElement('div');
+        this._viewportElement.classList.add('xterm-viewport');
+        fragment.appendChild(this._viewportElement);
+        this._viewportScrollArea = document.createElement('div');
+        this._viewportScrollArea.classList.add('xterm-scroll-area');
+        this._viewportElement.appendChild(this._viewportScrollArea);
+        this.screenElement = document.createElement('div');
+        this.screenElement.classList.add('xterm-screen');
+        this._helperContainer = document.createElement('div');
+        this._helperContainer.classList.add('xterm-helpers');
+        this.screenElement.appendChild(this._helperContainer);
+        fragment.appendChild(this.screenElement);
+        this._mouseZoneManager = new MouseZoneManager_1.MouseZoneManager(this);
+        this.register(this._mouseZoneManager);
+        this.register(this.addDisposableListener('scroll', function () { return _this._mouseZoneManager.clearAll(); }));
+        this.linkifier.attachToDom(this._mouseZoneManager);
+        this.textarea = document.createElement('textarea');
+        this.textarea.classList.add('xterm-helper-textarea');
+        this.textarea.setAttribute('aria-label', Strings.promptLabel);
+        this.textarea.setAttribute('aria-multiline', 'false');
+        this.textarea.setAttribute('autocorrect', 'off');
+        this.textarea.setAttribute('autocapitalize', 'off');
+        this.textarea.setAttribute('spellcheck', 'false');
+        this.textarea.tabIndex = 0;
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'focus', function (ev) { return _this._onTextAreaFocus(ev); }));
+        this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'blur', function () { return _this._onTextAreaBlur(); }));
+        this._helperContainer.appendChild(this.textarea);
+        this._compositionView = document.createElement('div');
+        this._compositionView.classList.add('composition-view');
+        this._compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this._compositionView, this);
+        this._helperContainer.appendChild(this._compositionView);
+        this.charMeasure = new CharMeasure_1.CharMeasure(document, this._helperContainer);
+        this.element.appendChild(fragment);
+        this._setupRenderer();
+        this._theme = this.options.theme;
+        this.options.theme = null;
+        this.viewport = new Viewport_1.Viewport(this, this._viewportElement, this._viewportScrollArea, this.charMeasure);
+        this.viewport.onThemeChanged(this.renderer.colorManager.colors);
+        this.register(this.viewport);
+        this.register(this.addDisposableListener('cursormove', function () { return _this.renderer.onCursorMove(); }));
+        this.register(this.addDisposableListener('resize', function () { return _this.renderer.onResize(_this.cols, _this.rows); }));
+        this.register(this.addDisposableListener('blur', function () { return _this.renderer.onBlur(); }));
+        this.register(this.addDisposableListener('focus', function () { return _this.renderer.onFocus(); }));
+        this.register(this.addDisposableListener('dprchange', function () { return _this.renderer.onWindowResize(window.devicePixelRatio); }));
+        this.register(Lifecycle_1.addDisposableDomListener(window, 'resize', function () { return _this.renderer.onWindowResize(window.devicePixelRatio); }));
+        this.register(this.charMeasure.addDisposableListener('charsizechanged', function () { return _this.renderer.onCharSizeChanged(); }));
+        this.register(this.renderer.addDisposableListener('resize', function (dimensions) { return _this.viewport.syncScrollArea(); }));
+        this.selectionManager = new SelectionManager_1.SelectionManager(this, this.charMeasure);
+        this.register(Lifecycle_1.addDisposableDomListener(this.element, 'mousedown', function (e) { return _this.selectionManager.onMouseDown(e); }));
+        this.register(this.selectionManager.addDisposableListener('refresh', function (data) { return _this.renderer.onSelectionChanged(data.start, data.end, data.columnSelectMode); }));
+        this.register(this.selectionManager.addDisposableListener('newselection', function (text) {
+            _this.textarea.value = text;
+            _this.textarea.focus();
+            _this.textarea.select();
+        }));
+        this.register(this.addDisposableListener('scroll', function () {
+            _this.viewport.syncScrollArea();
+            _this.selectionManager.refresh();
+        }));
+        this.register(Lifecycle_1.addDisposableDomListener(this._viewportElement, 'scroll', function () { return _this.selectionManager.refresh(); }));
+        this.mouseHelper = new MouseHelper_1.MouseHelper(this.renderer);
+        if (this.options.screenReaderMode) {
+            this._accessibilityManager = new AccessibilityManager_1.AccessibilityManager(this);
+        }
+        this.charMeasure.measure(this.options);
+        this.refresh(0, this.rows - 1);
+        this._initGlobal();
+        this.bindMouse();
+    };
+    Terminal.prototype._setupRenderer = function () {
+        switch (this.options.rendererType) {
+            case 'canvas':
+                this.renderer = new Renderer_1.Renderer(this, this.options.theme);
+                break;
+            case 'dom':
+                this.renderer = new DomRenderer_1.DomRenderer(this, this.options.theme);
+                break;
+            default: throw new Error("Unrecognized rendererType \"" + this.options.rendererType + "\"");
+        }
+        this.register(this.renderer);
+    };
+    Terminal.prototype._setTheme = function (theme) {
+        this._theme = theme;
+        var colors = this.renderer.setTheme(theme);
+        if (this.viewport) {
+            this.viewport.onThemeChanged(colors);
+        }
+    };
+    Terminal.prototype.bindMouse = function () {
+        var _this = this;
+        var el = this.element;
+        var self = this;
+        var pressed = 32;
+        function sendButton(ev) {
+            var button;
+            var pos;
+            button = getButton(ev);
+            pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.options.lineHeight, self.cols, self.rows);
+            if (!pos)
+                return;
+            sendEvent(button, pos);
+            switch (ev.overrideType || ev.type) {
+                case 'mousedown':
+                    pressed = button;
+                    break;
+                case 'mouseup':
+                    pressed = 32;
+                    break;
+                case 'wheel':
+                    break;
+            }
+        }
+        function sendMove(ev) {
+            var button = pressed;
+            var pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.options.lineHeight, self.cols, self.rows);
+            if (!pos)
+                return;
+            button += 32;
+            sendEvent(button, pos);
+        }
+        function encode(data, ch) {
+            if (!self.utfMouse) {
+                if (ch === 255) {
+                    data.push(0);
+                    return;
+                }
+                if (ch > 127)
+                    ch = 127;
+                data.push(ch);
+            }
+            else {
+                if (ch === 2047) {
+                    data.push(0);
+                    return;
+                }
+                if (ch < 127) {
+                    data.push(ch);
+                }
+                else {
+                    if (ch > 2047)
+                        ch = 2047;
+                    data.push(0xC0 | (ch >> 6));
+                    data.push(0x80 | (ch & 0x3F));
+                }
+            }
+        }
+        function sendEvent(button, pos) {
+            if (self._vt300Mouse) {
+                button &= 3;
+                pos.x -= 32;
+                pos.y -= 32;
+                var data_1 = EscapeSequences_1.C0.ESC + '[24';
+                if (button === 0)
+                    data_1 += '1';
+                else if (button === 1)
+                    data_1 += '3';
+                else if (button === 2)
+                    data_1 += '5';
+                else if (button === 3)
+                    return;
+                else
+                    data_1 += '0';
+                data_1 += '~[' + pos.x + ',' + pos.y + ']\r';
+                self.handler(data_1);
+                return;
+            }
+            if (self._decLocator) {
+                button &= 3;
+                pos.x -= 32;
+                pos.y -= 32;
+                if (button === 0)
+                    button = 2;
+                else if (button === 1)
+                    button = 4;
+                else if (button === 2)
+                    button = 6;
+                else if (button === 3)
+                    button = 3;
+                self.handler(EscapeSequences_1.C0.ESC + '['
+                    + button
+                    + ';'
+                    + (button === 3 ? 4 : 0)
+                    + ';'
+                    + pos.y
+                    + ';'
+                    + pos.x
+                    + ';'
+                    + pos.page || 0
+                    + '&w');
+                return;
+            }
+            if (self.urxvtMouse) {
+                pos.x -= 32;
+                pos.y -= 32;
+                pos.x++;
+                pos.y++;
+                self.handler(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
+                return;
+            }
+            if (self.sgrMouse) {
+                pos.x -= 32;
+                pos.y -= 32;
+                self.handler(EscapeSequences_1.C0.ESC + '[<'
+                    + (((button & 3) === 3 ? button & ~3 : button) - 32)
+                    + ';'
+                    + pos.x
+                    + ';'
+                    + pos.y
+                    + ((button & 3) === 3 ? 'm' : 'M'));
+                return;
+            }
+            var data = [];
+            encode(data, button);
+            encode(data, pos.x);
+            encode(data, pos.y);
+            self.handler(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));
+        }
+        function getButton(ev) {
+            var button;
+            var shift;
+            var meta;
+            var ctrl;
+            var mod;
+            switch (ev.overrideType || ev.type) {
+                case 'mousedown':
+                    button = ev.button !== null && ev.button !== undefined
+                        ? +ev.button
+                        : ev.which !== null && ev.which !== undefined
+                            ? ev.which - 1
+                            : null;
+                    if (Browser.isMSIE) {
+                        button = button === 1 ? 0 : button === 4 ? 1 : button;
+                    }
+                    break;
+                case 'mouseup':
+                    button = 3;
+                    break;
+                case 'DOMMouseScroll':
+                    button = ev.detail < 0
+                        ? 64
+                        : 65;
+                    break;
+                case 'wheel':
+                    button = ev.wheelDeltaY > 0
+                        ? 64
+                        : 65;
+                    break;
+            }
+            shift = ev.shiftKey ? 4 : 0;
+            meta = ev.metaKey ? 8 : 0;
+            ctrl = ev.ctrlKey ? 16 : 0;
+            mod = shift | meta | ctrl;
+            if (self.vt200Mouse) {
+                mod &= ctrl;
+            }
+            else if (!self.normalMouse) {
+                mod = 0;
+            }
+            button = (32 + (mod << 2)) + button;
+            return button;
+        }
+        this.register(Lifecycle_1.addDisposableDomListener(el, 'mousedown', function (ev) {
+            ev.preventDefault();
+            _this.focus();
+            if (!_this.mouseEvents || _this.selectionManager.shouldForceSelection(ev)) {
+                return;
+            }
+            sendButton(ev);
+            if (_this.vt200Mouse) {
+                ev.overrideType = 'mouseup';
+                sendButton(ev);
+                return _this.cancel(ev);
+            }
+            var moveHandler;
+            if (_this.normalMouse) {
+                moveHandler = function (event) {
+                    if (!_this.normalMouse) {
+                        return;
+                    }
+                    sendMove(event);
+                };
+                _this._document.addEventListener('mousemove', moveHandler);
+            }
+            var handler = function (ev) {
+                if (_this.normalMouse && !_this.x10Mouse) {
+                    sendButton(ev);
+                }
+                if (moveHandler) {
+                    _this._document.removeEventListener('mousemove', moveHandler);
+                    moveHandler = null;
+                }
+                _this._document.removeEventListener('mouseup', handler);
+                return _this.cancel(ev);
+            };
+            _this._document.addEventListener('mouseup', handler);
+            return _this.cancel(ev);
+        }));
+        this.register(Lifecycle_1.addDisposableDomListener(el, 'wheel', function (ev) {
+            if (!_this.mouseEvents) {
+                if (!_this.buffer.hasScrollback) {
+                    var amount = _this.viewport.getLinesScrolled(ev);
+                    if (amount === 0) {
+                        return;
+                    }
+                    var sequence = EscapeSequences_1.C0.ESC + (_this.applicationCursor ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
+                    var data = '';
+                    for (var i = 0; i < Math.abs(amount); i++) {
+                        data += sequence;
+                    }
+                    _this.handler(data);
+                }
+                return;
+            }
+            if (_this.x10Mouse || _this._vt300Mouse || _this._decLocator)
+                return;
+            sendButton(ev);
+            ev.preventDefault();
+        }));
+        this.register(Lifecycle_1.addDisposableDomListener(el, 'wheel', function (ev) {
+            if (_this.mouseEvents)
+                return;
+            _this.viewport.onWheel(ev);
+            return _this.cancel(ev);
+        }));
+        this.register(Lifecycle_1.addDisposableDomListener(el, 'touchstart', function (ev) {
+            if (_this.mouseEvents)
+                return;
+            _this.viewport.onTouchStart(ev);
+            return _this.cancel(ev);
+        }));
+        this.register(Lifecycle_1.addDisposableDomListener(el, 'touchmove', function (ev) {
+            if (_this.mouseEvents)
+                return;
+            _this.viewport.onTouchMove(ev);
+            return _this.cancel(ev);
+        }));
+    };
+    Terminal.prototype.refresh = function (start, end) {
+        if (this.renderer) {
+            this.renderer.refreshRows(start, end);
+        }
+    };
+    Terminal.prototype._queueLinkification = function (start, end) {
+        if (this.linkifier) {
+            this.linkifier.linkifyRows(start, end);
+        }
+    };
+    Terminal.prototype.updateCursorStyle = function (ev) {
+        if (this.selectionManager && this.selectionManager.shouldColumnSelect(ev)) {
+            this.element.classList.add('xterm-cursor-crosshair');
+        }
+        else {
+            this.element.classList.remove('xterm-cursor-crosshair');
+        }
+    };
+    Terminal.prototype.showCursor = function () {
+        if (!this.cursorState) {
+            this.cursorState = 1;
+            this.refresh(this.buffer.y, this.buffer.y);
+        }
+    };
+    Terminal.prototype.scroll = function (isWrapped) {
+        var newLine = BufferLine_1.BufferLine.blankLine(this.cols, Buffer_1.DEFAULT_ATTR, isWrapped);
+        var topRow = this.buffer.ybase + this.buffer.scrollTop;
+        var bottomRow = this.buffer.ybase + this.buffer.scrollBottom;
+        if (this.buffer.scrollTop === 0) {
+            var willBufferBeTrimmed = this.buffer.lines.length === this.buffer.lines.maxLength;
+            if (bottomRow === this.buffer.lines.length - 1) {
+                this.buffer.lines.push(newLine);
+            }
+            else {
+                this.buffer.lines.splice(bottomRow + 1, 0, newLine);
+            }
+            if (!willBufferBeTrimmed) {
+                this.buffer.ybase++;
+                if (!this._userScrolling) {
+                    this.buffer.ydisp++;
+                }
+            }
+            else {
+                if (this._userScrolling) {
+                    this.buffer.ydisp = Math.max(this.buffer.ydisp - 1, 0);
+                }
+            }
+        }
+        else {
+            var scrollRegionHeight = bottomRow - topRow + 1;
+            this.buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);
+            this.buffer.lines.set(bottomRow, newLine);
+        }
+        if (!this._userScrolling) {
+            this.buffer.ydisp = this.buffer.ybase;
+        }
+        this.updateRange(this.buffer.scrollTop);
+        this.updateRange(this.buffer.scrollBottom);
+        this.emit('scroll', this.buffer.ydisp);
+    };
+    Terminal.prototype.scrollLines = function (disp, suppressScrollEvent) {
+        if (disp < 0) {
+            if (this.buffer.ydisp === 0) {
+                return;
+            }
+            this._userScrolling = true;
+        }
+        else if (disp + this.buffer.ydisp >= this.buffer.ybase) {
+            this._userScrolling = false;
+        }
+        var oldYdisp = this.buffer.ydisp;
+        this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);
+        if (oldYdisp === this.buffer.ydisp) {
+            return;
+        }
+        if (!suppressScrollEvent) {
+            this.emit('scroll', this.buffer.ydisp);
+        }
+        this.refresh(0, this.rows - 1);
+    };
+    Terminal.prototype.scrollPages = function (pageCount) {
+        this.scrollLines(pageCount * (this.rows - 1));
+    };
+    Terminal.prototype.scrollToTop = function () {
+        this.scrollLines(-this.buffer.ydisp);
+    };
+    Terminal.prototype.scrollToBottom = function () {
+        this.scrollLines(this.buffer.ybase - this.buffer.ydisp);
+    };
+    Terminal.prototype.scrollToLine = function (line) {
+        var scrollAmount = line - this.buffer.ydisp;
+        if (scrollAmount !== 0) {
+            this.scrollLines(scrollAmount);
+        }
+    };
+    Terminal.prototype.write = function (data) {
+        var _this = this;
+        if (this._isDisposed) {
+            return;
+        }
+        if (!data) {
+            return;
+        }
+        this.writeBuffer.push(data);
+        if (this.options.useFlowControl && !this._xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
+            this.handler(EscapeSequences_1.C0.DC3);
+            this._xoffSentToCatchUp = true;
+        }
+        if (!this._writeInProgress && this.writeBuffer.length > 0) {
+            this._writeInProgress = true;
+            setTimeout(function () {
+                _this._innerWrite();
+            });
+        }
+    };
+    Terminal.prototype._innerWrite = function () {
+        var _this = this;
+        if (this._isDisposed) {
+            this.writeBuffer = [];
+        }
+        var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);
+        while (writeBatch.length > 0) {
+            var data = writeBatch.shift();
+            if (this._xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
+                this.handler(EscapeSequences_1.C0.DC1);
+                this._xoffSentToCatchUp = false;
+            }
+            this._refreshStart = this.buffer.y;
+            this._refreshEnd = this.buffer.y;
+            this._inputHandler.parse(data);
+            this.updateRange(this.buffer.y);
+            this.refresh(this._refreshStart, this._refreshEnd);
+        }
+        if (this.writeBuffer.length > 0) {
+            setTimeout(function () { return _this._innerWrite(); }, 0);
+        }
+        else {
+            this._writeInProgress = false;
+        }
+    };
+    Terminal.prototype.writeln = function (data) {
+        this.write(data + '\r\n');
+    };
+    Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
+        this._customKeyEventHandler = customKeyEventHandler;
+    };
+    Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
+        var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);
+        this.refresh(0, this.rows - 1);
+        return matcherId;
+    };
+    Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
+        if (this.linkifier.deregisterLinkMatcher(matcherId)) {
+            this.refresh(0, this.rows - 1);
+        }
+    };
+    Terminal.prototype.registerCharacterJoiner = function (handler) {
+        var joinerId = this.renderer.registerCharacterJoiner(handler);
+        this.refresh(0, this.rows - 1);
+        return joinerId;
+    };
+    Terminal.prototype.deregisterCharacterJoiner = function (joinerId) {
+        if (this.renderer.deregisterCharacterJoiner(joinerId)) {
+            this.refresh(0, this.rows - 1);
+        }
+    };
+    Object.defineProperty(Terminal.prototype, "markers", {
+        get: function () {
+            return this.buffer.markers;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Terminal.prototype.addMarker = function (cursorYOffset) {
+        if (this.buffer !== this.buffers.normal) {
+            return;
+        }
+        return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
+    };
+    Terminal.prototype.hasSelection = function () {
+        return this.selectionManager ? this.selectionManager.hasSelection : false;
+    };
+    Terminal.prototype.getSelection = function () {
+        return this.selectionManager ? this.selectionManager.selectionText : '';
+    };
+    Terminal.prototype.clearSelection = function () {
+        if (this.selectionManager) {
+            this.selectionManager.clearSelection();
+        }
+    };
+    Terminal.prototype.selectAll = function () {
+        if (this.selectionManager) {
+            this.selectionManager.selectAll();
+        }
+    };
+    Terminal.prototype.selectLines = function (start, end) {
+        if (this.selectionManager) {
+            this.selectionManager.selectLines(start, end);
+        }
+    };
+    Terminal.prototype._keyDown = function (event) {
+        if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {
+            return false;
+        }
+        if (!this._compositionHelper.keydown(event)) {
+            if (this.buffer.ybase !== this.buffer.ydisp) {
+                this.scrollToBottom();
+            }
+            return false;
+        }
+        var result = Keyboard_1.evaluateKeyboardEvent(event, this.applicationCursor, this.browser.isMac, this.options.macOptionIsMeta);
+        this.updateCursorStyle(event);
+        if (result.type === 3 || result.type === 2) {
+            var scrollCount = this.rows - 1;
+            this.scrollLines(result.type === 2 ? -scrollCount : scrollCount);
+            return this.cancel(event, true);
+        }
+        if (result.type === 1) {
+            this.selectAll();
+        }
+        if (this._isThirdLevelShift(this.browser, event)) {
+            return true;
+        }
+        if (result.cancel) {
+            this.cancel(event, true);
+        }
+        if (!result.key) {
+            return true;
+        }
+        this.emit('keydown', event);
+        this.emit('key', result.key, event);
+        this.showCursor();
+        this.handler(result.key);
+        return this.cancel(event, true);
+    };
+    Terminal.prototype._isThirdLevelShift = function (browser, ev) {
+        var thirdLevelKey = (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+            (browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
+        if (ev.type === 'keypress') {
+            return thirdLevelKey;
+        }
+        return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+    };
+    Terminal.prototype.setgLevel = function (g) {
+        this.glevel = g;
+        this.charset = this.charsets[g];
+    };
+    Terminal.prototype.setgCharset = function (g, charset) {
+        this.charsets[g] = charset;
+        if (this.glevel === g) {
+            this.charset = charset;
+        }
+    };
+    Terminal.prototype._keyUp = function (ev) {
+        this.updateCursorStyle(ev);
+    };
+    Terminal.prototype._keyPress = function (ev) {
+        var key;
+        if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
+            return false;
+        }
+        this.cancel(ev);
+        if (ev.charCode) {
+            key = ev.charCode;
+        }
+        else if (ev.which === null || ev.which === undefined) {
+            key = ev.keyCode;
+        }
+        else if (ev.which !== 0 && ev.charCode !== 0) {
+            key = ev.which;
+        }
+        else {
+            return false;
+        }
+        if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev))) {
+            return false;
+        }
+        key = String.fromCharCode(key);
+        this.emit('keypress', key, ev);
+        this.emit('key', key, ev);
+        this.showCursor();
+        this.handler(key);
+        return true;
+    };
+    Terminal.prototype.bell = function () {
+        var _this = this;
+        this.emit('bell');
+        if (this._soundBell()) {
+            this.soundManager.playBellSound();
+        }
+        if (this._visualBell()) {
+            this.element.classList.add('visual-bell-active');
+            clearTimeout(this._visualBellTimer);
+            this._visualBellTimer = window.setTimeout(function () {
+                _this.element.classList.remove('visual-bell-active');
+            }, 200);
+        }
+    };
+    Terminal.prototype.log = function (text, data) {
+        if (!this.options.debug)
+            return;
+        if (!this._context.console || !this._context.console.log)
+            return;
+        this._context.console.log(text, data);
+    };
+    Terminal.prototype.error = function (text, data) {
+        if (!this.options.debug)
+            return;
+        if (!this._context.console || !this._context.console.error)
+            return;
+        this._context.console.error(text, data);
+    };
+    Terminal.prototype.resize = function (x, y) {
+        if (isNaN(x) || isNaN(y)) {
+            return;
+        }
+        if (x === this.cols && y === this.rows) {
+            if (this.charMeasure && (!this.charMeasure.width || !this.charMeasure.height)) {
+                this.charMeasure.measure(this.options);
+            }
+            return;
+        }
+        if (x < 1)
+            x = 1;
+        if (y < 1)
+            y = 1;
+        this.buffers.resize(x, y);
+        this.cols = x;
+        this.rows = y;
+        this.buffers.setupTabStops(this.cols);
+        if (this.charMeasure) {
+            this.charMeasure.measure(this.options);
+        }
+        this.refresh(0, this.rows - 1);
+        this.emit('resize', { cols: x, rows: y });
+    };
+    Terminal.prototype.updateRange = function (y) {
+        if (y < this._refreshStart)
+            this._refreshStart = y;
+        if (y > this._refreshEnd)
+            this._refreshEnd = y;
+    };
+    Terminal.prototype.maxRange = function () {
+        this._refreshStart = 0;
+        this._refreshEnd = this.rows - 1;
+    };
+    Terminal.prototype.clear = function () {
+        if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+            return;
+        }
+        this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));
+        this.buffer.lines.length = 1;
+        this.buffer.ydisp = 0;
+        this.buffer.ybase = 0;
+        this.buffer.y = 0;
+        for (var i = 1; i < this.rows; i++) {
+            this.buffer.lines.push(BufferLine_1.BufferLine.blankLine(this.cols, Buffer_1.DEFAULT_ATTR));
+        }
+        this.refresh(0, this.rows - 1);
+        this.emit('scroll', this.buffer.ydisp);
+    };
+    Terminal.prototype.ch = function (cur) {
+        if (cur) {
+            return [this.eraseAttr(), Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE];
+        }
+        return [Buffer_1.DEFAULT_ATTR, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE];
+    };
+    Terminal.prototype.is = function (term) {
+        return (this.options.termName + '').indexOf(term) === 0;
+    };
+    Terminal.prototype.handler = function (data) {
+        if (this.options.disableStdin) {
+            return;
+        }
+        if (this.selectionManager && this.selectionManager.hasSelection) {
+            this.selectionManager.clearSelection();
+        }
+        if (this.buffer.ybase !== this.buffer.ydisp) {
+            this.scrollToBottom();
+        }
+        this.emit('data', data);
+    };
+    Terminal.prototype.handleTitle = function (title) {
+        this.emit('title', title);
+    };
+    Terminal.prototype.index = function () {
+        this.buffer.y++;
+        if (this.buffer.y > this.buffer.scrollBottom) {
+            this.buffer.y--;
+            this.scroll();
+        }
+        if (this.buffer.x >= this.cols) {
+            this.buffer.x--;
+        }
+    };
+    Terminal.prototype.reverseIndex = function () {
+        if (this.buffer.y === this.buffer.scrollTop) {
+            var scrollRegionHeight = this.buffer.scrollBottom - this.buffer.scrollTop;
+            this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, scrollRegionHeight, 1);
+            this.buffer.lines.set(this.buffer.y + this.buffer.ybase, BufferLine_1.BufferLine.blankLine(this.cols, this.eraseAttr()));
+            this.updateRange(this.buffer.scrollTop);
+            this.updateRange(this.buffer.scrollBottom);
+        }
+        else {
+            this.buffer.y--;
+        }
+    };
+    Terminal.prototype.reset = function () {
+        this.options.rows = this.rows;
+        this.options.cols = this.cols;
+        var customKeyEventHandler = this._customKeyEventHandler;
+        var inputHandler = this._inputHandler;
+        var cursorState = this.cursorState;
+        this._setup();
+        this._customKeyEventHandler = customKeyEventHandler;
+        this._inputHandler = inputHandler;
+        this.cursorState = cursorState;
+        this.refresh(0, this.rows - 1);
+        if (this.viewport) {
+            this.viewport.syncScrollArea();
+        }
+    };
+    Terminal.prototype.tabSet = function () {
+        this.buffer.tabs[this.buffer.x] = true;
+    };
+    Terminal.prototype.cancel = function (ev, force) {
+        if (!this.options.cancelEvents && !force) {
+            return;
+        }
+        ev.preventDefault();
+        ev.stopPropagation();
+        return false;
+    };
+    Terminal.prototype.matchColor = function (r1, g1, b1) {
+        var hash = (r1 << 16) | (g1 << 8) | b1;
+        if (matchColorCache[hash] !== null && matchColorCache[hash] !== undefined) {
+            return matchColorCache[hash];
+        }
+        var ldiff = Infinity;
+        var li = -1;
+        var i = 0;
+        var c;
+        var r2;
+        var g2;
+        var b2;
+        var diff;
+        for (; i < ColorManager_1.DEFAULT_ANSI_COLORS.length; i++) {
+            c = ColorManager_1.DEFAULT_ANSI_COLORS[i].rgba;
+            r2 = c >>> 24;
+            g2 = c >>> 16 & 0xFF;
+            b2 = c >>> 8 & 0xFF;
+            diff = matchColorDistance(r1, g1, b1, r2, g2, b2);
+            if (diff === 0) {
+                li = i;
+                break;
+            }
+            if (diff < ldiff) {
+                ldiff = diff;
+                li = i;
+            }
+        }
+        return matchColorCache[hash] = li;
+    };
+    Terminal.prototype._visualBell = function () {
+        return false;
+    };
+    Terminal.prototype._soundBell = function () {
+        return this.options.bellStyle === 'sound';
+    };
+    return Terminal;
+}(EventEmitter_1.EventEmitter));
+exports.Terminal = Terminal;
+function wasModifierKeyOnlyEvent(ev) {
+    return ev.keyCode === 16 ||
+        ev.keyCode === 17 ||
+        ev.keyCode === 18;
+}
+var matchColorCache = {};
+function matchColorDistance(r1, g1, b1, r2, g2, b2) {
+    return Math.pow(30 * (r1 - r2), 2)
+        + Math.pow(59 * (g1 - g2), 2)
+        + Math.pow(11 * (b1 - b2), 2);
+}
+
+},{"./AccessibilityManager":1,"./Buffer":2,"./BufferLine":3,"./BufferSet":4,"./CompositionHelper":6,"./InputHandler":8,"./Linkifier":9,"./SelectionManager":10,"./SoundManager":12,"./Strings":13,"./Viewport":15,"./common/EventEmitter":17,"./common/data/EscapeSequences":19,"./core/input/Keyboard":21,"./handlers/Clipboard":23,"./renderer/ColorManager":27,"./renderer/Renderer":31,"./renderer/atlas/CharAtlasCache":35,"./renderer/dom/DomRenderer":42,"./shared/utils/Browser":46,"./ui/CharMeasure":47,"./ui/Lifecycle":48,"./ui/MouseZoneManager":49,"./ui/ScreenDprMonitor":51,"./utils/Clone":52,"./utils/MouseHelper":53}],15:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Lifecycle_1 = require("./common/Lifecycle");
+var Lifecycle_2 = require("./ui/Lifecycle");
+var FALLBACK_SCROLL_BAR_WIDTH = 15;
+var Viewport = (function (_super) {
+    __extends(Viewport, _super);
+    function Viewport(_terminal, _viewportElement, _scrollArea, _charMeasure) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._viewportElement = _viewportElement;
+        _this._scrollArea = _scrollArea;
+        _this._charMeasure = _charMeasure;
+        _this.scrollBarWidth = 0;
+        _this._currentRowHeight = 0;
+        _this._lastRecordedBufferLength = 0;
+        _this._lastRecordedViewportHeight = 0;
+        _this._lastRecordedBufferHeight = 0;
+        _this._lastScrollTop = 0;
+        _this._wheelPartialScroll = 0;
+        _this._refreshAnimationFrame = null;
+        _this._ignoreNextScrollEvent = false;
+        _this.scrollBarWidth = (_this._viewportElement.offsetWidth - _this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;
+        _this.register(Lifecycle_2.addDisposableDomListener(_this._viewportElement, 'scroll', _this._onScroll.bind(_this)));
+        setTimeout(function () { return _this.syncScrollArea(); }, 0);
+        return _this;
+    }
+    Viewport.prototype.onThemeChanged = function (colors) {
+        this._viewportElement.style.backgroundColor = colors.background.css;
+    };
+    Viewport.prototype._refresh = function () {
+        var _this = this;
+        if (this._refreshAnimationFrame === null) {
+            this._refreshAnimationFrame = requestAnimationFrame(function () { return _this._innerRefresh(); });
+        }
+    };
+    Viewport.prototype._innerRefresh = function () {
+        if (this._charMeasure.height > 0) {
+            this._currentRowHeight = this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio;
+            this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;
+            var newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._terminal.renderer.dimensions.canvasHeight);
+            if (this._lastRecordedBufferHeight !== newBufferHeight) {
+                this._lastRecordedBufferHeight = newBufferHeight;
+                this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';
+            }
+        }
+        var scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
+        if (this._viewportElement.scrollTop !== scrollTop) {
+            this._ignoreNextScrollEvent = true;
+            this._viewportElement.scrollTop = scrollTop;
+        }
+        this._refreshAnimationFrame = null;
+    };
+    Viewport.prototype.syncScrollArea = function () {
+        if (this._lastRecordedBufferLength !== this._terminal.buffer.lines.length) {
+            this._lastRecordedBufferLength = this._terminal.buffer.lines.length;
+            this._refresh();
+            return;
+        }
+        if (this._lastRecordedViewportHeight !== this._terminal.renderer.dimensions.canvasHeight) {
+            this._refresh();
+            return;
+        }
+        var newScrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
+        if (this._lastScrollTop !== newScrollTop) {
+            this._refresh();
+            return;
+        }
+        if (this._lastScrollTop !== this._viewportElement.scrollTop) {
+            this._refresh();
+            return;
+        }
+        if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {
+            this._refresh();
+            return;
+        }
+    };
+    Viewport.prototype._onScroll = function (ev) {
+        this._lastScrollTop = this._viewportElement.scrollTop;
+        if (!this._viewportElement.offsetParent) {
+            return;
+        }
+        if (this._ignoreNextScrollEvent) {
+            this._ignoreNextScrollEvent = false;
+            return;
+        }
+        var newRow = Math.round(this._lastScrollTop / this._currentRowHeight);
+        var diff = newRow - this._terminal.buffer.ydisp;
+        this._terminal.scrollLines(diff, true);
+    };
+    Viewport.prototype.onWheel = function (ev) {
+        var amount = this._getPixelsScrolled(ev);
+        if (amount === 0) {
+            return;
+        }
+        this._viewportElement.scrollTop += amount;
+        ev.preventDefault();
+    };
+    Viewport.prototype._getPixelsScrolled = function (ev) {
+        if (ev.deltaY === 0) {
+            return 0;
+        }
+        var amount = ev.deltaY;
+        if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+            amount *= this._currentRowHeight;
+        }
+        else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+            amount *= this._currentRowHeight * this._terminal.rows;
+        }
+        return amount;
+    };
+    Viewport.prototype.getLinesScrolled = function (ev) {
+        if (ev.deltaY === 0) {
+            return 0;
+        }
+        var amount = ev.deltaY;
+        if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+            amount /= this._currentRowHeight + 0.0;
+            this._wheelPartialScroll += amount;
+            amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);
+            this._wheelPartialScroll %= 1;
+        }
+        else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+            amount *= this._terminal.rows;
+        }
+        return amount;
+    };
+    Viewport.prototype.onTouchStart = function (ev) {
+        this._lastTouchY = ev.touches[0].pageY;
+    };
+    Viewport.prototype.onTouchMove = function (ev) {
+        var deltaY = this._lastTouchY - ev.touches[0].pageY;
+        this._lastTouchY = ev.touches[0].pageY;
+        if (deltaY === 0) {
+            return;
+        }
+        this._viewportElement.scrollTop += deltaY;
+        ev.preventDefault();
+    };
+    return Viewport;
+}(Lifecycle_1.Disposable));
+exports.Viewport = Viewport;
+
+},{"./common/Lifecycle":18,"./ui/Lifecycle":48}],16:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_1 = require("./EventEmitter");
+var CircularList = (function (_super) {
+    __extends(CircularList, _super);
+    function CircularList(_maxLength) {
+        var _this = _super.call(this) || this;
+        _this._maxLength = _maxLength;
+        _this._array = new Array(_this._maxLength);
+        _this._startIndex = 0;
+        _this._length = 0;
+        return _this;
+    }
+    Object.defineProperty(CircularList.prototype, "maxLength", {
+        get: function () {
+            return this._maxLength;
+        },
+        set: function (newMaxLength) {
+            if (this._maxLength === newMaxLength) {
+                return;
+            }
+            var newArray = new Array(newMaxLength);
+            for (var i = 0; i < Math.min(newMaxLength, this.length); i++) {
+                newArray[i] = this._array[this._getCyclicIndex(i)];
+            }
+            this._array = newArray;
+            this._maxLength = newMaxLength;
+            this._startIndex = 0;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CircularList.prototype, "length", {
+        get: function () {
+            return this._length;
+        },
+        set: function (newLength) {
+            if (newLength > this._length) {
+                for (var i = this._length; i < newLength; i++) {
+                    this._array[i] = undefined;
+                }
+            }
+            this._length = newLength;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CircularList.prototype.get = function (index) {
+        return this._array[this._getCyclicIndex(index)];
+    };
+    CircularList.prototype.set = function (index, value) {
+        this._array[this._getCyclicIndex(index)] = value;
+    };
+    CircularList.prototype.push = function (value) {
+        this._array[this._getCyclicIndex(this._length)] = value;
+        if (this._length === this._maxLength) {
+            this._startIndex++;
+            if (this._startIndex === this._maxLength) {
+                this._startIndex = 0;
+            }
+            this.emit('trim', 1);
+        }
+        else {
+            this._length++;
+        }
+    };
+    CircularList.prototype.pop = function () {
+        return this._array[this._getCyclicIndex(this._length-- - 1)];
+    };
+    CircularList.prototype.splice = function (start, deleteCount) {
+        var items = [];
+        for (var _i = 2; _i < arguments.length; _i++) {
+            items[_i - 2] = arguments[_i];
+        }
+        if (deleteCount) {
+            for (var i = start; i < this._length - deleteCount; i++) {
+                this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
+            }
+            this._length -= deleteCount;
+        }
+        if (items && items.length) {
+            for (var i = this._length - 1; i >= start; i--) {
+                this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
+            }
+            for (var i = 0; i < items.length; i++) {
+                this._array[this._getCyclicIndex(start + i)] = items[i];
+            }
+            if (this._length + items.length > this.maxLength) {
+                var countToTrim = (this._length + items.length) - this.maxLength;
+                this._startIndex += countToTrim;
+                this._length = this.maxLength;
+                this.emit('trim', countToTrim);
+            }
+            else {
+                this._length += items.length;
+            }
+        }
+    };
+    CircularList.prototype.trimStart = function (count) {
+        if (count > this._length) {
+            count = this._length;
+        }
+        this._startIndex += count;
+        this._length -= count;
+        this.emit('trim', count);
+    };
+    CircularList.prototype.shiftElements = function (start, count, offset) {
+        if (count <= 0) {
+            return;
+        }
+        if (start < 0 || start >= this._length) {
+            throw new Error('start argument out of range');
+        }
+        if (start + offset < 0) {
+            throw new Error('Cannot shift elements in list beyond index 0');
+        }
+        if (offset > 0) {
+            for (var i = count - 1; i >= 0; i--) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+            var expandListBy = (start + count + offset) - this._length;
+            if (expandListBy > 0) {
+                this._length += expandListBy;
+                while (this._length > this.maxLength) {
+                    this._length--;
+                    this._startIndex++;
+                    this.emit('trim', 1);
+                }
+            }
+        }
+        else {
+            for (var i = 0; i < count; i++) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+        }
+    };
+    CircularList.prototype._getCyclicIndex = function (index) {
+        return (this._startIndex + index) % this.maxLength;
+    };
+    return CircularList;
+}(EventEmitter_1.EventEmitter));
+exports.CircularList = CircularList;
+
+},{"./EventEmitter":17}],17:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Lifecycle_1 = require("./Lifecycle");
+var EventEmitter = (function (_super) {
+    __extends(EventEmitter, _super);
+    function EventEmitter() {
+        var _this = _super.call(this) || this;
+        _this._events = _this._events || {};
+        return _this;
+    }
+    EventEmitter.prototype.on = function (type, listener) {
+        this._events[type] = this._events[type] || [];
+        this._events[type].push(listener);
+    };
+    EventEmitter.prototype.addDisposableListener = function (type, handler) {
+        var _this = this;
+        this.on(type, handler);
+        var disposed = false;
+        return {
+            dispose: function () {
+                if (disposed) {
+                    return;
+                }
+                _this.off(type, handler);
+                disposed = true;
+            }
+        };
+    };
+    EventEmitter.prototype.off = function (type, listener) {
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        var i = obj.length;
+        while (i--) {
+            if (obj[i] === listener) {
+                obj.splice(i, 1);
+                return;
+            }
+        }
+    };
+    EventEmitter.prototype.removeAllListeners = function (type) {
+        if (this._events[type]) {
+            delete this._events[type];
+        }
+    };
+    EventEmitter.prototype.emit = function (type) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        for (var i = 0; i < obj.length; i++) {
+            obj[i].apply(this, args);
+        }
+    };
+    EventEmitter.prototype.listeners = function (type) {
+        return this._events[type] || [];
+    };
+    EventEmitter.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._events = {};
+    };
+    return EventEmitter;
+}(Lifecycle_1.Disposable));
+exports.EventEmitter = EventEmitter;
+
+},{"./Lifecycle":18}],18:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Disposable = (function () {
+    function Disposable() {
+        this._disposables = [];
+        this._isDisposed = false;
+    }
+    Disposable.prototype.dispose = function () {
+        this._isDisposed = true;
+        this._disposables.forEach(function (d) { return d.dispose(); });
+        this._disposables.length = 0;
+    };
+    Disposable.prototype.register = function (d) {
+        this._disposables.push(d);
+    };
+    Disposable.prototype.unregister = function (d) {
+        var index = this._disposables.indexOf(d);
+        if (index !== -1) {
+            this._disposables.splice(index, 1);
+        }
+    };
+    return Disposable;
+}());
+exports.Disposable = Disposable;
+
+},{}],19:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var C0;
+(function (C0) {
+    C0.NUL = '\x00';
+    C0.SOH = '\x01';
+    C0.STX = '\x02';
+    C0.ETX = '\x03';
+    C0.EOT = '\x04';
+    C0.ENQ = '\x05';
+    C0.ACK = '\x06';
+    C0.BEL = '\x07';
+    C0.BS = '\x08';
+    C0.HT = '\x09';
+    C0.LF = '\x0a';
+    C0.VT = '\x0b';
+    C0.FF = '\x0c';
+    C0.CR = '\x0d';
+    C0.SO = '\x0e';
+    C0.SI = '\x0f';
+    C0.DLE = '\x10';
+    C0.DC1 = '\x11';
+    C0.DC2 = '\x12';
+    C0.DC3 = '\x13';
+    C0.DC4 = '\x14';
+    C0.NAK = '\x15';
+    C0.SYN = '\x16';
+    C0.ETB = '\x17';
+    C0.CAN = '\x18';
+    C0.EM = '\x19';
+    C0.SUB = '\x1a';
+    C0.ESC = '\x1b';
+    C0.FS = '\x1c';
+    C0.GS = '\x1d';
+    C0.RS = '\x1e';
+    C0.US = '\x1f';
+    C0.SP = '\x20';
+    C0.DEL = '\x7f';
+})(C0 = exports.C0 || (exports.C0 = {}));
+var C1;
+(function (C1) {
+    C1.PAD = '\x80';
+    C1.HOP = '\x81';
+    C1.BPH = '\x82';
+    C1.NBH = '\x83';
+    C1.IND = '\x84';
+    C1.NEL = '\x85';
+    C1.SSA = '\x86';
+    C1.ESA = '\x87';
+    C1.HTS = '\x88';
+    C1.HTJ = '\x89';
+    C1.VTS = '\x8a';
+    C1.PLD = '\x8b';
+    C1.PLU = '\x8c';
+    C1.RI = '\x8d';
+    C1.SS2 = '\x8e';
+    C1.SS3 = '\x8f';
+    C1.DCS = '\x90';
+    C1.PU1 = '\x91';
+    C1.PU2 = '\x92';
+    C1.STS = '\x93';
+    C1.CCH = '\x94';
+    C1.MW = '\x95';
+    C1.SPA = '\x96';
+    C1.EPA = '\x97';
+    C1.SOS = '\x98';
+    C1.SGCI = '\x99';
+    C1.SCI = '\x9a';
+    C1.CSI = '\x9b';
+    C1.ST = '\x9c';
+    C1.OSC = '\x9d';
+    C1.PM = '\x9e';
+    C1.APC = '\x9f';
+})(C1 = exports.C1 || (exports.C1 = {}));
+
+},{}],20:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CHARSETS = {};
+exports.DEFAULT_CHARSET = exports.CHARSETS['B'];
+exports.CHARSETS['0'] = {
+    '`': '\u25c6',
+    'a': '\u2592',
+    'b': '\u0009',
+    'c': '\u000c',
+    'd': '\u000d',
+    'e': '\u000a',
+    'f': '\u00b0',
+    'g': '\u00b1',
+    'h': '\u2424',
+    'i': '\u000b',
+    'j': '\u2518',
+    'k': '\u2510',
+    'l': '\u250c',
+    'm': '\u2514',
+    'n': '\u253c',
+    'o': '\u23ba',
+    'p': '\u23bb',
+    'q': '\u2500',
+    'r': '\u23bc',
+    's': '\u23bd',
+    't': '\u251c',
+    'u': '\u2524',
+    'v': '\u2534',
+    'w': '\u252c',
+    'x': '\u2502',
+    'y': '\u2264',
+    'z': '\u2265',
+    '{': '\u03c0',
+    '|': '\u2260',
+    '}': '\u00a3',
+    '~': '\u00b7'
+};
+exports.CHARSETS['A'] = {
+    '#': '拢'
+};
+exports.CHARSETS['B'] = null;
+exports.CHARSETS['4'] = {
+    '#': '拢',
+    '@': '戮',
+    '[': 'ij',
+    '\\': '陆',
+    ']': '|',
+    '{': '篓',
+    '|': 'f',
+    '}': '录',
+    '~': '麓'
+};
+exports.CHARSETS['C'] =
+    exports.CHARSETS['5'] = {
+        '[': '脛',
+        '\\': '脰',
+        ']': '脜',
+        '^': '脺',
+        '`': '茅',
+        '{': '盲',
+        '|': '枚',
+        '}': '氓',
+        '~': '眉'
+    };
+exports.CHARSETS['R'] = {
+    '#': '拢',
+    '@': '脿',
+    '[': '掳',
+    '\\': '莽',
+    ']': '搂',
+    '{': '茅',
+    '|': '霉',
+    '}': '猫',
+    '~': '篓'
+};
+exports.CHARSETS['Q'] = {
+    '@': '脿',
+    '[': '芒',
+    '\\': '莽',
+    ']': '锚',
+    '^': '卯',
+    '`': '么',
+    '{': '茅',
+    '|': '霉',
+    '}': '猫',
+    '~': '没'
+};
+exports.CHARSETS['K'] = {
+    '@': '搂',
+    '[': '脛',
+    '\\': '脰',
+    ']': '脺',
+    '{': '盲',
+    '|': '枚',
+    '}': '眉',
+    '~': '脽'
+};
+exports.CHARSETS['Y'] = {
+    '#': '拢',
+    '@': '搂',
+    '[': '掳',
+    '\\': '莽',
+    ']': '茅',
+    '`': '霉',
+    '{': '脿',
+    '|': '貌',
+    '}': '猫',
+    '~': '矛'
+};
+exports.CHARSETS['E'] =
+    exports.CHARSETS['6'] = {
+        '@': '脛',
+        '[': '脝',
+        '\\': '脴',
+        ']': '脜',
+        '^': '脺',
+        '`': '盲',
+        '{': '忙',
+        '|': '酶',
+        '}': '氓',
+        '~': '眉'
+    };
+exports.CHARSETS['Z'] = {
+    '#': '拢',
+    '@': '搂',
+    '[': '隆',
+    '\\': '脩',
+    ']': '驴',
+    '{': '掳',
+    '|': '帽',
+    '}': '莽'
+};
+exports.CHARSETS['H'] =
+    exports.CHARSETS['7'] = {
+        '@': '脡',
+        '[': '脛',
+        '\\': '脰',
+        ']': '脜',
+        '^': '脺',
+        '`': '茅',
+        '{': '盲',
+        '|': '枚',
+        '}': '氓',
+        '~': '眉'
+    };
+exports.CHARSETS['='] = {
+    '#': '霉',
+    '@': '脿',
+    '[': '茅',
+    '\\': '莽',
+    ']': '锚',
+    '^': '卯',
+    '_': '猫',
+    '`': '么',
+    '{': '盲',
+    '|': '枚',
+    '}': '眉',
+    '~': '没'
+};
+
+},{}],21:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("../../common/data/EscapeSequences");
+var KEYCODE_KEY_MAPPINGS = {
+    48: ['0', ')'],
+    49: ['1', '!'],
+    50: ['2', '@'],
+    51: ['3', '#'],
+    52: ['4', '$'],
+    53: ['5', '%'],
+    54: ['6', '^'],
+    55: ['7', '&'],
+    56: ['8', '*'],
+    57: ['9', '('],
+    186: [';', ':'],
+    187: ['=', '+'],
+    188: [',', '<'],
+    189: ['-', '_'],
+    190: ['.', '>'],
+    191: ['/', '?'],
+    192: ['`', '~'],
+    219: ['[', '{'],
+    220: ['\\', '|'],
+    221: [']', '}'],
+    222: ['\'', '"']
+};
+function evaluateKeyboardEvent(ev, applicationCursorMode, isMac, macOptionIsMeta) {
+    var result = {
+        type: 0,
+        cancel: false,
+        key: undefined
+    };
+    var modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
+    switch (ev.keyCode) {
+        case 0:
+            if (ev.key === 'UIKeyInputUpArrow') {
+                if (applicationCursorMode) {
+                    result.key = EscapeSequences_1.C0.ESC + 'OA';
+                }
+                else {
+                    result.key = EscapeSequences_1.C0.ESC + '[A';
+                }
+            }
+            else if (ev.key === 'UIKeyInputLeftArrow') {
+                if (applicationCursorMode) {
+                    result.key = EscapeSequences_1.C0.ESC + 'OD';
+                }
+                else {
+                    result.key = EscapeSequences_1.C0.ESC + '[D';
+                }
+            }
+            else if (ev.key === 'UIKeyInputRightArrow') {
+                if (applicationCursorMode) {
+                    result.key = EscapeSequences_1.C0.ESC + 'OC';
+                }
+                else {
+                    result.key = EscapeSequences_1.C0.ESC + '[C';
+                }
+            }
+            else if (ev.key === 'UIKeyInputDownArrow') {
+                if (applicationCursorMode) {
+                    result.key = EscapeSequences_1.C0.ESC + 'OB';
+                }
+                else {
+                    result.key = EscapeSequences_1.C0.ESC + '[B';
+                }
+            }
+            break;
+        case 8:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.BS;
+                break;
+            }
+            else if (ev.altKey) {
+                result.key = EscapeSequences_1.C0.ESC + EscapeSequences_1.C0.DEL;
+                break;
+            }
+            result.key = EscapeSequences_1.C0.DEL;
+            break;
+        case 9:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[Z';
+                break;
+            }
+            result.key = EscapeSequences_1.C0.HT;
+            result.cancel = true;
+            break;
+        case 13:
+            result.key = EscapeSequences_1.C0.CR;
+            result.cancel = true;
+            break;
+        case 27:
+            result.key = EscapeSequences_1.C0.ESC;
+            result.cancel = true;
+            break;
+        case 37:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';
+                if (result.key === EscapeSequences_1.C0.ESC + '[1;3D') {
+                    result.key = isMac ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';
+                }
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OD';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[D';
+            }
+            break;
+        case 39:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';
+                if (result.key === EscapeSequences_1.C0.ESC + '[1;3C') {
+                    result.key = isMac ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';
+                }
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OC';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[C';
+            }
+            break;
+        case 38:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';
+                if (result.key === EscapeSequences_1.C0.ESC + '[1;3A') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5A';
+                }
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OA';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[A';
+            }
+            break;
+        case 40:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';
+                if (result.key === EscapeSequences_1.C0.ESC + '[1;3B') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5B';
+                }
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OB';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[B';
+            }
+            break;
+        case 45:
+            if (!ev.shiftKey && !ev.ctrlKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[2~';
+            }
+            break;
+        case 46:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[3~';
+            }
+            break;
+        case 36:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OH';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[H';
+            }
+            break;
+        case 35:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';
+            }
+            else if (applicationCursorMode) {
+                result.key = EscapeSequences_1.C0.ESC + 'OF';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[F';
+            }
+            break;
+        case 33:
+            if (ev.shiftKey) {
+                result.type = 2;
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[5~';
+            }
+            break;
+        case 34:
+            if (ev.shiftKey) {
+                result.type = 3;
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[6~';
+            }
+            break;
+        case 112:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OP';
+            }
+            break;
+        case 113:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OQ';
+            }
+            break;
+        case 114:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OR';
+            }
+            break;
+        case 115:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OS';
+            }
+            break;
+        case 116:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[15~';
+            }
+            break;
+        case 117:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[17~';
+            }
+            break;
+        case 118:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[18~';
+            }
+            break;
+        case 119:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[19~';
+            }
+            break;
+        case 120:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[20~';
+            }
+            break;
+        case 121:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[21~';
+            }
+            break;
+        case 122:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[23~';
+            }
+            break;
+        case 123:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[24~';
+            }
+            break;
+        default:
+            if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+                if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    result.key = String.fromCharCode(ev.keyCode - 64);
+                }
+                else if (ev.keyCode === 32) {
+                    result.key = String.fromCharCode(0);
+                }
+                else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+                    result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+                }
+                else if (ev.keyCode === 56) {
+                    result.key = String.fromCharCode(127);
+                }
+                else if (ev.keyCode === 219) {
+                    result.key = String.fromCharCode(27);
+                }
+                else if (ev.keyCode === 220) {
+                    result.key = String.fromCharCode(28);
+                }
+                else if (ev.keyCode === 221) {
+                    result.key = String.fromCharCode(29);
+                }
+            }
+            else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {
+                var keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
+                var key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];
+                if (key) {
+                    result.key = EscapeSequences_1.C0.ESC + key;
+                }
+                else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    var keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
+                    result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(keyCode);
+                }
+            }
+            else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
+                if (ev.keyCode === 65) {
+                    result.type = 1;
+                }
+            }
+            break;
+    }
+    return result;
+}
+exports.evaluateKeyboardEvent = evaluateKeyboardEvent;
+
+},{"../../common/data/EscapeSequences":19}],22:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("../common/data/EscapeSequences");
+var AltClickHandler = (function () {
+    function AltClickHandler(_mouseEvent, _terminal) {
+        var _a;
+        this._mouseEvent = _mouseEvent;
+        this._terminal = _terminal;
+        this._lines = this._terminal.buffer.lines;
+        this._startCol = this._terminal.buffer.x;
+        this._startRow = this._terminal.buffer.y;
+        var coordinates = this._terminal.mouseHelper.getCoords(this._mouseEvent, this._terminal.element, this._terminal.charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows, false);
+        if (coordinates) {
+            _a = coordinates.map(function (coordinate) {
+                return coordinate - 1;
+            }), this._endCol = _a[0], this._endRow = _a[1];
+        }
+    }
+    AltClickHandler.prototype.move = function () {
+        if (this._mouseEvent.altKey && this._endCol !== undefined && this._endRow !== undefined) {
+            this._terminal.handler(this._arrowSequences());
+        }
+    };
+    AltClickHandler.prototype._arrowSequences = function () {
+        if (!this._terminal.buffer.hasScrollback) {
+            return this._resetStartingRow() + this._moveToRequestedRow() + this._moveToRequestedCol();
+        }
+        return this._moveHorizontallyOnly();
+    };
+    AltClickHandler.prototype._resetStartingRow = function () {
+        if (this._moveToRequestedRow().length === 0) {
+            return '';
+        }
+        return repeat(this._bufferLine(this._startCol, this._startRow, this._startCol, this._startRow - this._wrappedRowsForRow(this._startRow), false).length, this._sequence("D"));
+    };
+    AltClickHandler.prototype._moveToRequestedRow = function () {
+        var startRow = this._startRow - this._wrappedRowsForRow(this._startRow);
+        var endRow = this._endRow - this._wrappedRowsForRow(this._endRow);
+        var rowsToMove = Math.abs(startRow - endRow) - this._wrappedRowsCount();
+        return repeat(rowsToMove, this._sequence(this._verticalDirection()));
+    };
+    AltClickHandler.prototype._moveToRequestedCol = function () {
+        var startRow;
+        if (this._moveToRequestedRow().length > 0) {
+            startRow = this._endRow - this._wrappedRowsForRow(this._endRow);
+        }
+        else {
+            startRow = this._startRow;
+        }
+        var endRow = this._endRow;
+        var direction = this._horizontalDirection();
+        return repeat(this._bufferLine(this._startCol, startRow, this._endCol, endRow, direction === "C").length, this._sequence(direction));
+    };
+    AltClickHandler.prototype._moveHorizontallyOnly = function () {
+        var direction = this._horizontalDirection();
+        return repeat(Math.abs(this._startCol - this._endCol), this._sequence(direction));
+    };
+    AltClickHandler.prototype._wrappedRowsCount = function () {
+        var wrappedRows = 0;
+        var startRow = this._startRow - this._wrappedRowsForRow(this._startRow);
+        var endRow = this._endRow - this._wrappedRowsForRow(this._endRow);
+        for (var i = 0; i < Math.abs(startRow - endRow); i++) {
+            var direction = this._verticalDirection() === "A" ? -1 : 1;
+            if (this._lines.get(startRow + (direction * i)).isWrapped) {
+                wrappedRows++;
+            }
+        }
+        return wrappedRows;
+    };
+    AltClickHandler.prototype._wrappedRowsForRow = function (currentRow) {
+        var rowCount = 0;
+        var lineWraps = this._lines.get(currentRow).isWrapped;
+        while (lineWraps && currentRow >= 0 && currentRow < this._terminal.rows) {
+            rowCount++;
+            currentRow--;
+            lineWraps = this._lines.get(currentRow).isWrapped;
+        }
+        return rowCount;
+    };
+    AltClickHandler.prototype._horizontalDirection = function () {
+        var startRow;
+        if (this._moveToRequestedRow().length > 0) {
+            startRow = this._endRow - this._wrappedRowsForRow(this._endRow);
+        }
+        else {
+            startRow = this._startRow;
+        }
+        if ((this._startCol < this._endCol &&
+            startRow <= this._endRow) ||
+            (this._startCol >= this._endCol &&
+                startRow < this._endRow)) {
+            return "C";
+        }
+        return "D";
+    };
+    AltClickHandler.prototype._verticalDirection = function () {
+        if (this._startRow > this._endRow) {
+            return "A";
+        }
+        return "B";
+    };
+    AltClickHandler.prototype._bufferLine = function (startCol, startRow, endCol, endRow, forward) {
+        var currentCol = startCol;
+        var currentRow = startRow;
+        var bufferStr = '';
+        while (currentCol !== endCol || currentRow !== endRow) {
+            currentCol += forward ? 1 : -1;
+            if (forward && currentCol > this._terminal.cols - 1) {
+                bufferStr += this._terminal.buffer.translateBufferLineToString(currentRow, false, startCol, currentCol);
+                currentCol = 0;
+                startCol = 0;
+                currentRow++;
+            }
+            else if (!forward && currentCol < 0) {
+                bufferStr += this._terminal.buffer.translateBufferLineToString(currentRow, false, 0, startCol + 1);
+                currentCol = this._terminal.cols - 1;
+                startCol = currentCol;
+                currentRow--;
+            }
+        }
+        return bufferStr + this._terminal.buffer.translateBufferLineToString(currentRow, false, startCol, currentCol);
+    };
+    AltClickHandler.prototype._sequence = function (direction) {
+        var mod = this._terminal.applicationCursor ? 'O' : '[';
+        return EscapeSequences_1.C0.ESC + mod + direction;
+    };
+    return AltClickHandler;
+}());
+exports.AltClickHandler = AltClickHandler;
+function repeat(count, str) {
+    count = Math.floor(count);
+    var rpt = '';
+    for (var i = 0; i < count; i++) {
+        rpt += str;
+    }
+    return rpt;
+}
+
+},{"../common/data/EscapeSequences":19}],23:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function prepareTextForTerminal(text) {
+    return text.replace(/\r?\n/g, '\r');
+}
+exports.prepareTextForTerminal = prepareTextForTerminal;
+function bracketTextForPaste(text, bracketedPasteMode) {
+    if (bracketedPasteMode) {
+        return '\x1b[200~' + text + '\x1b[201~';
+    }
+    return text;
+}
+exports.bracketTextForPaste = bracketTextForPaste;
+function copyHandler(ev, term, selectionManager) {
+    if (term.browser.isMSIE) {
+        window.clipboardData.setData('Text', selectionManager.selectionText);
+    }
+    else {
+        ev.clipboardData.setData('text/plain', selectionManager.selectionText);
+    }
+    ev.preventDefault();
+}
+exports.copyHandler = copyHandler;
+function pasteHandler(ev, term) {
+    ev.stopPropagation();
+    var text;
+    var dispatchPaste = function (text) {
+        text = prepareTextForTerminal(text);
+        text = bracketTextForPaste(text, term.bracketedPasteMode);
+        term.handler(text);
+        term.textarea.value = '';
+        term.emit('paste', text);
+        term.cancel(ev);
+    };
+    if (term.browser.isMSIE) {
+        if (window.clipboardData) {
+            text = window.clipboardData.getData('Text');
+            dispatchPaste(text);
+        }
+    }
+    else {
+        if (ev.clipboardData) {
+            text = ev.clipboardData.getData('text/plain');
+            dispatchPaste(text);
+        }
+    }
+}
+exports.pasteHandler = pasteHandler;
+function moveTextAreaUnderMouseCursor(ev, textarea) {
+    textarea.style.position = 'fixed';
+    textarea.style.width = '20px';
+    textarea.style.height = '20px';
+    textarea.style.left = (ev.clientX - 10) + 'px';
+    textarea.style.top = (ev.clientY - 10) + 'px';
+    textarea.style.zIndex = '1000';
+    textarea.focus();
+    setTimeout(function () {
+        textarea.style.position = null;
+        textarea.style.width = null;
+        textarea.style.height = null;
+        textarea.style.left = null;
+        textarea.style.top = null;
+        textarea.style.zIndex = null;
+    }, 200);
+}
+exports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor;
+function rightClickHandler(ev, textarea, selectionManager, shouldSelectWord) {
+    moveTextAreaUnderMouseCursor(ev, textarea);
+    if (shouldSelectWord && !selectionManager.isClickInSelection(ev)) {
+        selectionManager.selectWordAtCursor(ev);
+    }
+    textarea.value = selectionManager.selectionText;
+    textarea.select();
+}
+exports.rightClickHandler = rightClickHandler;
+
+},{}],24:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Terminal_1 = require("../Terminal");
+var Strings = require("../Strings");
+var Terminal = (function () {
+    function Terminal(options) {
+        this._core = new Terminal_1.Terminal(options);
+    }
+    Object.defineProperty(Terminal.prototype, "element", {
+        get: function () { return this._core.element; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(Terminal.prototype, "textarea", {
+        get: function () { return this._core.textarea; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(Terminal.prototype, "rows", {
+        get: function () { return this._core.rows; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(Terminal.prototype, "cols", {
+        get: function () { return this._core.cols; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(Terminal.prototype, "markers", {
+        get: function () { return this._core.markers; },
+        enumerable: true,
+        configurable: true
+    });
+    Terminal.prototype.blur = function () {
+        this._core.blur();
+    };
+    Terminal.prototype.focus = function () {
+        this._core.focus();
+    };
+    Terminal.prototype.on = function (type, listener) {
+        this._core.on(type, listener);
+    };
+    Terminal.prototype.off = function (type, listener) {
+        this._core.off(type, listener);
+    };
+    Terminal.prototype.emit = function (type, data) {
+        this._core.emit(type, data);
+    };
+    Terminal.prototype.addDisposableListener = function (type, handler) {
+        return this._core.addDisposableListener(type, handler);
+    };
+    Terminal.prototype.resize = function (columns, rows) {
+        this._core.resize(columns, rows);
+    };
+    Terminal.prototype.writeln = function (data) {
+        this._core.writeln(data);
+    };
+    Terminal.prototype.open = function (parent) {
+        this._core.open(parent);
+    };
+    Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
+        this._core.attachCustomKeyEventHandler(customKeyEventHandler);
+    };
+    Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
+        return this._core.registerLinkMatcher(regex, handler, options);
+    };
+    Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
+        this._core.deregisterLinkMatcher(matcherId);
+    };
+    Terminal.prototype.registerCharacterJoiner = function (handler) {
+        return this._core.registerCharacterJoiner(handler);
+    };
+    Terminal.prototype.deregisterCharacterJoiner = function (joinerId) {
+        this._core.deregisterCharacterJoiner(joinerId);
+    };
+    Terminal.prototype.addMarker = function (cursorYOffset) {
+        return this._core.addMarker(cursorYOffset);
+    };
+    Terminal.prototype.hasSelection = function () {
+        return this._core.hasSelection();
+    };
+    Terminal.prototype.getSelection = function () {
+        return this._core.getSelection();
+    };
+    Terminal.prototype.clearSelection = function () {
+        this._core.clearSelection();
+    };
+    Terminal.prototype.selectAll = function () {
+        this._core.selectAll();
+    };
+    Terminal.prototype.selectLines = function (start, end) {
+        this._core.selectLines(start, end);
+    };
+    Terminal.prototype.dispose = function () {
+        this._core.dispose();
+    };
+    Terminal.prototype.destroy = function () {
+        this._core.destroy();
+    };
+    Terminal.prototype.scrollLines = function (amount) {
+        this._core.scrollLines(amount);
+    };
+    Terminal.prototype.scrollPages = function (pageCount) {
+        this._core.scrollPages(pageCount);
+    };
+    Terminal.prototype.scrollToTop = function () {
+        this._core.scrollToTop();
+    };
+    Terminal.prototype.scrollToBottom = function () {
+        this._core.scrollToBottom();
+    };
+    Terminal.prototype.scrollToLine = function (line) {
+        this._core.scrollToLine(line);
+    };
+    Terminal.prototype.clear = function () {
+        this._core.clear();
+    };
+    Terminal.prototype.write = function (data) {
+        this._core.write(data);
+    };
+    Terminal.prototype.getOption = function (key) {
+        return this._core.getOption(key);
+    };
+    Terminal.prototype.setOption = function (key, value) {
+        this._core.setOption(key, value);
+    };
+    Terminal.prototype.refresh = function (start, end) {
+        this._core.refresh(start, end);
+    };
+    Terminal.prototype.reset = function () {
+        this._core.reset();
+    };
+    Terminal.applyAddon = function (addon) {
+        addon.apply(Terminal);
+    };
+    Object.defineProperty(Terminal, "strings", {
+        get: function () {
+            return Strings;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    return Terminal;
+}());
+exports.Terminal = Terminal;
+
+},{"../Strings":13,"../Terminal":14}],25:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Types_1 = require("./atlas/Types");
+var CharAtlasCache_1 = require("./atlas/CharAtlasCache");
+var Buffer_1 = require("../Buffer");
+var BaseRenderLayer = (function () {
+    function BaseRenderLayer(_container, id, zIndex, _alpha, _colors) {
+        this._container = _container;
+        this._alpha = _alpha;
+        this._colors = _colors;
+        this._scaledCharWidth = 0;
+        this._scaledCharHeight = 0;
+        this._scaledCellWidth = 0;
+        this._scaledCellHeight = 0;
+        this._scaledCharLeft = 0;
+        this._scaledCharTop = 0;
+        this._currentGlyphIdentifier = {
+            chars: '',
+            code: 0,
+            bg: 0,
+            fg: 0,
+            bold: false,
+            dim: false,
+            italic: false
+        };
+        this._canvas = document.createElement('canvas');
+        this._canvas.classList.add("xterm-" + id + "-layer");
+        this._canvas.style.zIndex = zIndex.toString();
+        this._initCanvas();
+        this._container.appendChild(this._canvas);
+    }
+    BaseRenderLayer.prototype.dispose = function () {
+        this._container.removeChild(this._canvas);
+        if (this._charAtlas) {
+            this._charAtlas.dispose();
+        }
+    };
+    BaseRenderLayer.prototype._initCanvas = function () {
+        this._ctx = this._canvas.getContext('2d', { alpha: this._alpha });
+        if (!this._alpha) {
+            this.clearAll();
+        }
+    };
+    BaseRenderLayer.prototype.onOptionsChanged = function (terminal) { };
+    BaseRenderLayer.prototype.onBlur = function (terminal) { };
+    BaseRenderLayer.prototype.onFocus = function (terminal) { };
+    BaseRenderLayer.prototype.onCursorMove = function (terminal) { };
+    BaseRenderLayer.prototype.onGridChanged = function (terminal, startRow, endRow) { };
+    BaseRenderLayer.prototype.onSelectionChanged = function (terminal, start, end, columnSelectMode) {
+        if (columnSelectMode === void 0) { columnSelectMode = false; }
+    };
+    BaseRenderLayer.prototype.onThemeChanged = function (terminal, colorSet) {
+        this._refreshCharAtlas(terminal, colorSet);
+    };
+    BaseRenderLayer.prototype.setTransparency = function (terminal, alpha) {
+        if (alpha === this._alpha) {
+            return;
+        }
+        var oldCanvas = this._canvas;
+        this._alpha = alpha;
+        this._canvas = this._canvas.cloneNode();
+        this._initCanvas();
+        this._container.replaceChild(this._canvas, oldCanvas);
+        this._refreshCharAtlas(terminal, this._colors);
+        this.onGridChanged(terminal, 0, terminal.rows - 1);
+    };
+    BaseRenderLayer.prototype._refreshCharAtlas = function (terminal, colorSet) {
+        if (this._scaledCharWidth <= 0 && this._scaledCharHeight <= 0) {
+            return;
+        }
+        this._charAtlas = CharAtlasCache_1.acquireCharAtlas(terminal, colorSet, this._scaledCharWidth, this._scaledCharHeight);
+        this._charAtlas.warmUp();
+    };
+    BaseRenderLayer.prototype.resize = function (terminal, dim) {
+        this._scaledCellWidth = dim.scaledCellWidth;
+        this._scaledCellHeight = dim.scaledCellHeight;
+        this._scaledCharWidth = dim.scaledCharWidth;
+        this._scaledCharHeight = dim.scaledCharHeight;
+        this._scaledCharLeft = dim.scaledCharLeft;
+        this._scaledCharTop = dim.scaledCharTop;
+        this._canvas.width = dim.scaledCanvasWidth;
+        this._canvas.height = dim.scaledCanvasHeight;
+        this._canvas.style.width = dim.canvasWidth + "px";
+        this._canvas.style.height = dim.canvasHeight + "px";
+        if (!this._alpha) {
+            this.clearAll();
+        }
+        this._refreshCharAtlas(terminal, this._colors);
+    };
+    BaseRenderLayer.prototype.fillCells = function (x, y, width, height) {
+        this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
+    };
+    BaseRenderLayer.prototype.fillBottomLineAtCells = function (x, y, width) {
+        if (width === void 0) { width = 1; }
+        this._ctx.fillRect(x * this._scaledCellWidth, (y + 1) * this._scaledCellHeight - window.devicePixelRatio - 1, width * this._scaledCellWidth, window.devicePixelRatio);
+    };
+    BaseRenderLayer.prototype.fillLeftLineAtCell = function (x, y) {
+        this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, window.devicePixelRatio, this._scaledCellHeight);
+    };
+    BaseRenderLayer.prototype.strokeRectAtCell = function (x, y, width, height) {
+        this._ctx.lineWidth = window.devicePixelRatio;
+        this._ctx.strokeRect(x * this._scaledCellWidth + window.devicePixelRatio / 2, y * this._scaledCellHeight + (window.devicePixelRatio / 2), width * this._scaledCellWidth - window.devicePixelRatio, (height * this._scaledCellHeight) - window.devicePixelRatio);
+    };
+    BaseRenderLayer.prototype.clearAll = function () {
+        if (this._alpha) {
+            this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
+        }
+        else {
+            this._ctx.fillStyle = this._colors.background.css;
+            this._ctx.fillRect(0, 0, this._canvas.width, this._canvas.height);
+        }
+    };
+    BaseRenderLayer.prototype.clearCells = function (x, y, width, height) {
+        if (this._alpha) {
+            this._ctx.clearRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
+        }
+        else {
+            this._ctx.fillStyle = this._colors.background.css;
+            this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
+        }
+    };
+    BaseRenderLayer.prototype.fillCharTrueColor = function (terminal, charData, x, y) {
+        this._ctx.font = this._getFont(terminal, false, false);
+        this._ctx.textBaseline = 'top';
+        this._clipRow(terminal, y);
+        this._ctx.fillText(charData[Buffer_1.CHAR_DATA_CHAR_INDEX], x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop);
+    };
+    BaseRenderLayer.prototype.drawChars = function (terminal, chars, code, width, x, y, fg, bg, bold, dim, italic) {
+        var drawInBrightColor = terminal.options.drawBoldTextInBrightColors && bold && fg < 8 && fg !== Types_1.INVERTED_DEFAULT_COLOR;
+        fg += drawInBrightColor ? 8 : 0;
+        this._currentGlyphIdentifier.chars = chars;
+        this._currentGlyphIdentifier.code = code;
+        this._currentGlyphIdentifier.bg = bg;
+        this._currentGlyphIdentifier.fg = fg;
+        this._currentGlyphIdentifier.bold = bold && terminal.options.enableBold;
+        this._currentGlyphIdentifier.dim = dim;
+        this._currentGlyphIdentifier.italic = italic;
+        var atlasDidDraw = this._charAtlas && this._charAtlas.draw(this._ctx, this._currentGlyphIdentifier, x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop);
+        if (!atlasDidDraw) {
+            this._drawUncachedChars(terminal, chars, width, fg, x, y, bold && terminal.options.enableBold, dim, italic);
+        }
+    };
+    BaseRenderLayer.prototype._drawUncachedChars = function (terminal, chars, width, fg, x, y, bold, dim, italic) {
+        this._ctx.save();
+        this._ctx.font = this._getFont(terminal, bold, italic);
+        this._ctx.textBaseline = 'top';
+        if (fg === Types_1.INVERTED_DEFAULT_COLOR) {
+            this._ctx.fillStyle = this._colors.background.css;
+        }
+        else if (fg < 256) {
+            this._ctx.fillStyle = this._colors.ansi[fg].css;
+        }
+        else {
+            this._ctx.fillStyle = this._colors.foreground.css;
+        }
+        this._clipRow(terminal, y);
+        if (dim) {
+            this._ctx.globalAlpha = Types_1.DIM_OPACITY;
+        }
+        this._ctx.fillText(chars, x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop);
+        this._ctx.restore();
+    };
+    BaseRenderLayer.prototype._clipRow = function (terminal, y) {
+        this._ctx.beginPath();
+        this._ctx.rect(0, y * this._scaledCellHeight, terminal.cols * this._scaledCellWidth, this._scaledCellHeight);
+        this._ctx.clip();
+    };
+    BaseRenderLayer.prototype._getFont = function (terminal, isBold, isItalic) {
+        var fontWeight = isBold ? terminal.options.fontWeightBold : terminal.options.fontWeight;
+        var fontStyle = isItalic ? 'italic' : '';
+        return fontStyle + " " + fontWeight + " " + terminal.options.fontSize * window.devicePixelRatio + "px " + terminal.options.fontFamily;
+    };
+    return BaseRenderLayer;
+}());
+exports.BaseRenderLayer = BaseRenderLayer;
+
+},{"../Buffer":2,"./atlas/CharAtlasCache":35,"./atlas/Types":41}],26:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("../Buffer");
+var CharacterJoinerRegistry = (function () {
+    function CharacterJoinerRegistry(_terminal) {
+        this._terminal = _terminal;
+        this._characterJoiners = [];
+        this._nextCharacterJoinerId = 0;
+    }
+    CharacterJoinerRegistry.prototype.registerCharacterJoiner = function (handler) {
+        var joiner = {
+            id: this._nextCharacterJoinerId++,
+            handler: handler
+        };
+        this._characterJoiners.push(joiner);
+        return joiner.id;
+    };
+    CharacterJoinerRegistry.prototype.deregisterCharacterJoiner = function (joinerId) {
+        for (var i = 0; i < this._characterJoiners.length; i++) {
+            if (this._characterJoiners[i].id === joinerId) {
+                this._characterJoiners.splice(i, 1);
+                return true;
+            }
+        }
+        return false;
+    };
+    CharacterJoinerRegistry.prototype.getJoinedCharacters = function (row) {
+        if (this._characterJoiners.length === 0) {
+            return [];
+        }
+        var line = this._terminal.buffer.lines.get(row);
+        if (line.length === 0) {
+            return [];
+        }
+        var ranges = [];
+        var lineStr = this._terminal.buffer.translateBufferLineToString(row, true);
+        var rangeStartColumn = 0;
+        var currentStringIndex = 0;
+        var rangeStartStringIndex = 0;
+        var rangeAttr = line.get(0)[Buffer_1.CHAR_DATA_ATTR_INDEX] >> 9;
+        for (var x = 0; x < this._terminal.cols; x++) {
+            var charData = line.get(x);
+            var chars = charData[Buffer_1.CHAR_DATA_CHAR_INDEX];
+            var width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+            var attr = charData[Buffer_1.CHAR_DATA_ATTR_INDEX] >> 9;
+            if (width === 0) {
+                continue;
+            }
+            if (attr !== rangeAttr) {
+                if (x - rangeStartColumn > 1) {
+                    var joinedRanges = this._getJoinedRanges(lineStr, rangeStartStringIndex, currentStringIndex, line, rangeStartColumn);
+                    for (var i = 0; i < joinedRanges.length; i++) {
+                        ranges.push(joinedRanges[i]);
+                    }
+                }
+                rangeStartColumn = x;
+                rangeStartStringIndex = currentStringIndex;
+                rangeAttr = attr;
+            }
+            currentStringIndex += chars.length;
+        }
+        if (this._terminal.cols - rangeStartColumn > 1) {
+            var joinedRanges = this._getJoinedRanges(lineStr, rangeStartStringIndex, currentStringIndex, line, rangeStartColumn);
+            for (var i = 0; i < joinedRanges.length; i++) {
+                ranges.push(joinedRanges[i]);
+            }
+        }
+        return ranges;
+    };
+    CharacterJoinerRegistry.prototype._getJoinedRanges = function (line, startIndex, endIndex, lineData, startCol) {
+        var text = line.substring(startIndex, endIndex);
+        var joinedRanges = this._characterJoiners[0].handler(text);
+        for (var i = 1; i < this._characterJoiners.length; i++) {
+            var joinerRanges = this._characterJoiners[i].handler(text);
+            for (var j = 0; j < joinerRanges.length; j++) {
+                CharacterJoinerRegistry._mergeRanges(joinedRanges, joinerRanges[j]);
+            }
+        }
+        this._stringRangesToCellRanges(joinedRanges, lineData, startCol);
+        return joinedRanges;
+    };
+    CharacterJoinerRegistry.prototype._stringRangesToCellRanges = function (ranges, line, startCol) {
+        var currentRangeIndex = 0;
+        var currentRangeStarted = false;
+        var currentStringIndex = 0;
+        var currentRange = ranges[currentRangeIndex];
+        if (!currentRange) {
+            return;
+        }
+        for (var x = startCol; x < this._terminal.cols; x++) {
+            var charData = line.get(x);
+            var width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+            var length_1 = charData[Buffer_1.CHAR_DATA_CHAR_INDEX].length;
+            if (width === 0) {
+                continue;
+            }
+            if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {
+                currentRange[0] = x;
+                currentRangeStarted = true;
+            }
+            if (currentRange[1] <= currentStringIndex) {
+                currentRange[1] = x;
+                currentRange = ranges[++currentRangeIndex];
+                if (!currentRange) {
+                    break;
+                }
+                if (currentRange[0] <= currentStringIndex) {
+                    currentRange[0] = x;
+                    currentRangeStarted = true;
+                }
+                else {
+                    currentRangeStarted = false;
+                }
+            }
+            currentStringIndex += length_1;
+        }
+        if (currentRange) {
+            currentRange[1] = this._terminal.cols;
+        }
+    };
+    CharacterJoinerRegistry._mergeRanges = function (ranges, newRange) {
+        var inRange = false;
+        for (var i = 0; i < ranges.length; i++) {
+            var range = ranges[i];
+            if (!inRange) {
+                if (newRange[1] <= range[0]) {
+                    ranges.splice(i, 0, newRange);
+                    return ranges;
+                }
+                if (newRange[1] <= range[1]) {
+                    range[0] = Math.min(newRange[0], range[0]);
+                    return ranges;
+                }
+                if (newRange[0] < range[1]) {
+                    range[0] = Math.min(newRange[0], range[0]);
+                    inRange = true;
+                }
+                continue;
+            }
+            else {
+                if (newRange[1] <= range[0]) {
+                    ranges[i - 1][1] = newRange[1];
+                    return ranges;
+                }
+                if (newRange[1] <= range[1]) {
+                    ranges[i - 1][1] = Math.max(newRange[1], range[1]);
+                    ranges.splice(i, 1);
+                    inRange = false;
+                    return ranges;
+                }
+                ranges.splice(i, 1);
+                i--;
+            }
+        }
+        if (inRange) {
+            ranges[ranges.length - 1][1] = newRange[1];
+        }
+        else {
+            ranges.push(newRange);
+        }
+        return ranges;
+    };
+    return CharacterJoinerRegistry;
+}());
+exports.CharacterJoinerRegistry = CharacterJoinerRegistry;
+
+},{"../Buffer":2}],27:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var DEFAULT_FOREGROUND = fromHex('#ffffff');
+var DEFAULT_BACKGROUND = fromHex('#000000');
+var DEFAULT_CURSOR = fromHex('#ffffff');
+var DEFAULT_CURSOR_ACCENT = fromHex('#000000');
+var DEFAULT_SELECTION = {
+    css: 'rgba(255, 255, 255, 0.3)',
+    rgba: 0xFFFFFF77
+};
+exports.DEFAULT_ANSI_COLORS = (function () {
+    var colors = [
+        fromHex('#2e3436'),
+        fromHex('#cc0000'),
+        fromHex('#4e9a06'),
+        fromHex('#c4a000'),
+        fromHex('#3465a4'),
+        fromHex('#75507b'),
+        fromHex('#06989a'),
+        fromHex('#d3d7cf'),
+        fromHex('#555753'),
+        fromHex('#ef2929'),
+        fromHex('#8ae234'),
+        fromHex('#fce94f'),
+        fromHex('#729fcf'),
+        fromHex('#ad7fa8'),
+        fromHex('#34e2e2'),
+        fromHex('#eeeeec')
+    ];
+    var v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
+    for (var i = 0; i < 216; i++) {
+        var r = v[(i / 36) % 6 | 0];
+        var g = v[(i / 6) % 6 | 0];
+        var b = v[i % 6];
+        colors.push({
+            css: "#" + toPaddedHex(r) + toPaddedHex(g) + toPaddedHex(b),
+            rgba: ((r << 24) | (g << 16) | (b << 8) | 0xFF) >>> 0
+        });
+    }
+    for (var i = 0; i < 24; i++) {
+        var c = 8 + i * 10;
+        var ch = toPaddedHex(c);
+        colors.push({
+            css: "#" + ch + ch + ch,
+            rgba: ((c << 24) | (c << 16) | (c << 8) | 0xFF) >>> 0
+        });
+    }
+    return colors;
+})();
+function fromHex(css) {
+    return {
+        css: css,
+        rgba: parseInt(css.slice(1), 16) << 8 | 0xFF
+    };
+}
+function toPaddedHex(c) {
+    var s = c.toString(16);
+    return s.length < 2 ? '0' + s : s;
+}
+var ColorManager = (function () {
+    function ColorManager(document, allowTransparency) {
+        this.allowTransparency = allowTransparency;
+        var canvas = document.createElement('canvas');
+        canvas.width = 1;
+        canvas.height = 1;
+        this._ctx = canvas.getContext('2d');
+        this._ctx.globalCompositeOperation = 'copy';
+        this._litmusColor = this._ctx.createLinearGradient(0, 0, 1, 1);
+        this.colors = {
+            foreground: DEFAULT_FOREGROUND,
+            background: DEFAULT_BACKGROUND,
+            cursor: DEFAULT_CURSOR,
+            cursorAccent: DEFAULT_CURSOR_ACCENT,
+            selection: DEFAULT_SELECTION,
+            ansi: exports.DEFAULT_ANSI_COLORS.slice()
+        };
+    }
+    ColorManager.prototype.setTheme = function (theme) {
+        this.colors.foreground = this._parseColor(theme.foreground, DEFAULT_FOREGROUND);
+        this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);
+        this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);
+        this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);
+        this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);
+        this.colors.ansi[0] = this._parseColor(theme.black, exports.DEFAULT_ANSI_COLORS[0]);
+        this.colors.ansi[1] = this._parseColor(theme.red, exports.DEFAULT_ANSI_COLORS[1]);
+        this.colors.ansi[2] = this._parseColor(theme.green, exports.DEFAULT_ANSI_COLORS[2]);
+        this.colors.ansi[3] = this._parseColor(theme.yellow, exports.DEFAULT_ANSI_COLORS[3]);
+        this.colors.ansi[4] = this._parseColor(theme.blue, exports.DEFAULT_ANSI_COLORS[4]);
+        this.colors.ansi[5] = this._parseColor(theme.magenta, exports.DEFAULT_ANSI_COLORS[5]);
+        this.colors.ansi[6] = this._parseColor(theme.cyan, exports.DEFAULT_ANSI_COLORS[6]);
+        this.colors.ansi[7] = this._parseColor(theme.white, exports.DEFAULT_ANSI_COLORS[7]);
+        this.colors.ansi[8] = this._parseColor(theme.brightBlack, exports.DEFAULT_ANSI_COLORS[8]);
+        this.colors.ansi[9] = this._parseColor(theme.brightRed, exports.DEFAULT_ANSI_COLORS[9]);
+        this.colors.ansi[10] = this._parseColor(theme.brightGreen, exports.DEFAULT_ANSI_COLORS[10]);
+        this.colors.ansi[11] = this._parseColor(theme.brightYellow, exports.DEFAULT_ANSI_COLORS[11]);
+        this.colors.ansi[12] = this._parseColor(theme.brightBlue, exports.DEFAULT_ANSI_COLORS[12]);
+        this.colors.ansi[13] = this._parseColor(theme.brightMagenta, exports.DEFAULT_ANSI_COLORS[13]);
+        this.colors.ansi[14] = this._parseColor(theme.brightCyan, exports.DEFAULT_ANSI_COLORS[14]);
+        this.colors.ansi[15] = this._parseColor(theme.brightWhite, exports.DEFAULT_ANSI_COLORS[15]);
+    };
+    ColorManager.prototype._parseColor = function (css, fallback, allowTransparency) {
+        if (allowTransparency === void 0) { allowTransparency = this.allowTransparency; }
+        if (!css) {
+            return fallback;
+        }
+        this._ctx.fillStyle = this._litmusColor;
+        this._ctx.fillStyle = css;
+        if (typeof this._ctx.fillStyle !== 'string') {
+            console.warn("Color: " + css + " is invalid using fallback " + fallback.css);
+            return fallback;
+        }
+        this._ctx.fillRect(0, 0, 1, 1);
+        var data = this._ctx.getImageData(0, 0, 1, 1).data;
+        if (!allowTransparency && data[3] !== 0xFF) {
+            console.warn("Color: " + css + " is using transparency, but allowTransparency is false. " +
+                ("Using fallback " + fallback.css + "."));
+            return fallback;
+        }
+        return {
+            css: css,
+            rgba: (data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3]) >>> 0
+        };
+    };
+    return ColorManager;
+}());
+exports.ColorManager = ColorManager;
+
+},{}],28:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("../Buffer");
+var BaseRenderLayer_1 = require("./BaseRenderLayer");
+var BLINK_INTERVAL = 600;
+var CursorRenderLayer = (function (_super) {
+    __extends(CursorRenderLayer, _super);
+    function CursorRenderLayer(container, zIndex, colors) {
+        var _this = _super.call(this, container, 'cursor', zIndex, true, colors) || this;
+        _this._state = {
+            x: null,
+            y: null,
+            isFocused: null,
+            style: null,
+            width: null
+        };
+        _this._cursorRenderers = {
+            'bar': _this._renderBarCursor.bind(_this),
+            'block': _this._renderBlockCursor.bind(_this),
+            'underline': _this._renderUnderlineCursor.bind(_this)
+        };
+        return _this;
+    }
+    CursorRenderLayer.prototype.resize = function (terminal, dim) {
+        _super.prototype.resize.call(this, terminal, dim);
+        this._state = {
+            x: null,
+            y: null,
+            isFocused: null,
+            style: null,
+            width: null
+        };
+    };
+    CursorRenderLayer.prototype.reset = function (terminal) {
+        this._clearCursor();
+        if (this._cursorBlinkStateManager) {
+            this._cursorBlinkStateManager.dispose();
+            this._cursorBlinkStateManager = null;
+            this.onOptionsChanged(terminal);
+        }
+    };
+    CursorRenderLayer.prototype.onBlur = function (terminal) {
+        if (this._cursorBlinkStateManager) {
+            this._cursorBlinkStateManager.pause();
+        }
+        terminal.refresh(terminal.buffer.y, terminal.buffer.y);
+    };
+    CursorRenderLayer.prototype.onFocus = function (terminal) {
+        if (this._cursorBlinkStateManager) {
+            this._cursorBlinkStateManager.resume(terminal);
+        }
+        else {
+            terminal.refresh(terminal.buffer.y, terminal.buffer.y);
+        }
+    };
+    CursorRenderLayer.prototype.onOptionsChanged = function (terminal) {
+        var _this = this;
+        if (terminal.options.cursorBlink) {
+            if (!this._cursorBlinkStateManager) {
+                this._cursorBlinkStateManager = new CursorBlinkStateManager(terminal, function () {
+                    _this._render(terminal, true);
+                });
+            }
+        }
+        else {
+            if (this._cursorBlinkStateManager) {
+                this._cursorBlinkStateManager.dispose();
+                this._cursorBlinkStateManager = null;
+            }
+            terminal.refresh(terminal.buffer.y, terminal.buffer.y);
+        }
+    };
+    CursorRenderLayer.prototype.onCursorMove = function (terminal) {
+        if (this._cursorBlinkStateManager) {
+            this._cursorBlinkStateManager.restartBlinkAnimation(terminal);
+        }
+    };
+    CursorRenderLayer.prototype.onGridChanged = function (terminal, startRow, endRow) {
+        if (!this._cursorBlinkStateManager || this._cursorBlinkStateManager.isPaused) {
+            this._render(terminal, false);
+        }
+        else {
+            this._cursorBlinkStateManager.restartBlinkAnimation(terminal);
+        }
+    };
+    CursorRenderLayer.prototype._render = function (terminal, triggeredByAnimationFrame) {
+        if (!terminal.cursorState || terminal.cursorHidden) {
+            this._clearCursor();
+            return;
+        }
+        var cursorY = terminal.buffer.ybase + terminal.buffer.y;
+        var viewportRelativeCursorY = cursorY - terminal.buffer.ydisp;
+        if (viewportRelativeCursorY < 0 || viewportRelativeCursorY >= terminal.rows) {
+            this._clearCursor();
+            return;
+        }
+        var charData = terminal.buffer.lines.get(cursorY).get(terminal.buffer.x);
+        if (!charData) {
+            return;
+        }
+        if (!terminal.isFocused) {
+            this._clearCursor();
+            this._ctx.save();
+            this._ctx.fillStyle = this._colors.cursor.css;
+            this._renderBlurCursor(terminal, terminal.buffer.x, viewportRelativeCursorY, charData);
+            this._ctx.restore();
+            this._state.x = terminal.buffer.x;
+            this._state.y = viewportRelativeCursorY;
+            this._state.isFocused = false;
+            this._state.style = terminal.options.cursorStyle;
+            this._state.width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+            return;
+        }
+        if (this._cursorBlinkStateManager && !this._cursorBlinkStateManager.isCursorVisible) {
+            this._clearCursor();
+            return;
+        }
+        if (this._state) {
+            if (this._state.x === terminal.buffer.x &&
+                this._state.y === viewportRelativeCursorY &&
+                this._state.isFocused === terminal.isFocused &&
+                this._state.style === terminal.options.cursorStyle &&
+                this._state.width === charData[Buffer_1.CHAR_DATA_WIDTH_INDEX]) {
+                return;
+            }
+            this._clearCursor();
+        }
+        this._ctx.save();
+        this._cursorRenderers[terminal.options.cursorStyle || 'block'](terminal, terminal.buffer.x, viewportRelativeCursorY, charData);
+        this._ctx.restore();
+        this._state.x = terminal.buffer.x;
+        this._state.y = viewportRelativeCursorY;
+        this._state.isFocused = false;
+        this._state.style = terminal.options.cursorStyle;
+        this._state.width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+    };
+    CursorRenderLayer.prototype._clearCursor = function () {
+        if (this._state) {
+            this.clearCells(this._state.x, this._state.y, this._state.width, 1);
+            this._state = {
+                x: null,
+                y: null,
+                isFocused: null,
+                style: null,
+                width: null
+            };
+        }
+    };
+    CursorRenderLayer.prototype._renderBarCursor = function (terminal, x, y, charData) {
+        this._ctx.save();
+        this._ctx.fillStyle = this._colors.cursor.css;
+        this.fillLeftLineAtCell(x, y);
+        this._ctx.restore();
+    };
+    CursorRenderLayer.prototype._renderBlockCursor = function (terminal, x, y, charData) {
+        this._ctx.save();
+        this._ctx.fillStyle = this._colors.cursor.css;
+        this.fillCells(x, y, charData[Buffer_1.CHAR_DATA_WIDTH_INDEX], 1);
+        this._ctx.fillStyle = this._colors.cursorAccent.css;
+        this.fillCharTrueColor(terminal, charData, x, y);
+        this._ctx.restore();
+    };
+    CursorRenderLayer.prototype._renderUnderlineCursor = function (terminal, x, y, charData) {
+        this._ctx.save();
+        this._ctx.fillStyle = this._colors.cursor.css;
+        this.fillBottomLineAtCells(x, y);
+        this._ctx.restore();
+    };
+    CursorRenderLayer.prototype._renderBlurCursor = function (terminal, x, y, charData) {
+        this._ctx.save();
+        this._ctx.strokeStyle = this._colors.cursor.css;
+        this.strokeRectAtCell(x, y, charData[Buffer_1.CHAR_DATA_WIDTH_INDEX], 1);
+        this._ctx.restore();
+    };
+    return CursorRenderLayer;
+}(BaseRenderLayer_1.BaseRenderLayer));
+exports.CursorRenderLayer = CursorRenderLayer;
+var CursorBlinkStateManager = (function () {
+    function CursorBlinkStateManager(terminal, _renderCallback) {
+        this._renderCallback = _renderCallback;
+        this.isCursorVisible = true;
+        if (terminal.isFocused) {
+            this._restartInterval();
+        }
+    }
+    Object.defineProperty(CursorBlinkStateManager.prototype, "isPaused", {
+        get: function () { return !(this._blinkStartTimeout || this._blinkInterval); },
+        enumerable: true,
+        configurable: true
+    });
+    CursorBlinkStateManager.prototype.dispose = function () {
+        if (this._blinkInterval) {
+            window.clearInterval(this._blinkInterval);
+            this._blinkInterval = null;
+        }
+        if (this._blinkStartTimeout) {
+            window.clearTimeout(this._blinkStartTimeout);
+            this._blinkStartTimeout = null;
+        }
+        if (this._animationFrame) {
+            window.cancelAnimationFrame(this._animationFrame);
+            this._animationFrame = null;
+        }
+    };
+    CursorBlinkStateManager.prototype.restartBlinkAnimation = function (terminal) {
+        var _this = this;
+        if (this.isPaused) {
+            return;
+        }
+        this._animationTimeRestarted = Date.now();
+        this.isCursorVisible = true;
+        if (!this._animationFrame) {
+            this._animationFrame = window.requestAnimationFrame(function () {
+                _this._renderCallback();
+                _this._animationFrame = null;
+            });
+        }
+    };
+    CursorBlinkStateManager.prototype._restartInterval = function (timeToStart) {
+        var _this = this;
+        if (timeToStart === void 0) { timeToStart = BLINK_INTERVAL; }
+        if (this._blinkInterval) {
+            window.clearInterval(this._blinkInterval);
+        }
+        this._blinkStartTimeout = setTimeout(function () {
+            if (_this._animationTimeRestarted) {
+                var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
+                _this._animationTimeRestarted = null;
+                if (time > 0) {
+                    _this._restartInterval(time);
+                    return;
+                }
+            }
+            _this.isCursorVisible = false;
+            _this._animationFrame = window.requestAnimationFrame(function () {
+                _this._renderCallback();
+                _this._animationFrame = null;
+            });
+            _this._blinkInterval = setInterval(function () {
+                if (_this._animationTimeRestarted) {
+                    var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
+                    _this._animationTimeRestarted = null;
+                    _this._restartInterval(time);
+                    return;
+                }
+                _this.isCursorVisible = !_this.isCursorVisible;
+                _this._animationFrame = window.requestAnimationFrame(function () {
+                    _this._renderCallback();
+                    _this._animationFrame = null;
+                });
+            }, BLINK_INTERVAL);
+        }, timeToStart);
+    };
+    CursorBlinkStateManager.prototype.pause = function () {
+        this.isCursorVisible = true;
+        if (this._blinkInterval) {
+            window.clearInterval(this._blinkInterval);
+            this._blinkInterval = null;
+        }
+        if (this._blinkStartTimeout) {
+            window.clearTimeout(this._blinkStartTimeout);
+            this._blinkStartTimeout = null;
+        }
+        if (this._animationFrame) {
+            window.cancelAnimationFrame(this._animationFrame);
+            this._animationFrame = null;
+        }
+    };
+    CursorBlinkStateManager.prototype.resume = function (terminal) {
+        this._animationTimeRestarted = null;
+        this._restartInterval();
+        this.restartBlinkAnimation(terminal);
+    };
+    return CursorBlinkStateManager;
+}());
+
+},{"../Buffer":2,"./BaseRenderLayer":25}],29:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var GridCache = (function () {
+    function GridCache() {
+        this.cache = [];
+    }
+    GridCache.prototype.resize = function (width, height) {
+        for (var x = 0; x < width; x++) {
+            if (this.cache.length <= x) {
+                this.cache.push([]);
+            }
+            for (var y = this.cache[x].length; y < height; y++) {
+                this.cache[x].push(null);
+            }
+            this.cache[x].length = height;
+        }
+        this.cache.length = width;
+    };
+    GridCache.prototype.clear = function () {
+        for (var x = 0; x < this.cache.length; x++) {
+            for (var y = 0; y < this.cache[x].length; y++) {
+                this.cache[x][y] = null;
+            }
+        }
+    };
+    return GridCache;
+}());
+exports.GridCache = GridCache;
+
+},{}],30:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var BaseRenderLayer_1 = require("./BaseRenderLayer");
+var Types_1 = require("./atlas/Types");
+var LinkRenderLayer = (function (_super) {
+    __extends(LinkRenderLayer, _super);
+    function LinkRenderLayer(container, zIndex, colors, terminal) {
+        var _this = _super.call(this, container, 'link', zIndex, true, colors) || this;
+        _this._state = null;
+        terminal.linkifier.on("linkhover", function (e) { return _this._onLinkHover(e); });
+        terminal.linkifier.on("linkleave", function (e) { return _this._onLinkLeave(e); });
+        return _this;
+    }
+    LinkRenderLayer.prototype.resize = function (terminal, dim) {
+        _super.prototype.resize.call(this, terminal, dim);
+        this._state = null;
+    };
+    LinkRenderLayer.prototype.reset = function (terminal) {
+        this._clearCurrentLink();
+    };
+    LinkRenderLayer.prototype._clearCurrentLink = function () {
+        if (this._state) {
+            this.clearCells(this._state.x1, this._state.y1, this._state.cols - this._state.x1, 1);
+            var middleRowCount = this._state.y2 - this._state.y1 - 1;
+            if (middleRowCount > 0) {
+                this.clearCells(0, this._state.y1 + 1, this._state.cols, middleRowCount);
+            }
+            this.clearCells(0, this._state.y2, this._state.x2, 1);
+            this._state = null;
+        }
+    };
+    LinkRenderLayer.prototype._onLinkHover = function (e) {
+        if (e.fg === Types_1.INVERTED_DEFAULT_COLOR) {
+            this._ctx.fillStyle = this._colors.background.css;
+        }
+        else if (e.fg < 256) {
+            this._ctx.fillStyle = this._colors.ansi[e.fg].css;
+        }
+        else {
+            this._ctx.fillStyle = this._colors.foreground.css;
+        }
+        if (e.y1 === e.y2) {
+            this.fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);
+        }
+        else {
+            this.fillBottomLineAtCells(e.x1, e.y1, e.cols - e.x1);
+            for (var y = e.y1 + 1; y < e.y2; y++) {
+                this.fillBottomLineAtCells(0, y, e.cols);
+            }
+            this.fillBottomLineAtCells(0, e.y2, e.x2);
+        }
+        this._state = e;
+    };
+    LinkRenderLayer.prototype._onLinkLeave = function (e) {
+        this._clearCurrentLink();
+    };
+    return LinkRenderLayer;
+}(BaseRenderLayer_1.BaseRenderLayer));
+exports.LinkRenderLayer = LinkRenderLayer;
+
+},{"./BaseRenderLayer":25,"./atlas/Types":41}],31:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var TextRenderLayer_1 = require("./TextRenderLayer");
+var SelectionRenderLayer_1 = require("./SelectionRenderLayer");
+var CursorRenderLayer_1 = require("./CursorRenderLayer");
+var ColorManager_1 = require("./ColorManager");
+var LinkRenderLayer_1 = require("./LinkRenderLayer");
+var EventEmitter_1 = require("../common/EventEmitter");
+var RenderDebouncer_1 = require("../ui/RenderDebouncer");
+var ScreenDprMonitor_1 = require("../ui/ScreenDprMonitor");
+var CharacterJoinerRegistry_1 = require("../renderer/CharacterJoinerRegistry");
+var Renderer = (function (_super) {
+    __extends(Renderer, _super);
+    function Renderer(_terminal, theme) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._isPaused = false;
+        _this._needsFullRefresh = false;
+        var allowTransparency = _this._terminal.options.allowTransparency;
+        _this.colorManager = new ColorManager_1.ColorManager(document, allowTransparency);
+        _this._characterJoinerRegistry = new CharacterJoinerRegistry_1.CharacterJoinerRegistry(_terminal);
+        if (theme) {
+            _this.colorManager.setTheme(theme);
+        }
+        _this._renderLayers = [
+            new TextRenderLayer_1.TextRenderLayer(_this._terminal.screenElement, 0, _this.colorManager.colors, _this._characterJoinerRegistry, allowTransparency),
+            new SelectionRenderLayer_1.SelectionRenderLayer(_this._terminal.screenElement, 1, _this.colorManager.colors),
+            new LinkRenderLayer_1.LinkRenderLayer(_this._terminal.screenElement, 2, _this.colorManager.colors, _this._terminal),
+            new CursorRenderLayer_1.CursorRenderLayer(_this._terminal.screenElement, 3, _this.colorManager.colors)
+        ];
+        _this.dimensions = {
+            scaledCharWidth: null,
+            scaledCharHeight: null,
+            scaledCellWidth: null,
+            scaledCellHeight: null,
+            scaledCharLeft: null,
+            scaledCharTop: null,
+            scaledCanvasWidth: null,
+            scaledCanvasHeight: null,
+            canvasWidth: null,
+            canvasHeight: null,
+            actualCellWidth: null,
+            actualCellHeight: null
+        };
+        _this._devicePixelRatio = window.devicePixelRatio;
+        _this._updateDimensions();
+        _this.onOptionsChanged();
+        _this._renderDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._terminal, _this._renderRows.bind(_this));
+        _this._screenDprMonitor = new ScreenDprMonitor_1.ScreenDprMonitor();
+        _this._screenDprMonitor.setListener(function () { return _this.onWindowResize(window.devicePixelRatio); });
+        _this.register(_this._screenDprMonitor);
+        if ('IntersectionObserver' in window) {
+            var observer_1 = new IntersectionObserver(function (e) { return _this.onIntersectionChange(e[0]); }, { threshold: 0 });
+            observer_1.observe(_this._terminal.element);
+            _this.register({ dispose: function () { return observer_1.disconnect(); } });
+        }
+        return _this;
+    }
+    Renderer.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._renderLayers.forEach(function (l) { return l.dispose(); });
+    };
+    Renderer.prototype.onIntersectionChange = function (entry) {
+        this._isPaused = entry.intersectionRatio === 0;
+        if (!this._isPaused && this._needsFullRefresh) {
+            this._terminal.refresh(0, this._terminal.rows - 1);
+        }
+    };
+    Renderer.prototype.onWindowResize = function (devicePixelRatio) {
+        if (this._devicePixelRatio !== devicePixelRatio) {
+            this._devicePixelRatio = devicePixelRatio;
+            this.onResize(this._terminal.cols, this._terminal.rows);
+        }
+    };
+    Renderer.prototype.setTheme = function (theme) {
+        var _this = this;
+        this.colorManager.setTheme(theme);
+        this._renderLayers.forEach(function (l) {
+            l.onThemeChanged(_this._terminal, _this.colorManager.colors);
+            l.reset(_this._terminal);
+        });
+        if (this._isPaused) {
+            this._needsFullRefresh = true;
+        }
+        else {
+            this._terminal.refresh(0, this._terminal.rows - 1);
+        }
+        return this.colorManager.colors;
+    };
+    Renderer.prototype.onResize = function (cols, rows) {
+        var _this = this;
+        this._updateDimensions();
+        this._renderLayers.forEach(function (l) { return l.resize(_this._terminal, _this.dimensions); });
+        if (this._isPaused) {
+            this._needsFullRefresh = true;
+        }
+        else {
+            this._terminal.refresh(0, this._terminal.rows - 1);
+        }
+        this._terminal.screenElement.style.width = this.dimensions.canvasWidth + "px";
+        this._terminal.screenElement.style.height = this.dimensions.canvasHeight + "px";
+        this.emit('resize', {
+            width: this.dimensions.canvasWidth,
+            height: this.dimensions.canvasHeight
+        });
+    };
+    Renderer.prototype.onCharSizeChanged = function () {
+        this.onResize(this._terminal.cols, this._terminal.rows);
+    };
+    Renderer.prototype.onBlur = function () {
+        var _this = this;
+        this._runOperation(function (l) { return l.onBlur(_this._terminal); });
+    };
+    Renderer.prototype.onFocus = function () {
+        var _this = this;
+        this._runOperation(function (l) { return l.onFocus(_this._terminal); });
+    };
+    Renderer.prototype.onSelectionChanged = function (start, end, columnSelectMode) {
+        var _this = this;
+        if (columnSelectMode === void 0) { columnSelectMode = false; }
+        this._runOperation(function (l) { return l.onSelectionChanged(_this._terminal, start, end, columnSelectMode); });
+    };
+    Renderer.prototype.onCursorMove = function () {
+        var _this = this;
+        this._runOperation(function (l) { return l.onCursorMove(_this._terminal); });
+    };
+    Renderer.prototype.onOptionsChanged = function () {
+        var _this = this;
+        this.colorManager.allowTransparency = this._terminal.options.allowTransparency;
+        this._runOperation(function (l) { return l.onOptionsChanged(_this._terminal); });
+    };
+    Renderer.prototype.clear = function () {
+        var _this = this;
+        this._runOperation(function (l) { return l.reset(_this._terminal); });
+    };
+    Renderer.prototype._runOperation = function (operation) {
+        if (this._isPaused) {
+            this._needsFullRefresh = true;
+        }
+        else {
+            this._renderLayers.forEach(function (l) { return operation(l); });
+        }
+    };
+    Renderer.prototype.refreshRows = function (start, end) {
+        if (this._isPaused) {
+            this._needsFullRefresh = true;
+            return;
+        }
+        this._renderDebouncer.refresh(start, end);
+    };
+    Renderer.prototype._renderRows = function (start, end) {
+        var _this = this;
+        this._renderLayers.forEach(function (l) { return l.onGridChanged(_this._terminal, start, end); });
+        this._terminal.emit('refresh', { start: start, end: end });
+    };
+    Renderer.prototype._updateDimensions = function () {
+        if (!this._terminal.charMeasure.width || !this._terminal.charMeasure.height) {
+            return;
+        }
+        this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);
+        this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);
+        this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);
+        this.dimensions.scaledCharTop = this._terminal.options.lineHeight === 1 ? 0 : Math.round((this.dimensions.scaledCellHeight - this.dimensions.scaledCharHeight) / 2);
+        this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);
+        this.dimensions.scaledCharLeft = Math.floor(this._terminal.options.letterSpacing / 2);
+        this.dimensions.scaledCanvasHeight = this._terminal.rows * this.dimensions.scaledCellHeight;
+        this.dimensions.scaledCanvasWidth = this._terminal.cols * this.dimensions.scaledCellWidth;
+        this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);
+        this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);
+        this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;
+        this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;
+    };
+    Renderer.prototype.registerCharacterJoiner = function (handler) {
+        return this._characterJoinerRegistry.registerCharacterJoiner(handler);
+    };
+    Renderer.prototype.deregisterCharacterJoiner = function (joinerId) {
+        return this._characterJoinerRegistry.deregisterCharacterJoiner(joinerId);
+    };
+    return Renderer;
+}(EventEmitter_1.EventEmitter));
+exports.Renderer = Renderer;
+
+},{"../common/EventEmitter":17,"../renderer/CharacterJoinerRegistry":26,"../ui/RenderDebouncer":50,"../ui/ScreenDprMonitor":51,"./ColorManager":27,"./CursorRenderLayer":28,"./LinkRenderLayer":30,"./SelectionRenderLayer":32,"./TextRenderLayer":33}],32:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var BaseRenderLayer_1 = require("./BaseRenderLayer");
+var SelectionRenderLayer = (function (_super) {
+    __extends(SelectionRenderLayer, _super);
+    function SelectionRenderLayer(container, zIndex, colors) {
+        var _this = _super.call(this, container, 'selection', zIndex, true, colors) || this;
+        _this._clearState();
+        return _this;
+    }
+    SelectionRenderLayer.prototype._clearState = function () {
+        this._state = {
+            start: null,
+            end: null,
+            columnSelectMode: null,
+            ydisp: null
+        };
+    };
+    SelectionRenderLayer.prototype.resize = function (terminal, dim) {
+        _super.prototype.resize.call(this, terminal, dim);
+        this._clearState();
+    };
+    SelectionRenderLayer.prototype.reset = function (terminal) {
+        if (this._state.start && this._state.end) {
+            this._clearState();
+            this.clearAll();
+        }
+    };
+    SelectionRenderLayer.prototype.onSelectionChanged = function (terminal, start, end, columnSelectMode) {
+        if (!this._didStateChange(start, end, columnSelectMode, terminal.buffer.ydisp)) {
+            return;
+        }
+        this.clearAll();
+        if (!start || !end) {
+            return;
+        }
+        var viewportStartRow = start[1] - terminal.buffer.ydisp;
+        var viewportEndRow = end[1] - terminal.buffer.ydisp;
+        var viewportCappedStartRow = Math.max(viewportStartRow, 0);
+        var viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);
+        if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {
+            return;
+        }
+        this._ctx.fillStyle = this._colors.selection.css;
+        if (columnSelectMode) {
+            var startCol = start[0];
+            var width = end[0] - startCol;
+            var height = viewportCappedEndRow - viewportCappedStartRow + 1;
+            this.fillCells(startCol, viewportCappedStartRow, width, height);
+        }
+        else {
+            var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+            var startRowEndCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : terminal.cols;
+            this.fillCells(startCol, viewportCappedStartRow, startRowEndCol - startCol, 1);
+            var middleRowsCount = Math.max(viewportCappedEndRow - viewportCappedStartRow - 1, 0);
+            this.fillCells(0, viewportCappedStartRow + 1, terminal.cols, middleRowsCount);
+            if (viewportCappedStartRow !== viewportCappedEndRow) {
+                var endCol = viewportEndRow === viewportCappedEndRow ? end[0] : terminal.cols;
+                this.fillCells(0, viewportCappedEndRow, endCol, 1);
+            }
+        }
+        this._state.start = [start[0], start[1]];
+        this._state.end = [end[0], end[1]];
+        this._state.columnSelectMode = columnSelectMode;
+        this._state.ydisp = terminal.buffer.ydisp;
+    };
+    SelectionRenderLayer.prototype._didStateChange = function (start, end, columnSelectMode, ydisp) {
+        return !this._areCoordinatesEqual(start, this._state.start) ||
+            !this._areCoordinatesEqual(end, this._state.end) ||
+            columnSelectMode !== this._state.columnSelectMode ||
+            ydisp !== this._state.ydisp;
+    };
+    SelectionRenderLayer.prototype._areCoordinatesEqual = function (coord1, coord2) {
+        if (!coord1 || !coord2) {
+            return false;
+        }
+        return coord1[0] === coord2[0] && coord1[1] === coord2[1];
+    };
+    return SelectionRenderLayer;
+}(BaseRenderLayer_1.BaseRenderLayer));
+exports.SelectionRenderLayer = SelectionRenderLayer;
+
+},{"./BaseRenderLayer":25}],33:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("../Buffer");
+var Types_1 = require("./atlas/Types");
+var GridCache_1 = require("./GridCache");
+var BaseRenderLayer_1 = require("./BaseRenderLayer");
+var TextRenderLayer = (function (_super) {
+    __extends(TextRenderLayer, _super);
+    function TextRenderLayer(container, zIndex, colors, characterJoinerRegistry, alpha) {
+        var _this = _super.call(this, container, 'text', zIndex, alpha, colors) || this;
+        _this._characterOverlapCache = {};
+        _this._state = new GridCache_1.GridCache();
+        _this._characterJoinerRegistry = characterJoinerRegistry;
+        return _this;
+    }
+    TextRenderLayer.prototype.resize = function (terminal, dim) {
+        _super.prototype.resize.call(this, terminal, dim);
+        var terminalFont = this._getFont(terminal, false, false);
+        if (this._characterWidth !== dim.scaledCharWidth || this._characterFont !== terminalFont) {
+            this._characterWidth = dim.scaledCharWidth;
+            this._characterFont = terminalFont;
+            this._characterOverlapCache = {};
+        }
+        this._state.clear();
+        this._state.resize(terminal.cols, terminal.rows);
+    };
+    TextRenderLayer.prototype.reset = function (terminal) {
+        this._state.clear();
+        this.clearAll();
+    };
+    TextRenderLayer.prototype._forEachCell = function (terminal, firstRow, lastRow, joinerRegistry, callback) {
+        for (var y = firstRow; y <= lastRow; y++) {
+            var row = y + terminal.buffer.ydisp;
+            var line = terminal.buffer.lines.get(row);
+            var joinedRanges = joinerRegistry ? joinerRegistry.getJoinedCharacters(row) : [];
+            for (var x = 0; x < terminal.cols; x++) {
+                var charData = line.get(x);
+                var code = charData[Buffer_1.CHAR_DATA_CODE_INDEX];
+                var chars = charData[Buffer_1.CHAR_DATA_CHAR_INDEX];
+                var attr = charData[Buffer_1.CHAR_DATA_ATTR_INDEX];
+                var width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+                var isJoined = false;
+                var lastCharX = x;
+                if (width === 0) {
+                    continue;
+                }
+                if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {
+                    isJoined = true;
+                    var range = joinedRanges.shift();
+                    chars = terminal.buffer.translateBufferLineToString(row, true, range[0], range[1]);
+                    width = range[1] - range[0];
+                    code = Infinity;
+                    lastCharX = range[1] - 1;
+                }
+                if (!isJoined && this._isOverlapping(charData)) {
+                    if (lastCharX < line.length - 1 && line.get(lastCharX + 1)[Buffer_1.CHAR_DATA_CODE_INDEX] === Buffer_1.NULL_CELL_CODE) {
+                        width = 2;
+                    }
+                }
+                var flags = attr >> 18;
+                var bg = attr & 0x1ff;
+                var fg = (attr >> 9) & 0x1ff;
+                if (flags & 8) {
+                    var temp = bg;
+                    bg = fg;
+                    fg = temp;
+                    if (fg === 256) {
+                        fg = Types_1.INVERTED_DEFAULT_COLOR;
+                    }
+                    if (bg === 257) {
+                        bg = Types_1.INVERTED_DEFAULT_COLOR;
+                    }
+                }
+                callback(code, chars, width, x, y, fg, bg, flags);
+                x = lastCharX;
+            }
+        }
+    };
+    TextRenderLayer.prototype._drawBackground = function (terminal, firstRow, lastRow) {
+        var _this = this;
+        var ctx = this._ctx;
+        var cols = terminal.cols;
+        var startX = 0;
+        var startY = 0;
+        var prevFillStyle = null;
+        ctx.save();
+        this._forEachCell(terminal, firstRow, lastRow, null, function (code, chars, width, x, y, fg, bg, flags) {
+            var nextFillStyle = null;
+            if (bg === Types_1.INVERTED_DEFAULT_COLOR) {
+                nextFillStyle = _this._colors.foreground.css;
+            }
+            else if (bg < 256) {
+                nextFillStyle = _this._colors.ansi[bg].css;
+            }
+            if (prevFillStyle === null) {
+                startX = x;
+                startY = y;
+            }
+            if (y !== startY) {
+                ctx.fillStyle = prevFillStyle;
+                _this.fillCells(startX, startY, cols - startX, 1);
+                startX = x;
+                startY = y;
+            }
+            else if (prevFillStyle !== nextFillStyle) {
+                ctx.fillStyle = prevFillStyle;
+                _this.fillCells(startX, startY, x - startX, 1);
+                startX = x;
+                startY = y;
+            }
+            prevFillStyle = nextFillStyle;
+        });
+        if (prevFillStyle !== null) {
+            ctx.fillStyle = prevFillStyle;
+            this.fillCells(startX, startY, cols - startX, 1);
+        }
+        ctx.restore();
+    };
+    TextRenderLayer.prototype._drawForeground = function (terminal, firstRow, lastRow) {
+        var _this = this;
+        this._forEachCell(terminal, firstRow, lastRow, this._characterJoinerRegistry, function (code, chars, width, x, y, fg, bg, flags) {
+            if (flags & 16) {
+                return;
+            }
+            if (flags & 2) {
+                _this._ctx.save();
+                if (fg === Types_1.INVERTED_DEFAULT_COLOR) {
+                    _this._ctx.fillStyle = _this._colors.background.css;
+                }
+                else if (fg < 256) {
+                    _this._ctx.fillStyle = _this._colors.ansi[fg].css;
+                }
+                else {
+                    _this._ctx.fillStyle = _this._colors.foreground.css;
+                }
+                _this.fillBottomLineAtCells(x, y, width);
+                _this._ctx.restore();
+            }
+            _this.drawChars(terminal, chars, code, width, x, y, fg, bg, !!(flags & 1), !!(flags & 32), !!(flags & 64));
+        });
+    };
+    TextRenderLayer.prototype.onGridChanged = function (terminal, firstRow, lastRow) {
+        if (this._state.cache.length === 0) {
+            return;
+        }
+        if (this._charAtlas) {
+            this._charAtlas.beginFrame();
+        }
+        this.clearCells(0, firstRow, terminal.cols, lastRow - firstRow + 1);
+        this._drawBackground(terminal, firstRow, lastRow);
+        this._drawForeground(terminal, firstRow, lastRow);
+    };
+    TextRenderLayer.prototype.onOptionsChanged = function (terminal) {
+        this.setTransparency(terminal, terminal.options.allowTransparency);
+    };
+    TextRenderLayer.prototype._isOverlapping = function (charData) {
+        if (charData[Buffer_1.CHAR_DATA_WIDTH_INDEX] !== 1) {
+            return false;
+        }
+        var code = charData[Buffer_1.CHAR_DATA_CODE_INDEX];
+        if (code < 256) {
+            return false;
+        }
+        var char = charData[Buffer_1.CHAR_DATA_CHAR_INDEX];
+        if (this._characterOverlapCache.hasOwnProperty(char)) {
+            return this._characterOverlapCache[char];
+        }
+        this._ctx.save();
+        this._ctx.font = this._characterFont;
+        var overlaps = Math.floor(this._ctx.measureText(char).width) > this._characterWidth;
+        this._ctx.restore();
+        this._characterOverlapCache[char] = overlaps;
+        return overlaps;
+    };
+    return TextRenderLayer;
+}(BaseRenderLayer_1.BaseRenderLayer));
+exports.TextRenderLayer = TextRenderLayer;
+
+},{"../Buffer":2,"./BaseRenderLayer":25,"./GridCache":29,"./atlas/Types":41}],34:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var BaseCharAtlas = (function () {
+    function BaseCharAtlas() {
+        this._didWarmUp = false;
+    }
+    BaseCharAtlas.prototype.dispose = function () { };
+    BaseCharAtlas.prototype.warmUp = function () {
+        if (!this._didWarmUp) {
+            this._doWarmUp();
+            this._didWarmUp = true;
+        }
+    };
+    BaseCharAtlas.prototype._doWarmUp = function () { };
+    BaseCharAtlas.prototype.beginFrame = function () { };
+    return BaseCharAtlas;
+}());
+exports.default = BaseCharAtlas;
+
+},{}],35:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CharAtlasUtils_1 = require("./CharAtlasUtils");
+var DynamicCharAtlas_1 = require("./DynamicCharAtlas");
+var NoneCharAtlas_1 = require("./NoneCharAtlas");
+var StaticCharAtlas_1 = require("./StaticCharAtlas");
+var charAtlasImplementations = {
+    'none': NoneCharAtlas_1.default,
+    'static': StaticCharAtlas_1.default,
+    'dynamic': DynamicCharAtlas_1.default
+};
+var charAtlasCache = [];
+function acquireCharAtlas(terminal, colors, scaledCharWidth, scaledCharHeight) {
+    var newConfig = CharAtlasUtils_1.generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors);
+    for (var i = 0; i < charAtlasCache.length; i++) {
+        var entry = charAtlasCache[i];
+        var ownedByIndex = entry.ownedBy.indexOf(terminal);
+        if (ownedByIndex >= 0) {
+            if (CharAtlasUtils_1.configEquals(entry.config, newConfig)) {
+                return entry.atlas;
+            }
+            if (entry.ownedBy.length === 1) {
+                charAtlasCache.splice(i, 1);
+            }
+            else {
+                entry.ownedBy.splice(ownedByIndex, 1);
+            }
+            break;
+        }
+    }
+    for (var i = 0; i < charAtlasCache.length; i++) {
+        var entry = charAtlasCache[i];
+        if (CharAtlasUtils_1.configEquals(entry.config, newConfig)) {
+            entry.ownedBy.push(terminal);
+            return entry.atlas;
+        }
+    }
+    var newEntry = {
+        atlas: new charAtlasImplementations[terminal.options.experimentalCharAtlas](document, newConfig),
+        config: newConfig,
+        ownedBy: [terminal]
+    };
+    charAtlasCache.push(newEntry);
+    return newEntry.atlas;
+}
+exports.acquireCharAtlas = acquireCharAtlas;
+function removeTerminalFromCache(terminal) {
+    for (var i = 0; i < charAtlasCache.length; i++) {
+        var index = charAtlasCache[i].ownedBy.indexOf(terminal);
+        if (index !== -1) {
+            if (charAtlasCache[i].ownedBy.length === 1) {
+                charAtlasCache.splice(i, 1);
+            }
+            else {
+                charAtlasCache[i].ownedBy.splice(index, 1);
+            }
+            break;
+        }
+    }
+}
+exports.removeTerminalFromCache = removeTerminalFromCache;
+
+},{"./CharAtlasUtils":36,"./DynamicCharAtlas":37,"./NoneCharAtlas":39,"./StaticCharAtlas":40}],36:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors) {
+    var clonedColors = {
+        foreground: colors.foreground,
+        background: colors.background,
+        cursor: null,
+        cursorAccent: null,
+        selection: null,
+        ansi: colors.ansi.slice(0, 16)
+    };
+    return {
+        type: terminal.options.experimentalCharAtlas,
+        devicePixelRatio: window.devicePixelRatio,
+        scaledCharWidth: scaledCharWidth,
+        scaledCharHeight: scaledCharHeight,
+        fontFamily: terminal.options.fontFamily,
+        fontSize: terminal.options.fontSize,
+        fontWeight: terminal.options.fontWeight,
+        fontWeightBold: terminal.options.fontWeightBold,
+        allowTransparency: terminal.options.allowTransparency,
+        colors: clonedColors
+    };
+}
+exports.generateConfig = generateConfig;
+function configEquals(a, b) {
+    for (var i = 0; i < a.colors.ansi.length; i++) {
+        if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {
+            return false;
+        }
+    }
+    return a.type === b.type &&
+        a.devicePixelRatio === b.devicePixelRatio &&
+        a.fontFamily === b.fontFamily &&
+        a.fontSize === b.fontSize &&
+        a.fontWeight === b.fontWeight &&
+        a.fontWeightBold === b.fontWeightBold &&
+        a.allowTransparency === b.allowTransparency &&
+        a.scaledCharWidth === b.scaledCharWidth &&
+        a.scaledCharHeight === b.scaledCharHeight &&
+        a.colors.foreground === b.colors.foreground &&
+        a.colors.background === b.colors.background;
+}
+exports.configEquals = configEquals;
+
+},{}],37:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Types_1 = require("./Types");
+var BaseCharAtlas_1 = require("./BaseCharAtlas");
+var ColorManager_1 = require("../ColorManager");
+var CharAtlasGenerator_1 = require("../../shared/atlas/CharAtlasGenerator");
+var LRUMap_1 = require("./LRUMap");
+var Browser_1 = require("../../shared/utils/Browser");
+var TEXTURE_WIDTH = 1024;
+var TEXTURE_HEIGHT = 1024;
+var TRANSPARENT_COLOR = {
+    css: 'rgba(0, 0, 0, 0)',
+    rgba: 0
+};
+var FRAME_CACHE_DRAW_LIMIT = 100;
+var GLYPH_BITMAP_COMMIT_DELAY = 100;
+function getGlyphCacheKey(glyph) {
+    return glyph.code << 21 | glyph.bg << 12 | glyph.fg << 3 | (glyph.bold ? 0 : 4) + (glyph.dim ? 0 : 2) + (glyph.italic ? 0 : 1);
+}
+var DynamicCharAtlas = (function (_super) {
+    __extends(DynamicCharAtlas, _super);
+    function DynamicCharAtlas(document, _config) {
+        var _this = _super.call(this) || this;
+        _this._config = _config;
+        _this._drawToCacheCount = 0;
+        _this._glyphsWaitingOnBitmap = [];
+        _this._bitmapCommitTimeout = null;
+        _this._bitmap = null;
+        _this._cacheCanvas = document.createElement('canvas');
+        _this._cacheCanvas.width = TEXTURE_WIDTH;
+        _this._cacheCanvas.height = TEXTURE_HEIGHT;
+        _this._cacheCtx = _this._cacheCanvas.getContext('2d', { alpha: true });
+        var tmpCanvas = document.createElement('canvas');
+        tmpCanvas.width = _this._config.scaledCharWidth;
+        tmpCanvas.height = _this._config.scaledCharHeight;
+        _this._tmpCtx = tmpCanvas.getContext('2d', { alpha: _this._config.allowTransparency });
+        _this._width = Math.floor(TEXTURE_WIDTH / _this._config.scaledCharWidth);
+        _this._height = Math.floor(TEXTURE_HEIGHT / _this._config.scaledCharHeight);
+        var capacity = _this._width * _this._height;
+        _this._cacheMap = new LRUMap_1.default(capacity);
+        _this._cacheMap.prealloc(capacity);
+        return _this;
+    }
+    DynamicCharAtlas.prototype.dispose = function () {
+        if (this._bitmapCommitTimeout !== null) {
+            window.clearTimeout(this._bitmapCommitTimeout);
+            this._bitmapCommitTimeout = null;
+        }
+    };
+    DynamicCharAtlas.prototype.beginFrame = function () {
+        this._drawToCacheCount = 0;
+    };
+    DynamicCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
+        if (glyph.code === 32) {
+            return true;
+        }
+        var glyphKey = getGlyphCacheKey(glyph);
+        var cacheValue = this._cacheMap.get(glyphKey);
+        if (cacheValue !== null && cacheValue !== undefined) {
+            this._drawFromCache(ctx, cacheValue, x, y);
+            return true;
+        }
+        else if (this._canCache(glyph) && this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {
+            var index = void 0;
+            if (this._cacheMap.size < this._cacheMap.capacity) {
+                index = this._cacheMap.size;
+            }
+            else {
+                index = this._cacheMap.peek().index;
+            }
+            var cacheValue_1 = this._drawToCache(glyph, index);
+            this._cacheMap.set(glyphKey, cacheValue_1);
+            this._drawFromCache(ctx, cacheValue_1, x, y);
+            return true;
+        }
+        return false;
+    };
+    DynamicCharAtlas.prototype._canCache = function (glyph) {
+        return glyph.code < 256;
+    };
+    DynamicCharAtlas.prototype._toCoordinateX = function (index) {
+        return (index % this._width) * this._config.scaledCharWidth;
+    };
+    DynamicCharAtlas.prototype._toCoordinateY = function (index) {
+        return Math.floor(index / this._width) * this._config.scaledCharHeight;
+    };
+    DynamicCharAtlas.prototype._drawFromCache = function (ctx, cacheValue, x, y) {
+        if (cacheValue.isEmpty) {
+            return;
+        }
+        var cacheX = this._toCoordinateX(cacheValue.index);
+        var cacheY = this._toCoordinateY(cacheValue.index);
+        ctx.drawImage(cacheValue.inBitmap ? this._bitmap : this._cacheCanvas, cacheX, cacheY, this._config.scaledCharWidth, this._config.scaledCharHeight, x, y, this._config.scaledCharWidth, this._config.scaledCharHeight);
+    };
+    DynamicCharAtlas.prototype._getColorFromAnsiIndex = function (idx) {
+        if (idx < this._config.colors.ansi.length) {
+            return this._config.colors.ansi[idx];
+        }
+        return ColorManager_1.DEFAULT_ANSI_COLORS[idx];
+    };
+    DynamicCharAtlas.prototype._getBackgroundColor = function (glyph) {
+        if (this._config.allowTransparency) {
+            return TRANSPARENT_COLOR;
+        }
+        else if (glyph.bg === Types_1.INVERTED_DEFAULT_COLOR) {
+            return this._config.colors.foreground;
+        }
+        else if (glyph.bg < 256) {
+            return this._getColorFromAnsiIndex(glyph.bg);
+        }
+        return this._config.colors.background;
+    };
+    DynamicCharAtlas.prototype._getForegroundColor = function (glyph) {
+        if (glyph.fg === Types_1.INVERTED_DEFAULT_COLOR) {
+            return this._config.colors.background;
+        }
+        else if (glyph.fg < 256) {
+            return this._getColorFromAnsiIndex(glyph.fg);
+        }
+        return this._config.colors.foreground;
+    };
+    DynamicCharAtlas.prototype._drawToCache = function (glyph, index) {
+        this._drawToCacheCount++;
+        this._tmpCtx.save();
+        var backgroundColor = this._getBackgroundColor(glyph);
+        this._tmpCtx.globalCompositeOperation = 'copy';
+        this._tmpCtx.fillStyle = backgroundColor.css;
+        this._tmpCtx.fillRect(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);
+        this._tmpCtx.globalCompositeOperation = 'source-over';
+        var fontWeight = glyph.bold ? this._config.fontWeightBold : this._config.fontWeight;
+        var fontStyle = glyph.italic ? 'italic' : '';
+        this._tmpCtx.font =
+            fontStyle + " " + fontWeight + " " + this._config.fontSize * this._config.devicePixelRatio + "px " + this._config.fontFamily;
+        this._tmpCtx.textBaseline = 'top';
+        this._tmpCtx.fillStyle = this._getForegroundColor(glyph).css;
+        if (glyph.dim) {
+            this._tmpCtx.globalAlpha = Types_1.DIM_OPACITY;
+        }
+        this._tmpCtx.fillText(glyph.chars, 0, 0);
+        this._tmpCtx.restore();
+        var imageData = this._tmpCtx.getImageData(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);
+        var isEmpty = false;
+        if (!this._config.allowTransparency) {
+            isEmpty = CharAtlasGenerator_1.clearColor(imageData, backgroundColor);
+        }
+        var x = this._toCoordinateX(index);
+        var y = this._toCoordinateY(index);
+        this._cacheCtx.putImageData(imageData, x, y);
+        var cacheValue = {
+            index: index,
+            isEmpty: isEmpty,
+            inBitmap: false
+        };
+        this._addGlyphToBitmap(cacheValue);
+        return cacheValue;
+    };
+    DynamicCharAtlas.prototype._addGlyphToBitmap = function (cacheValue) {
+        var _this = this;
+        if (!('createImageBitmap' in window) || Browser_1.isFirefox || Browser_1.isSafari) {
+            return;
+        }
+        this._glyphsWaitingOnBitmap.push(cacheValue);
+        if (this._bitmapCommitTimeout !== null) {
+            return;
+        }
+        this._bitmapCommitTimeout = window.setTimeout(function () { return _this._generateBitmap(); }, GLYPH_BITMAP_COMMIT_DELAY);
+    };
+    DynamicCharAtlas.prototype._generateBitmap = function () {
+        var _this = this;
+        var glyphsMovingToBitmap = this._glyphsWaitingOnBitmap;
+        this._glyphsWaitingOnBitmap = [];
+        window.createImageBitmap(this._cacheCanvas).then(function (bitmap) {
+            _this._bitmap = bitmap;
+            for (var i = 0; i < glyphsMovingToBitmap.length; i++) {
+                var value = glyphsMovingToBitmap[i];
+                value.inBitmap = true;
+            }
+        });
+        this._bitmapCommitTimeout = null;
+    };
+    return DynamicCharAtlas;
+}(BaseCharAtlas_1.default));
+exports.default = DynamicCharAtlas;
+
+},{"../../shared/atlas/CharAtlasGenerator":44,"../../shared/utils/Browser":46,"../ColorManager":27,"./BaseCharAtlas":34,"./LRUMap":38,"./Types":41}],38:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var LRUMap = (function () {
+    function LRUMap(capacity) {
+        this.capacity = capacity;
+        this._map = {};
+        this._head = null;
+        this._tail = null;
+        this._nodePool = [];
+        this.size = 0;
+    }
+    LRUMap.prototype._unlinkNode = function (node) {
+        var prev = node.prev;
+        var next = node.next;
+        if (node === this._head) {
+            this._head = next;
+        }
+        if (node === this._tail) {
+            this._tail = prev;
+        }
+        if (prev !== null) {
+            prev.next = next;
+        }
+        if (next !== null) {
+            next.prev = prev;
+        }
+    };
+    LRUMap.prototype._appendNode = function (node) {
+        var tail = this._tail;
+        if (tail !== null) {
+            tail.next = node;
+        }
+        node.prev = tail;
+        node.next = null;
+        this._tail = node;
+        if (this._head === null) {
+            this._head = node;
+        }
+    };
+    LRUMap.prototype.prealloc = function (count) {
+        var nodePool = this._nodePool;
+        for (var i = 0; i < count; i++) {
+            nodePool.push({
+                prev: null,
+                next: null,
+                key: null,
+                value: null
+            });
+        }
+    };
+    LRUMap.prototype.get = function (key) {
+        var node = this._map[key];
+        if (node !== undefined) {
+            this._unlinkNode(node);
+            this._appendNode(node);
+            return node.value;
+        }
+        return null;
+    };
+    LRUMap.prototype.peekValue = function (key) {
+        var node = this._map[key];
+        if (node !== undefined) {
+            return node.value;
+        }
+        return null;
+    };
+    LRUMap.prototype.peek = function () {
+        var head = this._head;
+        return head === null ? null : head.value;
+    };
+    LRUMap.prototype.set = function (key, value) {
+        var node = this._map[key];
+        if (node !== undefined) {
+            node = this._map[key];
+            this._unlinkNode(node);
+            node.value = value;
+        }
+        else if (this.size >= this.capacity) {
+            node = this._head;
+            this._unlinkNode(node);
+            delete this._map[node.key];
+            node.key = key;
+            node.value = value;
+            this._map[key] = node;
+        }
+        else {
+            var nodePool = this._nodePool;
+            if (nodePool.length > 0) {
+                node = nodePool.pop();
+                node.key = key;
+                node.value = value;
+            }
+            else {
+                node = {
+                    prev: null,
+                    next: null,
+                    key: key,
+                    value: value
+                };
+            }
+            this._map[key] = node;
+            this.size++;
+        }
+        this._appendNode(node);
+    };
+    return LRUMap;
+}());
+exports.default = LRUMap;
+
+},{}],39:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var BaseCharAtlas_1 = require("./BaseCharAtlas");
+var NoneCharAtlas = (function (_super) {
+    __extends(NoneCharAtlas, _super);
+    function NoneCharAtlas(document, config) {
+        return _super.call(this) || this;
+    }
+    NoneCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
+        return false;
+    };
+    return NoneCharAtlas;
+}(BaseCharAtlas_1.default));
+exports.default = NoneCharAtlas;
+
+},{"./BaseCharAtlas":34}],40:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Types_1 = require("./Types");
+var Types_2 = require("../../shared/atlas/Types");
+var CharAtlasGenerator_1 = require("../../shared/atlas/CharAtlasGenerator");
+var BaseCharAtlas_1 = require("./BaseCharAtlas");
+var StaticCharAtlas = (function (_super) {
+    __extends(StaticCharAtlas, _super);
+    function StaticCharAtlas(_document, _config) {
+        var _this = _super.call(this) || this;
+        _this._document = _document;
+        _this._config = _config;
+        _this._canvasFactory = function (width, height) {
+            var canvas = _this._document.createElement('canvas');
+            canvas.width = width;
+            canvas.height = height;
+            return canvas;
+        };
+        return _this;
+    }
+    StaticCharAtlas.prototype._doWarmUp = function () {
+        var _this = this;
+        var result = CharAtlasGenerator_1.generateStaticCharAtlasTexture(window, this._canvasFactory, this._config);
+        if (result instanceof HTMLCanvasElement) {
+            this._texture = result;
+        }
+        else {
+            result.then(function (texture) {
+                _this._texture = texture;
+            });
+        }
+    };
+    StaticCharAtlas.prototype._isCached = function (glyph, colorIndex) {
+        var isAscii = glyph.code < 256;
+        var isBasicColor = glyph.fg < 16;
+        var isDefaultColor = glyph.fg >= 256;
+        var isDefaultBackground = glyph.bg >= 256;
+        return isAscii && (isBasicColor || isDefaultColor) && isDefaultBackground && !glyph.italic;
+    };
+    StaticCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
+        if (this._texture === null || this._texture === undefined) {
+            return false;
+        }
+        var colorIndex = 0;
+        if (glyph.fg < 256) {
+            colorIndex = 2 + glyph.fg + (glyph.bold ? 16 : 0);
+        }
+        else {
+            if (glyph.bold) {
+                colorIndex = 1;
+            }
+        }
+        if (!this._isCached(glyph, colorIndex)) {
+            return false;
+        }
+        ctx.save();
+        var charAtlasCellWidth = this._config.scaledCharWidth + Types_2.CHAR_ATLAS_CELL_SPACING;
+        var charAtlasCellHeight = this._config.scaledCharHeight + Types_2.CHAR_ATLAS_CELL_SPACING;
+        if (glyph.dim) {
+            ctx.globalAlpha = Types_1.DIM_OPACITY;
+        }
+        ctx.drawImage(this._texture, glyph.code * charAtlasCellWidth, colorIndex * charAtlasCellHeight, charAtlasCellWidth, this._config.scaledCharHeight, x, y, charAtlasCellWidth, this._config.scaledCharHeight);
+        ctx.restore();
+        return true;
+    };
+    return StaticCharAtlas;
+}(BaseCharAtlas_1.default));
+exports.default = StaticCharAtlas;
+
+},{"../../shared/atlas/CharAtlasGenerator":44,"../../shared/atlas/Types":45,"./BaseCharAtlas":34,"./Types":41}],41:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.INVERTED_DEFAULT_COLOR = -1;
+exports.DIM_OPACITY = 0.5;
+
+},{}],42:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_1 = require("../../common/EventEmitter");
+var ColorManager_1 = require("../ColorManager");
+var RenderDebouncer_1 = require("../../ui/RenderDebouncer");
+var DomRendererRowFactory_1 = require("./DomRendererRowFactory");
+var TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
+var ROW_CONTAINER_CLASS = 'xterm-rows';
+var FG_CLASS_PREFIX = 'xterm-fg-';
+var BG_CLASS_PREFIX = 'xterm-bg-';
+var FOCUS_CLASS = 'xterm-focus';
+var SELECTION_CLASS = 'xterm-selection';
+var nextTerminalId = 1;
+var DomRenderer = (function (_super) {
+    __extends(DomRenderer, _super);
+    function DomRenderer(_terminal, theme) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._terminalClass = nextTerminalId++;
+        _this._rowElements = [];
+        var allowTransparency = _this._terminal.options.allowTransparency;
+        _this.colorManager = new ColorManager_1.ColorManager(document, allowTransparency);
+        _this.setTheme(theme);
+        _this._rowContainer = document.createElement('div');
+        _this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
+        _this._rowContainer.style.lineHeight = 'normal';
+        _this._rowContainer.setAttribute('aria-hidden', 'true');
+        _this._refreshRowElements(_this._terminal.cols, _this._terminal.rows);
+        _this._selectionContainer = document.createElement('div');
+        _this._selectionContainer.classList.add(SELECTION_CLASS);
+        _this._selectionContainer.setAttribute('aria-hidden', 'true');
+        _this.dimensions = {
+            scaledCharWidth: null,
+            scaledCharHeight: null,
+            scaledCellWidth: null,
+            scaledCellHeight: null,
+            scaledCharLeft: null,
+            scaledCharTop: null,
+            scaledCanvasWidth: null,
+            scaledCanvasHeight: null,
+            canvasWidth: null,
+            canvasHeight: null,
+            actualCellWidth: null,
+            actualCellHeight: null
+        };
+        _this._updateDimensions();
+        _this._renderDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._terminal, _this._renderRows.bind(_this));
+        _this._rowFactory = new DomRendererRowFactory_1.DomRendererRowFactory(document);
+        _this._terminal.element.classList.add(TERMINAL_CLASS_PREFIX + _this._terminalClass);
+        _this._terminal.screenElement.appendChild(_this._rowContainer);
+        _this._terminal.screenElement.appendChild(_this._selectionContainer);
+        _this._terminal.linkifier.on("linkhover", function (e) { return _this._onLinkHover(e); });
+        _this._terminal.linkifier.on("linkleave", function (e) { return _this._onLinkLeave(e); });
+        return _this;
+    }
+    DomRenderer.prototype.dispose = function () {
+        this._terminal.element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
+        this._terminal.screenElement.removeChild(this._rowContainer);
+        this._terminal.screenElement.removeChild(this._selectionContainer);
+        this._terminal.screenElement.removeChild(this._themeStyleElement);
+        this._terminal.screenElement.removeChild(this._dimensionsStyleElement);
+        _super.prototype.dispose.call(this);
+    };
+    DomRenderer.prototype._updateDimensions = function () {
+        var _this = this;
+        this.dimensions.scaledCharWidth = this._terminal.charMeasure.width * window.devicePixelRatio;
+        this.dimensions.scaledCharHeight = this._terminal.charMeasure.height * window.devicePixelRatio;
+        this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth;
+        this.dimensions.scaledCellHeight = this.dimensions.scaledCharHeight;
+        this.dimensions.scaledCharLeft = 0;
+        this.dimensions.scaledCharTop = 0;
+        this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;
+        this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;
+        this.dimensions.canvasWidth = this._terminal.charMeasure.width * this._terminal.cols;
+        this.dimensions.canvasHeight = this._terminal.charMeasure.height * this._terminal.rows;
+        this.dimensions.actualCellWidth = this._terminal.charMeasure.width;
+        this.dimensions.actualCellHeight = this._terminal.charMeasure.height;
+        this._rowElements.forEach(function (element) {
+            element.style.width = _this.dimensions.canvasWidth + "px";
+            element.style.height = _this._terminal.charMeasure.height + "px";
+        });
+        if (!this._dimensionsStyleElement) {
+            this._dimensionsStyleElement = document.createElement('style');
+            this._terminal.screenElement.appendChild(this._dimensionsStyleElement);
+        }
+        var styles = this._terminalSelector + " ." + ROW_CONTAINER_CLASS + " span {" +
+            " display: inline-block;" +
+            " height: 100%;" +
+            " vertical-align: top;" +
+            (" width: " + this._terminal.charMeasure.width + "px") +
+            "}";
+        this._dimensionsStyleElement.innerHTML = styles;
+        this._selectionContainer.style.height = this._terminal._viewportElement.style.height;
+        this._rowContainer.style.width = this.dimensions.canvasWidth + "px";
+        this._rowContainer.style.height = this.dimensions.canvasHeight + "px";
+    };
+    DomRenderer.prototype.setTheme = function (theme) {
+        var _this = this;
+        if (theme) {
+            this.colorManager.setTheme(theme);
+        }
+        if (!this._themeStyleElement) {
+            this._themeStyleElement = document.createElement('style');
+            this._terminal.screenElement.appendChild(this._themeStyleElement);
+        }
+        var styles = this._terminalSelector + " ." + ROW_CONTAINER_CLASS + " {" +
+            (" color: " + this.colorManager.colors.foreground.css + ";") +
+            (" background-color: " + this.colorManager.colors.background.css + ";") +
+            (" font-family: " + this._terminal.getOption('fontFamily') + ";") +
+            (" font-size: " + this._terminal.getOption('fontSize') + "px;") +
+            "}";
+        styles +=
+            this._terminalSelector + " span:not(." + DomRendererRowFactory_1.BOLD_CLASS + ") {" +
+                (" font-weight: " + this._terminal.options.fontWeight + ";") +
+                "}" +
+                (this._terminalSelector + " span." + DomRendererRowFactory_1.BOLD_CLASS + " {") +
+                (" font-weight: " + this._terminal.options.fontWeightBold + ";") +
+                "}" +
+                (this._terminalSelector + " span." + DomRendererRowFactory_1.ITALIC_CLASS + " {") +
+                " font-style: italic;" +
+                "}";
+        styles +=
+            this._terminalSelector + " ." + ROW_CONTAINER_CLASS + ":not(." + FOCUS_CLASS + ") ." + DomRendererRowFactory_1.CURSOR_CLASS + " {" +
+                (" outline: 1px solid " + this.colorManager.colors.cursor.css + ";") +
+                " outline-offset: -1px;" +
+                "}" +
+                (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_BLOCK_CLASS + " {") +
+                (" background-color: " + this.colorManager.colors.cursor.css + ";") +
+                (" color: " + this.colorManager.colors.cursorAccent.css + ";") +
+                "}" +
+                (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_BAR_CLASS + " {") +
+                (" box-shadow: 1px 0 0 " + this.colorManager.colors.cursor.css + " inset;") +
+                "}" +
+                (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_UNDERLINE_CLASS + " {") +
+                (" box-shadow: 0 -1px 0 " + this.colorManager.colors.cursor.css + " inset;") +
+                "}";
+        styles +=
+            this._terminalSelector + " ." + SELECTION_CLASS + " {" +
+                " position: absolute;" +
+                " top: 0;" +
+                " left: 0;" +
+                " z-index: 1;" +
+                " pointer-events: none;" +
+                "}" +
+                (this._terminalSelector + " ." + SELECTION_CLASS + " div {") +
+                " position: absolute;" +
+                (" background-color: " + this.colorManager.colors.selection.css + ";") +
+                "}";
+        this.colorManager.colors.ansi.forEach(function (c, i) {
+            styles +=
+                _this._terminalSelector + " ." + FG_CLASS_PREFIX + i + " { color: " + c.css + "; }" +
+                    (_this._terminalSelector + " ." + BG_CLASS_PREFIX + i + " { background-color: " + c.css + "; }");
+        });
+        this._themeStyleElement.innerHTML = styles;
+        return this.colorManager.colors;
+    };
+    DomRenderer.prototype.onWindowResize = function (devicePixelRatio) {
+        this._updateDimensions();
+    };
+    DomRenderer.prototype._refreshRowElements = function (cols, rows) {
+        for (var i = this._rowElements.length; i <= rows; i++) {
+            var row = document.createElement('div');
+            this._rowContainer.appendChild(row);
+            this._rowElements.push(row);
+        }
+        while (this._rowElements.length > rows) {
+            this._rowContainer.removeChild(this._rowElements.pop());
+        }
+    };
+    DomRenderer.prototype.onResize = function (cols, rows) {
+        this._refreshRowElements(cols, rows);
+        this._updateDimensions();
+    };
+    DomRenderer.prototype.onCharSizeChanged = function () {
+        this._updateDimensions();
+    };
+    DomRenderer.prototype.onBlur = function () {
+        this._rowContainer.classList.remove(FOCUS_CLASS);
+    };
+    DomRenderer.prototype.onFocus = function () {
+        this._rowContainer.classList.add(FOCUS_CLASS);
+    };
+    DomRenderer.prototype.onSelectionChanged = function (start, end, columnSelectMode) {
+        while (this._selectionContainer.children.length) {
+            this._selectionContainer.removeChild(this._selectionContainer.children[0]);
+        }
+        if (!start || !end) {
+            return;
+        }
+        var viewportStartRow = start[1] - this._terminal.buffer.ydisp;
+        var viewportEndRow = end[1] - this._terminal.buffer.ydisp;
+        var viewportCappedStartRow = Math.max(viewportStartRow, 0);
+        var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);
+        if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {
+            return;
+        }
+        var documentFragment = document.createDocumentFragment();
+        if (columnSelectMode) {
+            documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1));
+        }
+        else {
+            var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+            var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+            documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+            var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+            documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));
+            if (viewportCappedStartRow !== viewportCappedEndRow) {
+                var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+                documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1));
+            }
+        }
+        this._selectionContainer.appendChild(documentFragment);
+    };
+    DomRenderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) {
+        if (rowCount === void 0) { rowCount = 1; }
+        var element = document.createElement('div');
+        element.style.height = rowCount * this._terminal.charMeasure.height + "px";
+        element.style.top = row * this._terminal.charMeasure.height + "px";
+        element.style.left = colStart * this._terminal.charMeasure.width + "px";
+        element.style.width = this._terminal.charMeasure.width * (colEnd - colStart) + "px";
+        return element;
+    };
+    DomRenderer.prototype.onCursorMove = function () {
+    };
+    DomRenderer.prototype.onOptionsChanged = function () {
+        this._updateDimensions();
+        this.setTheme(undefined);
+        this._terminal.refresh(0, this._terminal.rows - 1);
+    };
+    DomRenderer.prototype.clear = function () {
+        this._rowElements.forEach(function (e) { return e.innerHTML = ''; });
+    };
+    DomRenderer.prototype.refreshRows = function (start, end) {
+        this._renderDebouncer.refresh(start, end);
+    };
+    DomRenderer.prototype._renderRows = function (start, end) {
+        var terminal = this._terminal;
+        var cursorAbsoluteY = terminal.buffer.ybase + terminal.buffer.y;
+        var cursorX = this._terminal.buffer.x;
+        for (var y = start; y <= end; y++) {
+            var rowElement = this._rowElements[y];
+            rowElement.innerHTML = '';
+            var row = y + terminal.buffer.ydisp;
+            var lineData = terminal.buffer.lines.get(row);
+            var cursorStyle = terminal.options.cursorStyle;
+            rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, terminal.charMeasure.width, terminal.cols));
+        }
+        this._terminal.emit('refresh', { start: start, end: end });
+    };
+    Object.defineProperty(DomRenderer.prototype, "_terminalSelector", {
+        get: function () {
+            return "." + TERMINAL_CLASS_PREFIX + this._terminalClass;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    DomRenderer.prototype.registerCharacterJoiner = function (handler) { return -1; };
+    DomRenderer.prototype.deregisterCharacterJoiner = function (joinerId) { return false; };
+    DomRenderer.prototype._onLinkHover = function (e) {
+        this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);
+    };
+    DomRenderer.prototype._onLinkLeave = function (e) {
+        this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);
+    };
+    DomRenderer.prototype._setCellUnderline = function (x, x2, y, y2, cols, enabled) {
+        while (x !== x2 || y !== y2) {
+            var span = this._rowElements[y].children[x];
+            span.style.textDecoration = enabled ? 'underline' : 'none';
+            x = (x + 1) % cols;
+            if (x === 0) {
+                y++;
+            }
+        }
+    };
+    return DomRenderer;
+}(EventEmitter_1.EventEmitter));
+exports.DomRenderer = DomRenderer;
+
+},{"../../common/EventEmitter":17,"../../ui/RenderDebouncer":50,"../ColorManager":27,"./DomRendererRowFactory":43}],43:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("../../Buffer");
+exports.BOLD_CLASS = 'xterm-bold';
+exports.ITALIC_CLASS = 'xterm-italic';
+exports.CURSOR_CLASS = 'xterm-cursor';
+exports.CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';
+exports.CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';
+exports.CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';
+var DomRendererRowFactory = (function () {
+    function DomRendererRowFactory(_document) {
+        this._document = _document;
+    }
+    DomRendererRowFactory.prototype.createRow = function (lineData, isCursorRow, cursorStyle, cursorX, cellWidth, cols) {
+        var fragment = this._document.createDocumentFragment();
+        var colCount = 0;
+        for (var x = 0; x < lineData.length; x++) {
+            if (colCount >= cols) {
+                continue;
+            }
+            var charData = lineData.get(x);
+            var char = charData[Buffer_1.CHAR_DATA_CHAR_INDEX];
+            var attr = charData[Buffer_1.CHAR_DATA_ATTR_INDEX];
+            var width = charData[Buffer_1.CHAR_DATA_WIDTH_INDEX];
+            if (width === 0) {
+                continue;
+            }
+            var charElement = this._document.createElement('span');
+            if (width > 1) {
+                charElement.style.width = cellWidth * width + "px";
+            }
+            var flags = attr >> 18;
+            var bg = attr & 0x1ff;
+            var fg = (attr >> 9) & 0x1ff;
+            if (isCursorRow && x === cursorX) {
+                charElement.classList.add(exports.CURSOR_CLASS);
+                switch (cursorStyle) {
+                    case 'bar':
+                        charElement.classList.add(exports.CURSOR_STYLE_BAR_CLASS);
+                        break;
+                    case 'underline':
+                        charElement.classList.add(exports.CURSOR_STYLE_UNDERLINE_CLASS);
+                        break;
+                    default:
+                        charElement.classList.add(exports.CURSOR_STYLE_BLOCK_CLASS);
+                        break;
+                }
+            }
+            if (flags & 8) {
+                var temp = bg;
+                bg = fg;
+                fg = temp;
+                if (fg === 256) {
+                    fg = 0;
+                }
+                if (bg === 257) {
+                    bg = 15;
+                }
+            }
+            if (flags & 1) {
+                if (fg < 8) {
+                    fg += 8;
+                }
+                charElement.classList.add(exports.BOLD_CLASS);
+            }
+            if (flags & 64) {
+                charElement.classList.add(exports.ITALIC_CLASS);
+            }
+            charElement.textContent = char;
+            if (fg !== 257) {
+                charElement.classList.add("xterm-fg-" + fg);
+            }
+            if (bg !== 256) {
+                charElement.classList.add("xterm-bg-" + bg);
+            }
+            fragment.appendChild(charElement);
+            colCount += width;
+        }
+        return fragment;
+    };
+    return DomRendererRowFactory;
+}());
+exports.DomRendererRowFactory = DomRendererRowFactory;
+
+},{"../../Buffer":2}],44:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Types_1 = require("./Types");
+var Browser_1 = require("../utils/Browser");
+function generateStaticCharAtlasTexture(context, canvasFactory, config) {
+    var cellWidth = config.scaledCharWidth + Types_1.CHAR_ATLAS_CELL_SPACING;
+    var cellHeight = config.scaledCharHeight + Types_1.CHAR_ATLAS_CELL_SPACING;
+    var canvas = canvasFactory(255 * cellWidth, (2 + 16 + 16) * cellHeight);
+    var ctx = canvas.getContext('2d', { alpha: config.allowTransparency });
+    ctx.fillStyle = config.colors.background.css;
+    ctx.fillRect(0, 0, canvas.width, canvas.height);
+    ctx.save();
+    ctx.fillStyle = config.colors.foreground.css;
+    ctx.font = getFont(config.fontWeight, config);
+    ctx.textBaseline = 'top';
+    for (var i = 0; i < 256; i++) {
+        ctx.save();
+        ctx.beginPath();
+        ctx.rect(i * cellWidth, 0, cellWidth, cellHeight);
+        ctx.clip();
+        ctx.fillText(String.fromCharCode(i), i * cellWidth, 0);
+        ctx.restore();
+    }
+    ctx.save();
+    ctx.font = getFont(config.fontWeightBold, config);
+    for (var i = 0; i < 256; i++) {
+        ctx.save();
+        ctx.beginPath();
+        ctx.rect(i * cellWidth, cellHeight, cellWidth, cellHeight);
+        ctx.clip();
+        ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight);
+        ctx.restore();
+    }
+    ctx.restore();
+    ctx.font = getFont(config.fontWeight, config);
+    for (var colorIndex = 0; colorIndex < 16; colorIndex++) {
+        var y = (colorIndex + 2) * cellHeight;
+        for (var i = 0; i < 256; i++) {
+            ctx.save();
+            ctx.beginPath();
+            ctx.rect(i * cellWidth, y, cellWidth, cellHeight);
+            ctx.clip();
+            ctx.fillStyle = config.colors.ansi[colorIndex].css;
+            ctx.fillText(String.fromCharCode(i), i * cellWidth, y);
+            ctx.restore();
+        }
+    }
+    ctx.font = getFont(config.fontWeightBold, config);
+    for (var colorIndex = 0; colorIndex < 16; colorIndex++) {
+        var y = (colorIndex + 2 + 16) * cellHeight;
+        for (var i = 0; i < 256; i++) {
+            ctx.save();
+            ctx.beginPath();
+            ctx.rect(i * cellWidth, y, cellWidth, cellHeight);
+            ctx.clip();
+            ctx.fillStyle = config.colors.ansi[colorIndex].css;
+            ctx.fillText(String.fromCharCode(i), i * cellWidth, y);
+            ctx.restore();
+        }
+    }
+    ctx.restore();
+    if (!('createImageBitmap' in context) || Browser_1.isFirefox || Browser_1.isSafari) {
+        if (canvas instanceof HTMLCanvasElement) {
+            return canvas;
+        }
+        return new Promise(function (r) { return r(canvas.transferToImageBitmap()); });
+    }
+    var charAtlasImageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+    clearColor(charAtlasImageData, config.colors.background);
+    return context.createImageBitmap(charAtlasImageData);
+}
+exports.generateStaticCharAtlasTexture = generateStaticCharAtlasTexture;
+function clearColor(imageData, color) {
+    var isEmpty = true;
+    var r = color.rgba >>> 24;
+    var g = color.rgba >>> 16 & 0xFF;
+    var b = color.rgba >>> 8 & 0xFF;
+    for (var offset = 0; offset < imageData.data.length; offset += 4) {
+        if (imageData.data[offset] === r &&
+            imageData.data[offset + 1] === g &&
+            imageData.data[offset + 2] === b) {
+            imageData.data[offset + 3] = 0;
+        }
+        else {
+            isEmpty = false;
+        }
+    }
+    return isEmpty;
+}
+exports.clearColor = clearColor;
+function getFont(fontWeight, config) {
+    return fontWeight + " " + config.fontSize * config.devicePixelRatio + "px " + config.fontFamily;
+}
+
+},{"../utils/Browser":46,"./Types":45}],45:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CHAR_ATLAS_CELL_SPACING = 1;
+
+},{}],46:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var isNode = (typeof navigator === 'undefined') ? true : false;
+var userAgent = (isNode) ? 'node' : navigator.userAgent;
+var platform = (isNode) ? 'node' : navigator.platform;
+exports.isFirefox = !!~userAgent.indexOf('Firefox');
+exports.isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
+exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
+exports.isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
+exports.isIpad = platform === 'iPad';
+exports.isIphone = platform === 'iPhone';
+exports.isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
+exports.isLinux = platform.indexOf('Linux') >= 0;
+function contains(arr, el) {
+    return arr.indexOf(el) >= 0;
+}
+
+},{}],47:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_1 = require("../common/EventEmitter");
+var CharMeasure = (function (_super) {
+    __extends(CharMeasure, _super);
+    function CharMeasure(document, parentElement) {
+        var _this = _super.call(this) || this;
+        _this._document = document;
+        _this._parentElement = parentElement;
+        _this._measureElement = _this._document.createElement('span');
+        _this._measureElement.classList.add('xterm-char-measure-element');
+        _this._measureElement.textContent = 'W';
+        _this._measureElement.setAttribute('aria-hidden', 'true');
+        _this._parentElement.appendChild(_this._measureElement);
+        return _this;
+    }
+    Object.defineProperty(CharMeasure.prototype, "width", {
+        get: function () {
+            return this._width;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CharMeasure.prototype, "height", {
+        get: function () {
+            return this._height;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CharMeasure.prototype.measure = function (options) {
+        this._measureElement.style.fontFamily = options.fontFamily;
+        this._measureElement.style.fontSize = options.fontSize + "px";
+        var geometry = this._measureElement.getBoundingClientRect();
+        if (geometry.width === 0 || geometry.height === 0) {
+            return;
+        }
+        if (this._width !== geometry.width || this._height !== geometry.height) {
+            this._width = geometry.width;
+            this._height = Math.ceil(geometry.height);
+            this.emit('charsizechanged');
+        }
+    };
+    return CharMeasure;
+}(EventEmitter_1.EventEmitter));
+exports.CharMeasure = CharMeasure;
+
+},{"../common/EventEmitter":17}],48:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function addDisposableDomListener(node, type, handler, useCapture) {
+    node.addEventListener(type, handler, useCapture);
+    return {
+        dispose: function () {
+            if (!handler) {
+                return;
+            }
+            node.removeEventListener(type, handler, useCapture);
+            node = null;
+            handler = null;
+        }
+    };
+}
+exports.addDisposableDomListener = addDisposableDomListener;
+
+},{}],49:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Lifecycle_1 = require("../common/Lifecycle");
+var Lifecycle_2 = require("./Lifecycle");
+var HOVER_DURATION = 500;
+var MouseZoneManager = (function (_super) {
+    __extends(MouseZoneManager, _super);
+    function MouseZoneManager(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._zones = [];
+        _this._areZonesActive = false;
+        _this._tooltipTimeout = null;
+        _this._currentZone = null;
+        _this._lastHoverCoords = [null, null];
+        _this.register(Lifecycle_2.addDisposableDomListener(_this._terminal.element, 'mousedown', function (e) { return _this._onMouseDown(e); }));
+        _this._mouseMoveListener = function (e) { return _this._onMouseMove(e); };
+        _this._clickListener = function (e) { return _this._onClick(e); };
+        return _this;
+    }
+    MouseZoneManager.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this._deactivate();
+    };
+    MouseZoneManager.prototype.add = function (zone) {
+        this._zones.push(zone);
+        if (this._zones.length === 1) {
+            this._activate();
+        }
+    };
+    MouseZoneManager.prototype.clearAll = function (start, end) {
+        if (this._zones.length === 0) {
+            return;
+        }
+        if (!end) {
+            start = 0;
+            end = this._terminal.rows - 1;
+        }
+        for (var i = 0; i < this._zones.length; i++) {
+            var zone = this._zones[i];
+            if ((zone.y1 > start && zone.y1 <= end + 1) ||
+                (zone.y2 > start && zone.y2 <= end + 1) ||
+                (zone.y1 < start && zone.y2 > end + 1)) {
+                if (this._currentZone && this._currentZone === zone) {
+                    this._currentZone.leaveCallback();
+                    this._currentZone = null;
+                }
+                this._zones.splice(i--, 1);
+            }
+        }
+        if (this._zones.length === 0) {
+            this._deactivate();
+        }
+    };
+    MouseZoneManager.prototype._activate = function () {
+        if (!this._areZonesActive) {
+            this._areZonesActive = true;
+            this._terminal.element.addEventListener('mousemove', this._mouseMoveListener);
+            this._terminal.element.addEventListener('click', this._clickListener);
+        }
+    };
+    MouseZoneManager.prototype._deactivate = function () {
+        if (this._areZonesActive) {
+            this._areZonesActive = false;
+            this._terminal.element.removeEventListener('mousemove', this._mouseMoveListener);
+            this._terminal.element.removeEventListener('click', this._clickListener);
+        }
+    };
+    MouseZoneManager.prototype._onMouseMove = function (e) {
+        if (this._lastHoverCoords[0] !== e.pageX || this._lastHoverCoords[1] !== e.pageY) {
+            this._onHover(e);
+            this._lastHoverCoords = [e.pageX, e.pageY];
+        }
+    };
+    MouseZoneManager.prototype._onHover = function (e) {
+        var _this = this;
+        var zone = this._findZoneEventAt(e);
+        if (zone === this._currentZone) {
+            return;
+        }
+        if (this._currentZone) {
+            this._currentZone.leaveCallback();
+            this._currentZone = null;
+            if (this._tooltipTimeout) {
+                clearTimeout(this._tooltipTimeout);
+            }
+        }
+        if (!zone) {
+            return;
+        }
+        this._currentZone = zone;
+        if (zone.hoverCallback) {
+            zone.hoverCallback(e);
+        }
+        this._tooltipTimeout = setTimeout(function () { return _this._onTooltip(e); }, HOVER_DURATION);
+    };
+    MouseZoneManager.prototype._onTooltip = function (e) {
+        this._tooltipTimeout = null;
+        var zone = this._findZoneEventAt(e);
+        if (zone && zone.tooltipCallback) {
+            zone.tooltipCallback(e);
+        }
+    };
+    MouseZoneManager.prototype._onMouseDown = function (e) {
+        if (!this._areZonesActive) {
+            return;
+        }
+        var zone = this._findZoneEventAt(e);
+        if (zone) {
+            if (zone.willLinkActivate(e)) {
+                e.preventDefault();
+                e.stopImmediatePropagation();
+            }
+        }
+    };
+    MouseZoneManager.prototype._onClick = function (e) {
+        var zone = this._findZoneEventAt(e);
+        if (zone) {
+            zone.clickCallback(e);
+            e.preventDefault();
+            e.stopImmediatePropagation();
+        }
+    };
+    MouseZoneManager.prototype._findZoneEventAt = function (e) {
+        var coords = this._terminal.mouseHelper.getCoords(e, this._terminal.screenElement, this._terminal.charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows);
+        if (!coords) {
+            return null;
+        }
+        var x = coords[0];
+        var y = coords[1];
+        for (var i = 0; i < this._zones.length; i++) {
+            var zone = this._zones[i];
+            if (zone.y1 === zone.y2) {
+                if (y === zone.y1 && x >= zone.x1 && x < zone.x2) {
+                    return zone;
+                }
+            }
+            else {
+                if ((y === zone.y1 && x >= zone.x1) ||
+                    (y === zone.y2 && x < zone.x2) ||
+                    (y > zone.y1 && y < zone.y2)) {
+                    return zone;
+                }
+            }
+        }
+        return null;
+    };
+    return MouseZoneManager;
+}(Lifecycle_1.Disposable));
+exports.MouseZoneManager = MouseZoneManager;
+var MouseZone = (function () {
+    function MouseZone(x1, y1, x2, y2, clickCallback, hoverCallback, tooltipCallback, leaveCallback, willLinkActivate) {
+        this.x1 = x1;
+        this.y1 = y1;
+        this.x2 = x2;
+        this.y2 = y2;
+        this.clickCallback = clickCallback;
+        this.hoverCallback = hoverCallback;
+        this.tooltipCallback = tooltipCallback;
+        this.leaveCallback = leaveCallback;
+        this.willLinkActivate = willLinkActivate;
+    }
+    return MouseZone;
+}());
+exports.MouseZone = MouseZone;
+
+},{"../common/Lifecycle":18,"./Lifecycle":48}],50:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var RenderDebouncer = (function () {
+    function RenderDebouncer(_terminal, _callback) {
+        this._terminal = _terminal;
+        this._callback = _callback;
+        this._animationFrame = null;
+    }
+    RenderDebouncer.prototype.dispose = function () {
+        if (this._animationFrame) {
+            window.cancelAnimationFrame(this._animationFrame);
+            this._animationFrame = null;
+        }
+    };
+    RenderDebouncer.prototype.refresh = function (rowStart, rowEnd) {
+        var _this = this;
+        rowStart = rowStart !== null && rowStart !== undefined ? rowStart : 0;
+        rowEnd = rowEnd !== null && rowEnd !== undefined ? rowEnd : this._terminal.rows - 1;
+        var isRowStartSet = this._rowStart !== undefined && this._rowStart !== null;
+        var isRowEndSet = this._rowEnd !== undefined && this._rowEnd !== null;
+        this._rowStart = isRowStartSet ? Math.min(this._rowStart, rowStart) : rowStart;
+        this._rowEnd = isRowEndSet ? Math.max(this._rowEnd, rowEnd) : rowEnd;
+        if (this._animationFrame) {
+            return;
+        }
+        this._animationFrame = window.requestAnimationFrame(function () { return _this._innerRefresh(); });
+    };
+    RenderDebouncer.prototype._innerRefresh = function () {
+        this._rowStart = Math.max(this._rowStart, 0);
+        this._rowEnd = Math.min(this._rowEnd, this._terminal.rows - 1);
+        this._callback(this._rowStart, this._rowEnd);
+        this._rowStart = null;
+        this._rowEnd = null;
+        this._animationFrame = null;
+    };
+    return RenderDebouncer;
+}());
+exports.RenderDebouncer = RenderDebouncer;
+
+},{}],51:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Lifecycle_1 = require("../common/Lifecycle");
+var ScreenDprMonitor = (function (_super) {
+    __extends(ScreenDprMonitor, _super);
+    function ScreenDprMonitor() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    ScreenDprMonitor.prototype.setListener = function (listener) {
+        var _this = this;
+        if (this._listener) {
+            this.clearListener();
+        }
+        this._listener = listener;
+        this._outerListener = function () {
+            _this._listener(window.devicePixelRatio, _this._currentDevicePixelRatio);
+            _this._updateDpr();
+        };
+        this._updateDpr();
+    };
+    ScreenDprMonitor.prototype.dispose = function () {
+        _super.prototype.dispose.call(this);
+        this.clearListener();
+    };
+    ScreenDprMonitor.prototype._updateDpr = function () {
+        if (this._resolutionMediaMatchList) {
+            this._resolutionMediaMatchList.removeListener(this._outerListener);
+        }
+        this._currentDevicePixelRatio = window.devicePixelRatio;
+        this._resolutionMediaMatchList = window.matchMedia("screen and (resolution: " + window.devicePixelRatio + "dppx)");
+        this._resolutionMediaMatchList.addListener(this._outerListener);
+    };
+    ScreenDprMonitor.prototype.clearListener = function () {
+        if (!this._listener) {
+            return;
+        }
+        this._resolutionMediaMatchList.removeListener(this._outerListener);
+        this._listener = null;
+        this._outerListener = null;
+    };
+    return ScreenDprMonitor;
+}(Lifecycle_1.Disposable));
+exports.ScreenDprMonitor = ScreenDprMonitor;
+
+},{"../common/Lifecycle":18}],52:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.clone = function (val, depth) {
+    if (depth === void 0) { depth = 5; }
+    if (typeof val !== 'object') {
+        return val;
+    }
+    if (val === null) {
+        return null;
+    }
+    var clonedObject = Array.isArray(val) ? [] : {};
+    for (var key in val) {
+        clonedObject[key] = depth <= 1 ? val[key] : exports.clone(val[key], depth - 1);
+    }
+    return clonedObject;
+};
+
+},{}],53:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var MouseHelper = (function () {
+    function MouseHelper(_renderer) {
+        this._renderer = _renderer;
+    }
+    MouseHelper.getCoordsRelativeToElement = function (event, element) {
+        if (event.pageX === null || event.pageX === undefined) {
+            return null;
+        }
+        var originalElement = element;
+        var x = event.pageX;
+        var y = event.pageY;
+        while (element) {
+            x -= element.offsetLeft;
+            y -= element.offsetTop;
+            element = element.offsetParent;
+        }
+        element = originalElement;
+        while (element && element !== element.ownerDocument.body) {
+            x += element.scrollLeft;
+            y += element.scrollTop;
+            element = element.parentElement;
+        }
+        return [x, y];
+    };
+    MouseHelper.prototype.getCoords = function (event, element, charMeasure, lineHeight, colCount, rowCount, isSelection) {
+        if (!charMeasure.width || !charMeasure.height) {
+            return null;
+        }
+        var coords = MouseHelper.getCoordsRelativeToElement(event, element);
+        if (!coords) {
+            return null;
+        }
+        coords[0] = Math.ceil((coords[0] + (isSelection ? this._renderer.dimensions.actualCellWidth / 2 : 0)) / this._renderer.dimensions.actualCellWidth);
+        coords[1] = Math.ceil(coords[1] / this._renderer.dimensions.actualCellHeight);
+        coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));
+        coords[1] = Math.min(Math.max(coords[1], 1), rowCount);
+        return coords;
+    };
+    MouseHelper.prototype.getRawByteCoords = function (event, element, charMeasure, lineHeight, colCount, rowCount) {
+        var coords = this.getCoords(event, element, charMeasure, lineHeight, colCount, rowCount);
+        var x = coords[0];
+        var y = coords[1];
+        x += 32;
+        y += 32;
+        return { x: x, y: y };
+    };
+    return MouseHelper;
+}());
+exports.MouseHelper = MouseHelper;
+
+},{}],54:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Terminal_1 = require("./public/Terminal");
+module.exports = Terminal_1.Terminal;
+
+},{"./public/Terminal":24}]},{},[54])(54)
+});
+//# sourceMappingURL=xterm.js.map
diff --git a/static/xterm/xterm.js.map b/static/xterm/xterm.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..d90cd45407671237692a4317d5a12b7fe5e861c8
--- /dev/null
+++ b/static/xterm/xterm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"xterm.js","sources":["../src/xterm.ts","../src/utils/MouseHelper.ts","../src/utils/Clone.ts","../src/ui/ScreenDprMonitor.ts","../src/ui/RenderDebouncer.ts","../src/ui/MouseZoneManager.ts","../src/ui/Lifecycle.ts","../src/ui/CharMeasure.ts","../src/shared/utils/Browser.ts","../src/shared/atlas/Types.ts","../src/shared/atlas/CharAtlasGenerator.ts","../src/renderer/dom/DomRendererRowFactory.ts","../src/renderer/dom/DomRenderer.ts","../src/renderer/atlas/Types.ts","../src/renderer/atlas/StaticCharAtlas.ts","../src/renderer/atlas/NoneCharAtlas.ts","../src/renderer/atlas/LRUMap.ts","../src/renderer/atlas/DynamicCharAtlas.ts","../src/renderer/atlas/CharAtlasUtils.ts","../src/renderer/atlas/CharAtlasCache.ts","../src/renderer/atlas/BaseCharAtlas.ts","../src/renderer/TextRenderLayer.ts","../src/renderer/SelectionRenderLayer.ts","../src/renderer/Renderer.ts","../src/renderer/LinkRenderLayer.ts","../src/renderer/GridCache.ts","../src/renderer/CursorRenderLayer.ts","../src/renderer/ColorManager.ts","../src/renderer/CharacterJoinerRegistry.ts","../src/renderer/BaseRenderLayer.ts","../src/public/Terminal.ts","../src/handlers/Clipboard.ts","../src/handlers/AltClickHandler.ts","../src/core/input/Keyboard.ts","../src/core/data/Charsets.ts","../src/common/data/EscapeSequences.ts","../src/common/Lifecycle.ts","../src/common/EventEmitter.ts","../src/common/CircularList.ts","../src/Viewport.ts","../src/Terminal.ts","../src/Strings.ts","../src/SoundManager.ts","../src/SelectionModel.ts","../src/SelectionManager.ts","../src/Linkifier.ts","../src/InputHandler.ts","../src/EscapeSequenceParser.ts","../src/CompositionHelper.ts","../src/CharWidth.ts","../src/BufferSet.ts","../src/BufferLine.ts","../src/Buffer.ts","../src/AccessibilityManager.ts","../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This file is the entry point for browserify.\n */\n\nimport { Terminal } from './public/Terminal';\n\nmodule.exports = Terminal;\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharMeasure } from '../Types';\nimport { IRenderer } from '../renderer/Types';\n\nexport class MouseHelper {\n  constructor(private _renderer: IRenderer) {}\n\n  public static getCoordsRelativeToElement(event: {pageX: number, pageY: number}, element: HTMLElement): [number, number] {\n    // Ignore browsers that don't support MouseEvent.pageX\n    if (event.pageX === null || event.pageX === undefined) {\n      return null;\n    }\n\n    const originalElement = element;\n    let x = event.pageX;\n    let y = event.pageY;\n\n    // Converts the coordinates from being relative to the document to being\n    // relative to the terminal.\n    while (element) {\n      x -= element.offsetLeft;\n      y -= element.offsetTop;\n      element = <HTMLElement>element.offsetParent;\n    }\n    element = originalElement;\n    while (element && element !== element.ownerDocument.body) {\n      x += element.scrollLeft;\n      y += element.scrollTop;\n      element = <HTMLElement>element.parentElement;\n    }\n    return [x, y];\n  }\n\n  /**\n   * Gets coordinates within the terminal for a particular mouse event. The result\n   * is returned as an array in the form [x, y] instead of an object as it's a\n   * little faster and this function is used in some low level code.\n   * @param event The mouse event.\n   * @param element The terminal's container element.\n   * @param charMeasure The char measure object used to determine character sizes.\n   * @param colCount The number of columns in the terminal.\n   * @param rowCount The number of rows n the terminal.\n   * @param isSelection Whether the request is for the selection or not. This will\n   * apply an offset to the x value such that the left half of the cell will\n   * select that cell and the right half will select the next cell.\n   */\n  public getCoords(event: {pageX: number, pageY: number}, element: HTMLElement, charMeasure: ICharMeasure, lineHeight: number, colCount: number, rowCount: number, isSelection?: boolean): [number, number] {\n    // Coordinates cannot be measured if charMeasure has not been initialized\n    if (!charMeasure.width || !charMeasure.height) {\n      return null;\n    }\n\n    const coords = MouseHelper.getCoordsRelativeToElement(event, element);\n    if (!coords) {\n      return null;\n    }\n\n    coords[0] = Math.ceil((coords[0] + (isSelection ? this._renderer.dimensions.actualCellWidth / 2 : 0)) / this._renderer.dimensions.actualCellWidth);\n    coords[1] = Math.ceil(coords[1] / this._renderer.dimensions.actualCellHeight);\n\n    // Ensure coordinates are within the terminal viewport. Note that selections\n    // need an addition point of precision to cover the end point (as characters\n    // cover half of one char and half of the next).\n    coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));\n    coords[1] = Math.min(Math.max(coords[1], 1), rowCount);\n\n    return coords;\n  }\n\n  /**\n   * Gets coordinates within the terminal for a particular mouse event, wrapping\n   * them to the bounds of the terminal and adding 32 to both the x and y values\n   * as expected by xterm.\n   * @param event The mouse event.\n   * @param element The terminal's container element.\n   * @param charMeasure The char measure object used to determine character sizes.\n   * @param colCount The number of columns in the terminal.\n   * @param rowCount The number of rows in the terminal.\n   */\n  public getRawByteCoords(event: MouseEvent, element: HTMLElement, charMeasure: ICharMeasure, lineHeight: number, colCount: number, rowCount: number): { x: number, y: number } {\n    const coords = this.getCoords(event, element, charMeasure, lineHeight, colCount, rowCount);\n    let x = coords[0];\n    let y = coords[1];\n\n    // xterm sends raw bytes and starts at 32 (SP) for each.\n    x += 32;\n    y += 32;\n\n    return { x, y };\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/*\n * A simple utility for cloning values\n */\nexport const clone = <T>(val: T, depth: number = 5): T => {\n  if (typeof val !== 'object') {\n    return val;\n  }\n\n  // cloning null always returns null\n  if (val === null) {\n    return null;\n  }\n\n  // If we're cloning an array, use an array as the base, otherwise use an object\n  const clonedObject: any = Array.isArray(val) ? [] : {};\n\n  for (const key in val) {\n    // Recursively clone eack item unless we're at the maximum depth\n    clonedObject[key] = depth <= 1 ? val[key] : clone(val[key], depth - 1);\n  }\n\n  return clonedObject as T;\n};\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from '../common/Lifecycle';\n\nexport type ScreenDprListener = (newDevicePixelRatio?: number, oldDevicePixelRatio?: number) => void;\n\n/**\n * The screen device pixel ratio monitor allows listening for when the\n * window.devicePixelRatio value changes. This is done not with polling but with\n * the use of window.matchMedia to watch media queries. When the event fires,\n * the listener will be reattached using a different media query to ensure that\n * any further changes will register.\n *\n * The listener should fire on both window zoom changes and switching to a\n * monitor with a different DPI.\n */\nexport class ScreenDprMonitor extends Disposable {\n  private _currentDevicePixelRatio: number;\n  private _outerListener: MediaQueryListListener;\n  private _listener: ScreenDprListener;\n  private _resolutionMediaMatchList: MediaQueryList;\n\n  public setListener(listener: ScreenDprListener): void {\n    if (this._listener) {\n      this.clearListener();\n    }\n    this._listener = listener;\n    this._outerListener = () => {\n      this._listener(window.devicePixelRatio, this._currentDevicePixelRatio);\n      this._updateDpr();\n    };\n    this._updateDpr();\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this.clearListener();\n  }\n\n  private _updateDpr(): void {\n    // Clear listeners for old DPR\n    if (this._resolutionMediaMatchList) {\n      this._resolutionMediaMatchList.removeListener(this._outerListener);\n    }\n    // Add listeners for new DPR\n    this._currentDevicePixelRatio = window.devicePixelRatio;\n    this._resolutionMediaMatchList = window.matchMedia(`screen and (resolution: ${window.devicePixelRatio}dppx)`);\n    this._resolutionMediaMatchList.addListener(this._outerListener);\n  }\n\n  public clearListener(): void {\n    if (!this._listener) {\n      return;\n    }\n    this._resolutionMediaMatchList.removeListener(this._outerListener);\n    this._listener = null;\n    this._outerListener = null;\n  }\n}\n","import { ITerminal } from '../Types';\nimport { IDisposable } from 'xterm';\n\n/**\n * Debounces calls to render terminal rows using animation frames.\n */\nexport class RenderDebouncer implements IDisposable {\n  private _rowStart: number;\n  private _rowEnd: number;\n  private _animationFrame: number = null;\n\n  constructor(\n    private _terminal: ITerminal,\n    private _callback: (start: number, end: number) => void\n  ) {\n  }\n\n  public dispose(): void {\n    if (this._animationFrame) {\n      window.cancelAnimationFrame(this._animationFrame);\n      this._animationFrame = null;\n    }\n  }\n\n  public refresh(rowStart: number, rowEnd: number): void {\n    // Get the min/max row start/end for the arg values\n    rowStart = rowStart !== null && rowStart !== undefined ? rowStart : 0;\n    rowEnd = rowEnd !== null && rowEnd !== undefined ? rowEnd : this._terminal.rows - 1;\n    // Check whether the row start/end values have already been set\n    const isRowStartSet = this._rowStart !== undefined && this._rowStart !== null;\n    const isRowEndSet = this._rowEnd !== undefined && this._rowEnd !== null;\n    // Set the properties to the updated values\n    this._rowStart = isRowStartSet ? Math.min(this._rowStart, rowStart) : rowStart;\n    this._rowEnd = isRowEndSet ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n    if (this._animationFrame) {\n      return;\n    }\n\n    this._animationFrame = window.requestAnimationFrame(() => this._innerRefresh());\n  }\n\n  private _innerRefresh(): void {\n    // Clamp values\n    this._rowStart = Math.max(this._rowStart, 0);\n    this._rowEnd = Math.min(this._rowEnd, this._terminal.rows - 1);\n\n    // Run render callback\n    this._callback(this._rowStart, this._rowEnd);\n\n    // Reset debouncer\n    this._rowStart = null;\n    this._rowEnd = null;\n    this._animationFrame = null;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../Types';\nimport { IMouseZoneManager, IMouseZone } from './Types';\nimport { Disposable } from '../common/Lifecycle';\nimport { addDisposableDomListener } from './Lifecycle';\n\nconst HOVER_DURATION = 500;\n\n/**\n * The MouseZoneManager allows components to register zones within the terminal\n * that trigger hover and click callbacks.\n *\n * This class was intentionally made not so robust initially as the only case it\n * needed to support was single-line links which never overlap. Improvements can\n * be made in the future.\n */\nexport class MouseZoneManager extends Disposable implements IMouseZoneManager {\n  private _zones: IMouseZone[] = [];\n\n  private _areZonesActive: boolean = false;\n  private _mouseMoveListener: (e: MouseEvent) => any;\n  private _clickListener: (e: MouseEvent) => any;\n\n  private _tooltipTimeout: number = null;\n  private _currentZone: IMouseZone = null;\n  private _lastHoverCoords: [number, number] = [null, null];\n\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    super();\n\n    this.register(addDisposableDomListener(this._terminal.element, 'mousedown', e => this._onMouseDown(e)));\n\n    // These events are expensive, only listen to it when mouse zones are active\n    this._mouseMoveListener = e => this._onMouseMove(e);\n    this._clickListener = e => this._onClick(e);\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._deactivate();\n  }\n\n  public add(zone: IMouseZone): void {\n    this._zones.push(zone);\n    if (this._zones.length === 1) {\n      this._activate();\n    }\n  }\n\n  public clearAll(start?: number, end?: number): void {\n    // Exit if there's nothing to clear\n    if (this._zones.length === 0) {\n      return;\n    }\n\n    // Clear all if start/end weren't set\n    if (!end) {\n      start = 0;\n      end = this._terminal.rows - 1;\n    }\n\n    // Iterate through zones and clear them out if they're within the range\n    for (let i = 0; i < this._zones.length; i++) {\n      const zone = this._zones[i];\n      if ((zone.y1 > start && zone.y1 <= end + 1) ||\n          (zone.y2 > start && zone.y2 <= end + 1) ||\n          (zone.y1 < start && zone.y2 > end + 1)) {\n        if (this._currentZone && this._currentZone === zone) {\n          this._currentZone.leaveCallback();\n          this._currentZone = null;\n        }\n        this._zones.splice(i--, 1);\n      }\n    }\n\n    // Deactivate the mouse zone manager if all the zones have been removed\n    if (this._zones.length === 0) {\n      this._deactivate();\n    }\n  }\n\n  private _activate(): void {\n    if (!this._areZonesActive) {\n      this._areZonesActive = true;\n      this._terminal.element.addEventListener('mousemove', this._mouseMoveListener);\n      this._terminal.element.addEventListener('click', this._clickListener);\n    }\n  }\n\n  private _deactivate(): void {\n    if (this._areZonesActive) {\n      this._areZonesActive = false;\n      this._terminal.element.removeEventListener('mousemove', this._mouseMoveListener);\n      this._terminal.element.removeEventListener('click', this._clickListener);\n    }\n  }\n\n  private _onMouseMove(e: MouseEvent): void {\n    // TODO: Ideally this would only clear the hover state when the mouse moves\n    // outside of the mouse zone\n    if (this._lastHoverCoords[0] !== e.pageX || this._lastHoverCoords[1] !== e.pageY) {\n      this._onHover(e);\n      // Record the current coordinates\n      this._lastHoverCoords = [e.pageX, e.pageY];\n    }\n  }\n\n  private _onHover(e: MouseEvent): void {\n    const zone = this._findZoneEventAt(e);\n\n    // Do nothing if the zone is the same\n    if (zone === this._currentZone) {\n      return;\n    }\n\n    // Fire the hover end callback and cancel any existing timer if a new zone\n    // is being hovered\n    if (this._currentZone) {\n      this._currentZone.leaveCallback();\n      this._currentZone = null;\n      if (this._tooltipTimeout) {\n        clearTimeout(this._tooltipTimeout);\n      }\n    }\n\n    // Exit if there is not zone\n    if (!zone) {\n      return;\n    }\n    this._currentZone = zone;\n\n    // Trigger the hover callback\n    if (zone.hoverCallback) {\n      zone.hoverCallback(e);\n    }\n\n    // Restart the tooltip timeout\n    this._tooltipTimeout = <number><any>setTimeout(() => this._onTooltip(e), HOVER_DURATION);\n  }\n\n  private _onTooltip(e: MouseEvent): void {\n    this._tooltipTimeout = null;\n    const zone = this._findZoneEventAt(e);\n    if (zone && zone.tooltipCallback) {\n      zone.tooltipCallback(e);\n    }\n  }\n\n  private _onMouseDown(e: MouseEvent): void {\n    // Ignore the event if there are no zones active\n    if (!this._areZonesActive) {\n      return;\n    }\n\n    // Find the active zone, prevent event propagation if found to prevent other\n    // components from handling the mouse event.\n    const zone = this._findZoneEventAt(e);\n    if (zone) {\n      if (zone.willLinkActivate(e)) {\n        e.preventDefault();\n        e.stopImmediatePropagation();\n      }\n    }\n  }\n\n  private _onClick(e: MouseEvent): void {\n    // Find the active zone and click it if found\n    const zone = this._findZoneEventAt(e);\n    if (zone) {\n      zone.clickCallback(e);\n      e.preventDefault();\n      e.stopImmediatePropagation();\n    }\n  }\n\n  private _findZoneEventAt(e: MouseEvent): IMouseZone {\n    const coords = this._terminal.mouseHelper.getCoords(e, this._terminal.screenElement, this._terminal.charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows);\n    if (!coords) {\n      return null;\n    }\n    const x = coords[0];\n    const y = coords[1];\n    for (let i = 0; i < this._zones.length; i++) {\n      const zone = this._zones[i];\n      if (zone.y1 === zone.y2) {\n        // Single line link\n        if (y === zone.y1 && x >= zone.x1 && x < zone.x2) {\n          return zone;\n        }\n      } else {\n        // Multi-line link\n        if ((y === zone.y1 && x >= zone.x1) ||\n            (y === zone.y2 && x < zone.x2) ||\n            (y > zone.y1 && y < zone.y2)) {\n          return zone;\n        }\n      }\n    }\n    return null;\n  }\n}\n\nexport class MouseZone implements IMouseZone {\n  constructor(\n    public x1: number,\n    public y1: number,\n    public x2: number,\n    public y2: number,\n    public clickCallback: (e: MouseEvent) => any,\n    public hoverCallback: (e: MouseEvent) => any,\n    public tooltipCallback: (e: MouseEvent) => any,\n    public leaveCallback: () => void,\n    public willLinkActivate: (e: MouseEvent) => boolean\n  ) {\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'xterm';\n\n/**\n * Adds a disposabe listener to a node in the DOM, returning the disposable.\n * @param type The event type.\n * @param handler The handler for the listener.\n */\nexport function addDisposableDomListener(\n  node: Element | Window | Document,\n  type: string,\n  handler: (e: any) => void,\n  useCapture?: boolean\n): IDisposable {\n  node.addEventListener(type, handler, useCapture);\n  return {\n    dispose: () => {\n      if (!handler) {\n        // Already disposed\n        return;\n      }\n      node.removeEventListener(type, handler, useCapture);\n      node = null;\n      handler = null;\n    }\n  };\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharMeasure, ITerminalOptions } from '../Types';\nimport { EventEmitter } from '../common/EventEmitter';\n\n/**\n * Utility class that measures the size of a character. Measurements are done in\n * the DOM rather than with a canvas context because support for extracting the\n * height of characters is patchy across browsers.\n */\nexport class CharMeasure extends EventEmitter implements ICharMeasure {\n  private _document: Document;\n  private _parentElement: HTMLElement;\n  private _measureElement: HTMLElement;\n  private _width: number;\n  private _height: number;\n\n  constructor(document: Document, parentElement: HTMLElement) {\n    super();\n    this._document = document;\n    this._parentElement = parentElement;\n    this._measureElement = this._document.createElement('span');\n    this._measureElement.classList.add('xterm-char-measure-element');\n    this._measureElement.textContent = 'W';\n    this._measureElement.setAttribute('aria-hidden', 'true');\n    this._parentElement.appendChild(this._measureElement);\n  }\n\n  public get width(): number {\n    return this._width;\n  }\n\n  public get height(): number {\n    return this._height;\n  }\n\n  public measure(options: ITerminalOptions): void {\n  this._measureElement.style.fontFamily = options.fontFamily;\n    this._measureElement.style.fontSize = `${options.fontSize}px`;\n    const geometry = this._measureElement.getBoundingClientRect();\n    // The element is likely currently display:none, we should retain the\n    // previous value.\n    if (geometry.width === 0 || geometry.height === 0) {\n      return;\n    }\n    if (this._width !== geometry.width || this._height !== geometry.height) {\n      this._width = geometry.width;\n      this._height = Math.ceil(geometry.height);\n      this.emit('charsizechanged');\n    }\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);\nexport const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n\n/**\n * Return if the given array contains the given element\n * @param arr The array to search for the given element.\n * @param el The element to look for into the array\n */\nfunction contains(arr: any[], el: any): boolean {\n  return arr.indexOf(el) >= 0;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { FontWeight } from 'xterm';\nimport { IColorSet } from '../Types';\n\nexport const CHAR_ATLAS_CELL_SPACING = 1;\n\nexport interface ICharAtlasConfig {\n  type: 'none' | 'static' | 'dynamic';\n  devicePixelRatio: number;\n  fontSize: number;\n  fontFamily: string;\n  fontWeight: FontWeight;\n  fontWeightBold: FontWeight;\n  scaledCharWidth: number;\n  scaledCharHeight: number;\n  allowTransparency: boolean;\n  colors: IColorSet;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { FontWeight } from 'xterm';\nimport { CHAR_ATLAS_CELL_SPACING, ICharAtlasConfig } from './Types';\nimport { IColor } from '../Types';\nimport { isFirefox, isSafari } from '../utils/Browser';\n\ndeclare const Promise: any;\n\nexport interface IOffscreenCanvas {\n  width: number;\n  height: number;\n  getContext(type: '2d', config?: Canvas2DContextAttributes): CanvasRenderingContext2D;\n  transferToImageBitmap(): ImageBitmap;\n}\n\n/**\n * Generates a char atlas.\n * @param context The window or worker context.\n * @param canvasFactory A function to generate a canvas with a width or height.\n * @param config The config for the new char atlas.\n */\nexport function generateStaticCharAtlasTexture(context: Window, canvasFactory: (width: number, height: number) => HTMLCanvasElement | IOffscreenCanvas, config: ICharAtlasConfig): HTMLCanvasElement | Promise<ImageBitmap> {\n  const cellWidth = config.scaledCharWidth + CHAR_ATLAS_CELL_SPACING;\n  const cellHeight = config.scaledCharHeight + CHAR_ATLAS_CELL_SPACING;\n  const canvas = canvasFactory(\n    /*255 ascii chars*/255 * cellWidth,\n    (/*default+default bold*/2 + /*0-15*/16 + /*0-15 bold*/16) * cellHeight\n  );\n  const ctx = canvas.getContext('2d', {alpha: config.allowTransparency});\n\n  ctx.fillStyle = config.colors.background.css;\n  ctx.fillRect(0, 0, canvas.width, canvas.height);\n\n  ctx.save();\n  ctx.fillStyle = config.colors.foreground.css;\n  ctx.font = getFont(config.fontWeight, config);\n  ctx.textBaseline = 'top';\n\n  // Default color\n  for (let i = 0; i < 256; i++) {\n    ctx.save();\n    ctx.beginPath();\n    ctx.rect(i * cellWidth, 0, cellWidth, cellHeight);\n    ctx.clip();\n    ctx.fillText(String.fromCharCode(i), i * cellWidth, 0);\n    ctx.restore();\n  }\n  // Default color bold\n  ctx.save();\n  ctx.font = getFont(config.fontWeightBold, config);\n  for (let i = 0; i < 256; i++) {\n    ctx.save();\n    ctx.beginPath();\n    ctx.rect(i * cellWidth, cellHeight, cellWidth, cellHeight);\n    ctx.clip();\n    ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight);\n    ctx.restore();\n  }\n  ctx.restore();\n\n  // Colors 0-15\n  ctx.font = getFont(config.fontWeight, config);\n  for (let colorIndex = 0; colorIndex < 16; colorIndex++) {\n    const y = (colorIndex + 2) * cellHeight;\n    // Draw ascii characters\n    for (let i = 0; i < 256; i++) {\n      ctx.save();\n      ctx.beginPath();\n      ctx.rect(i * cellWidth, y, cellWidth, cellHeight);\n      ctx.clip();\n      ctx.fillStyle = config.colors.ansi[colorIndex].css;\n      ctx.fillText(String.fromCharCode(i), i * cellWidth, y);\n      ctx.restore();\n    }\n  }\n\n  // Colors 0-15 bold\n  ctx.font = getFont(config.fontWeightBold, config);\n  for (let colorIndex = 0; colorIndex < 16; colorIndex++) {\n    const y = (colorIndex + 2 + 16) * cellHeight;\n    // Draw ascii characters\n    for (let i = 0; i < 256; i++) {\n      ctx.save();\n      ctx.beginPath();\n      ctx.rect(i * cellWidth, y, cellWidth, cellHeight);\n      ctx.clip();\n      ctx.fillStyle = config.colors.ansi[colorIndex].css;\n      ctx.fillText(String.fromCharCode(i), i * cellWidth, y);\n      ctx.restore();\n    }\n  }\n  ctx.restore();\n\n  // Support is patchy for createImageBitmap at the moment, pass a canvas back\n  // if support is lacking as drawImage works there too. Firefox is also\n  // included here as ImageBitmap appears both buggy and has horrible\n  // performance (tested on v55).\n  if (!('createImageBitmap' in context) || isFirefox || isSafari) {\n    // Don't attempt to clear background colors if createImageBitmap is not supported\n    if (canvas instanceof HTMLCanvasElement) {\n      // Just return the HTMLCanvas if it's a HTMLCanvasElement\n      return canvas;\n    }\n    // Transfer to an ImageBitmap is this is an OffscreenCanvas\n    return new Promise((r: (bitmap: ImageBitmap) => void) => r(canvas.transferToImageBitmap()));\n  }\n\n  const charAtlasImageData = ctx.getImageData(0, 0, canvas.width, canvas.height);\n\n  // Remove the background color from the image so characters may overlap\n  clearColor(charAtlasImageData, config.colors.background);\n\n  return context.createImageBitmap(charAtlasImageData);\n}\n\n/**\n * Makes a partiicular rgb color in an ImageData completely transparent.\n * @returns True if the result is \"empty\", meaning all pixels are fully transparent.\n */\nexport function clearColor(imageData: ImageData, color: IColor): boolean {\n  let isEmpty = true;\n  const r = color.rgba >>> 24;\n  const g = color.rgba >>> 16 & 0xFF;\n  const b = color.rgba >>> 8 & 0xFF;\n  for (let offset = 0; offset < imageData.data.length; offset += 4) {\n    if (imageData.data[offset] === r &&\n        imageData.data[offset + 1] === g &&\n        imageData.data[offset + 2] === b) {\n      imageData.data[offset + 3] = 0;\n    } else {\n      isEmpty = false;\n    }\n  }\n  return isEmpty;\n}\n\nfunction getFont(fontWeight: FontWeight, config: ICharAtlasConfig): string {\n  return `${fontWeight} ${config.fontSize * config.devicePixelRatio}px ${config.fontFamily}`;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_ATTR_INDEX, CHAR_DATA_WIDTH_INDEX } from '../../Buffer';\nimport { FLAGS } from '../Types';\nimport { IBufferLine } from '../../Types';\n\nexport const BOLD_CLASS = 'xterm-bold';\nexport const ITALIC_CLASS = 'xterm-italic';\nexport const CURSOR_CLASS = 'xterm-cursor';\nexport const CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';\nexport const CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';\nexport const CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';\n\nexport class DomRendererRowFactory {\n  constructor(\n    private _document: Document\n  ) {\n  }\n\n  public createRow(lineData: IBufferLine, isCursorRow: boolean, cursorStyle: string | undefined, cursorX: number, cellWidth: number, cols: number): DocumentFragment {\n    const fragment = this._document.createDocumentFragment();\n    let colCount = 0;\n\n    for (let x = 0; x < lineData.length; x++) {\n      // Don't allow any buffer to the right to be displayed\n      if (colCount >= cols) {\n        continue;\n      }\n\n      const charData = lineData.get(x);\n      const char: string = charData[CHAR_DATA_CHAR_INDEX];\n      const attr: number = charData[CHAR_DATA_ATTR_INDEX];\n      const width: number = charData[CHAR_DATA_WIDTH_INDEX];\n\n      // The character to the left is a wide character, drawing is owned by the char at x-1\n      if (width === 0) {\n        continue;\n      }\n\n      const charElement = this._document.createElement('span');\n      if (width > 1) {\n        charElement.style.width = `${cellWidth * width}px`;\n      }\n\n      const flags = attr >> 18;\n      let bg = attr & 0x1ff;\n      let fg = (attr >> 9) & 0x1ff;\n\n      if (isCursorRow && x === cursorX) {\n        charElement.classList.add(CURSOR_CLASS);\n\n        switch (cursorStyle) {\n          case 'bar':\n            charElement.classList.add(CURSOR_STYLE_BAR_CLASS);\n            break;\n          case 'underline':\n            charElement.classList.add(CURSOR_STYLE_UNDERLINE_CLASS);\n            break;\n          default:\n            charElement.classList.add(CURSOR_STYLE_BLOCK_CLASS);\n            break;\n        }\n      }\n\n      // If inverse flag is on, the foreground should become the background.\n      if (flags & FLAGS.INVERSE) {\n        const temp = bg;\n        bg = fg;\n        fg = temp;\n        if (fg === 256) {\n          fg = 0;\n        }\n        if (bg === 257) {\n          bg = 15;\n        }\n      }\n\n      if (flags & FLAGS.BOLD) {\n        // Convert the FG color to the bold variant\n        if (fg < 8) {\n          fg += 8;\n        }\n        charElement.classList.add(BOLD_CLASS);\n      }\n\n      if (flags & FLAGS.ITALIC) {\n        charElement.classList.add(ITALIC_CLASS);\n      }\n\n      charElement.textContent = char;\n      if (fg !== 257) {\n        charElement.classList.add(`xterm-fg-${fg}`);\n      }\n      if (bg !== 256) {\n        charElement.classList.add(`xterm-bg-${bg}`);\n      }\n      fragment.appendChild(charElement);\n      colCount += width;\n    }\n    return fragment;\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderer, IRenderDimensions, IColorSet } from '../Types';\nimport { ILinkHoverEvent, ITerminal, CharacterJoinerHandler, LinkHoverEventTypes } from '../../Types';\nimport { ITheme } from 'xterm';\nimport { EventEmitter } from '../../common/EventEmitter';\nimport { ColorManager } from '../ColorManager';\nimport { RenderDebouncer } from '../../ui/RenderDebouncer';\nimport { BOLD_CLASS, ITALIC_CLASS, CURSOR_CLASS, CURSOR_STYLE_BLOCK_CLASS, CURSOR_STYLE_BAR_CLASS, CURSOR_STYLE_UNDERLINE_CLASS, DomRendererRowFactory } from './DomRendererRowFactory';\n\nconst TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';\nconst ROW_CONTAINER_CLASS = 'xterm-rows';\nconst FG_CLASS_PREFIX = 'xterm-fg-';\nconst BG_CLASS_PREFIX = 'xterm-bg-';\nconst FOCUS_CLASS = 'xterm-focus';\nconst SELECTION_CLASS = 'xterm-selection';\n\nlet nextTerminalId = 1;\n\n// TODO: Pull into an addon when TS composite projects allow easier sharing of code (not just\n// interfaces) between core and addons\n\n/**\n * A fallback renderer for when canvas is slow. This is not meant to be\n * particularly fast or feature complete, more just stable and usable for when\n * canvas is not an option.\n */\nexport class DomRenderer extends EventEmitter implements IRenderer {\n  private _renderDebouncer: RenderDebouncer;\n  private _rowFactory: DomRendererRowFactory;\n  private _terminalClass: number = nextTerminalId++;\n\n  private _themeStyleElement: HTMLStyleElement;\n  private _dimensionsStyleElement: HTMLStyleElement;\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[] = [];\n  private _selectionContainer: HTMLElement;\n\n  public dimensions: IRenderDimensions;\n  public colorManager: ColorManager;\n\n  constructor(private _terminal: ITerminal, theme: ITheme | undefined) {\n    super();\n    const allowTransparency = this._terminal.options.allowTransparency;\n    this.colorManager = new ColorManager(document, allowTransparency);\n    this.setTheme(theme);\n\n    this._rowContainer = document.createElement('div');\n    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);\n    this._rowContainer.style.lineHeight = 'normal';\n    this._rowContainer.setAttribute('aria-hidden', 'true');\n    this._refreshRowElements(this._terminal.cols, this._terminal.rows);\n    this._selectionContainer = document.createElement('div');\n    this._selectionContainer.classList.add(SELECTION_CLASS);\n    this._selectionContainer.setAttribute('aria-hidden', 'true');\n\n    this.dimensions = {\n      scaledCharWidth: null,\n      scaledCharHeight: null,\n      scaledCellWidth: null,\n      scaledCellHeight: null,\n      scaledCharLeft: null,\n      scaledCharTop: null,\n      scaledCanvasWidth: null,\n      scaledCanvasHeight: null,\n      canvasWidth: null,\n      canvasHeight: null,\n      actualCellWidth: null,\n      actualCellHeight: null\n    };\n    this._updateDimensions();\n\n    this._renderDebouncer = new RenderDebouncer(this._terminal, this._renderRows.bind(this));\n    this._rowFactory = new DomRendererRowFactory(document);\n\n    this._terminal.element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);\n    this._terminal.screenElement.appendChild(this._rowContainer);\n    this._terminal.screenElement.appendChild(this._selectionContainer);\n\n    this._terminal.linkifier.on(LinkHoverEventTypes.HOVER, (e: ILinkHoverEvent) => this._onLinkHover(e));\n    this._terminal.linkifier.on(LinkHoverEventTypes.LEAVE, (e: ILinkHoverEvent) => this._onLinkLeave(e));\n  }\n\n  public dispose(): void {\n    this._terminal.element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);\n    this._terminal.screenElement.removeChild(this._rowContainer);\n    this._terminal.screenElement.removeChild(this._selectionContainer);\n    this._terminal.screenElement.removeChild(this._themeStyleElement);\n    this._terminal.screenElement.removeChild(this._dimensionsStyleElement);\n    super.dispose();\n  }\n\n  private _updateDimensions(): void {\n    this.dimensions.scaledCharWidth = this._terminal.charMeasure.width * window.devicePixelRatio;\n    this.dimensions.scaledCharHeight = this._terminal.charMeasure.height * window.devicePixelRatio;\n    this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth;\n    this.dimensions.scaledCellHeight = this.dimensions.scaledCharHeight;\n    this.dimensions.scaledCharLeft = 0;\n    this.dimensions.scaledCharTop = 0;\n    this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;\n    this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;\n    this.dimensions.canvasWidth = this._terminal.charMeasure.width * this._terminal.cols;\n    this.dimensions.canvasHeight = this._terminal.charMeasure.height * this._terminal.rows;\n    this.dimensions.actualCellWidth = this._terminal.charMeasure.width;\n    this.dimensions.actualCellHeight = this._terminal.charMeasure.height;\n\n    this._rowElements.forEach(element => {\n      element.style.width = `${this.dimensions.canvasWidth}px`;\n      element.style.height = `${this._terminal.charMeasure.height}px`;\n    });\n\n    if (!this._dimensionsStyleElement) {\n      this._dimensionsStyleElement = document.createElement('style');\n      this._terminal.screenElement.appendChild(this._dimensionsStyleElement);\n    }\n\n    const styles =\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +\n        ` display: inline-block;` +\n        ` height: 100%;` +\n        ` vertical-align: top;` +\n        ` width: ${this._terminal.charMeasure.width}px` +\n        `}`;\n\n    this._dimensionsStyleElement.innerHTML = styles;\n\n    this._selectionContainer.style.height = (<any>this._terminal)._viewportElement.style.height;\n    this._rowContainer.style.width = `${this.dimensions.canvasWidth}px`;\n    this._rowContainer.style.height = `${this.dimensions.canvasHeight}px`;\n  }\n\n  public setTheme(theme: ITheme | undefined): IColorSet {\n    if (theme) {\n      this.colorManager.setTheme(theme);\n    }\n\n    if (!this._themeStyleElement) {\n      this._themeStyleElement = document.createElement('style');\n      this._terminal.screenElement.appendChild(this._themeStyleElement);\n    }\n\n    // Base CSS\n    let styles =\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +\n        ` color: ${this.colorManager.colors.foreground.css};` +\n        ` background-color: ${this.colorManager.colors.background.css};` +\n        ` font-family: ${this._terminal.getOption('fontFamily')};` +\n        ` font-size: ${this._terminal.getOption('fontSize')}px;` +\n        `}`;\n    // Text styles\n    styles +=\n        `${this._terminalSelector} span:not(.${BOLD_CLASS}) {` +\n        ` font-weight: ${this._terminal.options.fontWeight};` +\n        `}` +\n        `${this._terminalSelector} span.${BOLD_CLASS} {` +\n        ` font-weight: ${this._terminal.options.fontWeightBold};` +\n        `}` +\n        `${this._terminalSelector} span.${ITALIC_CLASS} {` +\n        ` font-style: italic;` +\n        `}`;\n    // Cursor\n    styles +=\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}:not(.${FOCUS_CLASS}) .${CURSOR_CLASS} {` +\n        ` outline: 1px solid ${this.colorManager.colors.cursor.css};` +\n        ` outline-offset: -1px;` +\n        `}` +\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +\n        ` background-color: ${this.colorManager.colors.cursor.css};` +\n        ` color: ${this.colorManager.colors.cursorAccent.css};` +\n        `}` +\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BAR_CLASS} {` +\n        ` box-shadow: 1px 0 0 ${this.colorManager.colors.cursor.css} inset;` +\n        `}` +\n        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_UNDERLINE_CLASS} {` +\n        ` box-shadow: 0 -1px 0 ${this.colorManager.colors.cursor.css} inset;` +\n        `}`;\n    // Selection\n    styles +=\n        `${this._terminalSelector} .${SELECTION_CLASS} {` +\n        ` position: absolute;` +\n        ` top: 0;` +\n        ` left: 0;` +\n        ` z-index: 1;` +\n        ` pointer-events: none;` +\n        `}` +\n        `${this._terminalSelector} .${SELECTION_CLASS} div {` +\n        ` position: absolute;` +\n        ` background-color: ${this.colorManager.colors.selection.css};` +\n        `}`;\n    // Colors\n    this.colorManager.colors.ansi.forEach((c, i) => {\n      styles +=\n          `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +\n          `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;\n    });\n\n    this._themeStyleElement.innerHTML = styles;\n    return this.colorManager.colors;\n  }\n\n  public onWindowResize(devicePixelRatio: number): void {\n    this._updateDimensions();\n  }\n\n  private _refreshRowElements(cols: number, rows: number): void {\n    // Add missing elements\n    for (let i = this._rowElements.length; i <= rows; i++) {\n      const row = document.createElement('div');\n      this._rowContainer.appendChild(row);\n      this._rowElements.push(row);\n    }\n    // Remove excess elements\n    while (this._rowElements.length > rows) {\n      this._rowContainer.removeChild(this._rowElements.pop());\n    }\n  }\n\n  public onResize(cols: number, rows: number): void {\n    this._refreshRowElements(cols, rows);\n    this._updateDimensions();\n  }\n\n  public onCharSizeChanged(): void {\n    this._updateDimensions();\n  }\n\n  public onBlur(): void {\n    this._rowContainer.classList.remove(FOCUS_CLASS);\n  }\n\n  public onFocus(): void {\n    this._rowContainer.classList.add(FOCUS_CLASS);\n  }\n\n  public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n    // Remove all selections\n    while (this._selectionContainer.children.length) {\n      this._selectionContainer.removeChild(this._selectionContainer.children[0]);\n    }\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = start[1] - this._terminal.buffer.ydisp;\n    const viewportEndRow = end[1] - this._terminal.buffer.ydisp;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    // Create the selections\n    const documentFragment = document.createDocumentFragment();\n\n    if (columnSelectMode) {\n      documentFragment.appendChild(\n        this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1)\n      );\n    } else {\n      // Draw first row\n      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n      const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n      // Draw middle rows\n      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n      // Draw final row\n      if (viewportCappedStartRow !== viewportCappedEndRow) {\n        // Only draw viewportEndRow if it's not the same as viewporttartRow\n        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n      }\n    }\n    this._selectionContainer.appendChild(documentFragment);\n  }\n\n  /**\n   * Creates a selection element at the specified position.\n   * @param row The row of the selection.\n   * @param colStart The start column.\n   * @param colEnd The end columns.\n   */\n  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n    const element = document.createElement('div');\n    element.style.height = `${rowCount * this._terminal.charMeasure.height}px`;\n    element.style.top = `${row * this._terminal.charMeasure.height}px`;\n    element.style.left = `${colStart * this._terminal.charMeasure.width}px`;\n    element.style.width = `${this._terminal.charMeasure.width * (colEnd - colStart)}px`;\n    return element;\n  }\n\n  public onCursorMove(): void {\n    // No-op, the cursor is drawn when rows are drawn\n  }\n\n  public onOptionsChanged(): void {\n    // Force a refresh\n    this._updateDimensions();\n    this.setTheme(undefined);\n    this._terminal.refresh(0, this._terminal.rows - 1);\n  }\n\n  public clear(): void {\n    this._rowElements.forEach(e => e.innerHTML = '');\n  }\n\n  public refreshRows(start: number, end: number): void {\n    this._renderDebouncer.refresh(start, end);\n  }\n\n  private _renderRows(start: number, end: number): void {\n    const terminal = this._terminal;\n\n    const cursorAbsoluteY = terminal.buffer.ybase + terminal.buffer.y;\n    const cursorX = this._terminal.buffer.x;\n\n    for (let y = start; y <= end; y++) {\n      const rowElement = this._rowElements[y];\n      rowElement.innerHTML = '';\n\n      const row = y + terminal.buffer.ydisp;\n      const lineData = terminal.buffer.lines.get(row);\n      const cursorStyle = terminal.options.cursorStyle;\n      rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, terminal.charMeasure.width, terminal.cols));\n    }\n\n    this._terminal.emit('refresh', {start, end});\n  }\n\n  private get _terminalSelector(): string {\n    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;\n  }\n\n  public registerCharacterJoiner(handler: CharacterJoinerHandler): number { return -1; }\n  public deregisterCharacterJoiner(joinerId: number): boolean { return false; }\n\n  private _onLinkHover(e: ILinkHoverEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);\n  }\n\n  private _onLinkLeave(e: ILinkHoverEvent): void {\n    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);\n  }\n\n  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {\n    while (x !== x2 || y !== y2) {\n      const span = <HTMLElement>this._rowElements[y].children[x];\n      span.style.textDecoration = enabled ? 'underline' : 'none';\n      x = (x + 1) % cols;\n      if (x === 0) {\n        y++;\n      }\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const INVERTED_DEFAULT_COLOR = -1;\nexport const DIM_OPACITY = 0.5;\n\nexport interface IGlyphIdentifier {\n  chars: string;\n  code: number;\n  bg: number;\n  fg: number;\n  bold: boolean;\n  dim: boolean;\n  italic: boolean;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DIM_OPACITY, IGlyphIdentifier } from './Types';\nimport { CHAR_ATLAS_CELL_SPACING, ICharAtlasConfig } from '../../shared/atlas/Types';\nimport { generateStaticCharAtlasTexture } from '../../shared/atlas/CharAtlasGenerator';\nimport BaseCharAtlas from './BaseCharAtlas';\n\nexport default class StaticCharAtlas extends BaseCharAtlas {\n  private _texture: HTMLCanvasElement | ImageBitmap;\n\n  constructor(private _document: Document, private _config: ICharAtlasConfig) {\n    super();\n  }\n\n  private _canvasFactory = (width: number, height: number) => {\n    const canvas = this._document.createElement('canvas');\n    canvas.width = width;\n    canvas.height = height;\n\n    // This is useful for debugging\n    // document.body.appendChild(canvas);\n\n    return canvas;\n  }\n\n  protected _doWarmUp(): void {\n    const result = generateStaticCharAtlasTexture(window, this._canvasFactory, this._config);\n    if (result instanceof HTMLCanvasElement) {\n      this._texture = result;\n    } else {\n      result.then(texture => {\n        this._texture = texture;\n      });\n    }\n  }\n\n  private _isCached(glyph: IGlyphIdentifier, colorIndex: number): boolean {\n    const isAscii = glyph.code < 256;\n    // A color is basic if it is one of the 4 bit ANSI colors.\n    const isBasicColor = glyph.fg < 16;\n    const isDefaultColor = glyph.fg >= 256;\n    const isDefaultBackground = glyph.bg >= 256;\n    return isAscii && (isBasicColor || isDefaultColor) && isDefaultBackground && !glyph.italic;\n  }\n\n  public draw(\n    ctx: CanvasRenderingContext2D,\n    glyph: IGlyphIdentifier,\n    x: number,\n    y: number\n  ): boolean {\n    // we're not warmed up yet\n    if (this._texture === null || this._texture === undefined) {\n      return false;\n    }\n\n    let colorIndex = 0;\n    if (glyph.fg < 256) {\n      colorIndex = 2 + glyph.fg + (glyph.bold ? 16 : 0);\n    } else {\n      // If default color and bold\n      if (glyph.bold) {\n        colorIndex = 1;\n      }\n    }\n    if (!this._isCached(glyph, colorIndex)) {\n      return false;\n    }\n\n    ctx.save();\n\n    // ImageBitmap's draw about twice as fast as from a canvas\n    const charAtlasCellWidth = this._config.scaledCharWidth + CHAR_ATLAS_CELL_SPACING;\n    const charAtlasCellHeight = this._config.scaledCharHeight + CHAR_ATLAS_CELL_SPACING;\n\n    // Apply alpha to dim the character\n    if (glyph.dim) {\n      ctx.globalAlpha = DIM_OPACITY;\n    }\n\n    ctx.drawImage(\n      this._texture,\n      glyph.code * charAtlasCellWidth,\n      colorIndex * charAtlasCellHeight,\n      charAtlasCellWidth,\n      this._config.scaledCharHeight,\n      x,\n      y,\n      charAtlasCellWidth,\n      this._config.scaledCharHeight\n    );\n\n    ctx.restore();\n\n    return true;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * A dummy CharAtlas implementation that always fails to draw characters.\n */\n\nimport { IGlyphIdentifier } from './Types';\nimport { ICharAtlasConfig } from '../../shared/atlas/Types';\nimport BaseCharAtlas from './BaseCharAtlas';\n\nexport default class NoneCharAtlas extends BaseCharAtlas {\n  constructor(document: Document, config: ICharAtlasConfig) {\n    super();\n  }\n\n  public draw(\n    ctx: CanvasRenderingContext2D,\n    glyph: IGlyphIdentifier,\n    x: number,\n    y: number\n  ): boolean {\n    return false;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface ILinkedListNode<T> {\n  prev: ILinkedListNode<T>;\n  next: ILinkedListNode<T>;\n  key: number;\n  value: T;\n}\n\nexport default class LRUMap<T> {\n  private _map: { [key: number]: ILinkedListNode<T> } = {};\n  private _head: ILinkedListNode<T> = null;\n  private _tail: ILinkedListNode<T> = null;\n  private _nodePool: ILinkedListNode<T>[] = [];\n  public size: number = 0;\n\n  constructor(public capacity: number) { }\n\n  private _unlinkNode(node: ILinkedListNode<T>): void {\n    const prev = node.prev;\n    const next = node.next;\n    if (node === this._head) {\n      this._head = next;\n    }\n    if (node === this._tail) {\n      this._tail = prev;\n    }\n    if (prev !== null) {\n      prev.next = next;\n    }\n    if (next !== null) {\n      next.prev = prev;\n    }\n  }\n\n  private _appendNode(node: ILinkedListNode<T>): void {\n    const tail = this._tail;\n    if (tail !== null) {\n      tail.next = node;\n    }\n    node.prev = tail;\n    node.next = null;\n    this._tail = node;\n    if (this._head === null) {\n      this._head = node;\n    }\n  }\n\n  /**\n   * Preallocate a bunch of linked-list nodes. Allocating these nodes ahead of time means that\n   * they're more likely to live next to each other in memory, which seems to improve performance.\n   *\n   * Each empty object only consumes about 60 bytes of memory, so this is pretty cheap, even for\n   * large maps.\n   */\n  public prealloc(count: number): void {\n    const nodePool = this._nodePool;\n    for (let i = 0; i < count; i++) {\n      nodePool.push({\n        prev: null,\n        next: null,\n        key: null,\n        value: null\n      });\n    }\n  }\n\n  public get(key: number): T | null {\n    // This is unsafe: We're assuming our keyspace doesn't overlap with Object.prototype. However,\n    // it's faster than calling hasOwnProperty, and in our case, it would never overlap.\n    const node = this._map[key];\n    if (node !== undefined) {\n      this._unlinkNode(node);\n      this._appendNode(node);\n      return node.value;\n    }\n    return null;\n  }\n\n  /**\n   * Gets a value from a key without marking it as the most recently used item.\n   */\n  public peekValue(key: number): T | null {\n    const node = this._map[key];\n    if (node !== undefined) {\n      return node.value;\n    }\n    return null;\n  }\n\n  public peek(): T | null {\n    const head = this._head;\n    return head === null ? null : head.value;\n  }\n\n  public set(key: number, value: T): void {\n    // This is unsafe: See note above.\n    let node = this._map[key];\n    if (node !== undefined) {\n      // already exists, we just need to mutate it and move it to the end of the list\n      node = this._map[key];\n      this._unlinkNode(node);\n      node.value = value;\n    } else if (this.size >= this.capacity) {\n      // we're out of space: recycle the head node, move it to the tail\n      node = this._head;\n      this._unlinkNode(node);\n      delete this._map[node.key];\n      node.key = key;\n      node.value = value;\n      this._map[key] = node;\n    } else {\n      // make a new element\n      const nodePool = this._nodePool;\n      if (nodePool.length > 0) {\n        // use a preallocated node if we can\n        node = nodePool.pop();\n        node.key = key;\n        node.value = value;\n      } else {\n        node = {\n          prev: null,\n          next: null,\n          key,\n          value\n        };\n      }\n      this._map[key] = node;\n      this.size++;\n    }\n    this._appendNode(node);\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DIM_OPACITY, IGlyphIdentifier, INVERTED_DEFAULT_COLOR } from './Types';\nimport { ICharAtlasConfig } from '../../shared/atlas/Types';\nimport { IColor } from '../../shared/Types';\nimport BaseCharAtlas from './BaseCharAtlas';\nimport { DEFAULT_ANSI_COLORS } from '../ColorManager';\nimport { clearColor } from '../../shared/atlas/CharAtlasGenerator';\nimport LRUMap from './LRUMap';\nimport { isFirefox, isSafari } from '../../shared/utils/Browser';\n\n// In practice we're probably never going to exhaust a texture this large. For debugging purposes,\n// however, it can be useful to set this to a really tiny value, to verify that LRU eviction works.\nconst TEXTURE_WIDTH = 1024;\nconst TEXTURE_HEIGHT = 1024;\n\nconst TRANSPARENT_COLOR = {\n  css: 'rgba(0, 0, 0, 0)',\n  rgba: 0\n};\n\n// Drawing to the cache is expensive: If we have to draw more than this number of glyphs to the\n// cache in a single frame, give up on trying to cache anything else, and try to finish the current\n// frame ASAP.\n//\n// This helps to limit the amount of damage a program can do when it would otherwise thrash the\n// cache.\nconst FRAME_CACHE_DRAW_LIMIT = 100;\n\n/**\n * The number of milliseconds to wait before generating the ImageBitmap, this is to debounce/batch\n * the operation as window.createImageBitmap is asynchronous.\n */\nconst GLYPH_BITMAP_COMMIT_DELAY = 100;\n\ninterface IGlyphCacheValue {\n  index: number;\n  isEmpty: boolean;\n  inBitmap: boolean;\n}\n\nfunction getGlyphCacheKey(glyph: IGlyphIdentifier): number {\n  // Note that this only returns a valid key when code < 256\n  // Layout:\n  // 0b00000000000000000000000000000001: italic (1)\n  // 0b00000000000000000000000000000010: dim (1)\n  // 0b00000000000000000000000000000100: bold (1)\n  // 0b00000000000000000000111111111000: fg (9)\n  // 0b00000000000111111111000000000000: bg (9)\n  // 0b00011111111000000000000000000000: code (8)\n  // 0b11100000000000000000000000000000: unused (3)\n  return glyph.code << 21 | glyph.bg << 12 | glyph.fg << 3 | (glyph.bold ? 0 : 4) + (glyph.dim ? 0 : 2) + (glyph.italic ? 0 : 1);\n}\n\nexport default class DynamicCharAtlas extends BaseCharAtlas {\n  // An ordered map that we're using to keep track of where each glyph is in the atlas texture.\n  // It's ordered so that we can determine when to remove the old entries.\n  private _cacheMap: LRUMap<IGlyphCacheValue>;\n\n  // The texture that the atlas is drawn to\n  private _cacheCanvas: HTMLCanvasElement;\n  private _cacheCtx: CanvasRenderingContext2D;\n\n  // A temporary context that glyphs are drawn to before being transfered to the atlas.\n  private _tmpCtx: CanvasRenderingContext2D;\n\n  // The number of characters stored in the atlas by width/height\n  private _width: number;\n  private _height: number;\n\n  private _drawToCacheCount: number = 0;\n\n  // An array of glyph keys that are waiting on the bitmap to be generated.\n  private _glyphsWaitingOnBitmap: IGlyphCacheValue[] = [];\n\n  // The timeout that is used to batch bitmap generation so it's not requested for every new glyph.\n  private _bitmapCommitTimeout: number | null = null;\n\n  // The bitmap to draw from, this is much faster on other browsers than others.\n  private _bitmap: ImageBitmap | null = null;\n\n  constructor(document: Document, private _config: ICharAtlasConfig) {\n    super();\n    this._cacheCanvas = document.createElement('canvas');\n    this._cacheCanvas.width = TEXTURE_WIDTH;\n    this._cacheCanvas.height = TEXTURE_HEIGHT;\n    // The canvas needs alpha because we use clearColor to convert the background color to alpha.\n    // It might also contain some characters with transparent backgrounds if allowTransparency is\n    // set.\n    this._cacheCtx = this._cacheCanvas.getContext('2d', {alpha: true});\n\n    const tmpCanvas = document.createElement('canvas');\n    tmpCanvas.width = this._config.scaledCharWidth;\n    tmpCanvas.height = this._config.scaledCharHeight;\n    this._tmpCtx = tmpCanvas.getContext('2d', {alpha: this._config.allowTransparency});\n\n    this._width = Math.floor(TEXTURE_WIDTH / this._config.scaledCharWidth);\n    this._height = Math.floor(TEXTURE_HEIGHT / this._config.scaledCharHeight);\n    const capacity = this._width * this._height;\n    this._cacheMap = new LRUMap(capacity);\n    this._cacheMap.prealloc(capacity);\n\n    // This is useful for debugging\n    // document.body.appendChild(this._cacheCanvas);\n  }\n\n  public dispose(): void {\n    if (this._bitmapCommitTimeout !== null) {\n      window.clearTimeout(this._bitmapCommitTimeout);\n      this._bitmapCommitTimeout = null;\n    }\n  }\n\n  public beginFrame(): void {\n    this._drawToCacheCount = 0;\n  }\n\n  public draw(\n    ctx: CanvasRenderingContext2D,\n    glyph: IGlyphIdentifier,\n    x: number,\n    y: number\n  ): boolean {\n    // Space is always an empty cell, special case this as it's so common\n    if (glyph.code === 32) {\n      return true;\n    }\n\n    const glyphKey = getGlyphCacheKey(glyph);\n    const cacheValue = this._cacheMap.get(glyphKey);\n    if (cacheValue !== null && cacheValue !== undefined) {\n      this._drawFromCache(ctx, cacheValue, x, y);\n      return true;\n    } else if (this._canCache(glyph) && this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {\n      let index;\n      if (this._cacheMap.size < this._cacheMap.capacity) {\n        index = this._cacheMap.size;\n      } else {\n        // we're out of space, so our call to set will delete this item\n        index = this._cacheMap.peek().index;\n      }\n      const cacheValue = this._drawToCache(glyph, index);\n      this._cacheMap.set(glyphKey, cacheValue);\n      this._drawFromCache(ctx, cacheValue, x, y);\n      return true;\n    }\n    return false;\n  }\n\n  private _canCache(glyph: IGlyphIdentifier): boolean {\n    // Only cache ascii and extended characters for now, to be safe. In the future, we could do\n    // something more complicated to determine the expected width of a character.\n    //\n    // If we switch the renderer over to webgl at some point, we may be able to use blending modes\n    // to draw overlapping glyphs from the atlas:\n    // https://github.com/servo/webrender/issues/464#issuecomment-255632875\n    // https://webglfundamentals.org/webgl/lessons/webgl-text-texture.html\n    return glyph.code < 256;\n  }\n\n  private _toCoordinateX(index: number): number {\n    return (index % this._width) * this._config.scaledCharWidth;\n  }\n\n  private _toCoordinateY(index: number): number {\n    return Math.floor(index / this._width) * this._config.scaledCharHeight;\n  }\n\n  private _drawFromCache(\n    ctx: CanvasRenderingContext2D,\n    cacheValue: IGlyphCacheValue,\n    x: number,\n    y: number\n  ): void {\n    // We don't actually need to do anything if this is whitespace.\n    if (cacheValue.isEmpty) {\n      return;\n    }\n    const cacheX = this._toCoordinateX(cacheValue.index);\n    const cacheY = this._toCoordinateY(cacheValue.index);\n    ctx.drawImage(\n      cacheValue.inBitmap ? this._bitmap : this._cacheCanvas,\n      cacheX,\n      cacheY,\n      this._config.scaledCharWidth,\n      this._config.scaledCharHeight,\n      x,\n      y,\n      this._config.scaledCharWidth,\n      this._config.scaledCharHeight\n    );\n  }\n\n  private _getColorFromAnsiIndex(idx: number): IColor {\n    if (idx < this._config.colors.ansi.length) {\n      return this._config.colors.ansi[idx];\n    }\n    return DEFAULT_ANSI_COLORS[idx];\n  }\n\n  private _getBackgroundColor(glyph: IGlyphIdentifier): IColor {\n    if (this._config.allowTransparency) {\n      // The background color might have some transparency, so we need to render it as fully\n      // transparent in the atlas. Otherwise we'd end up drawing the transparent background twice\n      // around the anti-aliased edges of the glyph, and it would look too dark.\n      return TRANSPARENT_COLOR;\n    } else if (glyph.bg === INVERTED_DEFAULT_COLOR) {\n      return this._config.colors.foreground;\n    } else if (glyph.bg < 256) {\n      return this._getColorFromAnsiIndex(glyph.bg);\n    }\n    return this._config.colors.background;\n  }\n\n  private _getForegroundColor(glyph: IGlyphIdentifier): IColor {\n    if (glyph.fg === INVERTED_DEFAULT_COLOR) {\n      return this._config.colors.background;\n    } else if (glyph.fg < 256) {\n      // 256 color support\n      return this._getColorFromAnsiIndex(glyph.fg);\n    }\n    return this._config.colors.foreground;\n  }\n\n  // TODO: We do this (or something similar) in multiple places. We should split this off\n  // into a shared function.\n  private _drawToCache(glyph: IGlyphIdentifier, index: number): IGlyphCacheValue {\n    this._drawToCacheCount++;\n\n    this._tmpCtx.save();\n\n    // draw the background\n    const backgroundColor = this._getBackgroundColor(glyph);\n    // Use a 'copy' composite operation to clear any existing glyph out of _tmpCtxWithAlpha, regardless of\n    // transparency in backgroundColor\n    this._tmpCtx.globalCompositeOperation = 'copy';\n    this._tmpCtx.fillStyle = backgroundColor.css;\n    this._tmpCtx.fillRect(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);\n    this._tmpCtx.globalCompositeOperation = 'source-over';\n\n    // draw the foreground/glyph\n    const fontWeight = glyph.bold ? this._config.fontWeightBold : this._config.fontWeight;\n    const fontStyle = glyph.italic ? 'italic' : '';\n    this._tmpCtx.font =\n      `${fontStyle} ${fontWeight} ${this._config.fontSize * this._config.devicePixelRatio}px ${this._config.fontFamily}`;\n    this._tmpCtx.textBaseline = 'top';\n\n    this._tmpCtx.fillStyle = this._getForegroundColor(glyph).css;\n\n    // Apply alpha to dim the character\n    if (glyph.dim) {\n      this._tmpCtx.globalAlpha = DIM_OPACITY;\n    }\n    // Draw the character\n    this._tmpCtx.fillText(glyph.chars, 0, 0);\n    this._tmpCtx.restore();\n\n    // clear the background from the character to avoid issues with drawing over the previous\n    // character if it extends past it's bounds\n    const imageData = this._tmpCtx.getImageData(\n      0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight\n    );\n    let isEmpty = false;\n    if (!this._config.allowTransparency) {\n      isEmpty = clearColor(imageData, backgroundColor);\n    }\n\n    // copy the data from imageData to _cacheCanvas\n    const x = this._toCoordinateX(index);\n    const y = this._toCoordinateY(index);\n    // putImageData doesn't do any blending, so it will overwrite any existing cache entry for us\n    this._cacheCtx.putImageData(imageData, x, y);\n\n    // Add the glyph and queue it to the bitmap (if the browser supports it)\n    const cacheValue = {\n      index,\n      isEmpty,\n      inBitmap: false\n    };\n    this._addGlyphToBitmap(cacheValue);\n\n    return cacheValue;\n  }\n\n  private _addGlyphToBitmap(cacheValue: IGlyphCacheValue): void {\n    // Support is patchy for createImageBitmap at the moment, pass a canvas back\n    // if support is lacking as drawImage works there too. Firefox is also\n    // included here as ImageBitmap appears both buggy and has horrible\n    // performance (tested on v55).\n    if (!('createImageBitmap' in window) || isFirefox || isSafari) {\n      return;\n    }\n\n    // Add the glyph to the queue\n    this._glyphsWaitingOnBitmap.push(cacheValue);\n\n    // Check if bitmap generation timeout already exists\n    if (this._bitmapCommitTimeout !== null) {\n      return;\n    }\n\n    this._bitmapCommitTimeout = window.setTimeout(() => this._generateBitmap(), GLYPH_BITMAP_COMMIT_DELAY);\n  }\n\n  private _generateBitmap(): void {\n    const glyphsMovingToBitmap = this._glyphsWaitingOnBitmap;\n    this._glyphsWaitingOnBitmap = [];\n    window.createImageBitmap(this._cacheCanvas).then(bitmap => {\n      // Set bitmap\n      this._bitmap = bitmap;\n\n      // Mark all new glyphs as in bitmap, excluding glyphs that came in after\n      // the bitmap was requested\n      for (let i = 0; i < glyphsMovingToBitmap.length; i++) {\n        const value = glyphsMovingToBitmap[i];\n        // It doesn't matter if the value was already evicted, it will be\n        // released from memory after this block if so.\n        value.inBitmap = true;\n      }\n    });\n    this._bitmapCommitTimeout = null;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../../Types';\nimport { IColorSet } from '../Types';\nimport { ICharAtlasConfig } from '../../shared/atlas/Types';\n\nexport function generateConfig(scaledCharWidth: number, scaledCharHeight: number, terminal: ITerminal, colors: IColorSet): ICharAtlasConfig {\n  // null out some fields that don't matter\n  const clonedColors = <IColorSet>{\n    foreground: colors.foreground,\n    background: colors.background,\n    cursor: null,\n    cursorAccent: null,\n    selection: null,\n    // For the static char atlas, we only use the first 16 colors, but we need all 256 for the\n    // dynamic character atlas.\n    ansi: colors.ansi.slice(0, 16)\n  };\n  return {\n    type: terminal.options.experimentalCharAtlas,\n    devicePixelRatio: window.devicePixelRatio,\n    scaledCharWidth,\n    scaledCharHeight,\n    fontFamily: terminal.options.fontFamily,\n    fontSize: terminal.options.fontSize,\n    fontWeight: terminal.options.fontWeight,\n    fontWeightBold: terminal.options.fontWeightBold,\n    allowTransparency: terminal.options.allowTransparency,\n    colors: clonedColors\n  };\n}\n\nexport function configEquals(a: ICharAtlasConfig, b: ICharAtlasConfig): boolean {\n  for (let i = 0; i < a.colors.ansi.length; i++) {\n    if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {\n      return false;\n    }\n  }\n  return a.type === b.type &&\n      a.devicePixelRatio === b.devicePixelRatio &&\n      a.fontFamily === b.fontFamily &&\n      a.fontSize === b.fontSize &&\n      a.fontWeight === b.fontWeight &&\n      a.fontWeightBold === b.fontWeightBold &&\n      a.allowTransparency === b.allowTransparency &&\n      a.scaledCharWidth === b.scaledCharWidth &&\n      a.scaledCharHeight === b.scaledCharHeight &&\n      a.colors.foreground === b.colors.foreground &&\n      a.colors.background === b.colors.background;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../../Types';\nimport { IColorSet } from '../Types';\nimport { ICharAtlasConfig } from '../../shared/atlas/Types';\nimport { generateConfig, configEquals } from './CharAtlasUtils';\nimport BaseCharAtlas from './BaseCharAtlas';\nimport DynamicCharAtlas from './DynamicCharAtlas';\nimport NoneCharAtlas from './NoneCharAtlas';\nimport StaticCharAtlas from './StaticCharAtlas';\n\nconst charAtlasImplementations = {\n  'none': NoneCharAtlas,\n  'static': StaticCharAtlas,\n  'dynamic': DynamicCharAtlas\n};\n\ninterface ICharAtlasCacheEntry {\n  atlas: BaseCharAtlas;\n  config: ICharAtlasConfig;\n  // N.B. This implementation potentially holds onto copies of the terminal forever, so\n  // this may cause memory leaks.\n  ownedBy: ITerminal[];\n}\n\nconst charAtlasCache: ICharAtlasCacheEntry[] = [];\n\n/**\n * Acquires a char atlas, either generating a new one or returning an existing\n * one that is in use by another terminal.\n * @param terminal The terminal.\n * @param colors The colors to use.\n */\nexport function acquireCharAtlas(\n  terminal: ITerminal,\n  colors: IColorSet,\n  scaledCharWidth: number,\n  scaledCharHeight: number\n): BaseCharAtlas {\n  const newConfig = generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors);\n\n  // TODO: Currently if a terminal changes configs it will not free the entry reference (until it's disposed)\n\n  // Check to see if the terminal already owns this config\n  for (let i = 0; i < charAtlasCache.length; i++) {\n    const entry = charAtlasCache[i];\n    const ownedByIndex = entry.ownedBy.indexOf(terminal);\n    if (ownedByIndex >= 0) {\n      if (configEquals(entry.config, newConfig)) {\n        return entry.atlas;\n      }\n      // The configs differ, release the terminal from the entry\n      if (entry.ownedBy.length === 1) {\n        charAtlasCache.splice(i, 1);\n      } else {\n        entry.ownedBy.splice(ownedByIndex, 1);\n      }\n      break;\n    }\n  }\n\n  // Try match a char atlas from the cache\n  for (let i = 0; i < charAtlasCache.length; i++) {\n    const entry = charAtlasCache[i];\n    if (configEquals(entry.config, newConfig)) {\n      // Add the terminal to the cache entry and return\n      entry.ownedBy.push(terminal);\n      return entry.atlas;\n    }\n  }\n\n  const newEntry: ICharAtlasCacheEntry = {\n    atlas: new charAtlasImplementations[terminal.options.experimentalCharAtlas](\n      document,\n      newConfig\n    ),\n    config: newConfig,\n    ownedBy: [terminal]\n  };\n  charAtlasCache.push(newEntry);\n  return newEntry.atlas;\n}\n\n/**\n * Removes a terminal reference from the cache, allowing its memory to be freed.\n * @param terminal The terminal to remove.\n */\nexport function removeTerminalFromCache(terminal: ITerminal): void {\n  for (let i = 0; i < charAtlasCache.length; i++) {\n    const index = charAtlasCache[i].ownedBy.indexOf(terminal);\n    if (index !== -1) {\n      if (charAtlasCache[i].ownedBy.length === 1) {\n        // Remove the cache entry if it's the only terminal\n        charAtlasCache.splice(i, 1);\n      } else {\n        // Remove the reference from the cache entry\n        charAtlasCache[i].ownedBy.splice(index, 1);\n      }\n      break;\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IGlyphIdentifier } from './Types';\nimport { IDisposable } from 'xterm';\n\nexport default abstract class BaseCharAtlas implements IDisposable {\n  private _didWarmUp: boolean = false;\n\n  public dispose(): void { }\n\n  /**\n   * Perform any work needed to warm the cache before it can be used. May be called multiple times.\n   * Implement _doWarmUp instead if you only want to get called once.\n   */\n  public warmUp(): void {\n    if (!this._didWarmUp) {\n      this._doWarmUp();\n      this._didWarmUp = true;\n    }\n  }\n\n  /**\n   * Perform any work needed to warm the cache before it can be used. Used by the default\n   * implementation of warmUp(), and will only be called once.\n   */\n  protected _doWarmUp(): void { }\n\n  /**\n   * Called when we start drawing a new frame.\n   *\n   * TODO: We rely on this getting called by TextRenderLayer. This should really be called by\n   * Renderer instead, but we need to make Renderer the source-of-truth for the char atlas, instead\n   * of BaseRenderLayer.\n   */\n  public beginFrame(): void { }\n\n  /**\n   * May be called before warmUp finishes, however it is okay for the implementation to\n   * do nothing and return false in that case.\n   *\n   * @param ctx Where to draw the character onto.\n   * @param glyph Information about what to draw\n   * @param x The position on the context to start drawing at\n   * @param y The position on the context to start drawing at\n   * @returns The success state. True if we drew the character.\n   */\n  public abstract draw(\n    ctx: CanvasRenderingContext2D,\n    glyph: IGlyphIdentifier,\n    x: number,\n    y: number\n  ): boolean;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_ATTR_INDEX, CHAR_DATA_CODE_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, NULL_CELL_CODE } from '../Buffer';\nimport { FLAGS, IColorSet, IRenderDimensions, ICharacterJoinerRegistry } from './Types';\nimport { CharData, ITerminal } from '../Types';\nimport { INVERTED_DEFAULT_COLOR } from './atlas/Types';\nimport { GridCache } from './GridCache';\nimport { BaseRenderLayer } from './BaseRenderLayer';\n\n/**\n * This CharData looks like a null character, which will forc a clear and render\n * when the character changes (a regular space ' ' character may not as it's\n * drawn state is a cleared cell).\n */\n// const OVERLAP_OWNED_CHAR_DATA: CharData = [null, '', 0, -1];\n\nexport class TextRenderLayer extends BaseRenderLayer {\n  private _state: GridCache<CharData>;\n  private _characterWidth: number;\n  private _characterFont: string;\n  private _characterOverlapCache: { [key: string]: boolean } = {};\n  private _characterJoinerRegistry: ICharacterJoinerRegistry;\n\n  constructor(container: HTMLElement, zIndex: number, colors: IColorSet, characterJoinerRegistry: ICharacterJoinerRegistry, alpha: boolean) {\n    super(container, 'text', zIndex, alpha, colors);\n    this._state = new GridCache<CharData>();\n    this._characterJoinerRegistry = characterJoinerRegistry;\n  }\n\n  public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n    super.resize(terminal, dim);\n\n    // Clear the character width cache if the font or width has changed\n    const terminalFont = this._getFont(terminal, false, false);\n    if (this._characterWidth !== dim.scaledCharWidth || this._characterFont !== terminalFont) {\n      this._characterWidth = dim.scaledCharWidth;\n      this._characterFont = terminalFont;\n      this._characterOverlapCache = {};\n    }\n    // Resizing the canvas discards the contents of the canvas so clear state\n    this._state.clear();\n    this._state.resize(terminal.cols, terminal.rows);\n  }\n\n  public reset(terminal: ITerminal): void {\n    this._state.clear();\n    this.clearAll();\n  }\n\n  private _forEachCell(\n    terminal: ITerminal,\n    firstRow: number,\n    lastRow: number,\n    joinerRegistry: ICharacterJoinerRegistry | null,\n    callback: (\n      code: number,\n      chars: string,\n      width: number,\n      x: number,\n      y: number,\n      fg: number,\n      bg: number,\n      flags: number\n    ) => void\n  ): void {\n    for (let y = firstRow; y <= lastRow; y++) {\n      const row = y + terminal.buffer.ydisp;\n      const line = terminal.buffer.lines.get(row);\n      const joinedRanges = joinerRegistry ? joinerRegistry.getJoinedCharacters(row) : [];\n      for (let x = 0; x < terminal.cols; x++) {\n        const charData = line.get(x);\n        let code: number = <number>charData[CHAR_DATA_CODE_INDEX];\n\n        // Can either represent character(s) for a single cell or multiple cells\n        // if indicated by a character joiner.\n        let chars: string = charData[CHAR_DATA_CHAR_INDEX];\n        const attr: number = charData[CHAR_DATA_ATTR_INDEX];\n        let width: number = charData[CHAR_DATA_WIDTH_INDEX];\n\n        // If true, indicates that the current character(s) to draw were joined.\n        let isJoined = false;\n        let lastCharX = x;\n\n        // The character to the left is a wide character, drawing is owned by\n        // the char at x-1\n        if (width === 0) {\n          continue;\n        }\n\n        // Process any joined character ranges as needed. Because of how the\n        // ranges are produced, we know that they are valid for the characters\n        // and attributes of our input.\n        if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {\n          isJoined = true;\n          const range = joinedRanges.shift();\n\n          // We already know the exact start and end column of the joined range,\n          // so we get the string and width representing it directly\n          chars = terminal.buffer.translateBufferLineToString(\n            row,\n            true,\n            range[0],\n            range[1]\n          );\n          width = range[1] - range[0];\n          code = Infinity;\n\n          // Skip over the cells occupied by this range in the loop\n          lastCharX = range[1] - 1;\n        }\n\n        // If the character is an overlapping char and the character to the\n        // right is a space, take ownership of the cell to the right. We skip\n        // this check for joined characters because their rendering likely won't\n        // yield the same result as rendering the last character individually.\n        if (!isJoined && this._isOverlapping(charData)) {\n          // If the character is overlapping, we want to force a re-render on every\n          // frame. This is specifically to work around the case where two\n          // overlaping chars `a` and `b` are adjacent, the cursor is moved to b and a\n          // space is added. Without this, the first half of `b` would never\n          // get removed, and `a` would not re-render because it thinks it's\n          // already in the correct state.\n          // this._state.cache[x][y] = OVERLAP_OWNED_CHAR_DATA;\n          if (lastCharX < line.length - 1 && line.get(lastCharX + 1)[CHAR_DATA_CODE_INDEX] === NULL_CELL_CODE) {\n            width = 2;\n            // this._clearChar(x + 1, y);\n            // The overlapping char's char data will force a clear and render when the\n            // overlapping char is no longer to the left of the character and also when\n            // the space changes to another character.\n            // this._state.cache[x + 1][y] = OVERLAP_OWNED_CHAR_DATA;\n          }\n        }\n\n        const flags = attr >> 18;\n        let bg = attr & 0x1ff;\n        let fg = (attr >> 9) & 0x1ff;\n\n        // If inverse flag is on, the foreground should become the background.\n        if (flags & FLAGS.INVERSE) {\n          const temp = bg;\n          bg = fg;\n          fg = temp;\n          if (fg === 256) {\n            fg = INVERTED_DEFAULT_COLOR;\n          }\n          if (bg === 257) {\n            bg = INVERTED_DEFAULT_COLOR;\n          }\n        }\n\n        callback(\n          code,\n          chars,\n          width,\n          x,\n          y,\n          fg,\n          bg,\n          flags\n        );\n\n        x = lastCharX;\n      }\n    }\n  }\n\n  /**\n   * Draws the background for a specified range of columns. Tries to batch adjacent cells of the\n   * same color together to reduce draw calls.\n   */\n  private _drawBackground(terminal: ITerminal, firstRow: number, lastRow: number): void {\n    const ctx = this._ctx;\n    const cols = terminal.cols;\n    let startX: number = 0;\n    let startY: number = 0;\n    let prevFillStyle: string | null = null;\n\n    ctx.save();\n\n    this._forEachCell(terminal, firstRow, lastRow, null, (code, chars, width, x, y, fg, bg, flags) => {\n      // libvte and xterm both draw the background (but not foreground) of invisible characters,\n      // so we should too.\n      let nextFillStyle = null; // null represents default background color\n      if (bg === INVERTED_DEFAULT_COLOR) {\n        nextFillStyle = this._colors.foreground.css;\n      } else if (bg < 256) {\n        nextFillStyle = this._colors.ansi[bg].css;\n      }\n\n      if (prevFillStyle === null) {\n        // This is either the first iteration, or the default background was set. Either way, we\n        // don't need to draw anything.\n        startX = x;\n        startY = y;\n      } if (y !== startY) {\n        // our row changed, draw the previous row\n        ctx.fillStyle = prevFillStyle;\n        this.fillCells(startX, startY, cols - startX, 1);\n        startX = x;\n        startY = y;\n      } else if (prevFillStyle !== nextFillStyle) {\n        // our color changed, draw the previous characters in this row\n        ctx.fillStyle = prevFillStyle;\n        this.fillCells(startX, startY, x - startX, 1);\n        startX = x;\n        startY = y;\n      }\n\n      prevFillStyle = nextFillStyle;\n    });\n\n    // flush the last color we encountered\n    if (prevFillStyle !== null) {\n      ctx.fillStyle = prevFillStyle;\n      this.fillCells(startX, startY, cols - startX, 1);\n    }\n\n    ctx.restore();\n  }\n\n  private _drawForeground(terminal: ITerminal, firstRow: number, lastRow: number): void {\n    this._forEachCell(terminal, firstRow, lastRow, this._characterJoinerRegistry, (code, chars, width, x, y, fg, bg, flags) => {\n      if (flags & FLAGS.INVISIBLE) {\n        return;\n      }\n      if (flags & FLAGS.UNDERLINE) {\n        this._ctx.save();\n        if (fg === INVERTED_DEFAULT_COLOR) {\n          this._ctx.fillStyle = this._colors.background.css;\n        } else if (fg < 256) {\n          // 256 color support\n          this._ctx.fillStyle = this._colors.ansi[fg].css;\n        } else {\n          this._ctx.fillStyle = this._colors.foreground.css;\n        }\n        this.fillBottomLineAtCells(x, y, width);\n        this._ctx.restore();\n      }\n      this.drawChars(\n        terminal, chars, code,\n        width, x, y,\n        fg, bg,\n        !!(flags & FLAGS.BOLD), !!(flags & FLAGS.DIM), !!(flags & FLAGS.ITALIC)\n      );\n    });\n  }\n\n  public onGridChanged(terminal: ITerminal, firstRow: number, lastRow: number): void {\n    // Resize has not been called yet\n    if (this._state.cache.length === 0) {\n      return;\n    }\n\n    if (this._charAtlas) {\n      this._charAtlas.beginFrame();\n    }\n\n    this.clearCells(0, firstRow, terminal.cols, lastRow - firstRow + 1);\n    this._drawBackground(terminal, firstRow, lastRow);\n    this._drawForeground(terminal, firstRow, lastRow);\n  }\n\n  public onOptionsChanged(terminal: ITerminal): void {\n    this.setTransparency(terminal, terminal.options.allowTransparency);\n  }\n\n  /**\n   * Whether a character is overlapping to the next cell.\n   */\n  private _isOverlapping(charData: CharData): boolean {\n    // Only single cell characters can be overlapping, rendering issues can\n    // occur without this check\n    if (charData[CHAR_DATA_WIDTH_INDEX] !== 1) {\n      return false;\n    }\n\n    // We assume that any ascii character will not overlap\n    const code = charData[CHAR_DATA_CODE_INDEX];\n    if (code < 256) {\n      return false;\n    }\n\n    // Deliver from cache if available\n    const char = charData[CHAR_DATA_CHAR_INDEX];\n    if (this._characterOverlapCache.hasOwnProperty(char)) {\n      return this._characterOverlapCache[char];\n    }\n\n    // Setup the font\n    this._ctx.save();\n    this._ctx.font = this._characterFont;\n\n    // Measure the width of the character, but Math.floor it\n    // because that is what the renderer does when it calculates\n    // the character dimensions we are comparing against\n    const overlaps = Math.floor(this._ctx.measureText(char).width) > this._characterWidth;\n\n    // Restore the original context\n    this._ctx.restore();\n\n    // Cache and return\n    this._characterOverlapCache[char] = overlaps;\n    return overlaps;\n  }\n\n  /**\n   * Clear the charcater at the cell specified.\n   * @param x The column of the char.\n   * @param y The row of the char.\n   */\n  // private _clearChar(x: number, y: number): void {\n  //   let colsToClear = 1;\n  //   // Clear the adjacent character if it was wide\n  //   const state = this._state.cache[x][y];\n  //   if (state && state[CHAR_DATA_WIDTH_INDEX] === 2) {\n  //     colsToClear = 2;\n  //   }\n  //   this.clearCells(x, y, colsToClear, 1);\n  // }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../Types';\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\n\ninterface ISelectionState {\n  start: [number, number];\n  end: [number, number];\n  columnSelectMode: boolean;\n  ydisp: number;\n}\n\nexport class SelectionRenderLayer extends BaseRenderLayer {\n  private _state: ISelectionState;\n\n  constructor(container: HTMLElement, zIndex: number, colors: IColorSet) {\n    super(container, 'selection', zIndex, true, colors);\n    this._clearState();\n  }\n\n  private _clearState(): void {\n    this._state = {\n      start: null,\n      end: null,\n      columnSelectMode: null,\n      ydisp: null\n    };\n  }\n\n  public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n    super.resize(terminal, dim);\n    // Resizing the canvas discards the contents of the canvas so clear state\n    this._clearState();\n  }\n\n  public reset(terminal: ITerminal): void {\n    if (this._state.start && this._state.end) {\n      this._clearState();\n      this.clearAll();\n    }\n  }\n\n  public onSelectionChanged(terminal: ITerminal, start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n    // Selection has not changed\n    if (!this._didStateChange(start, end, columnSelectMode, terminal.buffer.ydisp)) {\n      return;\n    }\n\n    // Remove all selections\n    this.clearAll();\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = start[1] - terminal.buffer.ydisp;\n    const viewportEndRow = end[1] - terminal.buffer.ydisp;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    this._ctx.fillStyle = this._colors.selection.css;\n\n    if (columnSelectMode) {\n      const startCol = start[0];\n      const width = end[0] - startCol;\n      const height = viewportCappedEndRow - viewportCappedStartRow + 1;\n      this.fillCells(startCol, viewportCappedStartRow, width, height);\n    } else {\n      // Draw first row\n      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n      const startRowEndCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : terminal.cols;\n      this.fillCells(startCol, viewportCappedStartRow, startRowEndCol - startCol, 1);\n\n      // Draw middle rows\n      const middleRowsCount = Math.max(viewportCappedEndRow - viewportCappedStartRow - 1, 0);\n      this.fillCells(0, viewportCappedStartRow + 1, terminal.cols, middleRowsCount);\n\n      // Draw final row\n      if (viewportCappedStartRow !== viewportCappedEndRow) {\n        // Only draw viewportEndRow if it's not the same as viewportStartRow\n        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : terminal.cols;\n        this.fillCells(0, viewportCappedEndRow, endCol, 1);\n      }\n    }\n\n    // Save state for next render\n    this._state.start = [start[0], start[1]];\n    this._state.end = [end[0], end[1]];\n    this._state.columnSelectMode = columnSelectMode;\n    this._state.ydisp = terminal.buffer.ydisp;\n  }\n\n  private _didStateChange(start: [number, number], end: [number, number], columnSelectMode: boolean, ydisp: number): boolean {\n    return !this._areCoordinatesEqual(start, this._state.start) ||\n      !this._areCoordinatesEqual(end, this._state.end) ||\n      columnSelectMode !== this._state.columnSelectMode ||\n      ydisp !== this._state.ydisp;\n  }\n\n  private _areCoordinatesEqual(coord1: [number, number], coord2: [number, number]): boolean {\n    if (!coord1 || !coord2) {\n      return false;\n    }\n\n    return coord1[0] === coord2[0] && coord1[1] === coord2[1];\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { TextRenderLayer } from './TextRenderLayer';\nimport { SelectionRenderLayer } from './SelectionRenderLayer';\nimport { CursorRenderLayer } from './CursorRenderLayer';\nimport { ColorManager } from './ColorManager';\nimport { IRenderLayer, IColorSet, IRenderer, IRenderDimensions, ICharacterJoinerRegistry } from './Types';\nimport { ITerminal, CharacterJoinerHandler } from '../Types';\nimport { LinkRenderLayer } from './LinkRenderLayer';\nimport { EventEmitter } from '../common/EventEmitter';\nimport { RenderDebouncer } from '../ui/RenderDebouncer';\nimport { ScreenDprMonitor } from '../ui/ScreenDprMonitor';\nimport { ITheme } from 'xterm';\nimport { CharacterJoinerRegistry } from '../renderer/CharacterJoinerRegistry';\n\nexport class Renderer extends EventEmitter implements IRenderer {\n  private _renderDebouncer: RenderDebouncer;\n\n  private _renderLayers: IRenderLayer[];\n  private _devicePixelRatio: number;\n  private _screenDprMonitor: ScreenDprMonitor;\n  private _isPaused: boolean = false;\n  private _needsFullRefresh: boolean = false;\n  private _characterJoinerRegistry: ICharacterJoinerRegistry;\n\n  public colorManager: ColorManager;\n  public dimensions: IRenderDimensions;\n\n  constructor(private _terminal: ITerminal, theme: ITheme) {\n    super();\n    const allowTransparency = this._terminal.options.allowTransparency;\n    this.colorManager = new ColorManager(document, allowTransparency);\n    this._characterJoinerRegistry = new CharacterJoinerRegistry(_terminal);\n    if (theme) {\n      this.colorManager.setTheme(theme);\n    }\n\n    this._renderLayers = [\n      new TextRenderLayer(this._terminal.screenElement, 0, this.colorManager.colors, this._characterJoinerRegistry, allowTransparency),\n      new SelectionRenderLayer(this._terminal.screenElement, 1, this.colorManager.colors),\n      new LinkRenderLayer(this._terminal.screenElement, 2, this.colorManager.colors, this._terminal),\n      new CursorRenderLayer(this._terminal.screenElement, 3, this.colorManager.colors)\n    ];\n    this.dimensions = {\n      scaledCharWidth: null,\n      scaledCharHeight: null,\n      scaledCellWidth: null,\n      scaledCellHeight: null,\n      scaledCharLeft: null,\n      scaledCharTop: null,\n      scaledCanvasWidth: null,\n      scaledCanvasHeight: null,\n      canvasWidth: null,\n      canvasHeight: null,\n      actualCellWidth: null,\n      actualCellHeight: null\n    };\n    this._devicePixelRatio = window.devicePixelRatio;\n    this._updateDimensions();\n    this.onOptionsChanged();\n\n    this._renderDebouncer = new RenderDebouncer(this._terminal, this._renderRows.bind(this));\n    this._screenDprMonitor = new ScreenDprMonitor();\n    this._screenDprMonitor.setListener(() => this.onWindowResize(window.devicePixelRatio));\n    this.register(this._screenDprMonitor);\n\n    // Detect whether IntersectionObserver is detected and enable renderer pause\n    // and resume based on terminal visibility if so\n    if ('IntersectionObserver' in window) {\n      const observer = new IntersectionObserver(e => this.onIntersectionChange(e[0]), { threshold: 0 });\n      observer.observe(this._terminal.element);\n      this.register({ dispose: () => observer.disconnect() });\n    }\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._renderLayers.forEach(l => l.dispose());\n  }\n\n  public onIntersectionChange(entry: IntersectionObserverEntry): void {\n    this._isPaused = entry.intersectionRatio === 0;\n    if (!this._isPaused && this._needsFullRefresh) {\n      this._terminal.refresh(0, this._terminal.rows - 1);\n    }\n  }\n\n  public onWindowResize(devicePixelRatio: number): void {\n    // If the device pixel ratio changed, the char atlas needs to be regenerated\n    // and the terminal needs to refreshed\n    if (this._devicePixelRatio !== devicePixelRatio) {\n      this._devicePixelRatio = devicePixelRatio;\n      this.onResize(this._terminal.cols, this._terminal.rows);\n    }\n  }\n\n  public setTheme(theme: ITheme): IColorSet {\n    this.colorManager.setTheme(theme);\n\n    // Clear layers and force a full render\n    this._renderLayers.forEach(l => {\n      l.onThemeChanged(this._terminal, this.colorManager.colors);\n      l.reset(this._terminal);\n    });\n\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n    } else {\n      this._terminal.refresh(0, this._terminal.rows - 1);\n    }\n\n    return this.colorManager.colors;\n  }\n\n  public onResize(cols: number, rows: number): void {\n    // Update character and canvas dimensions\n    this._updateDimensions();\n\n    // Resize all render layers\n    this._renderLayers.forEach(l => l.resize(this._terminal, this.dimensions));\n\n    // Force a refresh\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n    } else {\n      this._terminal.refresh(0, this._terminal.rows - 1);\n    }\n\n    // Resize the screen\n    this._terminal.screenElement.style.width = `${this.dimensions.canvasWidth}px`;\n    this._terminal.screenElement.style.height = `${this.dimensions.canvasHeight}px`;\n\n    this.emit('resize', {\n      width: this.dimensions.canvasWidth,\n      height: this.dimensions.canvasHeight\n    });\n  }\n\n  public onCharSizeChanged(): void {\n    this.onResize(this._terminal.cols, this._terminal.rows);\n  }\n\n  public onBlur(): void {\n    this._runOperation(l => l.onBlur(this._terminal));\n  }\n\n  public onFocus(): void {\n    this._runOperation(l => l.onFocus(this._terminal));\n  }\n\n  public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {\n    this._runOperation(l => l.onSelectionChanged(this._terminal, start, end, columnSelectMode));\n  }\n\n  public onCursorMove(): void {\n    this._runOperation(l => l.onCursorMove(this._terminal));\n  }\n\n  public onOptionsChanged(): void {\n    this.colorManager.allowTransparency = this._terminal.options.allowTransparency;\n    this._runOperation(l => l.onOptionsChanged(this._terminal));\n  }\n\n  public clear(): void {\n    this._runOperation(l => l.reset(this._terminal));\n  }\n\n  private _runOperation(operation: (layer: IRenderLayer) => void): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n    } else {\n      this._renderLayers.forEach(l => operation(l));\n    }\n  }\n\n  /**\n   * Queues a refresh between two rows (inclusive), to be done on next animation\n   * frame.\n   * @param start The start row.\n   * @param end The end row.\n   */\n  public refreshRows(start: number, end: number): void {\n    if (this._isPaused) {\n      this._needsFullRefresh = true;\n      return;\n    }\n    this._renderDebouncer.refresh(start, end);\n  }\n\n  /**\n   * Performs the refresh loop callback, calling refresh only if a refresh is\n   * necessary before queueing up the next one.\n   */\n  private _renderRows(start: number, end: number): void {\n    this._renderLayers.forEach(l => l.onGridChanged(this._terminal, start, end));\n    this._terminal.emit('refresh', { start, end });\n  }\n\n  /**\n   * Recalculates the character and canvas dimensions.\n   */\n  private _updateDimensions(): void {\n    // Perform a new measure if the CharMeasure dimensions are not yet available\n    if (!this._terminal.charMeasure.width || !this._terminal.charMeasure.height) {\n      return;\n    }\n\n    // Calculate the scaled character width. Width is floored as it must be\n    // drawn to an integer grid in order for the CharAtlas \"stamps\" to not be\n    // blurry. When text is drawn to the grid not using the CharAtlas, it is\n    // clipped to ensure there is no overlap with the next cell.\n    this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);\n\n    // Calculate the scaled character height. Height is ceiled in case\n    // devicePixelRatio is a floating point number in order to ensure there is\n    // enough space to draw the character to the cell.\n    this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);\n\n    // Calculate the scaled cell height, if lineHeight is not 1 then the value\n    // will be floored because since lineHeight can never be lower then 1, there\n    // is a guarentee that the scaled line height will always be larger than\n    // scaled char height.\n    this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);\n\n    // Calculate the y coordinate within a cell that text should draw from in\n    // order to draw in the center of a cell.\n    this.dimensions.scaledCharTop = this._terminal.options.lineHeight === 1 ? 0 : Math.round((this.dimensions.scaledCellHeight - this.dimensions.scaledCharHeight) / 2);\n\n    // Calculate the scaled cell width, taking the letterSpacing into account.\n    this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);\n\n    // Calculate the x coordinate with a cell that text should draw from in\n    // order to draw in the center of a cell.\n    this.dimensions.scaledCharLeft = Math.floor(this._terminal.options.letterSpacing / 2);\n\n    // Recalculate the canvas dimensions; scaled* define the actual number of\n    // pixel in the canvas\n    this.dimensions.scaledCanvasHeight = this._terminal.rows * this.dimensions.scaledCellHeight;\n    this.dimensions.scaledCanvasWidth = this._terminal.cols * this.dimensions.scaledCellWidth;\n\n    // The the size of the canvas on the page. It's very important that this\n    // rounds to nearest integer and not ceils as browsers often set\n    // window.devicePixelRatio as something like 1.100000023841858, when it's\n    // actually 1.1. Ceiling causes blurriness as the backing canvas image is 1\n    // pixel too large for the canvas element size.\n    this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);\n    this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);\n\n    // Get the _actual_ dimensions of an individual cell. This needs to be\n    // derived from the canvasWidth/Height calculated above which takes into\n    // account window.devicePixelRatio. CharMeasure.width/height by itself is\n    // insufficient when the page is not at 100% zoom level as CharMeasure is\n    // measured in CSS pixels, but the actual char size on the canvas can\n    // differ.\n    this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;\n    this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;\n  }\n\n  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n    return this._characterJoinerRegistry.registerCharacterJoiner(handler);\n  }\n\n  public deregisterCharacterJoiner(joinerId: number): boolean {\n    return this._characterJoinerRegistry.deregisterCharacterJoiner(joinerId);\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ILinkHoverEvent, ITerminal, ILinkifierAccessor, LinkHoverEventTypes } from '../Types';\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { INVERTED_DEFAULT_COLOR } from './atlas/Types';\n\nexport class LinkRenderLayer extends BaseRenderLayer {\n  private _state: ILinkHoverEvent = null;\n\n  constructor(container: HTMLElement, zIndex: number, colors: IColorSet, terminal: ILinkifierAccessor) {\n    super(container, 'link', zIndex, true, colors);\n    terminal.linkifier.on(LinkHoverEventTypes.HOVER, (e: ILinkHoverEvent) => this._onLinkHover(e));\n    terminal.linkifier.on(LinkHoverEventTypes.LEAVE, (e: ILinkHoverEvent) => this._onLinkLeave(e));\n  }\n\n  public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n    super.resize(terminal, dim);\n    // Resizing the canvas discards the contents of the canvas so clear state\n    this._state = null;\n  }\n\n  public reset(terminal: ITerminal): void {\n    this._clearCurrentLink();\n  }\n\n  private _clearCurrentLink(): void {\n    if (this._state) {\n      this.clearCells(this._state.x1, this._state.y1, this._state.cols - this._state.x1, 1);\n      const middleRowCount = this._state.y2 - this._state.y1 - 1;\n      if (middleRowCount > 0) {\n        this.clearCells(0, this._state.y1 + 1, this._state.cols, middleRowCount);\n      }\n      this.clearCells(0, this._state.y2, this._state.x2, 1);\n      this._state = null;\n    }\n  }\n\n  private _onLinkHover(e: ILinkHoverEvent): void {\n    if (e.fg === INVERTED_DEFAULT_COLOR) {\n      this._ctx.fillStyle = this._colors.background.css;\n    } else if (e.fg < 256) {\n      // 256 color support\n      this._ctx.fillStyle = this._colors.ansi[e.fg].css;\n    } else {\n      this._ctx.fillStyle = this._colors.foreground.css;\n    }\n\n    if (e.y1 === e.y2) {\n      // Single line link\n      this.fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);\n    } else {\n      // Multi-line link\n      this.fillBottomLineAtCells(e.x1, e.y1, e.cols - e.x1);\n      for (let y = e.y1 + 1; y < e.y2; y++) {\n        this.fillBottomLineAtCells(0, y, e.cols);\n      }\n      this.fillBottomLineAtCells(0, e.y2, e.x2);\n    }\n    this._state = e;\n  }\n\n  private _onLinkLeave(e: ILinkHoverEvent): void {\n    this._clearCurrentLink();\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class GridCache<T> {\n  public cache: T[][];\n\n  public constructor() {\n    this.cache = [];\n  }\n\n  public resize(width: number, height: number): void {\n    for (let x = 0; x < width; x++) {\n      if (this.cache.length <= x) {\n        this.cache.push([]);\n      }\n      for (let y = this.cache[x].length; y < height; y++) {\n        this.cache[x].push(null);\n      }\n      this.cache[x].length = height;\n    }\n    this.cache.length = width;\n  }\n\n  public clear(): void {\n    for (let x = 0; x < this.cache.length; x++) {\n      for (let y = 0; y < this.cache[x].length; y++) {\n        this.cache[x][y] = null;\n      }\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_WIDTH_INDEX } from '../Buffer';\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { CharData, ITerminal } from '../Types';\n\ninterface ICursorState {\n  x: number;\n  y: number;\n  isFocused: boolean;\n  style: string;\n  width: number;\n}\n\n/**\n * The time between cursor blinks.\n */\nconst BLINK_INTERVAL = 600;\n\nexport class CursorRenderLayer extends BaseRenderLayer {\n  private _state: ICursorState;\n  private _cursorRenderers: {[key: string]: (terminal: ITerminal, x: number, y: number, charData: CharData) => void};\n  private _cursorBlinkStateManager: CursorBlinkStateManager;\n\n  constructor(container: HTMLElement, zIndex: number, colors: IColorSet) {\n    super(container, 'cursor', zIndex, true, colors);\n    this._state = {\n      x: null,\n      y: null,\n      isFocused: null,\n      style: null,\n      width: null\n    };\n    this._cursorRenderers = {\n      'bar': this._renderBarCursor.bind(this),\n      'block': this._renderBlockCursor.bind(this),\n      'underline': this._renderUnderlineCursor.bind(this)\n    };\n    // TODO: Consider initial options? Maybe onOptionsChanged should be called at the end of open?\n  }\n\n  public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n    super.resize(terminal, dim);\n    // Resizing the canvas discards the contents of the canvas so clear state\n    this._state = {\n      x: null,\n      y: null,\n      isFocused: null,\n      style: null,\n      width: null\n    };\n  }\n\n  public reset(terminal: ITerminal): void {\n    this._clearCursor();\n    if (this._cursorBlinkStateManager) {\n      this._cursorBlinkStateManager.dispose();\n      this._cursorBlinkStateManager = null;\n      this.onOptionsChanged(terminal);\n    }\n  }\n\n  public onBlur(terminal: ITerminal): void {\n    if (this._cursorBlinkStateManager) {\n      this._cursorBlinkStateManager.pause();\n    }\n    terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n  }\n\n  public onFocus(terminal: ITerminal): void {\n    if (this._cursorBlinkStateManager) {\n      this._cursorBlinkStateManager.resume(terminal);\n    } else {\n      terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n    }\n  }\n\n  public onOptionsChanged(terminal: ITerminal): void {\n    if (terminal.options.cursorBlink) {\n      if (!this._cursorBlinkStateManager) {\n        this._cursorBlinkStateManager = new CursorBlinkStateManager(terminal, () => {\n          this._render(terminal, true);\n        });\n      }\n    } else {\n      if (this._cursorBlinkStateManager) {\n        this._cursorBlinkStateManager.dispose();\n        this._cursorBlinkStateManager = null;\n      }\n      // Request a refresh from the terminal as management of rendering is being\n      // moved back to the terminal\n      terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n    }\n  }\n\n  public onCursorMove(terminal: ITerminal): void {\n    if (this._cursorBlinkStateManager) {\n      this._cursorBlinkStateManager.restartBlinkAnimation(terminal);\n    }\n  }\n\n  public onGridChanged(terminal: ITerminal, startRow: number, endRow: number): void {\n    if (!this._cursorBlinkStateManager || this._cursorBlinkStateManager.isPaused) {\n      this._render(terminal, false);\n    } else {\n      this._cursorBlinkStateManager.restartBlinkAnimation(terminal);\n    }\n  }\n\n  private _render(terminal: ITerminal, triggeredByAnimationFrame: boolean): void {\n    // Don't draw the cursor if it's hidden\n    if (!terminal.cursorState || terminal.cursorHidden) {\n      this._clearCursor();\n      return;\n    }\n\n    const cursorY = terminal.buffer.ybase + terminal.buffer.y;\n    const viewportRelativeCursorY = cursorY - terminal.buffer.ydisp;\n\n    // Don't draw the cursor if it's off-screen\n    if (viewportRelativeCursorY < 0 || viewportRelativeCursorY >= terminal.rows) {\n      this._clearCursor();\n      return;\n    }\n\n    const charData = terminal.buffer.lines.get(cursorY).get(terminal.buffer.x);\n    if (!charData) {\n      return;\n    }\n\n    if (!terminal.isFocused) {\n      this._clearCursor();\n      this._ctx.save();\n      this._ctx.fillStyle = this._colors.cursor.css;\n      this._renderBlurCursor(terminal, terminal.buffer.x, viewportRelativeCursorY, charData);\n      this._ctx.restore();\n      this._state.x = terminal.buffer.x;\n      this._state.y = viewportRelativeCursorY;\n      this._state.isFocused = false;\n      this._state.style = terminal.options.cursorStyle;\n      this._state.width = charData[CHAR_DATA_WIDTH_INDEX];\n      return;\n    }\n\n    // Don't draw the cursor if it's blinking\n    if (this._cursorBlinkStateManager && !this._cursorBlinkStateManager.isCursorVisible) {\n      this._clearCursor();\n      return;\n    }\n\n    if (this._state) {\n      // The cursor is already in the correct spot, don't redraw\n      if (this._state.x === terminal.buffer.x &&\n          this._state.y === viewportRelativeCursorY &&\n          this._state.isFocused === terminal.isFocused &&\n          this._state.style === terminal.options.cursorStyle &&\n          this._state.width === charData[CHAR_DATA_WIDTH_INDEX]) {\n        return;\n      }\n      this._clearCursor();\n    }\n\n    this._ctx.save();\n    this._cursorRenderers[terminal.options.cursorStyle || 'block'](terminal, terminal.buffer.x, viewportRelativeCursorY, charData);\n    this._ctx.restore();\n\n    this._state.x = terminal.buffer.x;\n    this._state.y = viewportRelativeCursorY;\n    this._state.isFocused = false;\n    this._state.style = terminal.options.cursorStyle;\n    this._state.width = charData[CHAR_DATA_WIDTH_INDEX];\n  }\n\n  private _clearCursor(): void {\n    if (this._state) {\n      this.clearCells(this._state.x, this._state.y, this._state.width, 1);\n      this._state = {\n        x: null,\n        y: null,\n        isFocused: null,\n        style: null,\n        width: null\n      };\n    }\n  }\n\n  private _renderBarCursor(terminal: ITerminal, x: number, y: number, charData: CharData): void {\n    this._ctx.save();\n    this._ctx.fillStyle = this._colors.cursor.css;\n    this.fillLeftLineAtCell(x, y);\n    this._ctx.restore();\n  }\n\n  private _renderBlockCursor(terminal: ITerminal, x: number, y: number, charData: CharData): void {\n    this._ctx.save();\n    this._ctx.fillStyle = this._colors.cursor.css;\n    this.fillCells(x, y, charData[CHAR_DATA_WIDTH_INDEX], 1);\n    this._ctx.fillStyle = this._colors.cursorAccent.css;\n    this.fillCharTrueColor(terminal, charData, x, y);\n    this._ctx.restore();\n  }\n\n  private _renderUnderlineCursor(terminal: ITerminal, x: number, y: number, charData: CharData): void {\n    this._ctx.save();\n    this._ctx.fillStyle = this._colors.cursor.css;\n    this.fillBottomLineAtCells(x, y);\n    this._ctx.restore();\n  }\n\n  private _renderBlurCursor(terminal: ITerminal, x: number, y: number, charData: CharData): void {\n    this._ctx.save();\n    this._ctx.strokeStyle = this._colors.cursor.css;\n    this.strokeRectAtCell(x, y, charData[CHAR_DATA_WIDTH_INDEX], 1);\n    this._ctx.restore();\n  }\n}\n\nclass CursorBlinkStateManager {\n  public isCursorVisible: boolean;\n\n  private _animationFrame: number;\n  private _blinkStartTimeout: number;\n  private _blinkInterval: number;\n\n  /**\n   * The time at which the animation frame was restarted, this is used on the\n   * next render to restart the timers so they don't need to restart the timers\n   * multiple times over a short period.\n   */\n  private _animationTimeRestarted: number;\n\n  constructor(\n    terminal: ITerminal,\n    private _renderCallback: () => void\n  ) {\n    this.isCursorVisible = true;\n    if (terminal.isFocused) {\n      this._restartInterval();\n    }\n  }\n\n  public get isPaused(): boolean { return !(this._blinkStartTimeout || this._blinkInterval); }\n\n  public dispose(): void {\n    if (this._blinkInterval) {\n      window.clearInterval(this._blinkInterval);\n      this._blinkInterval = null;\n    }\n    if (this._blinkStartTimeout) {\n      window.clearTimeout(this._blinkStartTimeout);\n      this._blinkStartTimeout = null;\n    }\n    if (this._animationFrame) {\n      window.cancelAnimationFrame(this._animationFrame);\n      this._animationFrame = null;\n    }\n  }\n\n  public restartBlinkAnimation(terminal: ITerminal): void {\n    if (this.isPaused) {\n      return;\n    }\n    // Save a timestamp so that the restart can be done on the next interval\n    this._animationTimeRestarted = Date.now();\n    // Force a cursor render to ensure it's visible and in the correct position\n    this.isCursorVisible = true;\n    if (!this._animationFrame) {\n      this._animationFrame = window.requestAnimationFrame(() => {\n        this._renderCallback();\n        this._animationFrame = null;\n      });\n    }\n  }\n\n  private _restartInterval(timeToStart: number = BLINK_INTERVAL): void {\n    // Clear any existing interval\n    if (this._blinkInterval) {\n      window.clearInterval(this._blinkInterval);\n    }\n\n    // Setup the initial timeout which will hide the cursor, this is done before\n    // the regular interval is setup in order to support restarting the blink\n    // animation in a lightweight way (without thrashing clearInterval and\n    // setInterval).\n    this._blinkStartTimeout = <number><any>setTimeout(() => {\n      // Check if another animation restart was requested while this was being\n      // started\n      if (this._animationTimeRestarted) {\n        const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n        this._animationTimeRestarted = null;\n        if (time > 0) {\n          this._restartInterval(time);\n          return;\n        }\n      }\n\n      // Hide the cursor\n      this.isCursorVisible = false;\n      this._animationFrame = window.requestAnimationFrame(() => {\n        this._renderCallback();\n        this._animationFrame = null;\n      });\n\n      // Setup the blink interval\n      this._blinkInterval = <number><any>setInterval(() => {\n        // Adjust the animation time if it was restarted\n        if (this._animationTimeRestarted) {\n          // calc time diff\n          // Make restart interval do a setTimeout initially?\n          const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n          this._animationTimeRestarted = null;\n          this._restartInterval(time);\n          return;\n        }\n\n        // Invert visibility and render\n        this.isCursorVisible = !this.isCursorVisible;\n        this._animationFrame = window.requestAnimationFrame(() => {\n          this._renderCallback();\n          this._animationFrame = null;\n        });\n      }, BLINK_INTERVAL);\n    }, timeToStart);\n  }\n\n  public pause(): void {\n    this.isCursorVisible = true;\n    if (this._blinkInterval) {\n      window.clearInterval(this._blinkInterval);\n      this._blinkInterval = null;\n    }\n    if (this._blinkStartTimeout) {\n      window.clearTimeout(this._blinkStartTimeout);\n      this._blinkStartTimeout = null;\n    }\n    if (this._animationFrame) {\n      window.cancelAnimationFrame(this._animationFrame);\n      this._animationFrame = null;\n    }\n  }\n\n  public resume(terminal: ITerminal): void {\n    this._animationTimeRestarted = null;\n    this._restartInterval();\n    this.restartBlinkAnimation(terminal);\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorManager } from './Types';\nimport { IColor, IColorSet } from '../shared/Types';\nimport { ITheme } from 'xterm';\n\nconst DEFAULT_FOREGROUND = fromHex('#ffffff');\nconst DEFAULT_BACKGROUND = fromHex('#000000');\nconst DEFAULT_CURSOR = fromHex('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = fromHex('#000000');\nconst DEFAULT_SELECTION = {\n  css: 'rgba(255, 255, 255, 0.3)',\n  rgba: 0xFFFFFF77\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS. Do not mutate DEFAULT_ANSI_COLORS, instead make a copy\n// and mutate that.\nexport const DEFAULT_ANSI_COLORS = (() => {\n  const colors = [\n    // dark:\n    fromHex('#2e3436'),\n    fromHex('#cc0000'),\n    fromHex('#4e9a06'),\n    fromHex('#c4a000'),\n    fromHex('#3465a4'),\n    fromHex('#75507b'),\n    fromHex('#06989a'),\n    fromHex('#d3d7cf'),\n    // bright:\n    fromHex('#555753'),\n    fromHex('#ef2929'),\n    fromHex('#8ae234'),\n    fromHex('#fce94f'),\n    fromHex('#729fcf'),\n    fromHex('#ad7fa8'),\n    fromHex('#34e2e2'),\n    fromHex('#eeeeec')\n  ];\n\n  // Fill in the remaining 240 ANSI colors.\n  // Generate colors (16-231)\n  const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n  for (let i = 0; i < 216; i++) {\n    const r = v[(i / 36) % 6 | 0];\n    const g = v[(i / 6) % 6 | 0];\n    const b = v[i % 6];\n    colors.push({\n      css: `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`,\n      // Use >>> 0 to force a conversion to an unsigned int\n      rgba: ((r << 24) | (g << 16) | (b << 8) | 0xFF) >>> 0\n    });\n  }\n\n  // Generate greys (232-255)\n  for (let i = 0; i < 24; i++) {\n    const c = 8 + i * 10;\n    const ch = toPaddedHex(c);\n    colors.push({\n      css: `#${ch}${ch}${ch}`,\n      rgba: ((c << 24) | (c << 16) | (c << 8) | 0xFF) >>> 0\n    });\n  }\n\n  return colors;\n})();\n\nfunction fromHex(css: string): IColor {\n  return {\n    css,\n    rgba: parseInt(css.slice(1), 16) << 8 | 0xFF\n  };\n}\n\nfunction toPaddedHex(c: number): string {\n  const s = c.toString(16);\n  return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Manages the source of truth for a terminal's colors.\n */\nexport class ColorManager implements IColorManager {\n  public colors: IColorSet;\n  private _ctx: CanvasRenderingContext2D;\n  private _litmusColor: CanvasGradient;\n\n  constructor(document: Document, public allowTransparency: boolean) {\n    const canvas = document.createElement('canvas');\n    canvas.width = 1;\n    canvas.height = 1;\n    this._ctx = canvas.getContext('2d');\n    this._ctx.globalCompositeOperation = 'copy';\n    this._litmusColor = this._ctx.createLinearGradient(0, 0, 1, 1);\n    this.colors = {\n      foreground: DEFAULT_FOREGROUND,\n      background: DEFAULT_BACKGROUND,\n      cursor: DEFAULT_CURSOR,\n      cursorAccent: DEFAULT_CURSOR_ACCENT,\n      selection: DEFAULT_SELECTION,\n      ansi: DEFAULT_ANSI_COLORS.slice()\n    };\n  }\n\n  /**\n   * Sets the terminal's theme.\n   * @param theme The  theme to use. If a partial theme is provided then default\n   * colors will be used where colors are not defined.\n   */\n  public setTheme(theme: ITheme): void {\n    this.colors.foreground = this._parseColor(theme.foreground, DEFAULT_FOREGROUND);\n    this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);\n    this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);\n    this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);\n    this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);\n    this.colors.ansi[0] = this._parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n    this.colors.ansi[1] = this._parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n    this.colors.ansi[2] = this._parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n    this.colors.ansi[3] = this._parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n    this.colors.ansi[4] = this._parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n    this.colors.ansi[5] = this._parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n    this.colors.ansi[6] = this._parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n    this.colors.ansi[7] = this._parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n    this.colors.ansi[8] = this._parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n    this.colors.ansi[9] = this._parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n    this.colors.ansi[10] = this._parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n    this.colors.ansi[11] = this._parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n    this.colors.ansi[12] = this._parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n    this.colors.ansi[13] = this._parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n    this.colors.ansi[14] = this._parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n    this.colors.ansi[15] = this._parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n  }\n\n  private _parseColor(\n    css: string,\n    fallback: IColor,\n    allowTransparency: boolean = this.allowTransparency\n  ): IColor {\n    if (!css) {\n      return fallback;\n    }\n\n    // If parsing the value results in failure, then it must be ignored, and the attribute must\n    // retain its previous value.\n    // -- https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n    this._ctx.fillStyle = this._litmusColor;\n    this._ctx.fillStyle = css;\n    if (typeof this._ctx.fillStyle !== 'string') {\n      console.warn(`Color: ${css} is invalid using fallback ${fallback.css}`);\n      return fallback;\n    }\n\n    this._ctx.fillRect(0, 0, 1, 1);\n    const data = this._ctx.getImageData(0, 0, 1, 1).data;\n\n    if (!allowTransparency && data[3] !== 0xFF) {\n      // Ideally we'd just ignore the alpha channel, but...\n      //\n      // Browsers may not give back exactly the same RGB values we put in, because most/all\n      // convert the color to a pre-multiplied representation. getImageData converts that back to\n      // a un-premultipled representation, but the precision loss may make the RGB channels unuable\n      // on their own.\n      //\n      // E.g. In Chrome #12345610 turns into #10305010, and in the extreme case, 0xFFFFFF00 turns\n      // into 0x00000000.\n      //\n      // \"Note: Due to the lossy nature of converting to and from premultiplied alpha color values,\n      // pixels that have just been set using putImageData() might be returned to an equivalent\n      // getImageData() as different values.\"\n      // -- https://html.spec.whatwg.org/multipage/canvas.html#pixel-manipulation\n      //\n      // So let's just use the fallback color in this case instead.\n      console.warn(\n        `Color: ${css} is using transparency, but allowTransparency is false. ` +\n        `Using fallback ${fallback.css}.`\n      );\n      return fallback;\n    }\n\n    return {\n      css,\n      rgba: (data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3]) >>> 0\n    };\n  }\n}\n","import { CHAR_DATA_ATTR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from '../Buffer';\nimport { ITerminal, IBufferLine } from '../Types';\nimport { ICharacterJoinerRegistry, ICharacterJoiner } from './Types';\n\nexport class CharacterJoinerRegistry implements ICharacterJoinerRegistry {\n\n  private _characterJoiners: ICharacterJoiner[] = [];\n  private _nextCharacterJoinerId: number = 0;\n\n  constructor(private _terminal: ITerminal) {\n  }\n\n  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n    const joiner: ICharacterJoiner = {\n      id: this._nextCharacterJoinerId++,\n      handler\n    };\n\n    this._characterJoiners.push(joiner);\n    return joiner.id;\n  }\n\n  public deregisterCharacterJoiner(joinerId: number): boolean {\n    for (let i = 0; i < this._characterJoiners.length; i++) {\n      if (this._characterJoiners[i].id === joinerId) {\n        this._characterJoiners.splice(i, 1);\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  public getJoinedCharacters(row: number): [number, number][] {\n    if (this._characterJoiners.length === 0) {\n      return [];\n    }\n\n    const line = this._terminal.buffer.lines.get(row);\n    if (line.length === 0) {\n      return [];\n    }\n\n    const ranges: [number, number][] = [];\n    const lineStr = this._terminal.buffer.translateBufferLineToString(row, true);\n\n    // Because some cells can be represented by multiple javascript characters,\n    // we track the cell and the string indexes separately. This allows us to\n    // translate the string ranges we get from the joiners back into cell ranges\n    // for use when rendering\n    let rangeStartColumn = 0;\n    let currentStringIndex = 0;\n    let rangeStartStringIndex = 0;\n    let rangeAttr = line.get(0)[CHAR_DATA_ATTR_INDEX] >> 9;\n\n    for (let x = 0; x < this._terminal.cols; x++) {\n      const charData = line.get(x);\n      const chars = charData[CHAR_DATA_CHAR_INDEX];\n      const width = charData[CHAR_DATA_WIDTH_INDEX];\n      const attr = charData[CHAR_DATA_ATTR_INDEX] >> 9;\n\n      if (width === 0) {\n        // If this character is of width 0, skip it.\n        continue;\n      }\n\n      // End of range\n      if (attr !== rangeAttr) {\n        // If we ended up with a sequence of more than one character,\n        // look for ranges to join.\n        if (x - rangeStartColumn > 1) {\n          const joinedRanges = this._getJoinedRanges(\n            lineStr,\n            rangeStartStringIndex,\n            currentStringIndex,\n            line,\n            rangeStartColumn\n          );\n          for (let i = 0; i < joinedRanges.length; i++) {\n            ranges.push(joinedRanges[i]);\n          }\n        }\n\n        // Reset our markers for a new range.\n        rangeStartColumn = x;\n        rangeStartStringIndex = currentStringIndex;\n        rangeAttr = attr;\n      }\n\n      currentStringIndex += chars.length;\n    }\n\n    // Process any trailing ranges.\n    if (this._terminal.cols - rangeStartColumn > 1) {\n      const joinedRanges = this._getJoinedRanges(\n        lineStr,\n        rangeStartStringIndex,\n        currentStringIndex,\n        line,\n        rangeStartColumn\n      );\n      for (let i = 0; i < joinedRanges.length; i++) {\n        ranges.push(joinedRanges[i]);\n      }\n    }\n\n    return ranges;\n  }\n\n  /**\n   * Given a segment of a line of text, find all ranges of text that should be\n   * joined in a single rendering unit. Ranges are internally converted to\n   * column ranges, rather than string ranges.\n   * @param line String representation of the full line of text\n   * @param startIndex Start position of the range to search in the string (inclusive)\n   * @param endIndex End position of the range to search in the string (exclusive)\n   */\n  private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {\n    const text = line.substring(startIndex, endIndex);\n    // At this point we already know that there is at least one joiner so\n    // we can just pull its value and assign it directly rather than\n    // merging it into an empty array, which incurs unnecessary writes.\n    const joinedRanges: [number, number][] = this._characterJoiners[0].handler(text);\n    for (let i = 1; i < this._characterJoiners.length; i++) {\n      // We merge any overlapping ranges across the different joiners\n      const joinerRanges = this._characterJoiners[i].handler(text);\n      for (let j = 0; j < joinerRanges.length; j++) {\n        CharacterJoinerRegistry._mergeRanges(joinedRanges, joinerRanges[j]);\n      }\n    }\n    this._stringRangesToCellRanges(joinedRanges, lineData, startCol);\n    return joinedRanges;\n  }\n\n  /**\n   * Modifies the provided ranges in-place to adjust for variations between\n   * string length and cell width so that the range represents a cell range,\n   * rather than the string range the joiner provides.\n   * @param ranges String ranges containing start (inclusive) and end (exclusive) index\n   * @param line Cell data for the relevant line in the terminal\n   * @param startCol Offset within the line to start from\n   */\n  private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {\n    let currentRangeIndex = 0;\n    let currentRangeStarted = false;\n    let currentStringIndex = 0;\n    let currentRange = ranges[currentRangeIndex];\n\n    // If we got through all of the ranges, stop searching\n    if (!currentRange) {\n      return;\n    }\n\n    for (let x = startCol; x < this._terminal.cols; x++) {\n      const charData = line.get(x);\n      const width = charData[CHAR_DATA_WIDTH_INDEX];\n      const length = charData[CHAR_DATA_CHAR_INDEX].length;\n\n      // We skip zero-width characters when creating the string to join the text\n      // so we do the same here\n      if (width === 0) {\n        continue;\n      }\n\n      // Adjust the start of the range\n      if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {\n        currentRange[0] = x;\n        currentRangeStarted = true;\n      }\n\n      // Adjust the end of the range\n      if (currentRange[1] <= currentStringIndex) {\n        currentRange[1] = x;\n\n        // We're finished with this range, so we move to the next one\n        currentRange = ranges[++currentRangeIndex];\n\n        // If there are no more ranges left, stop searching\n        if (!currentRange) {\n          break;\n        }\n\n        // Ranges can be on adjacent characters. Because the end index of the\n        // ranges are exclusive, this means that the index for the start of a\n        // range can be the same as the end index of the previous range. To\n        // account for the start of the next range, we check here just in case.\n        if (currentRange[0] <= currentStringIndex) {\n          currentRange[0] = x;\n          currentRangeStarted = true;\n        } else {\n          currentRangeStarted = false;\n        }\n      }\n\n      // Adjust the string index based on the character length to line up with\n      // the column adjustment\n      currentStringIndex += length;\n    }\n\n    // If there is still a range left at the end, it must extend all the way to\n    // the end of the line.\n    if (currentRange) {\n      currentRange[1] = this._terminal.cols;\n    }\n  }\n\n  /**\n   * Merges the range defined by the provided start and end into the list of\n   * existing ranges. The merge is done in place on the existing range for\n   * performance and is also returned.\n   * @param ranges Existing range list\n   * @param newRange Tuple of two numbers representing the new range to merge in.\n   * @returns The ranges input with the new range merged in place\n   */\n  private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {\n    let inRange = false;\n    for (let i = 0; i < ranges.length; i++) {\n      const range = ranges[i];\n      if (!inRange) {\n        if (newRange[1] <= range[0]) {\n          // Case 1: New range is before the search range\n          ranges.splice(i, 0, newRange);\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 2: New range is either wholly contained within the\n          // search range or overlaps with the front of it\n          range[0] = Math.min(newRange[0], range[0]);\n          return ranges;\n        }\n\n        if (newRange[0] < range[1]) {\n          // Case 3: New range either wholly contains the search range\n          // or overlaps with the end of it\n          range[0] = Math.min(newRange[0], range[0]);\n          inRange = true;\n        }\n\n        // Case 4: New range starts after the search range\n        continue;\n      } else {\n        if (newRange[1] <= range[0]) {\n          // Case 5: New range extends from previous range but doesn't\n          // reach the current one\n          ranges[i - 1][1] = newRange[1];\n          return ranges;\n        }\n\n        if (newRange[1] <= range[1]) {\n          // Case 6: New range extends from prvious range into the\n          // current range\n          ranges[i - 1][1] = Math.max(newRange[1], range[1]);\n          ranges.splice(i, 1);\n          inRange = false;\n          return ranges;\n        }\n\n        // Case 7: New range extends from previous range past the\n        // end of the current range\n        ranges.splice(i, 1);\n        i--;\n      }\n    }\n\n    if (inRange) {\n      // Case 8: New range extends past the last existing range\n      ranges[ranges.length - 1][1] = newRange[1];\n    } else {\n      // Case 9: New range starts after the last existing range\n      ranges.push(newRange);\n    }\n\n    return ranges;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderLayer, IColorSet, IRenderDimensions } from './Types';\nimport { CharData, ITerminal } from '../Types';\nimport { DIM_OPACITY, INVERTED_DEFAULT_COLOR, IGlyphIdentifier } from './atlas/Types';\nimport BaseCharAtlas from './atlas/BaseCharAtlas';\nimport { acquireCharAtlas } from './atlas/CharAtlasCache';\nimport { CHAR_DATA_CHAR_INDEX } from '../Buffer';\n\nexport abstract class BaseRenderLayer implements IRenderLayer {\n  private _canvas: HTMLCanvasElement;\n  protected _ctx: CanvasRenderingContext2D;\n  private _scaledCharWidth: number = 0;\n  private _scaledCharHeight: number = 0;\n  private _scaledCellWidth: number = 0;\n  private _scaledCellHeight: number = 0;\n  private _scaledCharLeft: number = 0;\n  private _scaledCharTop: number = 0;\n\n  protected _charAtlas: BaseCharAtlas;\n\n  /**\n   * An object that's reused when drawing glyphs in order to reduce GC.\n   */\n  private _currentGlyphIdentifier: IGlyphIdentifier = {\n    chars: '',\n    code: 0,\n    bg: 0,\n    fg: 0,\n    bold: false,\n    dim: false,\n    italic: false\n  };\n\n  constructor(\n    private _container: HTMLElement,\n    id: string,\n    zIndex: number,\n    private _alpha: boolean,\n    protected _colors: IColorSet\n  ) {\n    this._canvas = document.createElement('canvas');\n    this._canvas.classList.add(`xterm-${id}-layer`);\n    this._canvas.style.zIndex = zIndex.toString();\n    this._initCanvas();\n    this._container.appendChild(this._canvas);\n  }\n\n  public dispose(): void {\n    this._container.removeChild(this._canvas);\n    if (this._charAtlas) {\n      this._charAtlas.dispose();\n    }\n  }\n\n  private _initCanvas(): void {\n    this._ctx = this._canvas.getContext('2d', {alpha: this._alpha});\n    // Draw the background if this is an opaque layer\n    if (!this._alpha) {\n      this.clearAll();\n    }\n  }\n\n  public onOptionsChanged(terminal: ITerminal): void {}\n  public onBlur(terminal: ITerminal): void {}\n  public onFocus(terminal: ITerminal): void {}\n  public onCursorMove(terminal: ITerminal): void {}\n  public onGridChanged(terminal: ITerminal, startRow: number, endRow: number): void {}\n  public onSelectionChanged(terminal: ITerminal, start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {}\n\n  public onThemeChanged(terminal: ITerminal, colorSet: IColorSet): void {\n    this._refreshCharAtlas(terminal, colorSet);\n  }\n\n  protected setTransparency(terminal: ITerminal, alpha: boolean): void {\n    // Do nothing when alpha doesn't change\n    if (alpha === this._alpha) {\n      return;\n    }\n\n    // Create new canvas and replace old one\n    const oldCanvas = this._canvas;\n    this._alpha = alpha;\n    // Cloning preserves properties\n    this._canvas = <HTMLCanvasElement>this._canvas.cloneNode();\n    this._initCanvas();\n    this._container.replaceChild(this._canvas, oldCanvas);\n\n    // Regenerate char atlas and force a full redraw\n    this._refreshCharAtlas(terminal, this._colors);\n    this.onGridChanged(terminal, 0, terminal.rows - 1);\n  }\n\n  /**\n   * Refreshes the char atlas, aquiring a new one if necessary.\n   * @param terminal The terminal.\n   * @param colorSet The color set to use for the char atlas.\n   */\n  private _refreshCharAtlas(terminal: ITerminal, colorSet: IColorSet): void {\n    if (this._scaledCharWidth <= 0 && this._scaledCharHeight <= 0) {\n      return;\n    }\n    this._charAtlas = acquireCharAtlas(terminal, colorSet, this._scaledCharWidth, this._scaledCharHeight);\n    this._charAtlas.warmUp();\n  }\n\n  public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n    this._scaledCellWidth = dim.scaledCellWidth;\n    this._scaledCellHeight = dim.scaledCellHeight;\n    this._scaledCharWidth = dim.scaledCharWidth;\n    this._scaledCharHeight = dim.scaledCharHeight;\n    this._scaledCharLeft = dim.scaledCharLeft;\n    this._scaledCharTop = dim.scaledCharTop;\n    this._canvas.width = dim.scaledCanvasWidth;\n    this._canvas.height = dim.scaledCanvasHeight;\n    this._canvas.style.width = `${dim.canvasWidth}px`;\n    this._canvas.style.height = `${dim.canvasHeight}px`;\n\n    // Draw the background if this is an opaque layer\n    if (!this._alpha) {\n      this.clearAll();\n    }\n\n    this._refreshCharAtlas(terminal, this._colors);\n  }\n\n  public abstract reset(terminal: ITerminal): void;\n\n  /**\n   * Fills 1+ cells completely. This uses the existing fillStyle on the context.\n   * @param x The column to start at.\n   * @param y The row to start at\n   * @param width The number of columns to fill.\n   * @param height The number of rows to fill.\n   */\n  protected fillCells(x: number, y: number, width: number, height: number): void {\n    this._ctx.fillRect(\n        x * this._scaledCellWidth,\n        y * this._scaledCellHeight,\n        width * this._scaledCellWidth,\n        height * this._scaledCellHeight);\n  }\n\n  /**\n   * Fills a 1px line (2px on HDPI) at the bottom of the cell. This uses the\n   * existing fillStyle on the context.\n   * @param x The column to fill.\n   * @param y The row to fill.\n   */\n  protected fillBottomLineAtCells(x: number, y: number, width: number = 1): void {\n    this._ctx.fillRect(\n        x * this._scaledCellWidth,\n        (y + 1) * this._scaledCellHeight - window.devicePixelRatio - 1 /* Ensure it's drawn within the cell */,\n        width * this._scaledCellWidth,\n        window.devicePixelRatio);\n  }\n\n  /**\n   * Fills a 1px line (2px on HDPI) at the left of the cell. This uses the\n   * existing fillStyle on the context.\n   * @param x The column to fill.\n   * @param y The row to fill.\n   */\n  protected fillLeftLineAtCell(x: number, y: number): void {\n    this._ctx.fillRect(\n        x * this._scaledCellWidth,\n        y * this._scaledCellHeight,\n        window.devicePixelRatio,\n        this._scaledCellHeight);\n  }\n\n  /**\n   * Strokes a 1px rectangle (2px on HDPI) around a cell. This uses the existing\n   * strokeStyle on the context.\n   * @param x The column to fill.\n   * @param y The row to fill.\n   */\n  protected strokeRectAtCell(x: number, y: number, width: number, height: number): void {\n    this._ctx.lineWidth = window.devicePixelRatio;\n    this._ctx.strokeRect(\n        x * this._scaledCellWidth + window.devicePixelRatio / 2,\n        y * this._scaledCellHeight + (window.devicePixelRatio / 2),\n        width * this._scaledCellWidth - window.devicePixelRatio,\n        (height * this._scaledCellHeight) - window.devicePixelRatio);\n  }\n\n  /**\n   * Clears the entire canvas.\n   */\n  protected clearAll(): void {\n    if (this._alpha) {\n      this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);\n    } else {\n      this._ctx.fillStyle = this._colors.background.css;\n      this._ctx.fillRect(0, 0, this._canvas.width, this._canvas.height);\n    }\n  }\n\n  /**\n   * Clears 1+ cells completely.\n   * @param x The column to start at.\n   * @param y The row to start at.\n   * @param width The number of columns to clear.\n   * @param height The number of rows to clear.\n   */\n  protected clearCells(x: number, y: number, width: number, height: number): void {\n    if (this._alpha) {\n      this._ctx.clearRect(\n          x * this._scaledCellWidth,\n          y * this._scaledCellHeight,\n          width * this._scaledCellWidth,\n          height * this._scaledCellHeight);\n    } else {\n      this._ctx.fillStyle = this._colors.background.css;\n      this._ctx.fillRect(\n          x * this._scaledCellWidth,\n          y * this._scaledCellHeight,\n          width * this._scaledCellWidth,\n          height * this._scaledCellHeight);\n    }\n  }\n\n  /**\n   * Draws a truecolor character at the cell. The character will be clipped to\n   * ensure that it fits with the cell, including the cell to the right if it's\n   * a wide character. This uses the existing fillStyle on the context.\n   * @param terminal The terminal.\n   * @param charData The char data for the character to draw.\n   * @param x The column to draw at.\n   * @param y The row to draw at.\n   * @param color The color of the character.\n   */\n  protected fillCharTrueColor(terminal: ITerminal, charData: CharData, x: number, y: number): void {\n    this._ctx.font = this._getFont(terminal, false, false);\n    this._ctx.textBaseline = 'top';\n    this._clipRow(terminal, y);\n    this._ctx.fillText(\n        charData[CHAR_DATA_CHAR_INDEX],\n        x * this._scaledCellWidth + this._scaledCharLeft,\n        y * this._scaledCellHeight + this._scaledCharTop);\n  }\n\n  /**\n   * Draws one or more characters at a cell. If possible this will draw using\n   * the character atlas to reduce draw time.\n   * @param terminal The terminal.\n   * @param chars The character or characters.\n   * @param code The character code.\n   * @param width The width of the characters.\n   * @param x The column to draw at.\n   * @param y The row to draw at.\n   * @param fg The foreground color, in the format stored within the attributes.\n   * @param bg The background color, in the format stored within the attributes.\n   * This is used to validate whether a cached image can be used.\n   * @param bold Whether the text is bold.\n   */\n  protected drawChars(terminal: ITerminal, chars: string, code: number, width: number, x: number, y: number, fg: number, bg: number, bold: boolean, dim: boolean, italic: boolean): void {\n    const drawInBrightColor = terminal.options.drawBoldTextInBrightColors && bold && fg < 8 && fg !== INVERTED_DEFAULT_COLOR;\n\n    fg += drawInBrightColor ? 8 : 0;\n    this._currentGlyphIdentifier.chars = chars;\n    this._currentGlyphIdentifier.code = code;\n    this._currentGlyphIdentifier.bg = bg;\n    this._currentGlyphIdentifier.fg = fg;\n    this._currentGlyphIdentifier.bold = bold && terminal.options.enableBold;\n    this._currentGlyphIdentifier.dim = dim;\n    this._currentGlyphIdentifier.italic = italic;\n    const atlasDidDraw = this._charAtlas && this._charAtlas.draw(\n      this._ctx,\n      this._currentGlyphIdentifier,\n      x * this._scaledCellWidth + this._scaledCharLeft,\n      y * this._scaledCellHeight + this._scaledCharTop\n    );\n\n    if (!atlasDidDraw) {\n      this._drawUncachedChars(terminal, chars, width, fg, x, y, bold && terminal.options.enableBold, dim, italic);\n    }\n  }\n\n  /**\n   * Draws one or more characters at one or more cells. The character(s) will be\n   * clipped to ensure that they fit with the cell(s), including the cell to the\n   * right if the last character is a wide character.\n   * @param terminal The terminal.\n   * @param chars The character.\n   * @param width The width of the character.\n   * @param fg The foreground color, in the format stored within the attributes.\n   * @param x The column to draw at.\n   * @param y The row to draw at.\n   */\n  private _drawUncachedChars(terminal: ITerminal, chars: string, width: number, fg: number, x: number, y: number, bold: boolean, dim: boolean, italic: boolean): void {\n    this._ctx.save();\n    this._ctx.font = this._getFont(terminal, bold, italic);\n    this._ctx.textBaseline = 'top';\n\n    if (fg === INVERTED_DEFAULT_COLOR) {\n      this._ctx.fillStyle = this._colors.background.css;\n    } else if (fg < 256) {\n      // 256 color support\n      this._ctx.fillStyle = this._colors.ansi[fg].css;\n    } else {\n      this._ctx.fillStyle = this._colors.foreground.css;\n    }\n\n    this._clipRow(terminal, y);\n\n    // Apply alpha to dim the character\n    if (dim) {\n      this._ctx.globalAlpha = DIM_OPACITY;\n    }\n    // Draw the character\n    this._ctx.fillText(\n        chars,\n        x * this._scaledCellWidth + this._scaledCharLeft,\n        y * this._scaledCellHeight + this._scaledCharTop);\n    this._ctx.restore();\n  }\n\n  /**\n   * Clips a row to ensure no pixels will be drawn outside the cells in the row.\n   * @param terminal The terminal.\n   * @param y The row to clip.\n   */\n  private _clipRow(terminal: ITerminal, y: number): void {\n    this._ctx.beginPath();\n    this._ctx.rect(\n        0,\n        y * this._scaledCellHeight,\n        terminal.cols * this._scaledCellWidth,\n        this._scaledCellHeight);\n    this._ctx.clip();\n  }\n\n  /**\n   * Gets the current font.\n   * @param terminal The terminal.\n   * @param isBold If we should use the bold fontWeight.\n   */\n  protected _getFont(terminal: ITerminal, isBold: boolean, isItalic: boolean): string {\n    const fontWeight = isBold ? terminal.options.fontWeightBold : terminal.options.fontWeight;\n    const fontStyle = isItalic ? 'italic' : '';\n\n    return `${fontStyle} ${fontWeight} ${terminal.options.fontSize * window.devicePixelRatio}px ${terminal.options.fontFamily}`;\n  }\n}\n\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Terminal as ITerminalApi, ITerminalOptions, IMarker, IDisposable, ILinkMatcherOptions, ITheme, ILocalizableStrings } from 'xterm';\nimport { ITerminal } from '../Types';\nimport { Terminal as TerminalCore } from '../Terminal';\nimport * as Strings from '../Strings';\n\nexport class Terminal implements ITerminalApi {\n  private _core: ITerminal;\n\n  constructor(options?: ITerminalOptions) {\n    this._core = new TerminalCore(options);\n  }\n\n  public get element(): HTMLElement { return this._core.element; }\n  public get textarea(): HTMLTextAreaElement { return this._core.textarea; }\n  public get rows(): number { return this._core.rows; }\n  public get cols(): number { return this._core.cols; }\n  public get markers(): IMarker[] { return this._core.markers; }\n  public blur(): void {\n    this._core.blur();\n  }\n  public focus(): void {\n    this._core.focus();\n  }\n  public on(type: 'blur' | 'focus' | 'linefeed' | 'selection', listener: () => void): void;\n  public on(type: 'data', listener: (...args: any[]) => void): void;\n  public on(type: 'key', listener: (key?: string, event?: KeyboardEvent) => void): void;\n  public on(type: 'keypress' | 'keydown', listener: (event?: KeyboardEvent) => void): void;\n  public on(type: 'refresh', listener: (data?: { start: number; end: number; }) => void): void;\n  public on(type: 'resize', listener: (data?: { cols: number; rows: number; }) => void): void;\n  public on(type: 'scroll', listener: (ydisp?: number) => void): void;\n  public on(type: 'title', listener: (title?: string) => void): void;\n  public on(type: string, listener: (...args: any[]) => void): void;\n  public on(type: any, listener: any): void {\n    this._core.on(type, listener);\n  }\n  public off(type: string, listener: (...args: any[]) => void): void {\n    this._core.off(type, listener);\n  }\n  public emit(type: string, data?: any): void {\n    this._core.emit(type, data);\n  }\n  public addDisposableListener(type: string, handler: (...args: any[]) => void): IDisposable {\n    return this._core.addDisposableListener(type, handler);\n  }\n  public resize(columns: number, rows: number): void {\n    this._core.resize(columns, rows);\n  }\n  public writeln(data: string): void {\n    this._core.writeln(data);\n  }\n  public open(parent: HTMLElement): void {\n    this._core.open(parent);\n  }\n  public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {\n    this._core.attachCustomKeyEventHandler(customKeyEventHandler);\n  }\n  public registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => void, options?: ILinkMatcherOptions): number {\n    return this._core.registerLinkMatcher(regex, handler, options);\n  }\n  public deregisterLinkMatcher(matcherId: number): void {\n    this._core.deregisterLinkMatcher(matcherId);\n  }\n  public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n    return this._core.registerCharacterJoiner(handler);\n  }\n  public deregisterCharacterJoiner(joinerId: number): void {\n    this._core.deregisterCharacterJoiner(joinerId);\n  }\n  public addMarker(cursorYOffset: number): IMarker {\n    return this._core.addMarker(cursorYOffset);\n  }\n  public hasSelection(): boolean {\n    return this._core.hasSelection();\n  }\n  public getSelection(): string {\n    return this._core.getSelection();\n  }\n  public clearSelection(): void {\n    this._core.clearSelection();\n  }\n  public selectAll(): void {\n    this._core.selectAll();\n  }\n  public selectLines(start: number, end: number): void {\n    this._core.selectLines(start, end);\n  }\n  public dispose(): void {\n    this._core.dispose();\n  }\n  public destroy(): void {\n    this._core.destroy();\n  }\n  public scrollLines(amount: number): void {\n    this._core.scrollLines(amount);\n  }\n  public scrollPages(pageCount: number): void {\n    this._core.scrollPages(pageCount);\n  }\n  public scrollToTop(): void {\n    this._core.scrollToTop();\n  }\n  public scrollToBottom(): void {\n    this._core.scrollToBottom();\n  }\n  public scrollToLine(line: number): void {\n    this._core.scrollToLine(line);\n  }\n  public clear(): void {\n    this._core.clear();\n  }\n  public write(data: string): void {\n    this._core.write(data);\n  }\n  public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'rendererType' | 'termName'): string;\n  public getOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'debug' | 'disableStdin' | 'enableBold' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell'): boolean;\n  public getOption(key: 'colors'): string[];\n  public getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number;\n  public getOption(key: 'handler'): (data: string) => void;\n  public getOption(key: string): any;\n  public getOption(key: any): any {\n    return this._core.getOption(key);\n  }\n  public setOption(key: 'bellSound' | 'fontFamily' | 'termName', value: string): void;\n  public setOption(key: 'fontWeight' | 'fontWeightBold', value: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'): void;\n  public setOption(key: 'bellStyle', value: 'none' | 'visual' | 'sound' | 'both'): void;\n  public setOption(key: 'cursorStyle', value: 'block' | 'underline' | 'bar'): void;\n  public setOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'debug' | 'disableStdin' | 'enableBold' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell', value: boolean): void;\n  public setOption(key: 'colors', value: string[]): void;\n  public setOption(key: 'fontSize' | 'letterSpacing' | 'lineHeight' | 'tabStopWidth' | 'scrollback', value: number): void;\n  public setOption(key: 'handler', value: (data: string) => void): void;\n  public setOption(key: 'theme', value: ITheme): void;\n  public setOption(key: 'cols' | 'rows', value: number): void;\n  public setOption(key: string, value: any): void;\n  public setOption(key: any, value: any): void {\n    this._core.setOption(key, value);\n  }\n  public refresh(start: number, end: number): void {\n    this._core.refresh(start, end);\n  }\n  public reset(): void {\n    this._core.reset();\n  }\n  public static applyAddon(addon: any): void {\n    addon.apply(Terminal);\n  }\n  public static get strings(): ILocalizableStrings {\n    return Strings;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager } from '../Types';\n\ninterface IWindow extends Window {\n  clipboardData?: {\n    getData(format: string): string;\n    setData(format: string, data: string): void;\n  };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string): string {\n  return text.replace(/\\r?\\n/g, '\\r');\n}\n\n/**\n * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste\n * @param text The pasted text to bracket\n */\nexport function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {\n  if (bracketedPasteMode) {\n    return '\\x1b[200~' + text + '\\x1b[201~';\n  }\n  return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager): void {\n  if (term.browser.isMSIE) {\n    window.clipboardData.setData('Text', selectionManager.selectionText);\n  } else {\n    ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n  }\n\n  // Prevent or the original text will be copied.\n  ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param ev The original paste event to be handled\n * @param term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal): void {\n  ev.stopPropagation();\n\n  let text: string;\n\n  const dispatchPaste = function(text: string): void {\n    text = prepareTextForTerminal(text);\n    text = bracketTextForPaste(text, term.bracketedPasteMode);\n    term.handler(text);\n    term.textarea.value = '';\n    term.emit('paste', text);\n    term.cancel(ev);\n  };\n\n  if (term.browser.isMSIE) {\n    if (window.clipboardData) {\n      text = window.clipboardData.getData('Text');\n      dispatchPaste(text);\n    }\n  } else {\n    if (ev.clipboardData) {\n      text = ev.clipboardData.getData('text/plain');\n      dispatchPaste(text);\n    }\n  }\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement): void {\n  // Bring textarea at the cursor position\n  textarea.style.position = 'fixed';\n  textarea.style.width = '20px';\n  textarea.style.height = '20px';\n  textarea.style.left = (ev.clientX - 10) + 'px';\n  textarea.style.top = (ev.clientY - 10) + 'px';\n  textarea.style.zIndex = '1000';\n\n  textarea.focus();\n\n  // Reset the terminal textarea's styling\n  // Timeout needs to be long enough for click event to be handled.\n  setTimeout(() => {\n    textarea.style.position = null;\n    textarea.style.width = null;\n    textarea.style.height = null;\n    textarea.style.left = null;\n    textarea.style.top = null;\n    textarea.style.zIndex = null;\n  }, 200);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionManager The terminal's selection manager.\n * @param shouldSelectWord If true and there is no selection the current word will be selected\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, selectionManager: ISelectionManager, shouldSelectWord: boolean): void {\n  moveTextAreaUnderMouseCursor(ev, textarea);\n\n  if (shouldSelectWord && !selectionManager.isClickInSelection(ev)) {\n    selectionManager.selectWordAtCursor(ev);\n  }\n\n  // Get textarea ready to copy from the context menu\n  textarea.value = selectionManager.selectionText;\n  textarea.select();\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, IBufferLine } from '../Types';\nimport { ICircularList } from '../common/Types';\nimport { C0 } from '../common/data/EscapeSequences';\n\nconst enum Direction {\n  UP = 'A',\n  DOWN = 'B',\n  RIGHT = 'C',\n  LEFT = 'D'\n}\n\nexport class AltClickHandler {\n  private _startRow: number;\n  private _startCol: number;\n  private _endRow: number;\n  private _endCol: number;\n  private _lines: ICircularList<IBufferLine>;\n\n  constructor(\n    private _mouseEvent: MouseEvent,\n    private _terminal: ITerminal\n  ) {\n    this._lines = this._terminal.buffer.lines;\n    this._startCol = this._terminal.buffer.x;\n    this._startRow = this._terminal.buffer.y;\n\n    const coordinates = this._terminal.mouseHelper.getCoords(\n      this._mouseEvent,\n      this._terminal.element,\n      this._terminal.charMeasure,\n      this._terminal.options.lineHeight,\n      this._terminal.cols,\n      this._terminal.rows,\n      false\n    );\n\n    if (coordinates) {\n      [this._endCol, this._endRow] = coordinates.map((coordinate: number) => {\n        return coordinate - 1;\n      });\n    }\n  }\n\n  /**\n   * Writes the escape sequences of arrows to the terminal\n   */\n  public move(): void {\n    if (this._mouseEvent.altKey && this._endCol !== undefined && this._endRow !== undefined) {\n      this._terminal.handler(this._arrowSequences());\n    }\n  }\n\n  /**\n   * Concatenates all the arrow sequences together.\n   * Resets the starting row to an unwrapped row, moves to the requested row,\n   * then moves to requested col.\n   */\n  private _arrowSequences(): string {\n    // The alt buffer should try to navigate between rows\n    if (!this._terminal.buffer.hasScrollback) {\n      return this._resetStartingRow() + this._moveToRequestedRow() + this._moveToRequestedCol();\n    }\n\n    // Only move horizontally for the normal buffer\n    return this._moveHorizontallyOnly();\n  }\n\n  /**\n   * If the initial position of the cursor is on a row that is wrapped, move the\n   * cursor up to the first row that is not wrapped to have accurate vertical\n   * positioning.\n   */\n  private _resetStartingRow(): string {\n    if (this._moveToRequestedRow().length === 0) {\n      return '';\n    }\n    return repeat(this._bufferLine(\n      this._startCol, this._startRow, this._startCol,\n      this._startRow - this._wrappedRowsForRow(this._startRow), false\n    ).length, this._sequence(Direction.LEFT));\n  }\n\n  /**\n   * Using the reset starting and ending row, move to the requested row,\n   * ignoring wrapped rows\n   */\n  private _moveToRequestedRow(): string {\n    const startRow = this._startRow - this._wrappedRowsForRow(this._startRow);\n    const endRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n\n    const rowsToMove = Math.abs(startRow - endRow) - this._wrappedRowsCount();\n\n    return repeat(rowsToMove, this._sequence(this._verticalDirection()));\n  }\n\n  /**\n   * Move to the requested col on the ending row\n   */\n  private _moveToRequestedCol(): string {\n    let startRow;\n    if (this._moveToRequestedRow().length > 0) {\n      startRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n    } else {\n      startRow = this._startRow;\n    }\n\n    const endRow = this._endRow;\n    const direction = this._horizontalDirection();\n\n    return repeat(this._bufferLine(\n      this._startCol, startRow, this._endCol, endRow,\n      direction === Direction.RIGHT\n    ).length, this._sequence(direction));\n  }\n\n  private _moveHorizontallyOnly(): string {\n    const direction = this._horizontalDirection();\n    return repeat(Math.abs(this._startCol - this._endCol), this._sequence(direction));\n  }\n\n  /**\n   * Utility functions\n   */\n\n  /**\n   * Calculates the number of wrapped rows between the unwrapped starting and\n   * ending rows. These rows need to ignored since the cursor skips over them.\n   */\n  private _wrappedRowsCount(): number {\n    let wrappedRows = 0;\n    const startRow = this._startRow - this._wrappedRowsForRow(this._startRow);\n    const endRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n\n    for (let i = 0; i < Math.abs(startRow - endRow); i++) {\n      const direction = this._verticalDirection() === Direction.UP ? -1 : 1;\n\n      if (this._lines.get(startRow + (direction * i)).isWrapped) {\n        wrappedRows++;\n      }\n    }\n\n    return wrappedRows;\n  }\n\n  /**\n   * Calculates the number of wrapped rows that make up a given row.\n   * @param currentRow The row to determine how many wrapped rows make it up\n   */\n  private _wrappedRowsForRow(currentRow: number): number {\n    let rowCount = 0;\n    let lineWraps = this._lines.get(currentRow).isWrapped;\n\n    while (lineWraps && currentRow >= 0 && currentRow < this._terminal.rows) {\n      rowCount++;\n      currentRow--;\n      lineWraps = this._lines.get(currentRow).isWrapped;\n    }\n\n    return rowCount;\n  }\n\n  /**\n   * Direction determiners\n   */\n\n  /**\n   * Determines if the right or left arrow is needed\n   */\n  private _horizontalDirection(): Direction {\n    let startRow;\n    if (this._moveToRequestedRow().length > 0) {\n      startRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n    } else {\n      startRow = this._startRow;\n    }\n\n    if ((this._startCol < this._endCol &&\n      startRow <= this._endRow) || // down/right or same y/right\n      (this._startCol >= this._endCol &&\n      startRow < this._endRow)) {  // down/left or same y/left\n      return Direction.RIGHT;\n    }\n    return Direction.LEFT;\n  }\n\n  /**\n   * Determines if the up or down arrow is needed\n   */\n  private _verticalDirection(): Direction {\n    if (this._startRow > this._endRow) {\n      return Direction.UP;\n    }\n    return Direction.DOWN;\n  }\n\n  /**\n   * Constructs the string of chars in the buffer from a starting row and col\n   * to an ending row and col\n   * @param startCol The starting column position\n   * @param startRow The starting row position\n   * @param endCol The ending column position\n   * @param endRow The ending row position\n   * @param forward Direction to move\n   */\n  private _bufferLine(\n    startCol: number,\n    startRow: number,\n    endCol: number,\n    endRow: number,\n    forward: boolean\n  ): string {\n    let currentCol = startCol;\n    let currentRow = startRow;\n    let bufferStr = '';\n\n    while (currentCol !== endCol || currentRow !== endRow) {\n      currentCol += forward ? 1 : -1;\n\n      if (forward && currentCol > this._terminal.cols - 1) {\n        bufferStr += this._terminal.buffer.translateBufferLineToString(\n          currentRow, false, startCol, currentCol\n        );\n        currentCol = 0;\n        startCol = 0;\n        currentRow++;\n      } else if (!forward && currentCol < 0) {\n        bufferStr += this._terminal.buffer.translateBufferLineToString(\n          currentRow, false, 0, startCol + 1\n        );\n        currentCol = this._terminal.cols - 1;\n        startCol = currentCol;\n        currentRow--;\n      }\n    }\n\n    return bufferStr + this._terminal.buffer.translateBufferLineToString(\n      currentRow, false, startCol, currentCol\n    );\n  }\n\n  /**\n   * Constructs the escape sequence for clicking an arrow\n   * @param direction The direction to move\n   */\n  private _sequence(direction: Direction): string {\n    const mod = this._terminal.applicationCursor ? 'O' : '[';\n    return C0.ESC + mod + direction;\n  }\n}\n\n/**\n * Returns a string repeated a given number of times\n * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat\n * @param count The number of times to repeat the string\n * @param string The string that is to be repeated\n */\nfunction repeat(count: number, str: string): string {\n  count = Math.floor(count);\n  let rpt = '';\n  for (let i = 0; i < count; i++) {\n    rpt += str;\n  }\n  return rpt;\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IKeyboardEvent } from '../../common/Types';\nimport { IKeyboardResult, KeyboardResultType } from '../Types';\nimport { C0 } from '../../common/data/EscapeSequences';\n\n// reg + shift key mappings for digits and special chars\nconst KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {\n  // digits 0-9\n  48: ['0', ')'],\n  49: ['1', '!'],\n  50: ['2', '@'],\n  51: ['3', '#'],\n  52: ['4', '$'],\n  53: ['5', '%'],\n  54: ['6', '^'],\n  55: ['7', '&'],\n  56: ['8', '*'],\n  57: ['9', '('],\n\n  // special chars\n  186: [';', ':'],\n  187: ['=', '+'],\n  188: [',', '<'],\n  189: ['-', '_'],\n  190: ['.', '>'],\n  191: ['/', '?'],\n  192: ['`', '~'],\n  219: ['[', '{'],\n  220: ['\\\\', '|'],\n  221: [']', '}'],\n  222: ['\\'', '\"']\n};\n\nexport function evaluateKeyboardEvent(\n  ev: IKeyboardEvent,\n  applicationCursorMode: boolean,\n  isMac: boolean,\n  macOptionIsMeta: boolean\n): IKeyboardResult {\n  const result: IKeyboardResult = {\n    type: KeyboardResultType.SEND_KEY,\n    // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n    // canceled at the end of keyDown\n    cancel: false,\n    // The new key even to emit\n    key: undefined\n  };\n  const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);\n  switch (ev.keyCode) {\n    case 0:\n      if (ev.key === 'UIKeyInputUpArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OA';\n        } else {\n          result.key = C0.ESC + '[A';\n        }\n      }\n      else if (ev.key === 'UIKeyInputLeftArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OD';\n        } else {\n          result.key = C0.ESC + '[D';\n        }\n      }\n      else if (ev.key === 'UIKeyInputRightArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OC';\n        } else {\n          result.key = C0.ESC + '[C';\n        }\n      }\n      else if (ev.key === 'UIKeyInputDownArrow') {\n        if (applicationCursorMode) {\n          result.key = C0.ESC + 'OB';\n        } else {\n          result.key = C0.ESC + '[B';\n        }\n      }\n      break;\n    case 8:\n      // backspace\n      if (ev.shiftKey) {\n        result.key = C0.BS; // ^H\n        break;\n      } else if (ev.altKey) {\n        result.key = C0.ESC + C0.DEL; // \\e ^?\n        break;\n      }\n      result.key = C0.DEL; // ^?\n      break;\n    case 9:\n      // tab\n      if (ev.shiftKey) {\n        result.key = C0.ESC + '[Z';\n        break;\n      }\n      result.key = C0.HT;\n      result.cancel = true;\n      break;\n    case 13:\n      // return/enter\n      result.key = C0.CR;\n      result.cancel = true;\n      break;\n    case 27:\n      // escape\n      result.key = C0.ESC;\n      result.cancel = true;\n      break;\n    case 37:\n      // left-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3D') {\n          result.key = isMac ? C0.ESC + 'b' : C0.ESC + '[1;5D';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OD';\n      } else {\n        result.key = C0.ESC + '[D';\n      }\n      break;\n    case 39:\n      // right-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key === C0.ESC + '[1;3C') {\n          result.key = isMac ? C0.ESC + 'f' : C0.ESC + '[1;5C';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OC';\n      } else {\n        result.key = C0.ESC + '[C';\n      }\n      break;\n    case 38:\n      // up-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key === C0.ESC + '[1;3A') {\n          result.key = C0.ESC + '[1;5A';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OA';\n      } else {\n        result.key = C0.ESC + '[A';\n      }\n      break;\n    case 40:\n      // down-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key === C0.ESC + '[1;3B') {\n          result.key = C0.ESC + '[1;5B';\n        }\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OB';\n      } else {\n        result.key = C0.ESC + '[B';\n      }\n      break;\n    case 45:\n      // insert\n      if (!ev.shiftKey && !ev.ctrlKey) {\n        // <Ctrl> or <Shift> + <Insert> are used to\n        // copy-paste on some systems.\n        result.key = C0.ESC + '[2~';\n      }\n      break;\n    case 46:\n      // delete\n      if (modifiers) {\n        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[3~';\n      }\n      break;\n    case 36:\n      // home\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OH';\n      } else {\n        result.key = C0.ESC + '[H';\n      }\n      break;\n    case 35:\n      // end\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n      } else if (applicationCursorMode) {\n        result.key = C0.ESC + 'OF';\n      } else {\n        result.key = C0.ESC + '[F';\n      }\n      break;\n    case 33:\n      // page up\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_UP;\n      } else {\n        result.key = C0.ESC + '[5~';\n      }\n      break;\n    case 34:\n      // page down\n      if (ev.shiftKey) {\n        result.type = KeyboardResultType.PAGE_DOWN;\n      } else {\n        result.key = C0.ESC + '[6~';\n      }\n      break;\n    case 112:\n      // F1-F12\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n      } else {\n        result.key = C0.ESC + 'OP';\n      }\n      break;\n    case 113:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n      } else {\n        result.key = C0.ESC + 'OQ';\n      }\n      break;\n    case 114:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n      } else {\n        result.key = C0.ESC + 'OR';\n      }\n      break;\n    case 115:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n      } else {\n        result.key = C0.ESC + 'OS';\n      }\n      break;\n    case 116:\n      if (modifiers) {\n        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[15~';\n      }\n      break;\n    case 117:\n      if (modifiers) {\n        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[17~';\n      }\n      break;\n    case 118:\n      if (modifiers) {\n        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[18~';\n      }\n      break;\n    case 119:\n      if (modifiers) {\n        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[19~';\n      }\n      break;\n    case 120:\n      if (modifiers) {\n        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[20~';\n      }\n      break;\n    case 121:\n      if (modifiers) {\n        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[21~';\n      }\n      break;\n    case 122:\n      if (modifiers) {\n        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[23~';\n      }\n      break;\n    case 123:\n      if (modifiers) {\n        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[24~';\n      }\n      break;\n    default:\n      // a-z and space\n      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = String.fromCharCode(ev.keyCode - 64);\n        } else if (ev.keyCode === 32) {\n          // NUL\n          result.key = String.fromCharCode(0);\n        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n          // escape, file sep, group sep, record sep, unit sep\n          result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n        } else if (ev.keyCode === 56) {\n          // delete\n          result.key = String.fromCharCode(127);\n        } else if (ev.keyCode === 219) {\n          // ^[ - Control Sequence Introducer (CSI)\n          result.key = String.fromCharCode(27);\n        } else if (ev.keyCode === 220) {\n          // ^\\ - String Terminator (ST)\n          result.key = String.fromCharCode(28);\n        } else if (ev.keyCode === 221) {\n          // ^] - Operating System Command (OSC)\n          result.key = String.fromCharCode(29);\n        }\n      } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {\n        // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.\n        const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];\n        const key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];\n        if (key) {\n          result.key = C0.ESC + key;\n        } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;\n          result.key = C0.ESC + String.fromCharCode(keyCode);\n        }\n      } else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n        if (ev.keyCode === 65) { // cmd + a\n          result.type = KeyboardResultType.SELECT_ALL;\n        }\n      }\n      break;\n  }\n\n  return result;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharset } from '../Types';\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: { [key: string]: ICharset } = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET: ICharset = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n  '`': '\\u25c6', // '鈼�'\n  'a': '\\u2592', // '鈻�'\n  'b': '\\u0009', // '\\t'\n  'c': '\\u000c', // '\\f'\n  'd': '\\u000d', // '\\r'\n  'e': '\\u000a', // '\\n'\n  'f': '\\u00b0', // '掳'\n  'g': '\\u00b1', // '卤'\n  'h': '\\u2424', // '\\u2424' (NL)\n  'i': '\\u000b', // '\\v'\n  'j': '\\u2518', // '鈹�'\n  'k': '\\u2510', // '鈹�'\n  'l': '\\u250c', // '鈹�'\n  'm': '\\u2514', // '鈹�'\n  'n': '\\u253c', // '鈹�'\n  'o': '\\u23ba', // '鈳�'\n  'p': '\\u23bb', // '鈳�'\n  'q': '\\u2500', // '鈹�'\n  'r': '\\u23bc', // '鈳�'\n  's': '\\u23bd', // '鈳�'\n  't': '\\u251c', // '鈹�'\n  'u': '\\u2524', // '鈹�'\n  'v': '\\u2534', // '鈹�'\n  'w': '\\u252c', // '鈹�'\n  'x': '\\u2502', // '鈹�'\n  'y': '\\u2264', // '鈮�'\n  'z': '\\u2265', // '鈮�'\n  '{': '\\u03c0', // '蟺'\n  '|': '\\u2260', // '鈮�'\n  '}': '\\u00a3', // '拢'\n  '~': '\\u00b7'  // '路'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n  '#': '拢'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n  '#': '拢',\n  '@': '戮',\n  '[': 'ij',\n  '\\\\': '陆',\n  ']': '|',\n  '{': '篓',\n  '|': 'f',\n  '}': '录',\n  '~': '麓'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n  '[': '脛',\n  '\\\\': '脰',\n  ']': '脜',\n  '^': '脺',\n  '`': '茅',\n  '{': '盲',\n  '|': '枚',\n  '}': '氓',\n  '~': '眉'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n  '#': '拢',\n  '@': '脿',\n  '[': '掳',\n  '\\\\': '莽',\n  ']': '搂',\n  '{': '茅',\n  '|': '霉',\n  '}': '猫',\n  '~': '篓'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n  '@': '脿',\n  '[': '芒',\n  '\\\\': '莽',\n  ']': '锚',\n  '^': '卯',\n  '`': '么',\n  '{': '茅',\n  '|': '霉',\n  '}': '猫',\n  '~': '没'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n  '@': '搂',\n  '[': '脛',\n  '\\\\': '脰',\n  ']': '脺',\n  '{': '盲',\n  '|': '枚',\n  '}': '眉',\n  '~': '脽'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n  '#': '拢',\n  '@': '搂',\n  '[': '掳',\n  '\\\\': '莽',\n  ']': '茅',\n  '`': '霉',\n  '{': '脿',\n  '|': '貌',\n  '}': '猫',\n  '~': '矛'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n  '@': '脛',\n  '[': '脝',\n  '\\\\': '脴',\n  ']': '脜',\n  '^': '脺',\n  '`': '盲',\n  '{': '忙',\n  '|': '酶',\n  '}': '氓',\n  '~': '眉'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n  '#': '拢',\n  '@': '搂',\n  '[': '隆',\n  '\\\\': '脩',\n  ']': '驴',\n  '{': '掳',\n  '|': '帽',\n  '}': '莽'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n  '@': '脡',\n  '[': '脛',\n  '\\\\': '脰',\n  ']': '脜',\n  '^': '脺',\n  '`': '茅',\n  '{': '盲',\n  '|': '枚',\n  '}': '氓',\n  '~': '眉'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n  '#': '霉',\n  '@': '脿',\n  '[': '茅',\n  '\\\\': '莽',\n  ']': '锚',\n  '^': '卯',\n  '_': '猫',\n  '`': '么',\n  '{': '盲',\n  '|': '枚',\n  '}': '眉',\n  '~': '没'\n};\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n  /** Null (Caret = ^@, C = \\0) */\n  export const NUL = '\\x00';\n  /** Start of Heading (Caret = ^A) */\n  export const SOH = '\\x01';\n  /** Start of Text (Caret = ^B) */\n  export const STX = '\\x02';\n  /** End of Text (Caret = ^C) */\n  export const ETX = '\\x03';\n  /** End of Transmission (Caret = ^D) */\n  export const EOT = '\\x04';\n  /** Enquiry (Caret = ^E) */\n  export const ENQ = '\\x05';\n  /** Acknowledge (Caret = ^F) */\n  export const ACK = '\\x06';\n  /** Bell (Caret = ^G, C = \\a) */\n  export const BEL = '\\x07';\n  /** Backspace (Caret = ^H, C = \\b) */\n  export const BS  = '\\x08';\n  /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n  export const HT  = '\\x09';\n  /** Line Feed (Caret = ^J, C = \\n) */\n  export const LF  = '\\x0a';\n  /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n  export const VT  = '\\x0b';\n  /** Form Feed (Caret = ^L, C = \\f) */\n  export const FF  = '\\x0c';\n  /** Carriage Return (Caret = ^M, C = \\r) */\n  export const CR  = '\\x0d';\n  /** Shift Out (Caret = ^N) */\n  export const SO  = '\\x0e';\n  /** Shift In (Caret = ^O) */\n  export const SI  = '\\x0f';\n  /** Data Link Escape (Caret = ^P) */\n  export const DLE = '\\x10';\n  /** Device Control One (XON) (Caret = ^Q) */\n  export const DC1 = '\\x11';\n  /** Device Control Two (Caret = ^R) */\n  export const DC2 = '\\x12';\n  /** Device Control Three (XOFF) (Caret = ^S) */\n  export const DC3 = '\\x13';\n  /** Device Control Four (Caret = ^T) */\n  export const DC4 = '\\x14';\n  /** Negative Acknowledge (Caret = ^U) */\n  export const NAK = '\\x15';\n  /** Synchronous Idle (Caret = ^V) */\n  export const SYN = '\\x16';\n  /** End of Transmission Block (Caret = ^W) */\n  export const ETB = '\\x17';\n  /** Cancel (Caret = ^X) */\n  export const CAN = '\\x18';\n  /** End of Medium (Caret = ^Y) */\n  export const EM  = '\\x19';\n  /** Substitute (Caret = ^Z) */\n  export const SUB = '\\x1a';\n  /** Escape (Caret = ^[, C = \\e) */\n  export const ESC = '\\x1b';\n  /** File Separator (Caret = ^\\) */\n  export const FS  = '\\x1c';\n  /** Group Separator (Caret = ^]) */\n  export const GS  = '\\x1d';\n  /** Record Separator (Caret = ^^) */\n  export const RS  = '\\x1e';\n  /** Unit Separator (Caret = ^_) */\n  export const US  = '\\x1f';\n  /** Space */\n  export const SP  = '\\x20';\n  /** Delete (Caret = ^?) */\n  export const DEL = '\\x7f';\n}\n\n/**\n * C1 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C1 {\n  /** padding character */\n  export const PAD = '\\x80';\n  /** High Octet Preset */\n  export const HOP = '\\x81';\n  /** Break Permitted Here */\n  export const BPH = '\\x82';\n  /** No Break Here */\n  export const NBH = '\\x83';\n  /** Index */\n  export const IND = '\\x84';\n  /** Next Line */\n  export const NEL = '\\x85';\n  /** Start of Selected Area */\n  export const SSA = '\\x86';\n  /** End of Selected Area */\n  export const ESA = '\\x87';\n  /** Horizontal Tabulation Set */\n  export const HTS = '\\x88';\n  /** Horizontal Tabulation With Justification */\n  export const HTJ = '\\x89';\n  /** Vertical Tabulation Set */\n  export const VTS = '\\x8a';\n  /** Partial Line Down */\n  export const PLD = '\\x8b';\n  /** Partial Line Up */\n  export const PLU = '\\x8c';\n  /** Reverse Index */\n  export const RI = '\\x8d';\n  /** Single-Shift 2 */\n  export const SS2 = '\\x8e';\n  /** Single-Shift 3 */\n  export const SS3 = '\\x8f';\n  /** Device Control String */\n  export const DCS = '\\x90';\n  /** Private Use 1 */\n  export const PU1 = '\\x91';\n  /** Private Use 2 */\n  export const PU2 = '\\x92';\n  /** Set Transmit State */\n  export const STS = '\\x93';\n  /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */\n  export const CCH = '\\x94';\n  /** Message Waiting */\n  export const MW = '\\x95';\n  /** Start of Protected Area */\n  export const SPA = '\\x96';\n  /** End of Protected Area */\n  export const EPA = '\\x97';\n  /** Start of String */\n  export const SOS = '\\x98';\n  /** Single Graphic Character Introducer */\n  export const SGCI = '\\x99';\n  /** Single Character Introducer */\n  export const SCI = '\\x9a';\n  /** Control Sequence Introducer */\n  export const CSI = '\\x9b';\n  /** String Terminator */\n  export const ST = '\\x9c';\n  /** Operating System Command */\n  export const OSC = '\\x9d';\n  /** Privacy Message */\n  export const PM = '\\x9e';\n  /** Application Program Command */\n  export const APC = '\\x9f';\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'xterm';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n  protected _disposables: IDisposable[] = [];\n  protected _isDisposed: boolean = false;\n\n  constructor() {\n  }\n\n  /**\n   * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n   */\n  public dispose(): void {\n    this._isDisposed = true;\n    this._disposables.forEach(d => d.dispose());\n    this._disposables.length = 0;\n  }\n\n  /**\n   * Registers a disposable object.\n   * @param d The disposable to register.\n   */\n  public register<T extends IDisposable>(d: T): void {\n    this._disposables.push(d);\n  }\n\n  /**\n   * Unregisters a disposable object if it has been registered, if not do\n   * nothing.\n   * @param d The disposable to unregister.\n   */\n  public unregister<T extends IDisposable>(d: T): void {\n    const index = this._disposables.indexOf(d);\n    if (index !== -1) {\n      this._disposables.splice(index, 1);\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { XtermListener } from './Types';\nimport { IEventEmitter, IDisposable } from 'xterm';\nimport { Disposable } from './Lifecycle';\n\nexport class EventEmitter extends Disposable implements IEventEmitter, IDisposable {\n  private _events: {[type: string]: XtermListener[]};\n\n  constructor() {\n    super();\n    // Restore the previous events if available, this will happen if the\n    // constructor is called multiple times on the same object (terminal reset).\n    this._events = this._events || {};\n  }\n\n  public on(type: string, listener: XtermListener): void {\n    this._events[type] = this._events[type] || [];\n    this._events[type].push(listener);\n  }\n\n  /**\n   * Adds a disposabe listener to the EventEmitter, returning the disposable.\n   * @param type The event type.\n   * @param handler The handler for the listener.\n   */\n  public addDisposableListener(type: string, handler: XtermListener): IDisposable {\n    // TODO: Rename addDisposableEventListener to more easily disambiguate from Dom listener\n    this.on(type, handler);\n    let disposed = false;\n    return {\n      dispose: () => {\n        if (disposed) {\n          // Already disposed\n          return;\n        }\n        this.off(type, handler);\n        disposed = true;\n      }\n    };\n  }\n\n  public off(type: string, listener: XtermListener): void {\n    if (!this._events[type]) {\n      return;\n    }\n\n    const obj = this._events[type];\n    let i = obj.length;\n\n    while (i--) {\n      if (obj[i] === listener) {\n        obj.splice(i, 1);\n        return;\n      }\n    }\n  }\n\n  public removeAllListeners(type: string): void {\n    if (this._events[type]) {\n       delete this._events[type];\n    }\n  }\n\n  public emit(type: string, ...args: any[]): void {\n    if (!this._events[type]) {\n      return;\n    }\n    const obj = this._events[type];\n    for (let i = 0; i < obj.length; i++) {\n      obj[i].apply(this, args);\n    }\n  }\n\n  public listeners(type: string): XtermListener[] {\n    return this._events[type] || [];\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._events = {};\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter } from './EventEmitter';\nimport { ICircularList } from './Types';\n\n/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n */\nexport class CircularList<T> extends EventEmitter implements ICircularList<T> {\n  protected _array: (T | undefined)[];\n  private _startIndex: number;\n  private _length: number;\n\n  constructor(\n    private _maxLength: number\n  ) {\n    super();\n    this._array = new Array<T>(this._maxLength);\n    this._startIndex = 0;\n    this._length = 0;\n  }\n\n  public get maxLength(): number {\n    return this._maxLength;\n  }\n\n  public set maxLength(newMaxLength: number) {\n    // There was no change in maxLength, return early.\n    if (this._maxLength === newMaxLength) {\n      return;\n    }\n\n    // Reconstruct array, starting at index 0. Only transfer values from the\n    // indexes 0 to length.\n    const newArray = new Array<T | undefined>(newMaxLength);\n    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n      newArray[i] = this._array[this._getCyclicIndex(i)];\n    }\n    this._array = newArray;\n    this._maxLength = newMaxLength;\n    this._startIndex = 0;\n  }\n\n  public get length(): number {\n    return this._length;\n  }\n\n  public set length(newLength: number) {\n    if (newLength > this._length) {\n      for (let i = this._length; i < newLength; i++) {\n        this._array[i] = undefined;\n      }\n    }\n    this._length = newLength;\n  }\n\n  /**\n   * Gets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index of the value to get.\n   * @return The value corresponding to the index.\n   */\n  public get(index: number): T | undefined {\n    return this._array[this._getCyclicIndex(index)];\n  }\n\n  /**\n   * Sets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index to set.\n   * @param value The value to set.\n   */\n  public set(index: number, value: T | undefined): void {\n    this._array[this._getCyclicIndex(index)] = value;\n  }\n\n  /**\n   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n   * if the maximum length is reached.\n   * @param value The value to push onto the list.\n   */\n  public push(value: T): void {\n    this._array[this._getCyclicIndex(this._length)] = value;\n    if (this._length === this._maxLength) {\n      this._startIndex++;\n      if (this._startIndex === this._maxLength) {\n        this._startIndex = 0;\n      }\n      this.emit('trim', 1);\n    } else {\n      this._length++;\n    }\n  }\n\n  /**\n   * Removes and returns the last value on the list.\n   * @return The popped value.\n   */\n  public pop(): T | undefined {\n    return this._array[this._getCyclicIndex(this._length-- - 1)];\n  }\n\n  /**\n   * Deletes and/or inserts items at a particular index (in that order). Unlike\n   * Array.prototype.splice, this operation does not return the deleted items as a new array in\n   * order to save creating a new array. Note that this operation may shift all values in the list\n   * in the worst case.\n   * @param start The index to delete and/or insert.\n   * @param deleteCount The number of elements to delete.\n   * @param items The items to insert.\n   */\n  public splice(start: number, deleteCount: number, ...items: T[]): void {\n    // Delete items\n    if (deleteCount) {\n      for (let i = start; i < this._length - deleteCount; i++) {\n        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n      }\n      this._length -= deleteCount;\n    }\n\n    if (items && items.length) {\n      // Add items\n      for (let i = this._length - 1; i >= start; i--) {\n        this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n      }\n      for (let i = 0; i < items.length; i++) {\n        this._array[this._getCyclicIndex(start + i)] = items[i];\n      }\n\n      // Adjust length as needed\n      if (this._length + items.length > this.maxLength) {\n        const countToTrim = (this._length + items.length) - this.maxLength;\n        this._startIndex += countToTrim;\n        this._length = this.maxLength;\n        this.emit('trim', countToTrim);\n      } else {\n        this._length += items.length;\n      }\n    }\n  }\n\n  /**\n   * Trims a number of items from the start of the list.\n   * @param count The number of items to remove.\n   */\n  public trimStart(count: number): void {\n    if (count > this._length) {\n      count = this._length;\n    }\n    this._startIndex += count;\n    this._length -= count;\n    this.emit('trim', count);\n  }\n\n  public shiftElements(start: number, count: number, offset: number): void {\n    if (count <= 0) {\n      return;\n    }\n    if (start < 0 || start >= this._length) {\n      throw new Error('start argument out of range');\n    }\n    if (start + offset < 0) {\n      throw new Error('Cannot shift elements in list beyond index 0');\n    }\n\n    if (offset > 0) {\n      for (let i = count - 1; i >= 0; i--) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n      const expandListBy = (start + count + offset) - this._length;\n      if (expandListBy > 0) {\n        this._length += expandListBy;\n        while (this._length > this.maxLength) {\n          this._length--;\n          this._startIndex++;\n          this.emit('trim', 1);\n        }\n      }\n    } else {\n      for (let i = 0; i < count; i++) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n    }\n  }\n\n  /**\n   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n   * backing array to get the element associated with the regular index.\n   * @param index The regular index.\n   * @returns The cyclic index.\n   */\n  private _getCyclicIndex(index: number): number {\n    return (this._startIndex + index) % this.maxLength;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorSet } from './renderer/Types';\nimport { ITerminal, IViewport } from './Types';\nimport { CharMeasure } from './ui/CharMeasure';\nimport { Disposable } from './common/Lifecycle';\nimport { addDisposableDomListener } from './ui/Lifecycle';\n\nconst FALLBACK_SCROLL_BAR_WIDTH = 15;\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport extends Disposable implements IViewport {\n  public scrollBarWidth: number = 0;\n  private _currentRowHeight: number = 0;\n  private _lastRecordedBufferLength: number = 0;\n  private _lastRecordedViewportHeight: number = 0;\n  private _lastRecordedBufferHeight: number = 0;\n  private _lastTouchY: number;\n  private _lastScrollTop: number = 0;\n\n  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line\n  // is scrolled so we can \"scroll\" over partial lines and feel natural on touchpads. This is a\n  // quick fix and could have a more robust solution in place that reset the value when needed.\n  private _wheelPartialScroll: number = 0;\n\n  private _refreshAnimationFrame: number | null = null;\n  private _ignoreNextScrollEvent: boolean = false;\n\n  /**\n   * Creates a new Viewport.\n   * @param _terminal The terminal this viewport belongs to.\n   * @param _viewportElement The DOM element acting as the viewport.\n   * @param _scrollArea The DOM element acting as the scroll area.\n   * @param _charMeasure A DOM element used to measure the character size of. the terminal.\n   */\n  constructor(\n    private _terminal: ITerminal,\n    private _viewportElement: HTMLElement,\n    private _scrollArea: HTMLElement,\n    private _charMeasure: CharMeasure\n  ) {\n    super();\n\n    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.\n    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that case,\n    // therefore we account for a standard amount to make it visible\n    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._onScroll.bind(this)));\n\n    // Perform this async to ensure the CharMeasure is ready.\n    setTimeout(() => this.syncScrollArea(), 0);\n  }\n\n  public onThemeChanged(colors: IColorSet): void {\n    this._viewportElement.style.backgroundColor = colors.background.css;\n  }\n\n  /**\n   * Refreshes row height, setting line-height, viewport height and scroll area height if\n   * necessary.\n   */\n  private _refresh(): void {\n    if (this._refreshAnimationFrame === null) {\n      this._refreshAnimationFrame = requestAnimationFrame(() => this._innerRefresh());\n    }\n  }\n\n  private _innerRefresh(): void {\n    if (this._charMeasure.height > 0) {\n      this._currentRowHeight = this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio;\n      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;\n      const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._terminal.renderer.dimensions.canvasHeight);\n      if (this._lastRecordedBufferHeight !== newBufferHeight) {\n        this._lastRecordedBufferHeight = newBufferHeight;\n        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';\n      }\n    }\n\n    // Sync scrollTop\n    const scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;\n    if (this._viewportElement.scrollTop !== scrollTop) {\n      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not\n      // want this event to scroll the terminal\n      this._ignoreNextScrollEvent = true;\n      this._viewportElement.scrollTop = scrollTop;\n    }\n\n    this._refreshAnimationFrame = null;\n  }\n\n  /**\n   * Updates dimensions and synchronizes the scroll area if necessary.\n   */\n  public syncScrollArea(): void {\n    // If buffer height changed\n    if (this._lastRecordedBufferLength !== this._terminal.buffer.lines.length) {\n      this._lastRecordedBufferLength = this._terminal.buffer.lines.length;\n      this._refresh();\n      return;\n    }\n\n    // If viewport height changed\n    if (this._lastRecordedViewportHeight !== (<any>this._terminal).renderer.dimensions.canvasHeight) {\n      this._refresh();\n      return;\n    }\n\n    // If the buffer position doesn't match last scroll top\n    const newScrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;\n    if (this._lastScrollTop !== newScrollTop) {\n      this._refresh();\n      return;\n    }\n\n    // If element's scroll top changed, this can happen when hiding the element\n    if (this._lastScrollTop !== this._viewportElement.scrollTop) {\n      this._refresh();\n      return;\n    }\n\n    // If row height changed\n    if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {\n      this._refresh();\n      return;\n    }\n  }\n\n  /**\n   * Handles scroll events on the viewport, calculating the new viewport and requesting the\n   * terminal to scroll to it.\n   * @param ev The scroll event.\n   */\n  private _onScroll(ev: Event): void {\n    // Record current scroll top position\n    this._lastScrollTop = this._viewportElement.scrollTop;\n\n    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt\n    // which causes the terminal to scroll the buffer to the top\n    if (!this._viewportElement.offsetParent) {\n      return;\n    }\n\n    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)\n    if (this._ignoreNextScrollEvent) {\n      this._ignoreNextScrollEvent = false;\n      return;\n    }\n\n    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);\n    const diff = newRow - this._terminal.buffer.ydisp;\n    this._terminal.scrollLines(diff, true);\n  }\n\n  /**\n   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n   * `Viewport`.\n   * @param ev The mouse wheel event.\n   */\n  public onWheel(ev: WheelEvent): void {\n    const amount = this._getPixelsScrolled(ev);\n    if (amount === 0) {\n      return;\n    }\n    this._viewportElement.scrollTop += amount;\n    // Prevent the page from scrolling when the terminal scrolls\n    ev.preventDefault();\n  }\n\n  private _getPixelsScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_PIXEL\n    let amount = ev.deltaY;\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n      amount *= this._currentRowHeight;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._currentRowHeight * this._terminal.rows;\n    }\n    return amount;\n  }\n\n  /**\n   * Gets the number of pixels scrolled by the mouse event taking into account what type of delta\n   * is being used.\n   * @param ev The mouse wheel event.\n   */\n  public getLinesScrolled(ev: WheelEvent): number {\n    // Do nothing if it's not a vertical scroll event\n    if (ev.deltaY === 0) {\n      return 0;\n    }\n\n    // Fallback to WheelEvent.DOM_DELTA_LINE\n    let amount = ev.deltaY;\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n      amount /= this._currentRowHeight + 0.0; // Prevent integer division\n      this._wheelPartialScroll += amount;\n      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);\n      this._wheelPartialScroll %= 1;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      amount *= this._terminal.rows;\n    }\n    return amount;\n  }\n\n  /**\n   * Handles the touchstart event, recording the touch occurred.\n   * @param ev The touch event.\n   */\n  public onTouchStart(ev: TouchEvent): void {\n    this._lastTouchY = ev.touches[0].pageY;\n  }\n\n  /**\n   * Handles the touchmove event, scrolling the viewport if the position shifted.\n   * @param ev The touch event.\n   */\n  public onTouchMove(ev: TouchEvent): void {\n    const deltaY = this._lastTouchY - ev.touches[0].pageY;\n    this._lastTouchY = ev.touches[0].pageY;\n    if (deltaY === 0) {\n      return;\n    }\n    this._viewportElement.scrollTop += deltaY;\n    ev.preventDefault();\n  }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n *\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\nimport { IInputHandlingTerminal, IViewport, ICompositionHelper, ITerminalOptions, ITerminal, IBrowser, ILinkifier, ILinkMatcherOptions, CustomKeyEventHandler, LinkMatcherHandler, CharData, CharacterJoinerHandler } from './Types';\nimport { IMouseZoneManager } from './ui/Types';\nimport { IRenderer } from './renderer/Types';\nimport { BufferSet } from './BufferSet';\nimport { Buffer, MAX_BUFFER_SIZE, DEFAULT_ATTR, NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR } from './Buffer';\nimport { CompositionHelper } from './CompositionHelper';\nimport { EventEmitter } from './common/EventEmitter';\nimport { Viewport } from './Viewport';\nimport { rightClickHandler, moveTextAreaUnderMouseCursor, pasteHandler, copyHandler } from './handlers/Clipboard';\nimport { C0 } from './common/data/EscapeSequences';\nimport { InputHandler } from './InputHandler';\nimport { Renderer } from './renderer/Renderer';\nimport { Linkifier } from './Linkifier';\nimport { SelectionManager } from './SelectionManager';\nimport { CharMeasure } from './ui/CharMeasure';\nimport * as Browser from './shared/utils/Browser';\nimport { addDisposableDomListener } from './ui/Lifecycle';\nimport * as Strings from './Strings';\nimport { MouseHelper } from './utils/MouseHelper';\nimport { clone } from './utils/Clone';\nimport { DEFAULT_BELL_SOUND, SoundManager } from './SoundManager';\nimport { DEFAULT_ANSI_COLORS } from './renderer/ColorManager';\nimport { MouseZoneManager } from './ui/MouseZoneManager';\nimport { AccessibilityManager } from './AccessibilityManager';\nimport { ScreenDprMonitor } from './ui/ScreenDprMonitor';\nimport { ITheme, IMarker, IDisposable } from 'xterm';\nimport { removeTerminalFromCache } from './renderer/atlas/CharAtlasCache';\nimport { DomRenderer } from './renderer/dom/DomRenderer';\nimport { IKeyboardEvent } from './common/Types';\nimport { evaluateKeyboardEvent } from './core/input/Keyboard';\nimport { KeyboardResultType, ICharset } from './core/Types';\nimport { BufferLine } from './BufferLine';\n\n// Let it work inside Node.js for automated testing purposes.\nconst document = (typeof window !== 'undefined') ? window.document : null;\n\n/**\n * The amount of write requests to queue before sending an XOFF signal to the\n * pty process. This number must be small in order for ^C and similar sequences\n * to be responsive.\n */\nconst WRITE_BUFFER_PAUSE_THRESHOLD = 5;\n\n/**\n * The number of writes to perform in a single batch before allowing the\n * renderer to catch up with a 0ms setTimeout.\n */\nconst WRITE_BATCH_SIZE = 300;\n\n/**\n * The set of options that only have an effect when set in the Terminal constructor.\n */\nconst CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];\n\nconst DEFAULT_OPTIONS: ITerminalOptions = {\n  cols: 80,\n  rows: 24,\n  convertEol: false,\n  termName: 'xterm',\n  cursorBlink: false,\n  cursorStyle: 'block',\n  bellSound: DEFAULT_BELL_SOUND,\n  bellStyle: 'none',\n  drawBoldTextInBrightColors: true,\n  enableBold: true,\n  experimentalCharAtlas: 'static',\n  fontFamily: 'courier-new, courier, monospace',\n  fontSize: 15,\n  fontWeight: 'normal',\n  fontWeightBold: 'bold',\n  lineHeight: 1.0,\n  letterSpacing: 0,\n  scrollback: 1000,\n  screenKeys: false,\n  screenReaderMode: false,\n  debug: false,\n  macOptionIsMeta: false,\n  macOptionClickForcesSelection: false,\n  cancelEvents: false,\n  disableStdin: false,\n  useFlowControl: false,\n  allowTransparency: false,\n  tabStopWidth: 8,\n  theme: null,\n  rightClickSelectsWord: Browser.isMac,\n  rendererType: 'canvas'\n};\n\nexport class Terminal extends EventEmitter implements ITerminal, IDisposable, IInputHandlingTerminal {\n  public textarea: HTMLTextAreaElement;\n  public element: HTMLElement;\n  public screenElement: HTMLElement;\n\n  /**\n   * The HTMLElement that the terminal is created in, set by Terminal.open.\n   */\n  private _parent: HTMLElement;\n  private _context: Window;\n  private _document: Document;\n  private _viewportScrollArea: HTMLElement;\n  private _viewportElement: HTMLElement;\n  private _helperContainer: HTMLElement;\n  private _compositionView: HTMLElement;\n\n  private _visualBellTimer: number;\n\n  public browser: IBrowser = <any>Browser;\n\n  public options: ITerminalOptions;\n\n  // TODO: This can be changed to an enum or boolean, 0 and 1 seem to be the only options\n  public cursorState: number;\n  public cursorHidden: boolean;\n\n  private _customKeyEventHandler: CustomKeyEventHandler;\n\n  // modes\n  public applicationKeypad: boolean;\n  public applicationCursor: boolean;\n  public originMode: boolean;\n  public insertMode: boolean;\n  public wraparoundMode: boolean; // defaults: xterm - true, vt100 - false\n  public bracketedPasteMode: boolean;\n\n  // charset\n  // The current charset\n  public charset: ICharset;\n  public gcharset: number;\n  public glevel: number;\n  public charsets: ICharset[];\n\n  // mouse properties\n  private _decLocator: boolean; // This is unstable and never set\n  public x10Mouse: boolean;\n  public vt200Mouse: boolean;\n  private _vt300Mouse: boolean; // This is unstable and never set\n  public normalMouse: boolean;\n  public mouseEvents: boolean;\n  public sendFocus: boolean;\n  public utfMouse: boolean;\n  public sgrMouse: boolean;\n  public urxvtMouse: boolean;\n\n  // misc\n  private _refreshStart: number;\n  private _refreshEnd: number;\n  public savedCols: number;\n\n  public curAttr: number;\n  public savedCurAttr: number;\n\n  public params: (string | number)[];\n  public currentParam: string | number;\n\n  // user input states\n  public writeBuffer: string[];\n  private _writeInProgress: boolean;\n\n  /**\n   * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.\n   * This is a distinct state from writeStopped so that if the user requested\n   * XOFF via ^S that it will not automatically resume when the writeBuffer goes\n   * below threshold.\n   */\n  private _xoffSentToCatchUp: boolean;\n\n  /** Whether writing has been stopped as a result of XOFF */\n  // private _writeStopped: boolean;\n\n  // Store if user went browsing history in scrollback\n  private _userScrolling: boolean;\n\n  private _inputHandler: InputHandler;\n  public soundManager: SoundManager;\n  public renderer: IRenderer;\n  public selectionManager: SelectionManager;\n  public linkifier: ILinkifier;\n  public buffers: BufferSet;\n  public viewport: IViewport;\n  private _compositionHelper: ICompositionHelper;\n  public charMeasure: CharMeasure;\n  private _mouseZoneManager: IMouseZoneManager;\n  public mouseHelper: MouseHelper;\n  private _accessibilityManager: AccessibilityManager;\n  private _screenDprMonitor: ScreenDprMonitor;\n  private _theme: ITheme;\n\n  public cols: number;\n  public rows: number;\n\n  /**\n   * Creates a new `Terminal` object.\n   *\n   * @param options An object containing a set of options, the available options are:\n   *   - `cursorBlink` (boolean): Whether the terminal cursor blinks\n   *   - `cols` (number): The number of columns of the terminal (horizontal size)\n   *   - `rows` (number): The number of rows of the terminal (vertical size)\n   *\n   * @public\n   * @class Xterm Xterm\n   * @alias module:xterm/src/xterm\n   */\n  constructor(\n    options: ITerminalOptions = {}\n  ) {\n    super();\n    this.options = clone(options);\n    this._setup();\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._customKeyEventHandler = null;\n    removeTerminalFromCache(this);\n    this.handler = () => {};\n    this.write = () => {};\n    if (this.element && this.element.parentNode) {\n      this.element.parentNode.removeChild(this.element);\n    }\n  }\n\n  /**\n   * @deprecated Use dispose instead.\n   */\n  public destroy(): void {\n    this.dispose();\n  }\n\n  private _setup(): void {\n    Object.keys(DEFAULT_OPTIONS).forEach((key) => {\n      if (this.options[key] === null || this.options[key] === undefined) {\n        this.options[key] = DEFAULT_OPTIONS[key];\n      }\n    });\n\n    // this.context = options.context || window;\n    // this.document = options.document || document;\n    // TODO: WHy not document.body?\n    this._parent = document ? document.body : null;\n\n    this.cols = this.options.cols;\n    this.rows = this.options.rows;\n\n    if (this.options.handler) {\n      this.on('data', this.options.handler);\n    }\n\n    this.cursorState = 0;\n    this.cursorHidden = false;\n    this._customKeyEventHandler = null;\n\n    // modes\n    this.applicationKeypad = false;\n    this.applicationCursor = false;\n    this.originMode = false;\n    this.insertMode = false;\n    this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n    this.bracketedPasteMode = false;\n\n    // charset\n    this.charset = null;\n    this.gcharset = null;\n    this.glevel = 0;\n    // TODO: Can this be just []?\n    this.charsets = [null];\n\n    this.curAttr = DEFAULT_ATTR;\n\n    this.params = [];\n    this.currentParam = 0;\n\n    // user input states\n    this.writeBuffer = [];\n    this._writeInProgress = false;\n\n    this._xoffSentToCatchUp = false;\n    // this._writeStopped = false;\n    this._userScrolling = false;\n\n    this._inputHandler = new InputHandler(this);\n    this.register(this._inputHandler);\n    // Reuse renderer if the Terminal is being recreated via a reset call.\n    this.renderer = this.renderer || null;\n    this.selectionManager = this.selectionManager || null;\n    this.linkifier = this.linkifier || new Linkifier(this);\n    this._mouseZoneManager = this._mouseZoneManager || null;\n    this.soundManager = this.soundManager || new SoundManager(this);\n\n    // Create the terminal's buffers and set the current buffer\n    this.buffers = new BufferSet(this);\n    if (this.selectionManager) {\n      this.selectionManager.clearSelection();\n      this.selectionManager.initBuffersListeners();\n    }\n  }\n\n  /**\n   * Convenience property to active buffer.\n   */\n  public get buffer(): Buffer {\n    return this.buffers.active;\n  }\n\n  /**\n   * back_color_erase feature for xterm.\n   */\n  public eraseAttr(): number {\n    // if (this.is('screen')) return DEFAULT_ATTR;\n    return (DEFAULT_ATTR & ~0x1ff) | (this.curAttr & 0x1ff);\n  }\n\n  /**\n   * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n   */\n  public focus(): void {\n    if (this.textarea) {\n      this.textarea.focus();\n    }\n  }\n\n  public get isFocused(): boolean {\n    return document.activeElement === this.textarea;\n  }\n\n  /**\n   * Retrieves an option's value from the terminal.\n   * @param key The option key.\n   */\n  public getOption(key: string): any {\n    if (!(key in DEFAULT_OPTIONS)) {\n      throw new Error('No option with key \"' + key + '\"');\n    }\n\n    return this.options[key];\n  }\n\n  /**\n   * Sets an option on the terminal.\n   * @param key The option key.\n   * @param value The option value.\n   */\n  public setOption(key: string, value: any): void {\n    if (!(key in DEFAULT_OPTIONS)) {\n      throw new Error('No option with key \"' + key + '\"');\n    }\n    if (CONSTRUCTOR_ONLY_OPTIONS.indexOf(key) !== -1) {\n      console.error(`Option \"${key}\" can only be set in the constructor`);\n    }\n    if (this.options[key] === value) {\n      return;\n    }\n    switch (key) {\n      case 'bellStyle':\n        if (!value) {\n          value = 'none';\n        }\n        break;\n      case 'cursorStyle':\n        if (!value) {\n          value = 'block';\n        }\n        break;\n      case 'fontWeight':\n        if (!value) {\n          value = 'normal';\n        }\n        break;\n      case 'fontWeightBold':\n        if (!value) {\n          value = 'bold';\n        }\n        break;\n      case 'lineHeight':\n        if (value < 1) {\n          console.warn(`${key} cannot be less than 1, value: ${value}`);\n          return;\n        }\n      case 'rendererType':\n        if (!value) {\n          value = 'canvas';\n        }\n        break;\n      case 'tabStopWidth':\n        if (value < 1) {\n          console.warn(`${key} cannot be less than 1, value: ${value}`);\n          return;\n        }\n        break;\n      case 'theme':\n        // If open has been called we do not want to set options.theme as the\n        // source of truth is owned by the renderer.\n        if (this.renderer) {\n          this._setTheme(<ITheme>value);\n          return;\n        }\n        break;\n      case 'scrollback':\n        value = Math.min(value, MAX_BUFFER_SIZE);\n\n        if (value < 0) {\n          console.warn(`${key} cannot be less than 0, value: ${value}`);\n          return;\n        }\n        if (this.options[key] !== value) {\n          const newBufferLength = this.rows + value;\n          if (this.buffer.lines.length > newBufferLength) {\n            const amountToTrim = this.buffer.lines.length - newBufferLength;\n            const needsRefresh = (this.buffer.ydisp - amountToTrim < 0);\n            this.buffer.lines.trimStart(amountToTrim);\n            this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);\n            this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);\n            if (needsRefresh) {\n              this.refresh(0, this.rows - 1);\n            }\n          }\n        }\n        break;\n    }\n    this.options[key] = value;\n    switch (key) {\n      case 'fontFamily':\n      case 'fontSize':\n        // When the font changes the size of the cells may change which requires a renderer clear\n        if (this.renderer) {\n          this.renderer.clear();\n          this.charMeasure.measure(this.options);\n        }\n        break;\n      case 'drawBoldTextInBrightColors':\n      case 'experimentalCharAtlas':\n      case 'enableBold':\n      case 'letterSpacing':\n      case 'lineHeight':\n      case 'fontWeight':\n      case 'fontWeightBold':\n        // When the font changes the size of the cells may change which requires a renderer clear\n        if (this.renderer) {\n          this.renderer.clear();\n          this.renderer.onResize(this.cols, this.rows);\n          this.refresh(0, this.rows - 1);\n        }\n      case 'rendererType':\n        if (this.renderer) {\n          this.unregister(this.renderer);\n          this.renderer.dispose();\n          this.renderer = null;\n        }\n        this._setupRenderer();\n        this.renderer.onCharSizeChanged();\n        if (this._theme) {\n          this.renderer.setTheme(this._theme);\n        }\n        break;\n      case 'scrollback':\n        this.buffers.resize(this.cols, this.rows);\n        if (this.viewport) {\n          this.viewport.syncScrollArea();\n        }\n        break;\n      case 'screenReaderMode':\n        if (value) {\n          if (!this._accessibilityManager) {\n            this._accessibilityManager = new AccessibilityManager(this);\n          }\n        } else {\n          if (this._accessibilityManager) {\n            this._accessibilityManager.dispose();\n            this._accessibilityManager = null;\n          }\n        }\n        break;\n      case 'tabStopWidth': this.buffers.setupTabStops(); break;\n    }\n    // Inform renderer of changes\n    if (this.renderer) {\n      this.renderer.onOptionsChanged();\n    }\n  }\n\n  /**\n   * Binds the desired focus behavior on a given terminal object.\n   */\n  private _onTextAreaFocus(ev: KeyboardEvent): void {\n    if (this.sendFocus) {\n      this.handler(C0.ESC + '[I');\n    }\n    this.updateCursorStyle(ev);\n    this.element.classList.add('focus');\n    this.showCursor();\n    this.emit('focus');\n  }\n\n  /**\n   * Blur the terminal, calling the blur function on the terminal's underlying\n   * textarea.\n   */\n  public blur(): void {\n    return this.textarea.blur();\n  }\n\n  /**\n   * Binds the desired blur behavior on a given terminal object.\n   */\n  private _onTextAreaBlur(): void {\n    // Text can safely be removed on blur. Doing it earlier could interfere with\n    // screen readers reading it out.\n    this.textarea.value = '';\n    this.refresh(this.buffer.y, this.buffer.y);\n    if (this.sendFocus) {\n      this.handler(C0.ESC + '[O');\n    }\n    this.element.classList.remove('focus');\n    this.emit('blur');\n  }\n\n  /**\n   * Initialize default behavior\n   */\n  private _initGlobal(): void {\n    this._bindKeys();\n\n    // Bind clipboard functionality\n    this.register(addDisposableDomListener(this.element, 'copy', (event: ClipboardEvent) => {\n      // If mouse events are active it means the selection manager is disabled and\n      // copy should be handled by the host program.\n      if (!this.hasSelection()) {\n        return;\n      }\n      copyHandler(event, this, this.selectionManager);\n    }));\n    const pasteHandlerWrapper = (event: ClipboardEvent) => pasteHandler(event, this);\n    this.register(addDisposableDomListener(this.textarea, 'paste', pasteHandlerWrapper));\n    this.register(addDisposableDomListener(this.element, 'paste', pasteHandlerWrapper));\n\n    // Handle right click context menus\n    if (Browser.isFirefox) {\n      // Firefox doesn't appear to fire the contextmenu event on right click\n      this.register(addDisposableDomListener(this.element, 'mousedown', (event: MouseEvent) => {\n        if (event.button === 2) {\n          rightClickHandler(event, this.textarea, this.selectionManager, this.options.rightClickSelectsWord);\n        }\n      }));\n    } else {\n      this.register(addDisposableDomListener(this.element, 'contextmenu', (event: MouseEvent) => {\n        rightClickHandler(event, this.textarea, this.selectionManager, this.options.rightClickSelectsWord);\n      }));\n    }\n\n    // Move the textarea under the cursor when middle clicking on Linux to ensure\n    // middle click to paste selection works. This only appears to work in Chrome\n    // at the time is writing.\n    if (Browser.isLinux) {\n      // Use auxclick event over mousedown the latter doesn't seem to work. Note\n      // that the regular click event doesn't fire for the middle mouse button.\n      this.register(addDisposableDomListener(this.element, 'auxclick', (event: MouseEvent) => {\n        if (event.button === 1) {\n          moveTextAreaUnderMouseCursor(event, this.textarea);\n        }\n      }));\n    }\n  }\n\n  /**\n   * Apply key handling to the terminal\n   */\n  private _bindKeys(): void {\n    const self = this;\n    this.register(addDisposableDomListener(this.element, 'keydown', function (ev: KeyboardEvent): void {\n      if (document.activeElement !== this) {\n        return;\n      }\n      self._keyDown(ev);\n    }, true));\n\n    this.register(addDisposableDomListener(this.element, 'keypress', function (ev: KeyboardEvent): void {\n      if (document.activeElement !== this) {\n        return;\n      }\n      self._keyPress(ev);\n    }, true));\n\n    this.register(addDisposableDomListener(this.element, 'keyup', (ev: KeyboardEvent) => {\n      if (!wasModifierKeyOnlyEvent(ev)) {\n        this.focus();\n      }\n\n      self._keyUp(ev);\n    }, true));\n\n    this.register(addDisposableDomListener(this.textarea, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));\n    this.register(addDisposableDomListener(this.textarea, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));\n    this.register(addDisposableDomListener(this.textarea, 'compositionstart', () => this._compositionHelper.compositionstart()));\n    this.register(addDisposableDomListener(this.textarea, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper.compositionupdate(e)));\n    this.register(addDisposableDomListener(this.textarea, 'compositionend', () => this._compositionHelper.compositionend()));\n    this.register(this.addDisposableListener('refresh', () => this._compositionHelper.updateCompositionElements()));\n    this.register(this.addDisposableListener('refresh', (data) => this._queueLinkification(data.start, data.end)));\n  }\n\n  /**\n   * Opens the terminal within an element.\n   *\n   * @param parent The element to create the terminal within.\n   */\n  public open(parent: HTMLElement): void {\n    this._parent = parent || this._parent;\n\n    if (!this._parent) {\n      throw new Error('Terminal requires a parent element.');\n    }\n\n    // Grab global elements\n    this._context = this._parent.ownerDocument.defaultView;\n    this._document = this._parent.ownerDocument;\n\n    this._screenDprMonitor = new ScreenDprMonitor();\n    this._screenDprMonitor.setListener(() => this.emit('dprchange', window.devicePixelRatio));\n    this.register(this._screenDprMonitor);\n\n    // Create main element container\n    this.element = this._document.createElement('div');\n    this.element.dir = 'ltr';   // xterm.css assumes LTR\n    this.element.classList.add('terminal');\n    this.element.classList.add('xterm');\n    this.element.setAttribute('tabindex', '0');\n    this._parent.appendChild(this.element);\n\n    // Performance: Use a document fragment to build the terminal\n    // viewport and helper elements detached from the DOM\n    const fragment = document.createDocumentFragment();\n    this._viewportElement = document.createElement('div');\n    this._viewportElement.classList.add('xterm-viewport');\n    fragment.appendChild(this._viewportElement);\n    this._viewportScrollArea = document.createElement('div');\n    this._viewportScrollArea.classList.add('xterm-scroll-area');\n    this._viewportElement.appendChild(this._viewportScrollArea);\n\n    this.screenElement = document.createElement('div');\n    this.screenElement.classList.add('xterm-screen');\n    // Create the container that will hold helpers like the textarea for\n    // capturing DOM Events. Then produce the helpers.\n    this._helperContainer = document.createElement('div');\n    this._helperContainer.classList.add('xterm-helpers');\n    this.screenElement.appendChild(this._helperContainer);\n    fragment.appendChild(this.screenElement);\n\n    this._mouseZoneManager = new MouseZoneManager(this);\n    this.register(this._mouseZoneManager);\n    this.register(this.addDisposableListener('scroll', () => this._mouseZoneManager.clearAll()));\n    this.linkifier.attachToDom(this._mouseZoneManager);\n\n    this.textarea = document.createElement('textarea');\n    this.textarea.classList.add('xterm-helper-textarea');\n    // TODO: New API to set title? This could say \"Terminal bash input\", etc.\n    this.textarea.setAttribute('aria-label', Strings.promptLabel);\n    this.textarea.setAttribute('aria-multiline', 'false');\n    this.textarea.setAttribute('autocorrect', 'off');\n    this.textarea.setAttribute('autocapitalize', 'off');\n    this.textarea.setAttribute('spellcheck', 'false');\n    this.textarea.tabIndex = 0;\n    this.register(addDisposableDomListener(this.textarea, 'focus', (ev: KeyboardEvent) => this._onTextAreaFocus(ev)));\n    this.register(addDisposableDomListener(this.textarea, 'blur', () => this._onTextAreaBlur()));\n    this._helperContainer.appendChild(this.textarea);\n\n    this._compositionView = document.createElement('div');\n    this._compositionView.classList.add('composition-view');\n    this._compositionHelper = new CompositionHelper(this.textarea, this._compositionView, this);\n    this._helperContainer.appendChild(this._compositionView);\n\n    this.charMeasure = new CharMeasure(document, this._helperContainer);\n\n    // Performance: Add viewport and helper elements from the fragment\n    this.element.appendChild(fragment);\n\n    this._setupRenderer();\n    this._theme = this.options.theme;\n    this.options.theme = null;\n    this.viewport = new Viewport(this, this._viewportElement, this._viewportScrollArea, this.charMeasure);\n    this.viewport.onThemeChanged(this.renderer.colorManager.colors);\n    this.register(this.viewport);\n\n    this.register(this.addDisposableListener('cursormove', () => this.renderer.onCursorMove()));\n    this.register(this.addDisposableListener('resize', () => this.renderer.onResize(this.cols, this.rows)));\n    this.register(this.addDisposableListener('blur', () => this.renderer.onBlur()));\n    this.register(this.addDisposableListener('focus', () => this.renderer.onFocus()));\n    this.register(this.addDisposableListener('dprchange', () => this.renderer.onWindowResize(window.devicePixelRatio)));\n    // dprchange should handle this case, we need this as well for browsers that don't support the\n    // matchMedia query.\n    this.register(addDisposableDomListener(window, 'resize', () => this.renderer.onWindowResize(window.devicePixelRatio)));\n    this.register(this.charMeasure.addDisposableListener('charsizechanged', () => this.renderer.onCharSizeChanged()));\n    this.register(this.renderer.addDisposableListener('resize', (dimensions) => this.viewport.syncScrollArea()));\n\n    this.selectionManager = new SelectionManager(this, this.charMeasure);\n    this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this.selectionManager.onMouseDown(e)));\n    this.register(this.selectionManager.addDisposableListener('refresh', data => this.renderer.onSelectionChanged(data.start, data.end, data.columnSelectMode)));\n    this.register(this.selectionManager.addDisposableListener('newselection', text => {\n      // If there's a new selection, put it into the textarea, focus and select it\n      // in order to register it as a selection on the OS. This event is fired\n      // only on Linux to enable middle click to paste selection.\n      this.textarea.value = text;\n      this.textarea.focus();\n      this.textarea.select();\n    }));\n    this.register(this.addDisposableListener('scroll', () => {\n      this.viewport.syncScrollArea();\n      this.selectionManager.refresh();\n    }));\n    this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this.selectionManager.refresh()));\n\n    this.mouseHelper = new MouseHelper(this.renderer);\n\n    if (this.options.screenReaderMode) {\n      // Note that this must be done *after* the renderer is created in order to\n      // ensure the correct order of the dprchange event\n      this._accessibilityManager = new AccessibilityManager(this);\n    }\n\n    // Measure the character size\n    this.charMeasure.measure(this.options);\n\n    // Setup loop that draws to screen\n    this.refresh(0, this.rows - 1);\n\n    // Initialize global actions that need to be taken on the document.\n    this._initGlobal();\n\n    // Listen for mouse events and translate\n    // them into terminal mouse protocols.\n    this.bindMouse();\n\n  }\n\n  private _setupRenderer(): void {\n    switch (this.options.rendererType) {\n      case 'canvas': this.renderer = new Renderer(this, this.options.theme); break;\n      case 'dom': this.renderer = new DomRenderer(this, this.options.theme); break;\n      default: throw new Error(`Unrecognized rendererType \"${this.options.rendererType}\"`);\n    }\n    this.register(this.renderer);\n  }\n\n  /**\n   * Sets the theme on the renderer. The renderer must have been initialized.\n   * @param theme The theme to set.\n   */\n  private _setTheme(theme: ITheme): void {\n    this._theme = theme;\n    const colors = this.renderer.setTheme(theme);\n    if (this.viewport) {\n      this.viewport.onThemeChanged(colors);\n    }\n  }\n\n  /**\n   * XTerm mouse events\n   * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n   * To better understand these\n   * the xterm code is very helpful:\n   * Relevant files:\n   *   button.c, charproc.c, misc.c\n   * Relevant functions in xterm/button.c:\n   *   BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n   */\n  public bindMouse(): void {\n    const el = this.element;\n    const self = this;\n    let pressed = 32;\n\n    // mouseup, mousedown, wheel\n    // left click: ^[[M 3<^[[M#3<\n    // wheel up: ^[[M`3>\n    function sendButton(ev: MouseEvent | WheelEvent): void {\n      let button;\n      let pos;\n\n      // get the xterm-style button\n      button = getButton(ev);\n\n      // get mouse coordinates\n      pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.options.lineHeight, self.cols, self.rows);\n      if (!pos) return;\n\n      sendEvent(button, pos);\n\n      switch ((<any>ev).overrideType || ev.type) {\n        case 'mousedown':\n          pressed = button;\n          break;\n        case 'mouseup':\n          // keep it at the left\n          // button, just in case.\n          pressed = 32;\n          break;\n        case 'wheel':\n          // nothing. don't\n          // interfere with\n          // `pressed`.\n          break;\n      }\n    }\n\n    // motion example of a left click:\n    // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n    function sendMove(ev: MouseEvent): void {\n      let button = pressed;\n      const pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.options.lineHeight, self.cols, self.rows);\n      if (!pos) return;\n\n      // buttons marked as motions\n      // are incremented by 32\n      button += 32;\n\n      sendEvent(button, pos);\n    }\n\n    // encode button and\n    // position to characters\n    function encode(data: number[], ch: number): void {\n      if (!self.utfMouse) {\n        if (ch === 255) {\n          data.push(0);\n          return;\n        }\n        if (ch > 127) ch = 127;\n        data.push(ch);\n      } else {\n        if (ch === 2047) {\n          data.push(0);\n          return;\n        }\n        if (ch < 127) {\n          data.push(ch);\n        } else {\n          if (ch > 2047) ch = 2047;\n          data.push(0xC0 | (ch >> 6));\n          data.push(0x80 | (ch & 0x3F));\n        }\n      }\n    }\n\n    // send a mouse event:\n    // regular/utf8: ^[[M Cb Cx Cy\n    // urxvt: ^[[ Cb ; Cx ; Cy M\n    // sgr: ^[[ Cb ; Cx ; Cy M/m\n    // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n    // locator: CSI P e ; P b ; P r ; P c ; P p & w\n    function sendEvent(button: number, pos: {x: number, y: number}): void {\n      // self.emit('mouse', {\n      //   x: pos.x - 32,\n      //   y: pos.x - 32,\n      //   button: button\n      // });\n\n      if (self._vt300Mouse) {\n        // NOTE: Unstable.\n        // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n        button &= 3;\n        pos.x -= 32;\n        pos.y -= 32;\n        let data = C0.ESC + '[24';\n        if (button === 0) data += '1';\n        else if (button === 1) data += '3';\n        else if (button === 2) data += '5';\n        else if (button === 3) return;\n        else data += '0';\n        data += '~[' + pos.x + ',' + pos.y + ']\\r';\n        self.handler(data);\n        return;\n      }\n\n      if (self._decLocator) {\n        // NOTE: Unstable.\n        button &= 3;\n        pos.x -= 32;\n        pos.y -= 32;\n        if (button === 0) button = 2;\n        else if (button === 1) button = 4;\n        else if (button === 2) button = 6;\n        else if (button === 3) button = 3;\n        self.handler(C0.ESC + '['\n                  + button\n                  + ';'\n                  + (button === 3 ? 4 : 0)\n                  + ';'\n                  + pos.y\n                  + ';'\n                  + pos.x\n                  + ';'\n                  // Not sure what page is meant to be\n                  + (<any>pos).page || 0\n                  + '&w');\n        return;\n      }\n\n      if (self.urxvtMouse) {\n        pos.x -= 32;\n        pos.y -= 32;\n        pos.x++;\n        pos.y++;\n        self.handler(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n        return;\n      }\n\n      if (self.sgrMouse) {\n        pos.x -= 32;\n        pos.y -= 32;\n        self.handler(C0.ESC + '[<'\n                  + (((button & 3) === 3 ? button & ~3 : button) - 32)\n                  + ';'\n                  + pos.x\n                  + ';'\n                  + pos.y\n                  + ((button & 3) === 3 ? 'm' : 'M'));\n        return;\n      }\n\n      const data: number[] = [];\n\n      encode(data, button);\n      encode(data, pos.x);\n      encode(data, pos.y);\n\n      self.handler(C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n    }\n\n    function getButton(ev: MouseEvent): number {\n      let button;\n      let shift;\n      let meta;\n      let ctrl;\n      let mod;\n\n      // two low bits:\n      // 0 = left\n      // 1 = middle\n      // 2 = right\n      // 3 = release\n      // wheel up/down:\n      // 1, and 2 - with 64 added\n      switch ((<any>ev).overrideType || ev.type) {\n        case 'mousedown':\n          button = ev.button !== null && ev.button !== undefined\n            ? +ev.button\n          : ev.which !== null && ev.which !== undefined\n            ? ev.which - 1\n          : null;\n\n          if (Browser.isMSIE) {\n            button = button === 1 ? 0 : button === 4 ? 1 : button;\n          }\n          break;\n        case 'mouseup':\n          button = 3;\n          break;\n        case 'DOMMouseScroll':\n          button = ev.detail < 0\n            ? 64\n          : 65;\n          break;\n        case 'wheel':\n          button = (<WheelEvent>ev).wheelDeltaY > 0\n            ? 64\n          : 65;\n          break;\n      }\n\n      // next three bits are the modifiers:\n      // 4 = shift, 8 = meta, 16 = control\n      shift = ev.shiftKey ? 4 : 0;\n      meta = ev.metaKey ? 8 : 0;\n      ctrl = ev.ctrlKey ? 16 : 0;\n      mod = shift | meta | ctrl;\n\n      // no mods\n      if (self.vt200Mouse) {\n        // ctrl only\n        mod &= ctrl;\n      } else if (!self.normalMouse) {\n        mod = 0;\n      }\n\n      // increment to SP\n      button = (32 + (mod << 2)) + button;\n\n      return button;\n    }\n\n    this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {\n\n      // Prevent the focus on the textarea from getting lost\n      // and make sure we get focused on mousedown\n      ev.preventDefault();\n      this.focus();\n\n      // Don't send the mouse button to the pty if mouse events are disabled or\n      // if the selection manager is having selection forced (ie. a modifier is\n      // held).\n      if (!this.mouseEvents || this.selectionManager.shouldForceSelection(ev)) {\n        return;\n      }\n\n      // send the button\n      sendButton(ev);\n\n      // fix for odd bug\n      // if (this.vt200Mouse && !this.normalMouse) {\n      if (this.vt200Mouse) {\n        (<any>ev).overrideType = 'mouseup';\n        sendButton(ev);\n        return this.cancel(ev);\n      }\n\n      // TODO: All mouse handling should be pulled into its own file.\n\n      // bind events\n      let moveHandler: (event: MouseEvent) => void;\n      if (this.normalMouse) {\n        moveHandler = (event: MouseEvent) => {\n          // Do nothing if normal mouse mode is on. This can happen if the mouse is held down when the\n          // terminal exits normalMouse mode.\n          if (!this.normalMouse) {\n            return;\n          }\n          sendMove(event);\n        };\n        // TODO: these event listeners should be managed by the disposable, the Terminal reference may\n        // be kept aroud if Terminal.dispose is fired when the mouse is down\n        this._document.addEventListener('mousemove', moveHandler);\n      }\n\n      // x10 compatibility mode can't send button releases\n      const handler = (ev: MouseEvent) => {\n        if (this.normalMouse && !this.x10Mouse) {\n          sendButton(ev);\n        }\n        if (moveHandler) {\n          // Even though this should only be attached when this.normalMouse is true, holding the\n          // mouse button down when normalMouse changes can happen. Just always try to remove it.\n          this._document.removeEventListener('mousemove', moveHandler);\n          moveHandler = null;\n        }\n        this._document.removeEventListener('mouseup', handler);\n        return this.cancel(ev);\n      };\n      this._document.addEventListener('mouseup', handler);\n\n      return this.cancel(ev);\n    }));\n\n    // if (this.normalMouse) {\n    //  on(this.document, 'mousemove', sendMove);\n    // }\n\n    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n      if (!this.mouseEvents) {\n        // Convert wheel events into up/down events when the buffer does not have scrollback, this\n        // enables scrolling in apps hosted in the alt buffer such as vim or tmux.\n        if (!this.buffer.hasScrollback) {\n          const amount = this.viewport.getLinesScrolled(ev);\n\n          // Do nothing if there's no vertical scroll\n          if (amount === 0) {\n            return;\n          }\n\n          // Construct and send sequences\n          const sequence = C0.ESC + (this.applicationCursor ? 'O' : '[') + ( ev.deltaY < 0 ? 'A' : 'B');\n          let data = '';\n          for (let i = 0; i < Math.abs(amount); i++) {\n            data += sequence;\n          }\n          this.handler(data);\n        }\n        return;\n      }\n      if (this.x10Mouse || this._vt300Mouse || this._decLocator) return;\n      sendButton(ev);\n      ev.preventDefault();\n    }));\n\n    // allow wheel scrolling in\n    // the shell for example\n    this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n      if (this.mouseEvents) return;\n      this.viewport.onWheel(ev);\n      return this.cancel(ev);\n    }));\n\n    this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {\n      if (this.mouseEvents) return;\n      this.viewport.onTouchStart(ev);\n      return this.cancel(ev);\n    }));\n\n    this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {\n      if (this.mouseEvents) return;\n      this.viewport.onTouchMove(ev);\n      return this.cancel(ev);\n    }));\n  }\n\n  /**\n   * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n   * opportunity.\n   * @param start The row to start from (between 0 and this.rows - 1).\n   * @param end The row to end at (between start and this.rows - 1).\n   */\n  public refresh(start: number, end: number): void {\n    if (this.renderer) {\n      this.renderer.refreshRows(start, end);\n    }\n  }\n\n  /**\n   * Queues linkification for the specified rows.\n   * @param start The row to start from (between 0 and this.rows - 1).\n   * @param end The row to end at (between start and this.rows - 1).\n   */\n  private _queueLinkification(start: number, end: number): void {\n    if (this.linkifier) {\n      this.linkifier.linkifyRows(start, end);\n    }\n  }\n\n  /**\n   * Change the cursor style for different selection modes\n   */\n  public updateCursorStyle(ev: KeyboardEvent): void {\n    if (this.selectionManager && this.selectionManager.shouldColumnSelect(ev)) {\n      this.element.classList.add('xterm-cursor-crosshair');\n    } else {\n      this.element.classList.remove('xterm-cursor-crosshair');\n    }\n  }\n\n  /**\n   * Display the cursor element\n   */\n  public showCursor(): void {\n    if (!this.cursorState) {\n      this.cursorState = 1;\n      this.refresh(this.buffer.y, this.buffer.y);\n    }\n  }\n\n  /**\n   * Scroll the terminal down 1 row, creating a blank line.\n   * @param isWrapped Whether the new line is wrapped from the previous line.\n   */\n  public scroll(isWrapped?: boolean): void {\n    const newLine = BufferLine.blankLine(this.cols, DEFAULT_ATTR, isWrapped);\n    const topRow = this.buffer.ybase + this.buffer.scrollTop;\n    const bottomRow = this.buffer.ybase + this.buffer.scrollBottom;\n\n    if (this.buffer.scrollTop === 0) {\n      // Determine whether the buffer is going to be trimmed after insertion.\n      const willBufferBeTrimmed = this.buffer.lines.length === this.buffer.lines.maxLength;\n\n      // Insert the line using the fastest method\n      if (bottomRow === this.buffer.lines.length - 1) {\n        this.buffer.lines.push(newLine);\n      } else {\n        this.buffer.lines.splice(bottomRow + 1, 0, newLine);\n      }\n\n      // Only adjust ybase and ydisp when the buffer is not trimmed\n      if (!willBufferBeTrimmed) {\n        this.buffer.ybase++;\n        // Only scroll the ydisp with ybase if the user has not scrolled up\n        if (!this._userScrolling) {\n          this.buffer.ydisp++;\n        }\n      } else {\n        // When the buffer is full and the user has scrolled up, keep the text\n        // stable unless ydisp is right at the top\n        if (this._userScrolling) {\n          this.buffer.ydisp = Math.max(this.buffer.ydisp - 1, 0);\n        }\n      }\n    } else {\n      // scrollTop is non-zero which means no line will be going to the\n      // scrollback, instead we can just shift them in-place.\n      const scrollRegionHeight = bottomRow - topRow + 1/*as it's zero-based*/;\n      this.buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);\n      this.buffer.lines.set(bottomRow, newLine);\n    }\n\n    // Move the viewport to the bottom of the buffer unless the user is\n    // scrolling.\n    if (!this._userScrolling) {\n      this.buffer.ydisp = this.buffer.ybase;\n    }\n\n    // Flag rows that need updating\n    this.updateRange(this.buffer.scrollTop);\n    this.updateRange(this.buffer.scrollBottom);\n\n    /**\n     * This event is emitted whenever the terminal is scrolled.\n     * The one parameter passed is the new y display position.\n     *\n     * @event scroll\n     */\n    this.emit('scroll', this.buffer.ydisp);\n  }\n\n  /**\n   * Scroll the display of the terminal\n   * @param disp The number of lines to scroll down (negative scroll up).\n   * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used\n   * to avoid unwanted events being handled by the viewport when the event was triggered from the\n   * viewport originally.\n   */\n  public scrollLines(disp: number, suppressScrollEvent?: boolean): void {\n    if (disp < 0) {\n      if (this.buffer.ydisp === 0) {\n        return;\n      }\n      this._userScrolling = true;\n    } else if (disp + this.buffer.ydisp >= this.buffer.ybase) {\n      this._userScrolling = false;\n    }\n\n    const oldYdisp = this.buffer.ydisp;\n    this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);\n\n    // No change occurred, don't trigger scroll/refresh\n    if (oldYdisp === this.buffer.ydisp) {\n      return;\n    }\n\n    if (!suppressScrollEvent) {\n      this.emit('scroll', this.buffer.ydisp);\n    }\n\n    this.refresh(0, this.rows - 1);\n  }\n\n  /**\n   * Scroll the display of the terminal by a number of pages.\n   * @param pageCount The number of pages to scroll (negative scrolls up).\n   */\n  public scrollPages(pageCount: number): void {\n    this.scrollLines(pageCount * (this.rows - 1));\n  }\n\n  /**\n   * Scrolls the display of the terminal to the top.\n   */\n  public scrollToTop(): void {\n    this.scrollLines(-this.buffer.ydisp);\n  }\n\n  /**\n   * Scrolls the display of the terminal to the bottom.\n   */\n  public scrollToBottom(): void {\n    this.scrollLines(this.buffer.ybase - this.buffer.ydisp);\n  }\n\n  public scrollToLine(line: number): void {\n    const scrollAmount = line - this.buffer.ydisp;\n    if (scrollAmount !== 0) {\n      this.scrollLines(scrollAmount);\n    }\n  }\n\n  /**\n   * Writes text to the terminal.\n   * @param data The text to write to the terminal.\n   */\n  public write(data: string): void {\n    // Ensure the terminal isn't disposed\n    if (this._isDisposed) {\n      return;\n    }\n\n    // Ignore falsy data values (including the empty string)\n    if (!data) {\n      return;\n    }\n\n    this.writeBuffer.push(data);\n\n    // Send XOFF to pause the pty process if the write buffer becomes too large so\n    // xterm.js can catch up before more data is sent. This is necessary in order\n    // to keep signals such as ^C responsive.\n    if (this.options.useFlowControl && !this._xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n      // XOFF - stop pty pipe\n      // XON will be triggered by emulator before processing data chunk\n      this.handler(C0.DC3);\n      this._xoffSentToCatchUp = true;\n    }\n\n    if (!this._writeInProgress && this.writeBuffer.length > 0) {\n      // Kick off a write which will write all data in sequence recursively\n      this._writeInProgress = true;\n      // Kick off an async innerWrite so more writes can come in while processing data\n      setTimeout(() => {\n        this._innerWrite();\n      });\n    }\n  }\n\n  protected _innerWrite(): void {\n    // Ensure the terminal isn't disposed\n    if (this._isDisposed) {\n      this.writeBuffer = [];\n    }\n\n    const writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);\n    while (writeBatch.length > 0) {\n      const data = writeBatch.shift();\n\n      // If XOFF was sent in order to catch up with the pty process, resume it if\n      // the writeBuffer is empty to allow more data to come in.\n      if (this._xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {\n        this.handler(C0.DC1);\n        this._xoffSentToCatchUp = false;\n      }\n\n      this._refreshStart = this.buffer.y;\n      this._refreshEnd = this.buffer.y;\n\n      // HACK: Set the parser state based on it's state at the time of return.\n      // This works around the bug #662 which saw the parser state reset in the\n      // middle of parsing escape sequence in two chunks. For some reason the\n      // state of the parser resets to 0 after exiting parser.parse. This change\n      // just sets the state back based on the correct return statement.\n\n      this._inputHandler.parse(data);\n\n      this.updateRange(this.buffer.y);\n      this.refresh(this._refreshStart, this._refreshEnd);\n    }\n    if (this.writeBuffer.length > 0) {\n      // Allow renderer to catch up before processing the next batch\n      setTimeout(() => this._innerWrite(), 0);\n    } else {\n      this._writeInProgress = false;\n    }\n  }\n\n  /**\n   * Writes text to the terminal, followed by a break line character (\\n).\n   * @param data The text to write to the terminal.\n   */\n  public writeln(data: string): void {\n    this.write(data + '\\r\\n');\n  }\n\n  /**\n   * Attaches a custom key event handler which is run before keys are processed,\n   * giving consumers of xterm.js ultimate control as to what keys should be\n   * processed by the terminal and what keys should not.\n   * @param customKeyEventHandler The custom KeyboardEvent handler to attach.\n   * This is a function that takes a KeyboardEvent, allowing consumers to stop\n   * propogation and/or prevent the default action. The function returns whether\n   * the event should be processed by xterm.js.\n   */\n  public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {\n    this._customKeyEventHandler = customKeyEventHandler;\n  }\n\n  /**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param regex The regular expression to search for, specifically\n   * this searches the textContent of the rows. You will want to use \\s to match\n   * a space ' ' character for example.\n   * @param handler The callback when the link is called.\n   * @param options Options for the link matcher.\n   * @return The ID of the new matcher, this can be used to deregister.\n   */\n  public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options?: ILinkMatcherOptions): number {\n    const matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n    this.refresh(0, this.rows - 1);\n    return matcherId;\n  }\n\n  /**\n   * Deregisters a link matcher if it has been registered.\n   * @param matcherId The link matcher's ID (returned after register)\n   */\n  public deregisterLinkMatcher(matcherId: number): void {\n    if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n\n  public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n    const joinerId = this.renderer.registerCharacterJoiner(handler);\n    this.refresh(0, this.rows - 1);\n    return joinerId;\n  }\n\n  public deregisterCharacterJoiner(joinerId: number): void {\n    if (this.renderer.deregisterCharacterJoiner(joinerId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n\n  public get markers(): IMarker[] {\n    return this.buffer.markers;\n  }\n\n  public addMarker(cursorYOffset: number): IMarker {\n    // Disallow markers on the alt buffer\n    if (this.buffer !== this.buffers.normal) {\n      return;\n    }\n\n    return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);\n  }\n\n  /**\n   * Gets whether the terminal has an active selection.\n   */\n  public hasSelection(): boolean {\n    return this.selectionManager ? this.selectionManager.hasSelection : false;\n  }\n\n  /**\n   * Gets the terminal's current selection, this is useful for implementing copy\n   * behavior outside of xterm.js.\n   */\n  public getSelection(): string {\n    return this.selectionManager ? this.selectionManager.selectionText : '';\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    if (this.selectionManager) {\n      this.selectionManager.clearSelection();\n    }\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    if (this.selectionManager) {\n      this.selectionManager.selectAll();\n    }\n  }\n\n  public selectLines(start: number, end: number): void {\n    if (this.selectionManager) {\n      this.selectionManager.selectLines(start, end);\n    }\n  }\n\n  /**\n   * Handle a keydown event\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   * @param ev The keydown event to be handled.\n   */\n  protected _keyDown(event: KeyboardEvent): boolean {\n    if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {\n      return false;\n    }\n\n    if (!this._compositionHelper.keydown(event)) {\n      if (this.buffer.ybase !== this.buffer.ydisp) {\n        this.scrollToBottom();\n      }\n      return false;\n    }\n\n    const result = evaluateKeyboardEvent(event, this.applicationCursor, this.browser.isMac, this.options.macOptionIsMeta);\n\n    this.updateCursorStyle(event);\n\n    // if (result.key === C0.DC3) { // XOFF\n    //   this._writeStopped = true;\n    // } else if (result.key === C0.DC1) { // XON\n    //   this._writeStopped = false;\n    // }\n\n    if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {\n      const scrollCount = this.rows - 1;\n      this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);\n      return this.cancel(event, true);\n    }\n\n    if (result.type === KeyboardResultType.SELECT_ALL) {\n      this.selectAll();\n    }\n\n    if (this._isThirdLevelShift(this.browser, event)) {\n      return true;\n    }\n\n    if (result.cancel) {\n      // The event is canceled at the end already, is this necessary?\n      this.cancel(event, true);\n    }\n\n    if (!result.key) {\n      return true;\n    }\n\n    this.emit('keydown', event);\n    this.emit('key', result.key, event);\n    this.showCursor();\n    this.handler(result.key);\n\n    return this.cancel(event, true);\n  }\n\n  private _isThirdLevelShift(browser: IBrowser, ev: IKeyboardEvent): boolean {\n    const thirdLevelKey =\n        (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n        (browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n    if (ev.type === 'keypress') {\n      return thirdLevelKey;\n    }\n\n    // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n  }\n\n  /**\n   * Set the G level of the terminal\n   * @param g\n   */\n  public setgLevel(g: number): void {\n    this.glevel = g;\n    this.charset = this.charsets[g];\n  }\n\n  /**\n   * Set the charset for the given G level of the terminal\n   * @param g\n   * @param charset\n   */\n  public setgCharset(g: number, charset: ICharset): void {\n    this.charsets[g] = charset;\n    if (this.glevel === g) {\n      this.charset = charset;\n    }\n  }\n\n  protected _keyUp(ev: KeyboardEvent): void {\n    this.updateCursorStyle(ev);\n  }\n\n  /**\n   * Handle a keypress event.\n   * Key Resources:\n   *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n   * @param ev The keypress event to be handled.\n   */\n  protected _keyPress(ev: KeyboardEvent): boolean {\n    let key;\n\n    if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n      return false;\n    }\n\n    this.cancel(ev);\n\n    if (ev.charCode) {\n      key = ev.charCode;\n    } else if (ev.which === null || ev.which === undefined) {\n      key = ev.keyCode;\n    } else if (ev.which !== 0 && ev.charCode !== 0) {\n      key = ev.which;\n    } else {\n      return false;\n    }\n\n    if (!key || (\n      (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)\n    )) {\n      return false;\n    }\n\n    key = String.fromCharCode(key);\n\n    this.emit('keypress', key, ev);\n    this.emit('key', key, ev);\n    this.showCursor();\n    this.handler(key);\n\n    return true;\n  }\n\n  /**\n   * Ring the bell.\n   * Note: We could do sweet things with webaudio here\n   */\n  public bell(): void {\n    this.emit('bell');\n    if (this._soundBell()) {\n      this.soundManager.playBellSound();\n    }\n\n    if (this._visualBell()) {\n      this.element.classList.add('visual-bell-active');\n      clearTimeout(this._visualBellTimer);\n      this._visualBellTimer = window.setTimeout(() => {\n        this.element.classList.remove('visual-bell-active');\n      }, 200);\n    }\n  }\n\n  /**\n   * Log the current state to the console.\n   */\n  public log(text: string, data?: any): void {\n    if (!this.options.debug) return;\n    if (!this._context.console || !this._context.console.log) return;\n    this._context.console.log(text, data);\n  }\n\n  /**\n   * Log the current state as error to the console.\n   */\n  public error(text: string, data?: any): void {\n    if (!this.options.debug) return;\n    if (!this._context.console || !this._context.console.error) return;\n    this._context.console.error(text, data);\n  }\n\n  /**\n   * Resizes the terminal.\n   *\n   * @param x The number of columns to resize to.\n   * @param y The number of rows to resize to.\n   */\n  public resize(x: number, y: number): void {\n    if (isNaN(x) || isNaN(y)) {\n      return;\n    }\n\n    if (x === this.cols && y === this.rows) {\n      // Check if we still need to measure the char size (fixes #785).\n      if (this.charMeasure && (!this.charMeasure.width || !this.charMeasure.height)) {\n        this.charMeasure.measure(this.options);\n      }\n      return;\n    }\n\n    if (x < 1) x = 1;\n    if (y < 1) y = 1;\n\n    this.buffers.resize(x, y);\n\n    this.cols = x;\n    this.rows = y;\n    this.buffers.setupTabStops(this.cols);\n\n    if (this.charMeasure) {\n      this.charMeasure.measure(this.options);\n    }\n\n    this.refresh(0, this.rows - 1);\n    this.emit('resize', {cols: x, rows: y});\n  }\n\n  /**\n   * Updates the range of rows to refresh\n   * @param y The number of rows to refresh next.\n   */\n  public updateRange(y: number): void {\n    if (y < this._refreshStart) this._refreshStart = y;\n    if (y > this._refreshEnd) this._refreshEnd = y;\n    // if (y > this.refreshEnd) {\n    //   this.refreshEnd = y;\n    //   if (y > this.rows - 1) {\n    //     this.refreshEnd = this.rows - 1;\n    //   }\n    // }\n  }\n\n  /**\n   * Set the range of refreshing to the maximum value\n   */\n  public maxRange(): void {\n    this._refreshStart = 0;\n    this._refreshEnd = this.rows - 1;\n  }\n\n  /**\n   * Clear the entire buffer, making the prompt line the new first line.\n   */\n  public clear(): void {\n    if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n      // Don't clear if it's already clear\n      return;\n    }\n    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));\n    this.buffer.lines.length = 1;\n    this.buffer.ydisp = 0;\n    this.buffer.ybase = 0;\n    this.buffer.y = 0;\n    for (let i = 1; i < this.rows; i++) {\n      this.buffer.lines.push(BufferLine.blankLine(this.cols, DEFAULT_ATTR));\n    }\n    this.refresh(0, this.rows - 1);\n    this.emit('scroll', this.buffer.ydisp);\n  }\n\n  /**\n   * If cur return the back color xterm feature attribute. Else return default attribute.\n   * @param cur\n   */\n  public ch(cur?: boolean): CharData {\n    if (cur) {\n      return [this.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];\n    }\n    return [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];\n  }\n\n  /**\n   * Evaluate if the current terminal is the given argument.\n   * @param term The terminal name to evaluate\n   */\n  public is(term: string): boolean {\n    return (this.options.termName + '').indexOf(term) === 0;\n  }\n\n  /**\n   * Emit the 'data' event and populate the given data.\n   * @param data The data to populate in the event.\n   */\n  public handler(data: string): void {\n    // Prevents all events to pty process if stdin is disabled\n    if (this.options.disableStdin) {\n      return;\n    }\n\n    // Clear the selection if the selection manager is available and has an active selection\n    if (this.selectionManager && this.selectionManager.hasSelection) {\n      this.selectionManager.clearSelection();\n    }\n\n    // Input is being sent to the terminal, the terminal should focus the prompt.\n    if (this.buffer.ybase !== this.buffer.ydisp) {\n      this.scrollToBottom();\n    }\n    this.emit('data', data);\n  }\n\n  /**\n   * Emit the 'title' event and populate the given title.\n   * @param title The title to populate in the event.\n   */\n  public handleTitle(title: string): void {\n    /**\n     * This event is emitted when the title of the terminal is changed\n     * from inside the terminal. The parameter is the new title.\n     *\n     * @event title\n     */\n    this.emit('title', title);\n  }\n\n  /**\n   * ESC\n   */\n\n  /**\n   * ESC D Index (IND is 0x84).\n   */\n  public index(): void {\n    this.buffer.y++;\n    if (this.buffer.y > this.buffer.scrollBottom) {\n      this.buffer.y--;\n      this.scroll();\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this.buffer.x >= this.cols) {\n      this.buffer.x--;\n    }\n  }\n\n  /**\n   * ESC M Reverse Index (RI is 0x8d).\n   *\n   * Move the cursor up one row, inserting a new blank line if necessary.\n   */\n  public reverseIndex(): void {\n    if (this.buffer.y === this.buffer.scrollTop) {\n      // possibly move the code below to term.reverseScroll();\n      // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n      // blankLine(true) is xterm/linux behavior\n      const scrollRegionHeight = this.buffer.scrollBottom - this.buffer.scrollTop;\n      this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, scrollRegionHeight, 1);\n      this.buffer.lines.set(this.buffer.y + this.buffer.ybase, BufferLine.blankLine(this.cols, this.eraseAttr()));\n      this.updateRange(this.buffer.scrollTop);\n      this.updateRange(this.buffer.scrollBottom);\n    } else {\n      this.buffer.y--;\n    }\n  }\n\n  /**\n   * ESC c Full Reset (RIS).\n   */\n  public reset(): void {\n    this.options.rows = this.rows;\n    this.options.cols = this.cols;\n    const customKeyEventHandler = this._customKeyEventHandler;\n    const inputHandler = this._inputHandler;\n    const cursorState = this.cursorState;\n    this._setup();\n    this._customKeyEventHandler = customKeyEventHandler;\n    this._inputHandler = inputHandler;\n    this.cursorState = cursorState;\n    this.refresh(0, this.rows - 1);\n    if (this.viewport) {\n      this.viewport.syncScrollArea();\n    }\n  }\n\n\n  /**\n   * ESC H Tab Set (HTS is 0x88).\n   */\n  public tabSet(): void {\n    this.buffer.tabs[this.buffer.x] = true;\n  }\n\n  // TODO: Remove cancel function and cancelEvents option\n  public cancel(ev: Event, force?: boolean): boolean {\n    if (!this.options.cancelEvents && !force) {\n      return;\n    }\n    ev.preventDefault();\n    ev.stopPropagation();\n    return false;\n  }\n\n  // TODO: Remove when true color is implemented\n  public matchColor(r1: number, g1: number, b1: number): number {\n    const hash = (r1 << 16) | (g1 << 8) | b1;\n\n    if (matchColorCache[hash] !== null && matchColorCache[hash] !== undefined) {\n      return matchColorCache[hash];\n    }\n\n    let ldiff = Infinity;\n    let li = -1;\n    let i = 0;\n    let c: number;\n    let r2: number;\n    let g2: number;\n    let b2: number;\n    let diff: number;\n\n    for (; i < DEFAULT_ANSI_COLORS.length; i++) {\n      c = DEFAULT_ANSI_COLORS[i].rgba;\n      r2 = c >>> 24;\n      g2 = c >>> 16 & 0xFF;\n      b2 = c >>> 8 & 0xFF;\n      // assume that alpha is 0xFF\n\n      diff = matchColorDistance(r1, g1, b1, r2, g2, b2);\n\n      if (diff === 0) {\n        li = i;\n        break;\n      }\n\n      if (diff < ldiff) {\n        ldiff = diff;\n        li = i;\n      }\n    }\n\n    return matchColorCache[hash] = li;\n  }\n\n  private _visualBell(): boolean {\n    return false;\n    // return this.options.bellStyle === 'visual' ||\n    //     this.options.bellStyle === 'both';\n  }\n\n  private _soundBell(): boolean {\n    return this.options.bellStyle === 'sound';\n    // return this.options.bellStyle === 'sound' ||\n    //     this.options.bellStyle === 'both';\n  }\n}\n\n/**\n * Helpers\n */\n\nfunction wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {\n  return ev.keyCode === 16 || // Shift\n    ev.keyCode === 17 || // Ctrl\n    ev.keyCode === 18; // Alt\n}\n\n/**\n * TODO:\n * The below color-related code can be removed when true color is implemented.\n * It's only purpose is to match true color requests with the closest matching\n * ANSI color code.\n */\n\nconst matchColorCache: {[colorRGBHash: number]: number} = {};\n\n// http://stackoverflow.com/questions/1633828\nfunction matchColorDistance(r1: number, g1: number, b1: number, r2: number, g2: number, b2: number): number {\n  return Math.pow(30 * (r1 - r2), 2)\n    + Math.pow(59 * (g1 - g2), 2)\n    + Math.pow(11 * (b1 - b2), 2);\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport let blankLine = 'Blank line';\nexport let promptLabel = 'Terminal input';\nexport let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISoundManager } from './Types';\n\n// Source: https://freesound.org/people/altemark/sounds/45759/\n// This sound is released under the Creative Commons Attribution 3.0 Unported\n// (CC BY 3.0) license. It was created by 'altemark'. No modifications have been\n// made, apart from the conversion to base64.\nexport const DEFAULT_BELL_SOUND = 'data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==';\n\nexport class SoundManager implements ISoundManager {\n  private _audioContext: AudioContext;\n\n  constructor(\n    private _terminal: ITerminal\n  ) {\n  }\n\n  public playBellSound(): void {\n    const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;\n    if (!this._audioContext && audioContextCtor) {\n      this._audioContext = new audioContextCtor();\n    }\n\n    if (this._audioContext) {\n      const bellAudioSource = this._audioContext.createBufferSource();\n      const context = this._audioContext;\n      this._audioContext.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), (buffer) => {\n        bellAudioSource.buffer = buffer;\n        bellAudioSource.connect(context.destination);\n        bellAudioSource.start(0);\n      });\n    } else {\n      console.warn('Sorry, but the Web Audio API is not supported by your browser. Please, consider upgrading to the latest version');\n    }\n  }\n\n  private _base64ToArrayBuffer(base64: string): ArrayBuffer {\n    const binaryString = window.atob(base64);\n    const len = binaryString.length;\n    const bytes = new Uint8Array(len);\n\n    for (let i = 0; i < len; i++) {\n      bytes[i] = binaryString.charCodeAt(i);\n    }\n\n    return bytes.buffer;\n  }\n\n  private _removeMimeType(dataURI: string): string {\n    // Split the input to get the mime-type and the data itself\n    const splitUri = dataURI.split(',');\n\n    // Return only the data\n    return splitUri[1];\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from './Types';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n  /**\n   * Whether select all is currently active.\n   */\n  public isSelectAllActive: boolean;\n\n  /**\n   * The [x, y] position the selection starts at.\n   */\n  public selectionStart: [number, number];\n\n  /**\n   * The minimal length of the selection from the start position. When double\n   * clicking on a word, the word will be selected which makes the selection\n   * start at the start of the word and makes this variable the length.\n   */\n  public selectionStartLength: number;\n\n  /**\n   * The [x, y] position the selection ends at.\n   */\n  public selectionEnd: [number, number];\n\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    this.clearSelection();\n  }\n\n  /**\n   * Clears the current selection.\n   */\n  public clearSelection(): void {\n    this.selectionStart = null;\n    this.selectionEnd = null;\n    this.isSelectAllActive = false;\n    this.selectionStartLength = 0;\n  }\n\n  /**\n   * The final selection start, taking into consideration select all.\n   */\n  public get finalSelectionStart(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [0, 0];\n    }\n\n    if (!this.selectionEnd || !this.selectionStart) {\n      return this.selectionStart;\n    }\n\n    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n  }\n\n  /**\n   * The final selection end, taking into consideration select all, double click\n   * word selection and triple click line selection.\n   */\n  public get finalSelectionEnd(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];\n    }\n\n    if (!this.selectionStart) {\n      return null;\n    }\n\n    // Use the selection start + length if the end doesn't exist or they're reversed\n    if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n      if (startPlusLength > this._terminal.cols) {\n        return [startPlusLength % this._terminal.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._terminal.cols)];\n      }\n      return [startPlusLength, this.selectionStart[1]];\n    }\n\n    // Ensure the the word/line is selected after a double/triple click\n    if (this.selectionStartLength) {\n      // Select the larger of the two when start and end are on the same line\n      if (this.selectionEnd[1] === this.selectionStart[1]) {\n        return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n      }\n    }\n    return this.selectionEnd;\n  }\n\n  /**\n   * Returns whether the selection start and end are reversed.\n   */\n  public areSelectionValuesReversed(): boolean {\n    const start = this.selectionStart;\n    const end = this.selectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   * @return Whether a refresh is necessary.\n   */\n  public onTrim(amount: number): boolean {\n    // Adjust the selection position based on the trimmed amount.\n    if (this.selectionStart) {\n      this.selectionStart[1] -= amount;\n    }\n    if (this.selectionEnd) {\n      this.selectionEnd[1] -= amount;\n    }\n\n    // The selection has moved off the buffer, clear it.\n    if (this.selectionEnd && this.selectionEnd[1] < 0) {\n      this.clearSelection();\n      return true;\n    }\n\n    // If the selection start is trimmed, ensure the start column is 0.\n    if (this.selectionStart && this.selectionStart[1] < 0) {\n      this.selectionStart[1] = 0;\n    }\n    return false;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager, IBuffer, CharData, IBufferLine } from './Types';\nimport { XtermListener } from './common/Types';\nimport { MouseHelper } from './utils/MouseHelper';\nimport * as Browser from './shared/utils/Browser';\nimport { CharMeasure } from './ui/CharMeasure';\nimport { EventEmitter } from './common/EventEmitter';\nimport { SelectionModel } from './SelectionModel';\nimport { CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_CODE_INDEX } from './Buffer';\nimport { AltClickHandler } from './handlers/AltClickHandler';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The maximum amount of time that can have elapsed for an alt click to move the\n * cursor.\n */\nconst ALT_CLICK_MOVE_CURSOR_TIME = 500;\n\n/**\n * A string containing all characters that are considered word separated by the\n * double click to select work logic.\n */\nconst WORD_SEPARATORS = ' ()[]{}\\'\"';\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n  start: number;\n  length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nexport const enum SelectionMode {\n  NORMAL,\n  WORD,\n  LINE,\n  COLUMN\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionManager handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionManager but a 'refresh' event is fired when the\n * selection is ready to be redrawn.\n */\nexport class SelectionManager extends EventEmitter implements ISelectionManager {\n  protected _model: SelectionModel;\n\n  /**\n   * The amount to scroll every drag scroll update (depends on how far the mouse\n   * drag is above or below the terminal).\n   */\n  private _dragScrollAmount: number;\n\n  /**\n   * The current selection mode.\n   */\n  protected _activeSelectionMode: SelectionMode;\n\n  /**\n   * A setInterval timer that is active while the mouse is down whose callback\n   * scrolls the viewport when necessary.\n   */\n  private _dragScrollIntervalTimer: NodeJS.Timer;\n\n  /**\n   * The animation frame ID used for refreshing the selection.\n   */\n  private _refreshAnimationFrame: number;\n\n  /**\n   * Whether selection is enabled.\n   */\n  private _enabled = true;\n\n  private _mouseMoveListener: EventListener;\n  private _mouseUpListener: EventListener;\n  private _trimListener: XtermListener;\n\n  private _mouseDownTimeStamp: number;\n\n  constructor(\n    private _terminal: ITerminal,\n    private _charMeasure: CharMeasure\n  ) {\n    super();\n    this._initListeners();\n    this.enable();\n\n    this._model = new SelectionModel(_terminal);\n    this._activeSelectionMode = SelectionMode.NORMAL;\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._removeMouseDownListeners();\n  }\n\n  private get _buffer(): IBuffer {\n    return this._terminal.buffers.active;\n  }\n\n  /**\n   * Initializes listener variables.\n   */\n  private _initListeners(): void {\n    this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);\n    this._mouseUpListener = event => this._onMouseUp(<MouseEvent>event);\n    this._trimListener = (amount: number) => this._onTrim(amount);\n\n    this.initBuffersListeners();\n  }\n\n  public initBuffersListeners(): void {\n    this._terminal.buffer.lines.on('trim', this._trimListener);\n    this._terminal.buffers.on('activate', e => this._onBufferActivate(e));\n  }\n\n  /**\n   * Disables the selection manager. This is useful for when terminal mouse\n   * are enabled.\n   */\n  public disable(): void {\n    this.clearSelection();\n    this._enabled = false;\n  }\n\n  /**\n   * Enable the selection manager.\n   */\n  public enable(): void {\n    this._enabled = true;\n  }\n\n  public get selectionStart(): [number, number] { return this._model.finalSelectionStart; }\n  public get selectionEnd(): [number, number] { return this._model.finalSelectionEnd; }\n\n  /**\n   * Gets whether there is an active text selection.\n   */\n  public get hasSelection(): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[0] !== end[0] || start[1] !== end[1];\n  }\n\n  /**\n   * Gets the text currently selected.\n   */\n  public get selectionText(): string {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return '';\n    }\n\n    const result: string[] = [];\n\n    if (this._activeSelectionMode === SelectionMode.COLUMN) {\n      // Ignore zero width selections\n      if (start[0] === end[0]) {\n        return '';\n      }\n\n      for (let i = start[1]; i <= end[1]; i++) {\n        const lineText = this._buffer.translateBufferLineToString(i, true, start[0], end[0]);\n        result.push(lineText);\n      }\n    } else {\n      // Get first row\n      const startRowEndCol = start[1] === end[1] ? end[0] : null;\n      result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));\n\n      // Get middle rows\n      for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n        const bufferLine = this._buffer.lines.get(i);\n        const lineText = this._buffer.translateBufferLineToString(i, true);\n        if (bufferLine.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n\n      // Get final row\n      if (start[1] !== end[1]) {\n        const bufferLine = this._buffer.lines.get(end[1]);\n        const lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);\n        if (bufferLine.isWrapped) {\n          result[result.length - 1] += lineText;\n        } else {\n          result.push(lineText);\n        }\n      }\n    }\n\n    // Format string by replacing non-breaking space chars with regular spaces\n    // and joining the array into a multi-line string.\n    const formattedResult = result.map(line => {\n      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n    }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n\n    return formattedResult;\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this.refresh();\n  }\n\n  /**\n   * Queues a refresh, redrawing the selection on the next opportunity.\n   * @param isNewSelection Whether the selection should be registered as a new\n   * selection on Linux.\n   */\n  public refresh(isNewSelection?: boolean): void {\n    // Queue the refresh for the renderer\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n    }\n\n    // If the platform is Linux and the refresh call comes from a mouse event,\n    // we need to update the selection for middle click to paste selection.\n    if (Browser.isLinux && isNewSelection) {\n      const selectionText = this.selectionText;\n      if (selectionText.length) {\n        this.emit('newselection', this.selectionText);\n      }\n    }\n  }\n\n  /**\n   * Fires the refresh event, causing consumers to pick it up and redraw the\n   * selection state.\n   */\n  private _refresh(): void {\n    this._refreshAnimationFrame = null;\n    this.emit('refresh', {\n      start: this._model.finalSelectionStart,\n      end: this._model.finalSelectionEnd,\n      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN\n    });\n  }\n\n  /**\n   * Checks if the current click was inside the current selection\n   * @param event The mouse event\n   */\n  public isClickInSelection(event: MouseEvent): boolean {\n    const coords = this._getMouseBufferCoords(event);\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n\n    if (!start || !end) {\n      return false;\n    }\n\n    return (coords[1] > start[1] && coords[1] < end[1]) ||\n        (start[1] === end[1] && coords[1] === start[1] && coords[0] > start[0] && coords[0] < end[0]) ||\n        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]);\n  }\n\n  /**\n   * Selects word at the current mouse event coordinates.\n   * @param event The mouse event.\n   */\n  public selectWordAtCursor(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._selectWordAt(coords, false);\n      this._model.selectionEnd = null;\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._model.isSelectAllActive = true;\n    this.refresh();\n    this._terminal.emit('selection');\n  }\n\n  public selectLines(start: number, end: number): void {\n    this._model.clearSelection();\n    start = Math.max(start, 0);\n    end = Math.min(end, this._terminal.buffer.lines.length - 1);\n    this._model.selectionStart = [0, start];\n    this._model.selectionEnd = [this._terminal.cols, end];\n    this.refresh();\n    this._terminal.emit('selection');\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   */\n  private _onTrim(amount: number): void {\n    const needsRefresh = this._model.onTrim(amount);\n    if (needsRefresh) {\n      this.refresh();\n    }\n  }\n\n  /**\n   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n   * @param event The mouse event.\n   */\n  private _getMouseBufferCoords(event: MouseEvent): [number, number] {\n    const coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows, true);\n    if (!coords) {\n      return null;\n    }\n\n    // Convert to 0-based\n    coords[0]--;\n    coords[1]--;\n\n    // Convert viewport coords to buffer coords\n    coords[1] += this._terminal.buffer.ydisp;\n    return coords;\n  }\n\n  /**\n   * Gets the amount the viewport should be scrolled based on how far out of the\n   * terminal the mouse is.\n   * @param event The mouse event.\n   */\n  private _getMouseEventScrollAmount(event: MouseEvent): number {\n    let offset = MouseHelper.getCoordsRelativeToElement(event, this._terminal.screenElement)[1];\n    const terminalHeight = this._terminal.rows * Math.ceil(this._charMeasure.height * this._terminal.options.lineHeight);\n    if (offset >= 0 && offset <= terminalHeight) {\n      return 0;\n    }\n    if (offset > terminalHeight) {\n      offset -= terminalHeight;\n    }\n\n    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n    offset /= DRAG_SCROLL_MAX_THRESHOLD;\n    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n  }\n\n  /**\n   * Returns whether the selection manager should force selection, regardless of\n   * whether the terminal is in mouse events mode.\n   * @param event The mouse event.\n   */\n  public shouldForceSelection(event: MouseEvent): boolean {\n    if (Browser.isMac) {\n      return event.altKey && this._terminal.options.macOptionClickForcesSelection;\n    }\n\n    return event.shiftKey;\n  }\n\n  /**\n   * Handles te mousedown event, setting up for a new selection.\n   * @param event The mousedown event.\n   */\n  public onMouseDown(event: MouseEvent): void {\n    this._mouseDownTimeStamp = event.timeStamp;\n    // If we have selection, we want the context menu on right click even if the\n    // terminal is in mouse mode.\n    if (event.button === 2 && this.hasSelection) {\n      return;\n    }\n\n    // Only action the primary button\n    if (event.button !== 0) {\n      return;\n    }\n\n    // Allow selection when using a specific modifier key, even when disabled\n    if (!this._enabled) {\n      if (!this.shouldForceSelection(event)) {\n        return;\n      }\n\n      // Don't send the mouse down event to the current process, we want to select\n      event.stopPropagation();\n    }\n\n    // Tell the browser not to start a regular selection\n    event.preventDefault();\n\n    // Reset drag scroll state\n    this._dragScrollAmount = 0;\n\n    if (this._enabled && event.shiftKey) {\n      this._onIncrementalClick(event);\n    } else {\n      if (event.detail === 1) {\n        this._onSingleClick(event);\n      } else if (event.detail === 2) {\n        this._onDoubleClick(event);\n      } else if (event.detail === 3) {\n        this._onTripleClick(event);\n      }\n    }\n\n    this._addMouseDownListeners();\n    this.refresh(true);\n  }\n\n  /**\n   * Adds listeners when mousedown is triggered.\n   */\n  private _addMouseDownListeners(): void {\n    // Listen on the document so that dragging outside of viewport works\n    this._terminal.element.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n    this._terminal.element.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n    this._dragScrollIntervalTimer = setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n  }\n\n  /**\n   * Removes the listeners that are registered when mousedown is triggered.\n   */\n  private _removeMouseDownListeners(): void {\n    if (this._terminal.element.ownerDocument) {\n      this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n      this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n    }\n    clearInterval(this._dragScrollIntervalTimer);\n    this._dragScrollIntervalTimer = null;\n  }\n\n  /**\n   * Performs an incremental click, setting the selection end position to the mouse\n   * position.\n   * @param event The mouse event.\n   */\n  private _onIncrementalClick(event: MouseEvent): void {\n    if (this._model.selectionStart) {\n      this._model.selectionEnd = this._getMouseBufferCoords(event);\n    }\n  }\n\n  /**\n   * Performs a single click, resetting relevant state and setting the selection\n   * start position.\n   * @param event The mouse event.\n   */\n  private _onSingleClick(event: MouseEvent): void {\n    this._model.selectionStartLength = 0;\n    this._model.isSelectAllActive = false;\n    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;\n\n    // Initialize the new selection\n    this._model.selectionStart = this._getMouseBufferCoords(event);\n    if (!this._model.selectionStart) {\n      return;\n    }\n    this._model.selectionEnd = null;\n\n    // Ensure the line exists\n    const line = this._buffer.lines.get(this._model.selectionStart[1]);\n    if (!line) {\n      return;\n    }\n\n    // Return early if the click event is not in the buffer (eg. in scroll bar)\n    if (line.length >= this._model.selectionStart[0]) {\n      return;\n    }\n\n    // If the mouse is over the second half of a wide character, adjust the\n    // selection to cover the whole character\n    const char = line.get(this._model.selectionStart[0]);\n    if (char[CHAR_DATA_WIDTH_INDEX] === 0) {\n      this._model.selectionStart[0]++;\n    }\n  }\n\n  /**\n   * Performs a double click, selecting the current work.\n   * @param event The mouse event.\n   */\n  private _onDoubleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.WORD;\n      this._selectWordAt(coords, true);\n    }\n  }\n\n  /**\n   * Performs a triple click, selecting the current line and activating line\n   * select mode.\n   * @param event The mouse event.\n   */\n  private _onTripleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.LINE;\n      this._selectLineAt(coords[1]);\n    }\n  }\n\n  /**\n   * Returns whether the selection manager should operate in column select mode\n   * @param event the mouse or keyboard event\n   */\n  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {\n    return event.altKey && !(Browser.isMac && this._terminal.options.macOptionClickForcesSelection);\n  }\n\n  /**\n   * Handles the mousemove event when the mouse button is down, recording the\n   * end of the selection and refreshing the selection.\n   * @param event The mousemove event.\n   */\n  private _onMouseMove(event: MouseEvent): void {\n    // If the mousemove listener is active it means that a selection is\n    // currently being made, we should stop propogation to prevent mouse events\n    // to be sent to the pty.\n    event.stopImmediatePropagation();\n\n    // Record the previous position so we know whether to redraw the selection\n    // at the end.\n    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n    // Set the initial selection end based on the mouse coordinates\n    this._model.selectionEnd = this._getMouseBufferCoords(event);\n    if (!this._model.selectionEnd) {\n      this.refresh(true);\n      return;\n    }\n\n    // Select the entire line if line select mode is active.\n    if (this._activeSelectionMode === SelectionMode.LINE) {\n      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n        this._model.selectionEnd[0] = 0;\n      } else {\n        this._model.selectionEnd[0] = this._terminal.cols;\n      }\n    } else if (this._activeSelectionMode === SelectionMode.WORD) {\n      this._selectToWordAt(this._model.selectionEnd);\n    }\n\n    // Determine the amount of scrolling that will happen.\n    this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n    // If the cursor was above or below the viewport, make sure it's at the\n    // start or end of the viewport respectively. This should only happen when\n    // NOT in column select mode.\n    if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n      if (this._dragScrollAmount > 0) {\n        this._model.selectionEnd[0] = this._terminal.cols;\n      } else if (this._dragScrollAmount < 0) {\n        this._model.selectionEnd[0] = 0;\n      }\n    }\n\n    // If the character is a wide character include the cell to the right in the\n    // selection. Note that selections at the very end of the line will never\n    // have a character.\n    if (this._model.selectionEnd[1] < this._buffer.lines.length) {\n      const char = this._buffer.lines.get(this._model.selectionEnd[1]).get(this._model.selectionEnd[0]);\n      if (char && char[CHAR_DATA_WIDTH_INDEX] === 0) {\n        this._model.selectionEnd[0]++;\n      }\n    }\n\n    // Only draw here if the selection changes.\n    if (!previousSelectionEnd ||\n      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n   * scrolling of the viewport.\n   */\n  private _dragScroll(): void {\n    if (this._dragScrollAmount) {\n      this._terminal.scrollLines(this._dragScrollAmount, false);\n      // Re-evaluate selection\n      // If the cursor was above or below the viewport, make sure it's at the\n      // start or end of the viewport respectively. This should only happen when\n      // NOT in column select mode.\n      if (this._dragScrollAmount > 0) {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = this._terminal.cols;\n        }\n        this._model.selectionEnd[1] = Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1);\n      } else {\n        if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n          this._model.selectionEnd[0] = 0;\n        }\n        this._model.selectionEnd[1] = this._terminal.buffer.ydisp;\n      }\n      this.refresh();\n    }\n  }\n\n  /**\n   * Handles the mouseup event, removing the mousedown listeners.\n   * @param event The mouseup event.\n   */\n  private _onMouseUp(event: MouseEvent): void {\n    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;\n\n    this._removeMouseDownListeners();\n\n    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {\n      (new AltClickHandler(event, this._terminal)).move();\n    } else if (this.hasSelection) {\n      this._terminal.emit('selection');\n    }\n  }\n\n  private _onBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {\n    this.clearSelection();\n    // Only adjust the selection on trim, shiftElements is rarely used (only in\n    // reverseIndex) and delete in a splice is only ever used when the same\n    // number of elements was just added. Given this is could actually be\n    // beneficial to leave the selection as is for these cases.\n    e.inactiveBuffer.lines.off('trim', this._trimListener);\n    e.activeBuffer.lines.on('trim', this._trimListener);\n  }\n\n  /**\n   * Converts a viewport column to the character index on the buffer line, the\n   * latter takes into account wide characters.\n   * @param coords The coordinates to find the 2 index for.\n   */\n  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, coords: [number, number]): number {\n    let charIndex = coords[0];\n    for (let i = 0; coords[0] >= i; i++) {\n      const char = bufferLine.get(i);\n      if (char[CHAR_DATA_WIDTH_INDEX] === 0) {\n        // Wide characters aren't included in the line string so decrement the\n        // index so the index is back on the wide character.\n        charIndex--;\n      } else if (char[CHAR_DATA_CHAR_INDEX].length > 1 && coords[0] !== i) {\n        // Emojis take up multiple characters, so adjust accordingly. For these\n        // we don't want ot include the character at the column as we're\n        // returning the start index in the string, not the end index.\n        charIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;\n      }\n    }\n    return charIndex;\n  }\n\n  public setSelection(col: number, row: number, length: number): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this._model.selectionStart = [col, row];\n    this._model.selectionStartLength = length;\n    this.refresh();\n  }\n\n  /**\n   * Gets positional information for the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition {\n    // Ensure coords are within viewport (eg. not within scroll bar)\n    if (coords[0] >= this._terminal.cols) {\n      return null;\n    }\n\n    const bufferLine = this._buffer.lines.get(coords[1]);\n    if (!bufferLine) {\n      return null;\n    }\n\n    const line = this._buffer.translateBufferLineToString(coords[1], false);\n\n    // Get actual index, taking into consideration wide characters\n    let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n    let endIndex = startIndex;\n\n    // Record offset to be used later\n    const charOffset = coords[0] - startIndex;\n    let leftWideCharCount = 0;\n    let rightWideCharCount = 0;\n    let leftLongCharOffset = 0;\n    let rightLongCharOffset = 0;\n\n    if (line.charAt(startIndex) === ' ') {\n      // Expand until non-whitespace is hit\n      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n        startIndex--;\n      }\n      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n        endIndex++;\n      }\n    } else {\n      // Expand until whitespace is hit. This algorithm works by scanning left\n      // and right from the starting position, keeping both the index format\n      // (line) and the column format (bufferLine) in sync. When a wide\n      // character is hit, it is recorded and the column index is adjusted.\n      let startCol = coords[0];\n      let endCol = coords[0];\n\n      // Consider the initial position, skip it and increment the wide char\n      // variable\n      if (bufferLine.get(startCol)[CHAR_DATA_WIDTH_INDEX] === 0) {\n        leftWideCharCount++;\n        startCol--;\n      }\n      if (bufferLine.get(endCol)[CHAR_DATA_WIDTH_INDEX] === 2) {\n        rightWideCharCount++;\n        endCol++;\n      }\n\n      // Adjust the end index for characters whose length are > 1 (emojis)\n      if (bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length > 1) {\n        rightLongCharOffset += bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length - 1;\n        endIndex += bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length - 1;\n      }\n\n      // Expand the string in both directions until a space is hit\n      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.get(startCol - 1))) {\n        const char = bufferLine.get(startCol - 1);\n        if (char[CHAR_DATA_WIDTH_INDEX] === 0) {\n          // If the next character is a wide char, record it and skip the column\n          leftWideCharCount++;\n          startCol--;\n        } else if (char[CHAR_DATA_CHAR_INDEX].length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          leftLongCharOffset += char[CHAR_DATA_CHAR_INDEX].length - 1;\n          startIndex -= char[CHAR_DATA_CHAR_INDEX].length - 1;\n        }\n        startIndex--;\n        startCol--;\n      }\n      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.get(endCol + 1))) {\n        const char = bufferLine.get(endCol + 1);\n        if (char[CHAR_DATA_WIDTH_INDEX] === 2) {\n          // If the next character is a wide char, record it and skip the column\n          rightWideCharCount++;\n          endCol++;\n        } else if (char[CHAR_DATA_CHAR_INDEX].length > 1) {\n          // If the next character's string is longer than 1 char (eg. emoji),\n          // adjust the index\n          rightLongCharOffset += char[CHAR_DATA_CHAR_INDEX].length - 1;\n          endIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;\n        }\n        endIndex++;\n        endCol++;\n      }\n    }\n\n    // Incremenet the end index so it is at the start of the next character\n    endIndex++;\n\n    // Calculate the start _column_, converting the the string indexes back to\n    // column coordinates.\n    let start =\n        startIndex // The index of the selection's start char in the line string\n        + charOffset // The difference between the initial char's column and index\n        - leftWideCharCount // The number of wide chars left of the initial char\n        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n\n    // Calculate the length in _columns_, converting the the string indexes back\n    // to column coordinates.\n    let length = Math.min(this._terminal.cols, // Disallow lengths larger than the terminal cols\n        endIndex // The index of the selection's end char in the line string\n        - startIndex // The index of the selection's start char in the line string\n        + leftWideCharCount // The number of wide chars left of the initial char\n        + rightWideCharCount // The number of wide chars right of the initial char (inclusive)\n        - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n        - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)\n\n    if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {\n      return null;\n    }\n\n    // Recurse upwards if the line is wrapped and the word wraps to the above line\n    if (followWrappedLinesAbove) {\n      if (start === 0 && bufferLine.get(0)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {\n        const previousBufferLine = this._buffer.lines.get(coords[1] - 1);\n        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.get(this._terminal.cols - 1)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {\n          const previousLineWordPosition = this._getWordAt([this._terminal.cols - 1, coords[1] - 1], false, true, false);\n          if (previousLineWordPosition) {\n            const offset = this._terminal.cols - previousLineWordPosition.start;\n            start -= offset;\n            length += offset;\n          }\n        }\n      }\n    }\n\n    // Recurse downwards if the line is wrapped and the word wraps to the next line\n    if (followWrappedLinesBelow) {\n      if (start + length === this._terminal.cols && bufferLine.get(this._terminal.cols - 1)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {\n        const nextBufferLine = this._buffer.lines.get(coords[1] + 1);\n        if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.get(0)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {\n          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);\n          if (nextLineWordPosition) {\n            length += nextLineWordPosition.length;\n          }\n        }\n      }\n    }\n\n    return { start, length };\n  }\n\n  /**\n   * Selects the word at the coordinates specified.\n   * @param coords The coordinates to get the word at.\n   * @param allowWhitespaceOnlySelection If whitespace should be selected\n   */\n  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {\n    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);\n    if (wordPosition) {\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._terminal.cols;\n        coords[1]--;\n      }\n      this._model.selectionStart = [wordPosition.start, coords[1]];\n      this._model.selectionStartLength = wordPosition.length;\n    }\n  }\n\n  /**\n   * Sets the selection end to the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _selectToWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords, true);\n    if (wordPosition) {\n      let endRow = coords[1];\n\n      // Adjust negative start value\n      while (wordPosition.start < 0) {\n        wordPosition.start += this._terminal.cols;\n        endRow--;\n      }\n\n      // Adjust wrapped length value, this only needs to happen when values are reversed as in that\n      // case we're interested in the start of the word, not the end\n      if (!this._model.areSelectionValuesReversed()) {\n        while (wordPosition.start + wordPosition.length > this._terminal.cols) {\n          wordPosition.length -= this._terminal.cols;\n          endRow++;\n        }\n      }\n\n      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];\n    }\n  }\n\n  /**\n   * Gets whether the character is considered a word separator by the select\n   * word logic.\n   * @param char The character to check.\n   */\n  private _isCharWordSeparator(charData: CharData): boolean {\n    // Zero width characters are never separators as they are always to the\n    // right of wide characters\n    if (charData[CHAR_DATA_WIDTH_INDEX] === 0) {\n      return false;\n    }\n    return WORD_SEPARATORS.indexOf(charData[CHAR_DATA_CHAR_INDEX]) >= 0;\n  }\n\n  /**\n   * Selects the line specified.\n   * @param line The line index.\n   */\n  protected _selectLineAt(line: number): void {\n    const wrappedRange = this._buffer.getWrappedRangeForLine(line);\n    this._model.selectionStart = [0, wrappedRange.first];\n    this._model.selectionEnd = [this._terminal.cols, wrappedRange.last];\n    this._model.selectionStartLength = 0;\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IMouseZoneManager } from './ui/Types';\nimport { ILinkHoverEvent, ILinkMatcher, LinkMatcherHandler, LinkHoverEventTypes, ILinkMatcherOptions, ILinkifier, ITerminal, IBufferStringIteratorResult } from './Types';\nimport { MouseZone } from './ui/MouseZoneManager';\nimport { EventEmitter } from './common/EventEmitter';\nimport { CHAR_DATA_ATTR_INDEX } from './Buffer';\nimport { getStringCellWidth } from './CharWidth';\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier extends EventEmitter implements ILinkifier {\n  /**\n   * The time to wait after a row is changed before it is linkified. This prevents\n   * the costly operation of searching every row multiple times, potentially a\n   * huge amount of times.\n   */\n  protected static readonly TIME_BEFORE_LINKIFY = 200;\n\n  /**\n   * Limit of the unwrapping line expansion (overscan) at the top and bottom\n   * of the actual viewport in ASCII characters.\n   * A limit of 2000 should match most sane urls.\n   */\n  protected static readonly OVERSCAN_CHAR_LIMIT = 2000;\n\n  protected _linkMatchers: ILinkMatcher[] = [];\n\n  private _mouseZoneManager: IMouseZoneManager;\n  private _rowsTimeoutId: number;\n  private _nextLinkMatcherId = 0;\n  private _rowsToLinkify: { start: number, end: number };\n\n  constructor(\n    protected _terminal: ITerminal\n  ) {\n    super();\n    this._rowsToLinkify = {\n      start: null,\n      end: null\n    };\n  }\n\n  /**\n   * Attaches the linkifier to the DOM, enabling linkification.\n   * @param mouseZoneManager The mouse zone manager to register link zones with.\n   */\n  public attachToDom(mouseZoneManager: IMouseZoneManager): void {\n    this._mouseZoneManager = mouseZoneManager;\n  }\n\n  /**\n   * Queue linkification on a set of rows.\n   * @param start The row to linkify from (inclusive).\n   * @param end The row to linkify to (inclusive).\n   */\n  public linkifyRows(start: number, end: number): void {\n    // Don't attempt linkify if not yet attached to DOM\n    if (!this._mouseZoneManager) {\n      return;\n    }\n\n    // Increase range to linkify\n    if (this._rowsToLinkify.start === null) {\n      this._rowsToLinkify.start = start;\n      this._rowsToLinkify.end = end;\n    } else {\n      this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start);\n      this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end);\n    }\n\n    // Clear out any existing links on this row range\n    this._mouseZoneManager.clearAll(start, end);\n\n    // Restart timer\n    if (this._rowsTimeoutId) {\n      clearTimeout(this._rowsTimeoutId);\n    }\n    this._rowsTimeoutId = <number><any>setTimeout(() => this._linkifyRows(), Linkifier.TIME_BEFORE_LINKIFY);\n  }\n\n  /**\n   * Linkifies the rows requested.\n   */\n  private _linkifyRows(): void {\n    this._rowsTimeoutId = null;\n    const buffer = this._terminal.buffer;\n\n    // Ensure the start row exists\n    const absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;\n    if (absoluteRowIndexStart >= buffer.lines.length) {\n      return;\n    }\n\n    // Invalidate bad end row values (if a resize happened)\n    const absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._terminal.rows) + 1;\n\n    // Iterate over the range of unwrapped content strings within start..end\n    // (excluding).\n    // _doLinkifyRow gets full unwrapped lines with the start row as buffer offset\n    // for every matcher.\n    // The unwrapping is needed to also match content that got wrapped across\n    // several buffer lines. To avoid a worst case scenario where the whole buffer\n    // contains just a single unwrapped string we limit this line expansion beyond\n    // the viewport to +OVERSCAN_CHAR_LIMIT chars (overscan) at top and bottom.\n    // This comes with the tradeoff that matches longer than OVERSCAN_CHAR_LIMIT\n    // chars will not match anymore at the viewport borders.\n    const overscanLineLimit = Math.ceil(Linkifier.OVERSCAN_CHAR_LIMIT / this._terminal.cols);\n    const iterator = this._terminal.buffer.iterator(\n      false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);\n    while (iterator.hasNext()) {\n      const lineData: IBufferStringIteratorResult = iterator.next();\n      for (let i = 0; i < this._linkMatchers.length; i++) {\n        this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);\n      }\n    }\n\n    this._rowsToLinkify.start = null;\n    this._rowsToLinkify.end = null;\n  }\n\n  /**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param regex The regular expression to search for. Specifically, this\n   * searches the textContent of the rows. You will want to use \\s to match a\n   * space ' ' character for example.\n   * @param handler The callback when the link is called.\n   * @param options Options for the link matcher.\n   * @return The ID of the new matcher, this can be used to deregister.\n   */\n  public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: ILinkMatcherOptions = {}): number {\n    if (!handler) {\n      throw new Error('handler must be defined');\n    }\n    const matcher: ILinkMatcher = {\n      id: this._nextLinkMatcherId++,\n      regex,\n      handler,\n      matchIndex: options.matchIndex,\n      validationCallback: options.validationCallback,\n      hoverTooltipCallback: options.tooltipCallback,\n      hoverLeaveCallback: options.leaveCallback,\n      willLinkActivate: options.willLinkActivate,\n      priority: options.priority || 0\n    };\n    this._addLinkMatcherToList(matcher);\n    return matcher.id;\n  }\n\n  /**\n   * Inserts a link matcher to the list in the correct position based on the\n   * priority of each link matcher. New link matchers of equal priority are\n   * considered after older link matchers.\n   * @param matcher The link matcher to be added.\n   */\n  private _addLinkMatcherToList(matcher: ILinkMatcher): void {\n    if (this._linkMatchers.length === 0) {\n      this._linkMatchers.push(matcher);\n      return;\n    }\n\n    for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n      if (matcher.priority <= this._linkMatchers[i].priority) {\n        this._linkMatchers.splice(i + 1, 0, matcher);\n        return;\n      }\n    }\n\n    this._linkMatchers.splice(0, 0, matcher);\n  }\n\n  /**\n   * Deregisters a link matcher if it has been registered.\n   * @param matcherId The link matcher's ID (returned after register)\n   * @return Whether a link matcher was found and deregistered.\n   */\n  public deregisterLinkMatcher(matcherId: number): boolean {\n    for (let i = 0; i < this._linkMatchers.length; i++) {\n      if (this._linkMatchers[i].id === matcherId) {\n        this._linkMatchers.splice(i, 1);\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Linkifies a row given a specific handler.\n   * @param rowIndex The row index to linkify (absolute index).\n   * @param text string content of the unwrapped row.\n   * @param matcher The link matcher for this line.\n   */\n  private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher): void {\n    // clone regex to do a global search on text\n    const rex = new RegExp(matcher.regex.source, matcher.regex.flags + 'g');\n    let match;\n    let stringIndex = -1;\n    while ((match = rex.exec(text)) !== null) {\n      const uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n      if (!uri) {\n        // something matched but does not comply with the given matchIndex\n        // since this is most likely a bug the regex itself we simply do nothing here\n        // DEBUG: print match and throw\n        if ((<any>this._terminal).debug) {\n          console.log({match, matcher});\n          throw new Error('match found without corresponding matchIndex');\n        }\n        break;\n      }\n\n      // Get index, match.index is for the outer match which includes negated chars\n      // therefore we cannot use match.index directly, instead we search the position\n      // of the match group in text again\n      // also correct regex and string search offsets for the next loop run\n      stringIndex = text.indexOf(uri, stringIndex + 1);\n      rex.lastIndex = stringIndex + uri.length;\n\n      // get the buffer index as [absolute row, col] for the match\n      const bufferIndex = this._terminal.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);\n\n      const line = this._terminal.buffer.lines.get(bufferIndex[0]);\n      const char = line.get(bufferIndex[1]);\n      let fg: number | undefined;\n      if (char) {\n        const attr: number = char[CHAR_DATA_ATTR_INDEX];\n        fg = (attr >> 9) & 0x1ff;\n      }\n\n      if (matcher.validationCallback) {\n        matcher.validationCallback(uri, isValid => {\n          // Discard link if the line has already changed\n          if (this._rowsTimeoutId) {\n            return;\n          }\n          if (isValid) {\n            this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);\n          }\n        });\n      } else {\n        this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);\n      }\n    }\n  }\n\n  /**\n   * Registers a link to the mouse zone manager.\n   * @param x The column the link starts.\n   * @param y The row the link is on.\n   * @param uri The URI of the link.\n   * @param matcher The link matcher for the link.\n   * @param fg The link color for hover event.\n   */\n  private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number): void {\n    const width = getStringCellWidth(uri);\n    const x1 = x % this._terminal.cols;\n    const y1 = y + Math.floor(x / this._terminal.cols);\n    let x2 = (x1 + width) % this._terminal.cols;\n    let y2 = y1 + Math.floor((x1 + width) / this._terminal.cols);\n    if (x2 === 0) {\n      x2 = this._terminal.cols;\n      y2--;\n    }\n\n    this._mouseZoneManager.add(new MouseZone(\n      x1 + 1,\n      y1 + 1,\n      x2 + 1,\n      y2 + 1,\n      e => {\n        if (matcher.handler) {\n          return matcher.handler(e, uri);\n        }\n        window.open(uri, '_blank');\n      },\n      e => {\n        this.emit(LinkHoverEventTypes.HOVER, this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n        this._terminal.element.classList.add('xterm-cursor-pointer');\n      },\n      e => {\n        this.emit(LinkHoverEventTypes.TOOLTIP, this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n        if (matcher.hoverTooltipCallback) {\n          matcher.hoverTooltipCallback(e, uri);\n        }\n      },\n      () => {\n        this.emit(LinkHoverEventTypes.LEAVE, this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n        this._terminal.element.classList.remove('xterm-cursor-pointer');\n        if (matcher.hoverLeaveCallback) {\n          matcher.hoverLeaveCallback();\n        }\n      },\n      e => {\n        if (matcher.willLinkActivate) {\n          return matcher.willLinkActivate(e, uri);\n        }\n        return true;\n      }\n    ));\n  }\n\n  private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number): ILinkHoverEvent {\n    return { x1, y1, x2, y2, cols: this._terminal.cols, fg };\n  }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IInputHandler, IDcsHandler, IEscapeSequenceParser, IBuffer, IInputHandlingTerminal } from './Types';\nimport { C0, C1 } from './common/data/EscapeSequences';\nimport { CHARSETS, DEFAULT_CHARSET } from './core/data/Charsets';\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CODE_INDEX, DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE } from './Buffer';\nimport { FLAGS } from './renderer/Types';\nimport { wcwidth } from './CharWidth';\nimport { EscapeSequenceParser } from './EscapeSequenceParser';\nimport { ICharset } from './core/Types';\nimport { Disposable } from './common/Lifecycle';\nimport { BufferLine } from './BufferLine';\n\n/**\n * Map collect to glevel. Used in `selectCharset`.\n */\nconst GLEVEL: {[key: string]: number} = {'(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2};\n\n\n/**\n * DCS subparser implementations\n */\n\n /**\n  * DCS + q Pt ST (xterm)\n  *   Request Terminfo String\n  *   not supported\n  */\nclass RequestTerminfo implements IDcsHandler {\n  private _data: string;\n  constructor(private _terminal: any) { }\n  hook(collect: string, params: number[], flag: number): void {\n    this._data = '';\n  }\n  put(data: string, start: number, end: number): void {\n    this._data += data.substring(start, end);\n  }\n  unhook(): void {\n    // invalid: DCS 0 + r Pt ST\n    this._terminal.handler(`${C0.ESC}P0+r${this._data}${C0.ESC}\\\\`);\n  }\n}\n\n/**\n * DCS $ q Pt ST\n *   DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)\n *   Request Status String (DECRQSS), VT420 and up.\n *   Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)\n */\nclass DECRQSS implements IDcsHandler {\n  private _data: string;\n\n  constructor(private _terminal: any) { }\n\n  hook(collect: string, params: number[], flag: number): void {\n    // reset data\n    this._data = '';\n  }\n\n  put(data: string, start: number, end: number): void {\n    this._data += data.substring(start, end);\n  }\n\n  unhook(): void {\n    switch (this._data) {\n      // valid: DCS 1 $ r Pt ST (xterm)\n      case '\"q': // DECSCA\n        return this._terminal.handler(`${C0.ESC}P1$r0\"q${C0.ESC}\\\\`);\n      case '\"p': // DECSCL\n        return this._terminal.handler(`${C0.ESC}P1$r61\"p${C0.ESC}\\\\`);\n      case 'r': // DECSTBM\n        const pt = '' + (this._terminal.buffer.scrollTop + 1) +\n                ';' + (this._terminal.buffer.scrollBottom + 1) + 'r';\n        return this._terminal.handler(`${C0.ESC}P1$r${pt}${C0.ESC}\\\\`);\n      case 'm': // SGR\n        // TODO: report real settings instead of 0m\n        return this._terminal.handler(`${C0.ESC}P1$r0m${C0.ESC}\\\\`);\n      case ' q': // DECSCUSR\n        const STYLES: {[key: string]: number} = {'block': 2, 'underline': 4, 'bar': 6};\n        let style = STYLES[this._terminal.getOption('cursorStyle')];\n        style -= this._terminal.getOption('cursorBlink');\n        return this._terminal.handler(`${C0.ESC}P1$r${style} q${C0.ESC}\\\\`);\n      default:\n        // invalid: DCS 0 $ r Pt ST (xterm)\n        this._terminal.error('Unknown DCS $q %s', this._data);\n        this._terminal.handler(`${C0.ESC}P0$r${this._data}${C0.ESC}\\\\`);\n    }\n  }\n}\n\n/**\n * DCS Ps; Ps| Pt ST\n *   DECUDK (https://vt100.net/docs/vt510-rm/DECUDK.html)\n *   not supported\n */\n\n /**\n  * DCS + p Pt ST (xterm)\n  *   Set Terminfo Data\n  *   not supported\n  */\n\n\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler extends Disposable implements IInputHandler {\n  private _surrogateHigh: string;\n\n  constructor(\n      protected _terminal: IInputHandlingTerminal,\n      private _parser: IEscapeSequenceParser = new EscapeSequenceParser())\n  {\n    super();\n\n    this.register(this._parser);\n\n    this._surrogateHigh = '';\n\n    /**\n     * custom fallback handlers\n     */\n    this._parser.setCsiHandlerFallback((collect: string, params: number[], flag: number) => {\n      this._terminal.error('Unknown CSI code: ', { collect, params, flag: String.fromCharCode(flag) });\n    });\n    this._parser.setEscHandlerFallback((collect: string, flag: number) => {\n      this._terminal.error('Unknown ESC code: ', { collect, flag: String.fromCharCode(flag) });\n    });\n    this._parser.setExecuteHandlerFallback((code: number) => {\n      this._terminal.error('Unknown EXECUTE code: ', { code });\n    });\n    this._parser.setOscHandlerFallback((identifier: number, data: string) => {\n      this._terminal.error('Unknown OSC code: ', { identifier, data });\n    });\n\n    /**\n     * print handler\n     */\n    this._parser.setPrintHandler((data, start, end): void => this.print(data, start, end));\n\n    /**\n     * CSI handler\n     */\n    this._parser.setCsiHandler('@', (params, collect) => this.insertChars(params));\n    this._parser.setCsiHandler('A', (params, collect) => this.cursorUp(params));\n    this._parser.setCsiHandler('B', (params, collect) => this.cursorDown(params));\n    this._parser.setCsiHandler('C', (params, collect) => this.cursorForward(params));\n    this._parser.setCsiHandler('D', (params, collect) => this.cursorBackward(params));\n    this._parser.setCsiHandler('E', (params, collect) => this.cursorNextLine(params));\n    this._parser.setCsiHandler('F', (params, collect) => this.cursorPrecedingLine(params));\n    this._parser.setCsiHandler('G', (params, collect) => this.cursorCharAbsolute(params));\n    this._parser.setCsiHandler('H', (params, collect) => this.cursorPosition(params));\n    this._parser.setCsiHandler('I', (params, collect) => this.cursorForwardTab(params));\n    this._parser.setCsiHandler('J', (params, collect) => this.eraseInDisplay(params));\n    this._parser.setCsiHandler('K', (params, collect) => this.eraseInLine(params));\n    this._parser.setCsiHandler('L', (params, collect) => this.insertLines(params));\n    this._parser.setCsiHandler('M', (params, collect) => this.deleteLines(params));\n    this._parser.setCsiHandler('P', (params, collect) => this.deleteChars(params));\n    this._parser.setCsiHandler('S', (params, collect) => this.scrollUp(params));\n    this._parser.setCsiHandler('T', (params, collect) => this.scrollDown(params, collect));\n    this._parser.setCsiHandler('X', (params, collect) => this.eraseChars(params));\n    this._parser.setCsiHandler('Z', (params, collect) => this.cursorBackwardTab(params));\n    this._parser.setCsiHandler('`', (params, collect) => this.charPosAbsolute(params));\n    this._parser.setCsiHandler('a', (params, collect) => this.hPositionRelative(params));\n    this._parser.setCsiHandler('b', (params, collect) => this.repeatPrecedingCharacter(params));\n    this._parser.setCsiHandler('c', (params, collect) => this.sendDeviceAttributes(params, collect));\n    this._parser.setCsiHandler('d', (params, collect) => this.linePosAbsolute(params));\n    this._parser.setCsiHandler('e', (params, collect) => this.vPositionRelative(params));\n    this._parser.setCsiHandler('f', (params, collect) => this.hVPosition(params));\n    this._parser.setCsiHandler('g', (params, collect) => this.tabClear(params));\n    this._parser.setCsiHandler('h', (params, collect) => this.setMode(params, collect));\n    this._parser.setCsiHandler('l', (params, collect) => this.resetMode(params, collect));\n    this._parser.setCsiHandler('m', (params, collect) => this.charAttributes(params));\n    this._parser.setCsiHandler('n', (params, collect) => this.deviceStatus(params, collect));\n    this._parser.setCsiHandler('p', (params, collect) => this.softReset(params, collect));\n    this._parser.setCsiHandler('q', (params, collect) => this.setCursorStyle(params, collect));\n    this._parser.setCsiHandler('r', (params, collect) => this.setScrollRegion(params, collect));\n    this._parser.setCsiHandler('s', (params, collect) => this.saveCursor(params));\n    this._parser.setCsiHandler('u', (params, collect) => this.restoreCursor(params));\n\n    /**\n     * execute handler\n     */\n    this._parser.setExecuteHandler(C0.BEL, () => this.bell());\n    this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());\n    this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());\n    this._parser.setExecuteHandler(C0.BS, () => this.backspace());\n    this._parser.setExecuteHandler(C0.HT, () => this.tab());\n    this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());\n    this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());\n    // FIXME:   What do to with missing? Old code just added those to print.\n\n    // some C1 control codes - FIXME: should those be enabled by default?\n    this._parser.setExecuteHandler(C1.IND, () => this.index());\n    this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());\n    this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());\n\n    /**\n     * OSC handler\n     */\n    //   0 - icon name + title\n    this._parser.setOscHandler(0, (data) => this.setTitle(data));\n    //   1 - icon name\n    //   2 - title\n    this._parser.setOscHandler(2, (data) => this.setTitle(data));\n    //   3 - set property X in the form \"prop=value\"\n    //   4 - Change Color Number\n    //   5 - Change Special Color Number\n    //   6 - Enable/disable Special Color Number c\n    //   7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)\n    //  10 - Change VT100 text foreground color to Pt.\n    //  11 - Change VT100 text background color to Pt.\n    //  12 - Change text cursor color to Pt.\n    //  13 - Change mouse foreground color to Pt.\n    //  14 - Change mouse background color to Pt.\n    //  15 - Change Tektronix foreground color to Pt.\n    //  16 - Change Tektronix background color to Pt.\n    //  17 - Change highlight background color to Pt.\n    //  18 - Change Tektronix cursor color to Pt.\n    //  19 - Change highlight foreground color to Pt.\n    //  46 - Change Log File to Pt.\n    //  50 - Set Font to Pt.\n    //  51 - reserved for Emacs shell.\n    //  52 - Manipulate Selection Data.\n    // 104 ; c - Reset Color Number c.\n    // 105 ; c - Reset Special Color Number c.\n    // 106 ; c; f - Enable/disable Special Color Number c.\n    // 110 - Reset VT100 text foreground color.\n    // 111 - Reset VT100 text background color.\n    // 112 - Reset text cursor color.\n    // 113 - Reset mouse foreground color.\n    // 114 - Reset mouse background color.\n    // 115 - Reset Tektronix foreground color.\n    // 116 - Reset Tektronix background color.\n    // 117 - Reset highlight color.\n    // 118 - Reset Tektronix cursor color.\n    // 119 - Reset highlight foreground color.\n\n    /**\n     * ESC handlers\n     */\n    this._parser.setEscHandler('7', () => this.saveCursor([]));\n    this._parser.setEscHandler('8', () => this.restoreCursor([]));\n    this._parser.setEscHandler('D', () => this.index());\n    this._parser.setEscHandler('E', () => this.nextLine());\n    this._parser.setEscHandler('H', () => this.tabSet());\n    this._parser.setEscHandler('M', () => this.reverseIndex());\n    this._parser.setEscHandler('=', () => this.keypadApplicationMode());\n    this._parser.setEscHandler('>', () => this.keypadNumericMode());\n    this._parser.setEscHandler('c', () => this.reset());\n    this._parser.setEscHandler('n', () => this.setgLevel(2));\n    this._parser.setEscHandler('o', () => this.setgLevel(3));\n    this._parser.setEscHandler('|', () => this.setgLevel(3));\n    this._parser.setEscHandler('}', () => this.setgLevel(2));\n    this._parser.setEscHandler('~', () => this.setgLevel(1));\n    this._parser.setEscHandler('%@', () => this.selectDefaultCharset());\n    this._parser.setEscHandler('%G', () => this.selectDefaultCharset());\n    for (const flag in CHARSETS) {\n      this._parser.setEscHandler('(' + flag, () => this.selectCharset('(' + flag));\n      this._parser.setEscHandler(')' + flag, () => this.selectCharset(')' + flag));\n      this._parser.setEscHandler('*' + flag, () => this.selectCharset('*' + flag));\n      this._parser.setEscHandler('+' + flag, () => this.selectCharset('+' + flag));\n      this._parser.setEscHandler('-' + flag, () => this.selectCharset('-' + flag));\n      this._parser.setEscHandler('.' + flag, () => this.selectCharset('.' + flag));\n      this._parser.setEscHandler('/' + flag, () => this.selectCharset('/' + flag)); // TODO: supported?\n    }\n\n    /**\n     * error handler\n     */\n    this._parser.setErrorHandler((state) => {\n      this._terminal.error('Parsing error: ', state);\n      return state;\n    });\n\n    /**\n     * DCS handler\n     */\n    this._parser.setDcsHandler('$q', new DECRQSS(this._terminal));\n    this._parser.setDcsHandler('+q', new RequestTerminfo(this._terminal));\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._terminal = null;\n  }\n\n  public parse(data: string): void {\n    // Ensure the terminal is not disposed\n    if (!this._terminal) {\n      return;\n    }\n\n    let buffer = this._terminal.buffer;\n    const cursorStartX = buffer.x;\n    const cursorStartY = buffer.y;\n\n    // TODO: Consolidate debug/logging #1560\n    if ((<any>this._terminal).debug) {\n      this._terminal.log('data: ' + data);\n    }\n\n    // apply leftover surrogate high from last write\n    if (this._surrogateHigh) {\n      data = this._surrogateHigh + data;\n      this._surrogateHigh = '';\n    }\n\n    this._parser.parse(data);\n\n    buffer = this._terminal.buffer;\n    if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) {\n      this._terminal.emit('cursormove');\n    }\n  }\n\n  public print(data: string, start: number, end: number): void {\n    let char: string;\n    let code: number;\n    let low: number;\n    let chWidth: number;\n    const buffer: IBuffer = this._terminal.buffer;\n    const charset: ICharset = this._terminal.charset;\n    const screenReaderMode: boolean = this._terminal.options.screenReaderMode;\n    const cols: number = this._terminal.cols;\n    const wraparoundMode: boolean = this._terminal.wraparoundMode;\n    const insertMode: boolean = this._terminal.insertMode;\n    const curAttr: number = this._terminal.curAttr;\n    let bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n\n    this._terminal.updateRange(buffer.y);\n    for (let stringPosition = start; stringPosition < end; ++stringPosition) {\n      char = data.charAt(stringPosition);\n      code = data.charCodeAt(stringPosition);\n\n      // surrogate pair handling\n      if (0xD800 <= code && code <= 0xDBFF) {\n        // we got a surrogate high\n        // get surrogate low (next 2 bytes)\n        low = data.charCodeAt(stringPosition + 1);\n        if (isNaN(low)) {\n          // end of data stream, save surrogate high\n          this._surrogateHigh = char;\n          continue;\n        }\n        code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n        char += data.charAt(stringPosition + 1);\n      }\n      // surrogate low - already handled above\n      if (0xDC00 <= code && code <= 0xDFFF) {\n        continue;\n      }\n\n      // calculate print space\n      // expensive call, therefore we save width in line buffer\n      chWidth = wcwidth(code);\n\n      // get charset replacement character\n      if (charset) {\n        char = charset[char] || char;\n        code = char.charCodeAt(0);\n      }\n\n      if (screenReaderMode) {\n        this._terminal.emit('a11y.char', char);\n      }\n\n      // insert combining char at last cursor position\n      // FIXME: needs handling after cursor jumps\n      // buffer.x should never be 0 for a combining char\n      // since they always follow a cell consuming char\n      // therefore we can test for buffer.x to avoid overflow left\n      if (!chWidth && buffer.x) {\n        const chMinusOne = bufferRow.get(buffer.x - 1);\n        if (chMinusOne) {\n          if (!chMinusOne[CHAR_DATA_WIDTH_INDEX]) {\n            // found empty cell after fullwidth, need to go 2 cells back\n            // it is save to step 2 cells back here\n            // since an empty cell is only set by fullwidth chars\n            const chMinusTwo = bufferRow.get(buffer.x - 2);\n            if (chMinusTwo) {\n              chMinusTwo[CHAR_DATA_CHAR_INDEX] += char;\n              chMinusTwo[CHAR_DATA_CODE_INDEX] = code;\n            }\n          } else {\n            chMinusOne[CHAR_DATA_CHAR_INDEX] += char;\n            chMinusOne[CHAR_DATA_CODE_INDEX] = code;\n          }\n        }\n        continue;\n      }\n\n      // goto next line if ch would overflow\n      // TODO: needs a global min terminal width of 2\n      if (buffer.x + chWidth - 1 >= cols) {\n        // autowrap - DECAWM\n        // automatically wraps to the beginning of the next line\n        if (wraparoundMode) {\n          buffer.x = 0;\n          buffer.y++;\n          if (buffer.y > buffer.scrollBottom) {\n            buffer.y--;\n            this._terminal.scroll(true);\n          } else {\n            // The line already exists (eg. the initial viewport), mark it as a\n            // wrapped line\n            buffer.lines.get(buffer.y).isWrapped = true;\n          }\n          // row changed, get it again\n          bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n        } else {\n          if (chWidth === 2) {\n            // FIXME: check for xterm behavior\n            // What to do here? We got a wide char that does not fit into last cell\n            continue;\n          }\n          // FIXME: Do we have to set buffer.x to cols - 1, if not wrapping?\n        }\n      }\n\n      // insert mode: move characters to right\n      // To achieve insert, we remove cells from the right\n      // and insert empty ones at cursor position\n      if (insertMode) {\n        // do this twice for a fullwidth char\n        for (let moves = 0; moves < chWidth; ++moves) {\n          // remove last cell\n          // if it's width is 0, we have to adjust the second last cell as well\n          const removed = bufferRow.pop();\n          const chMinusTwo = bufferRow.get(buffer.x - 2);\n          if (removed[CHAR_DATA_WIDTH_INDEX] === 0\n              && chMinusTwo\n              && chMinusTwo[CHAR_DATA_WIDTH_INDEX] === 2) {\n                bufferRow.set(this._terminal.cols - 2, [curAttr, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n          }\n\n          // insert empty cell at cursor\n          bufferRow.splice(buffer.x, 0, [curAttr, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n        }\n      }\n\n      // write current char to buffer and advance cursor\n      bufferRow.set(buffer.x++, [curAttr, char, chWidth, code]);\n\n      // fullwidth char - also set next cell to placeholder stub and advance cursor\n      if (chWidth === 2) {\n        bufferRow.set(buffer.x++, [curAttr, '', 0, undefined]);\n      }\n    }\n    this._terminal.updateRange(buffer.y);\n  }\n\n  /**\n   * BEL\n   * Bell (Ctrl-G).\n   */\n  public bell(): void {\n    this._terminal.bell();\n  }\n\n  /**\n   * LF\n   * Line Feed or New Line (NL).  (LF  is Ctrl-J).\n   */\n  public lineFeed(): void {\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n\n    if (this._terminal.options.convertEol) {\n      buffer.x = 0;\n    }\n    buffer.y++;\n    if (buffer.y > buffer.scrollBottom) {\n      buffer.y--;\n      this._terminal.scroll();\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (buffer.x >= this._terminal.cols) {\n      buffer.x--;\n    }\n    /**\n     * This event is emitted whenever the terminal outputs a LF or NL.\n     *\n     * @event linefeed\n     */\n    this._terminal.emit('linefeed');\n  }\n\n  /**\n   * CR\n   * Carriage Return (Ctrl-M).\n   */\n  public carriageReturn(): void {\n    this._terminal.buffer.x = 0;\n  }\n\n  /**\n   * BS\n   * Backspace (Ctrl-H).\n   */\n  public backspace(): void {\n    if (this._terminal.buffer.x > 0) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * TAB\n   * Horizontal Tab (HT) (Ctrl-I).\n   */\n  public tab(): void {\n    const originalX = this._terminal.buffer.x;\n    this._terminal.buffer.x = this._terminal.buffer.nextStop();\n    if (this._terminal.options.screenReaderMode) {\n      this._terminal.emit('a11y.tab', this._terminal.buffer.x - originalX);\n    }\n  }\n\n  /**\n   * SO\n   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the\n   * G1 character set.\n   */\n  public shiftOut(): void {\n    this._terminal.setgLevel(1);\n  }\n\n  /**\n   * SI\n   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0\n   * character set (the default).\n   */\n  public shiftIn(): void {\n    this._terminal.setgLevel(0);\n  }\n\n  /**\n   * CSI Ps @\n   * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n   */\n  public insertChars(params: number[]): void {\n    this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).insertCells(\n      this._terminal.buffer.x,\n      params[0] || 1,\n      [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]\n    );\n    this._terminal.updateRange(this._terminal.buffer.y);\n  }\n\n  /**\n   * CSI Ps A\n   * Cursor Up Ps Times (default = 1) (CUU).\n   */\n  public cursorUp(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n  }\n\n  /**\n   * CSI Ps B\n   * Cursor Down Ps Times (default = 1) (CUD).\n   */\n  public cursorDown(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps C\n   * Cursor Forward Ps Times (default = 1) (CUF).\n   */\n  public cursorForward(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps D\n   * Cursor Backward Ps Times (default = 1) (CUB).\n   */\n  public cursorBackward(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n    this._terminal.buffer.x -= param;\n    if (this._terminal.buffer.x < 0) {\n      this._terminal.buffer.x = 0;\n    }\n  }\n\n  /**\n   * CSI Ps E\n   * Cursor Next Line Ps Times (default = 1) (CNL).\n   * same as CSI Ps B ?\n   */\n  public cursorNextLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps F\n   * Cursor Preceding Line Ps Times (default = 1) (CNL).\n   * reuse CSI Ps A ?\n   */\n  public cursorPrecedingLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps G\n   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).\n   */\n  public cursorCharAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n  }\n\n  /**\n   * CSI Ps ; Ps H\n   * Cursor Position [row;column] (default = [1,1]) (CUP).\n   */\n  public cursorPosition(params: number[]): void {\n    let col: number;\n    let row: number = params[0] - 1;\n\n    if (params.length >= 2) {\n      col = params[1] - 1;\n    } else {\n      col = 0;\n    }\n\n    if (row < 0) {\n      row = 0;\n    } else if (row >= this._terminal.rows) {\n      row = this._terminal.rows - 1;\n    }\n\n    if (col < 0) {\n      col = 0;\n    } else if (col >= this._terminal.cols) {\n      col = this._terminal.cols - 1;\n    }\n\n    this._terminal.buffer.x = col;\n    this._terminal.buffer.y = row;\n  }\n\n  /**\n   * CSI Ps I\n   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n   */\n  public cursorForwardTab(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.x = this._terminal.buffer.nextStop();\n    }\n  }\n\n  /**\n   * Helper method to erase cells in a terminal row.\n   * The cell gets replaced with the eraseChar of the terminal.\n   * @param y row index\n   * @param start first cell index to be erased\n   * @param end   end - 1 is last erased cell\n   */\n  private _eraseInBufferLine(y: number, start: number, end: number): void {\n    this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y).replaceCells(\n      start,\n      end,\n      [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]\n    );\n  }\n\n  /**\n   * CSI Ps J  Erase in Display (ED).\n   *     Ps = 0  -> Erase Below (default).\n   *     Ps = 1  -> Erase Above.\n   *     Ps = 2  -> Erase All.\n   *     Ps = 3  -> Erase Saved Lines (xterm).\n   * CSI ? Ps J\n   *   Erase in Display (DECSED).\n   *     Ps = 0  -> Selective Erase Below (default).\n   *     Ps = 1  -> Selective Erase Above.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInDisplay(params: number[]): void {\n    let j;\n    switch (params[0]) {\n      case 0:\n        j = this._terminal.buffer.y;\n        this._terminal.updateRange(j);\n        this._eraseInBufferLine(j++, this._terminal.buffer.x, this._terminal.cols);\n        for (; j < this._terminal.rows; j++) {\n          this._eraseInBufferLine(j, 0, this._terminal.cols);\n        }\n        this._terminal.updateRange(j);\n        break;\n      case 1:\n        j = this._terminal.buffer.y;\n        this._terminal.updateRange(j);\n        this._eraseInBufferLine(j, 0, this._terminal.buffer.x + 1);\n        while (j--) {\n          this._eraseInBufferLine(j, 0, this._terminal.cols);\n        }\n        this._terminal.updateRange(0);\n        break;\n      case 2:\n        j = this._terminal.rows;\n        this._terminal.updateRange(j - 1);\n        while (j--) {\n          this._eraseInBufferLine(j, 0, this._terminal.cols);\n        }\n        this._terminal.updateRange(0);\n        break;\n      case 3:\n        // Clear scrollback (everything not in viewport)\n        const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;\n        if (scrollBackSize > 0) {\n          this._terminal.buffer.lines.trimStart(scrollBackSize);\n          this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);\n          this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);\n          // Force a scroll event to refresh viewport\n          this._terminal.emit('scroll', 0);\n        }\n        break;\n    }\n  }\n\n  /**\n   * CSI Ps K  Erase in Line (EL).\n   *     Ps = 0  -> Erase to Right (default).\n   *     Ps = 1  -> Erase to Left.\n   *     Ps = 2  -> Erase All.\n   * CSI ? Ps K\n   *   Erase in Line (DECSEL).\n   *     Ps = 0  -> Selective Erase to Right (default).\n   *     Ps = 1  -> Selective Erase to Left.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInLine(params: number[]): void {\n    switch (params[0]) {\n      case 0:\n        this._eraseInBufferLine(this._terminal.buffer.y, this._terminal.buffer.x, this._terminal.cols);\n        break;\n      case 1:\n        this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.buffer.x + 1);\n        break;\n      case 2:\n        this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.cols);\n        break;\n    }\n    this._terminal.updateRange(this._terminal.buffer.y);\n  }\n\n  /**\n   * CSI Ps L\n   * Insert Ps Line(s) (default = 1) (IL).\n   */\n  public insertLines(params: number[]): void {\n    let param: number = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n\n    const row: number = buffer.y + buffer.ybase;\n\n    const scrollBottomRowsOffset = this._terminal.rows - 1 - buffer.scrollBottom;\n    const scrollBottomAbsolute = this._terminal.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1L\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      buffer.lines.splice(scrollBottomAbsolute - 1, 1);\n      buffer.lines.splice(row, 0, BufferLine.blankLine(this._terminal.cols, this._terminal.eraseAttr()));\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(buffer.y);\n    this._terminal.updateRange(buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps M\n   * Delete Ps Line(s) (default = 1) (DL).\n   */\n  public deleteLines(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n\n    const row: number = buffer.y + buffer.ybase;\n\n    let j: number;\n    j = this._terminal.rows - 1 - buffer.scrollBottom;\n    j = this._terminal.rows - 1 + buffer.ybase - j;\n    while (param--) {\n      // test: echo -e '\\e[44m\\e[1M\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      buffer.lines.splice(row, 1);\n      buffer.lines.splice(j, 0, BufferLine.blankLine(this._terminal.cols, this._terminal.eraseAttr()));\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(buffer.y);\n    this._terminal.updateRange(buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps P\n   * Delete Ps Character(s) (default = 1) (DCH).\n   */\n  public deleteChars(params: number[]): void {\n    this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).deleteCells(\n      this._terminal.buffer.x,\n      params[0] || 1,\n      [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]\n    );\n    this._terminal.updateRange(this._terminal.buffer.y);\n  }\n\n  /**\n   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).\n   */\n  public scrollUp(params: number[]): void {\n    let param = params[0] || 1;\n\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n\n    while (param--) {\n      buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1);\n      buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, BufferLine.blankLine(this._terminal.cols, DEFAULT_ATTR));\n    }\n    // this.maxRange();\n    this._terminal.updateRange(buffer.scrollTop);\n    this._terminal.updateRange(buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).\n   */\n  public scrollDown(params: number[], collect?: string): void {\n    if (params.length < 2 && !collect) {\n      let param = params[0] || 1;\n\n      // make buffer local for faster access\n      const buffer = this._terminal.buffer;\n\n      while (param--) {\n        buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1);\n        buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, BufferLine.blankLine(this._terminal.cols, DEFAULT_ATTR));\n      }\n      // this.maxRange();\n      this._terminal.updateRange(buffer.scrollTop);\n      this._terminal.updateRange(buffer.scrollBottom);\n    }\n  }\n\n  /**\n   * CSI Ps X\n   * Erase Ps Character(s) (default = 1) (ECH).\n   */\n  public eraseChars(params: number[]): void {\n    this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).replaceCells(\n      this._terminal.buffer.x,\n      this._terminal.buffer.x + (params[0] || 1),\n      [this._terminal.eraseAttr(), NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]\n    );\n  }\n\n  /**\n   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n   */\n  public cursorBackwardTab(params: number[]): void {\n    let param = params[0] || 1;\n\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n\n    while (param--) {\n      buffer.x = buffer.prevStop();\n    }\n  }\n\n  /**\n   * CSI Pm `  Character Position Absolute\n   *   [column] (default = [row,1]) (HPA).\n   */\n  public charPosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Pm a  Character Position Relative\n   *   [columns] (default = [row,col+1]) (HPR)\n   * reuse CSI Ps C ?\n   */\n  public hPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).\n   */\n  public repeatPrecedingCharacter(params: number[]): void {\n    // make buffer local for faster access\n    const buffer = this._terminal.buffer;\n    const line = buffer.lines.get(buffer.ybase + buffer.y);\n    line.replaceCells(buffer.x,\n      buffer.x + (params[0] || 1),\n      line.get(buffer.x - 1) || [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]\n    );\n    // FIXME: no updateRange here?\n  }\n\n  /**\n   * CSI Ps c  Send Device Attributes (Primary DA).\n   *     Ps = 0  or omitted -> request attributes from terminal.  The\n   *     response depends on the decTerminalID resource setting.\n   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')\n   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')\n   *     -> CSI ? 6 c  (``VT102'')\n   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')\n   *   The VT100-style response parameters do not mean anything by\n   *   themselves.  VT220 parameters do, telling the host what fea-\n   *   tures the terminal supports:\n   *     Ps = 1  -> 132-columns.\n   *     Ps = 2  -> Printer.\n   *     Ps = 6  -> Selective erase.\n   *     Ps = 8  -> User-defined keys.\n   *     Ps = 9  -> National replacement character sets.\n   *     Ps = 1 5  -> Technical characters.\n   *     Ps = 2 2  -> ANSI color, e.g., VT525.\n   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).\n   * CSI > Ps c\n   *   Send Device Attributes (Secondary DA).\n   *     Ps = 0  or omitted -> request the terminal's identification\n   *     code.  The response depends on the decTerminalID resource set-\n   *     ting.  It should apply only to VT220 and up, but xterm extends\n   *     this to VT100.\n   *     -> CSI  > Pp ; Pv ; Pc c\n   *   where Pp denotes the terminal type\n   *     Pp = 0  -> ``VT100''.\n   *     Pp = 1  -> ``VT220''.\n   *   and Pv is the firmware version (for xterm, this was originally\n   *   the XFree86 patch number, starting with 95).  In a DEC termi-\n   *   nal, Pc indicates the ROM cartridge registration number and is\n   *   always zero.\n   * More information:\n   *   xterm/charproc.c - line 2012, for more information.\n   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n   */\n  public sendDeviceAttributes(params: number[], collect?: string): void {\n    if (params[0] > 0) {\n      return;\n    }\n\n    if (!collect) {\n      if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n        this._terminal.handler(C0.ESC + '[?1;2c');\n      } else if (this._terminal.is('linux')) {\n        this._terminal.handler(C0.ESC + '[?6c');\n      }\n    } else if (collect === '>') {\n      // xterm and urxvt\n      // seem to spit this\n      // out around ~370 times (?).\n      if (this._terminal.is('xterm')) {\n        this._terminal.handler(C0.ESC + '[>0;276;0c');\n      } else if (this._terminal.is('rxvt-unicode')) {\n        this._terminal.handler(C0.ESC + '[>85;95;0c');\n      } else if (this._terminal.is('linux')) {\n        // not supported by linux console.\n        // linux console echoes parameters.\n        this._terminal.handler(params[0] + 'c');\n      } else if (this._terminal.is('screen')) {\n        this._terminal.handler(C0.ESC + '[>83;40003;0c');\n      }\n    }\n  }\n\n  /**\n   * CSI Pm d  Vertical Position Absolute (VPA)\n   *   [row] (default = [1,column])\n   */\n  public linePosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y = param - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n  }\n\n  /**\n   * CSI Pm e  Vertical Position Relative (VPR)\n   *   [rows] (default = [row+1,column])\n   * reuse CSI Ps B ?\n   */\n  public vPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps ; Ps f\n   *   Horizontal and Vertical Position [row;column] (default =\n   *   [1,1]) (HVP).\n   */\n  public hVPosition(params: number[]): void {\n    if (params[0] < 1) params[0] = 1;\n    if (params[1] < 1) params[1] = 1;\n\n    this._terminal.buffer.y = params[0] - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n\n    this._terminal.buffer.x = params[1] - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps g  Tab Clear (TBC).\n   *     Ps = 0  -> Clear Current Column (default).\n   *     Ps = 3  -> Clear All.\n   * Potentially:\n   *   Ps = 2  -> Clear Stops on Line.\n   *   http://vt100.net/annarbor/aaa-ug/section6.html\n   */\n  public tabClear(params: number[]): void {\n    const param = params[0];\n    if (param <= 0) {\n      delete this._terminal.buffer.tabs[this._terminal.buffer.x];\n    } else if (param === 3) {\n      this._terminal.buffer.tabs = {};\n    }\n  }\n\n  /**\n   * CSI Pm h  Set Mode (SM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Insert Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Automatic Newline (LNM).\n   * CSI ? Pm h\n   *   DEC Private Mode Set (DECSET).\n   *     Ps = 1  -> Application Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate USASCII for character sets G0-G3\n   *     (DECANM), and set VT100 mode.\n   *     Ps = 3  -> 132 Column Mode (DECCOLM).\n   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).\n   *     Ps = 5  -> Reverse Video (DECSCNM).\n   *     Ps = 6  -> Origin Mode (DECOM).\n   *     Ps = 7  -> Wraparound Mode (DECAWM).\n   *     Ps = 8  -> Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-\n   *     tion Mouse Tracking.\n   *     Ps = 1 0  -> Show toolbar (rxvt).\n   *     Ps = 1 2  -> Start Blinking Cursor (att610).\n   *     Ps = 1 8  -> Print form feed (DECPFF).\n   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).\n   *     Ps = 2 5  -> Show Cursor (DECTCEM).\n   *     Ps = 3 0  -> Show scrollbar (rxvt).\n   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).\n   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).\n   *     Ps = 4 0  -> Allow 80 -> 132 Mode.\n   *     Ps = 4 1  -> more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-\n   *     RCM).\n   *     Ps = 4 4  -> Turn On Margin Bell.\n   *     Ps = 4 5  -> Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a\n   *     compile-time option.\n   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 6 6  -> Application keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).\n   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).\n   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Interpret \"meta\" key, sets eighth bit.\n   *     (enables the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-\n   *     Lock keys.  (This enables the numLock resource).\n   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This\n   *     enables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete\n   *     key.\n   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This\n   *     enables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.\n   *     (This enables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when\n   *     Control-G is received.  (This enables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G\n   *     is received.  (enables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate\n   *     Screen Buffer, clearing it first.  (This may be disabled by\n   *     the titeInhibit resource).  This combines the effects of the 1\n   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based\n   *     applications rather than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Set Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Set HP function-key mode.\n   *     Ps = 1 0 5 3  -> Set SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.\n   *     Ps = 2 0 0 4  -> Set bracketed paste mode.\n   * Modes:\n   *   http: *vt100.net/docs/vt220-rm/chapter4.html\n   */\n  public setMode(params: number[], collect?: string): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.setMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!collect) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = true;\n          break;\n        case 20:\n          // this._t.convertEol = true;\n          break;\n      }\n    } else if (collect === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = true;\n          break;\n        case 2:\n          this._terminal.setgCharset(0, DEFAULT_CHARSET);\n          this._terminal.setgCharset(1, DEFAULT_CHARSET);\n          this._terminal.setgCharset(2, DEFAULT_CHARSET);\n          this._terminal.setgCharset(3, DEFAULT_CHARSET);\n          // set VT100 mode here\n          break;\n        case 3: // 132 col mode\n          this._terminal.savedCols = this._terminal.cols;\n          this._terminal.resize(132, this._terminal.rows);\n          break;\n        case 6:\n          this._terminal.originMode = true;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = true;\n          break;\n        case 12:\n          // this.cursorBlink = true;\n          break;\n        case 66:\n          this._terminal.log('Serial port requested application keypad.');\n          this._terminal.applicationKeypad = true;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n          // no release, no motion, no wheel, no modifiers.\n        case 1000: // vt200 mouse\n          // no motion.\n          // no modifiers, except control on the wheel.\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          // any event - sends motion events,\n          // even if there is no button held down.\n\n          // TODO: Why are params[0] compares nested within a switch for params[0]?\n\n          this._terminal.x10Mouse = params[0] === 9;\n          this._terminal.vt200Mouse = params[0] === 1000;\n          this._terminal.normalMouse = params[0] > 1000;\n          this._terminal.mouseEvents = true;\n          this._terminal.element.classList.add('enable-mouse-events');\n          this._terminal.selectionManager.disable();\n          this._terminal.log('Binding to mouse events.');\n          break;\n        case 1004: // send focusin/focusout events\n          // focusin: ^[[I\n          // focusout: ^[[O\n          this._terminal.sendFocus = true;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = true;\n          // for wide terminals\n          // simply encodes large values as utf8 characters\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = true;\n          // for wide terminals\n          // does not add 32 to fields\n          // press: ^[[<b;x;yM\n          // release: ^[[<b;x;ym\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = true;\n          // for wide terminals\n          // numbers for fields\n          // press: ^[[b;x;yM\n          // motion: ^[[b;x;yT\n          break;\n        case 25: // show cursor\n          this._terminal.cursorHidden = false;\n          break;\n        case 1049: // alt screen buffer cursor\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // this.saveCursor(params);\n          // FALL-THROUGH\n        case 47: // alt screen buffer\n        case 1047: // alt screen buffer\n          this._terminal.buffers.activateAltBuffer();\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._terminal.bracketedPasteMode = true;\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm l  Reset Mode (RM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Replace Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Normal Linefeed (LNM).\n   * CSI ? Pm l\n   *   DEC Private Mode Reset (DECRST).\n   *     Ps = 1  -> Normal Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate VT52 mode (DECANM).\n   *     Ps = 3  -> 80 Column Mode (DECCOLM).\n   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).\n   *     Ps = 5  -> Normal Video (DECSCNM).\n   *     Ps = 6  -> Normal Cursor Mode (DECOM).\n   *     Ps = 7  -> No Wraparound Mode (DECAWM).\n   *     Ps = 8  -> No Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Don't send Mouse X & Y on button press.\n   *     Ps = 1 0  -> Hide toolbar (rxvt).\n   *     Ps = 1 2  -> Stop Blinking Cursor (att610).\n   *     Ps = 1 8  -> Don't print form feed (DECPFF).\n   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).\n   *     Ps = 2 5  -> Hide Cursor (DECTCEM).\n   *     Ps = 3 0  -> Don't show scrollbar (rxvt).\n   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).\n   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.\n   *     Ps = 4 1  -> No more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-\n   *     NRCM).\n   *     Ps = 4 4  -> Turn Off Margin Bell.\n   *     Ps = 4 5  -> No Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a\n   *     compile-time option).\n   *     Ps = 4 7  -> Use Normal Screen Buffer.\n   *     Ps = 6 6  -> Numeric keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).\n   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output\n   *     (rxvt).\n   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Don't interpret \"meta\" key.  (This disables\n   *     the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-\n   *     Lock keys.  (This disables the numLock resource).\n   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.\n   *     (This disables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad\n   *     Delete key.\n   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.\n   *     (This disables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.\n   *     (This disables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when\n   *     Control-G is received.  (This disables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-\n   *     G is received.  (This disables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen\n   *     first if in the Alternate Screen.  (This may be disabled by\n   *     the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor\n   *     as in DECRC.  (This may be disabled by the titeInhibit\n   *     resource).  This combines the effects of the 1 0 4 7  and 1 0\n   *     4 8  modes.  Use this with terminfo-based applications rather\n   *     than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Reset HP function-key mode.\n   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.\n   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.\n   */\n  public resetMode(params: number[], collect?: string): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.resetMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!collect) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = false;\n          break;\n        case 20:\n          // this._t.convertEol = false;\n          break;\n      }\n    } else if (collect === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = false;\n          break;\n        case 3:\n          if (this._terminal.cols === 132 && this._terminal.savedCols) {\n            this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n          }\n          delete this._terminal.savedCols;\n          break;\n        case 6:\n          this._terminal.originMode = false;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = false;\n          break;\n        case 12:\n          // this.cursorBlink = false;\n          break;\n        case 66:\n          this._terminal.log('Switching back to normal keypad.');\n          this._terminal.applicationKeypad = false;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n        case 1000: // vt200 mouse\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          this._terminal.x10Mouse = false;\n          this._terminal.vt200Mouse = false;\n          this._terminal.normalMouse = false;\n          this._terminal.mouseEvents = false;\n          this._terminal.element.classList.remove('enable-mouse-events');\n          this._terminal.selectionManager.enable();\n          break;\n        case 1004: // send focusin/focusout events\n          this._terminal.sendFocus = false;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = false;\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = false;\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = false;\n          break;\n        case 25: // hide cursor\n          this._terminal.cursorHidden = true;\n          break;\n        case 1049: // alt screen buffer cursor\n           // FALL-THROUGH\n        case 47: // normal screen buffer\n        case 1047: // normal screen buffer - clearing it first\n          // Ensure the selection manager has the correct buffer\n          this._terminal.buffers.activateNormalBuffer();\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // if (params[0] === 1049) {\n          //   this.restoreCursor(params);\n          // }\n          this._terminal.refresh(0, this._terminal.rows - 1);\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n        case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n          this._terminal.bracketedPasteMode = false;\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm m  Character Attributes (SGR).\n   *     Ps = 0  -> Normal (default).\n   *     Ps = 1  -> Bold.\n   *     Ps = 2  -> Faint, decreased intensity (ISO 6429).\n   *     Ps = 4  -> Underlined.\n   *     Ps = 5  -> Blink (appears as Bold).\n   *     Ps = 7  -> Inverse.\n   *     Ps = 8  -> Invisible, i.e., hidden (VT300).\n   *     Ps = 2 2  -> Normal (neither bold nor faint).\n   *     Ps = 2 4  -> Not underlined.\n   *     Ps = 2 5  -> Steady (not blinking).\n   *     Ps = 2 7  -> Positive (not inverse).\n   *     Ps = 2 8  -> Visible, i.e., not hidden (VT300).\n   *     Ps = 3 0  -> Set foreground color to Black.\n   *     Ps = 3 1  -> Set foreground color to Red.\n   *     Ps = 3 2  -> Set foreground color to Green.\n   *     Ps = 3 3  -> Set foreground color to Yellow.\n   *     Ps = 3 4  -> Set foreground color to Blue.\n   *     Ps = 3 5  -> Set foreground color to Magenta.\n   *     Ps = 3 6  -> Set foreground color to Cyan.\n   *     Ps = 3 7  -> Set foreground color to White.\n   *     Ps = 3 9  -> Set foreground color to default (original).\n   *     Ps = 4 0  -> Set background color to Black.\n   *     Ps = 4 1  -> Set background color to Red.\n   *     Ps = 4 2  -> Set background color to Green.\n   *     Ps = 4 3  -> Set background color to Yellow.\n   *     Ps = 4 4  -> Set background color to Blue.\n   *     Ps = 4 5  -> Set background color to Magenta.\n   *     Ps = 4 6  -> Set background color to Cyan.\n   *     Ps = 4 7  -> Set background color to White.\n   *     Ps = 4 9  -> Set background color to default (original).\n   *\n   *   If 16-color support is compiled, the following apply.  Assume\n   *   that xterm's resources are set so that the ISO color codes are\n   *   the first 8 of a set of 16.  Then the aixterm colors are the\n   *   bright versions of the ISO colors:\n   *     Ps = 9 0  -> Set foreground color to Black.\n   *     Ps = 9 1  -> Set foreground color to Red.\n   *     Ps = 9 2  -> Set foreground color to Green.\n   *     Ps = 9 3  -> Set foreground color to Yellow.\n   *     Ps = 9 4  -> Set foreground color to Blue.\n   *     Ps = 9 5  -> Set foreground color to Magenta.\n   *     Ps = 9 6  -> Set foreground color to Cyan.\n   *     Ps = 9 7  -> Set foreground color to White.\n   *     Ps = 1 0 0  -> Set background color to Black.\n   *     Ps = 1 0 1  -> Set background color to Red.\n   *     Ps = 1 0 2  -> Set background color to Green.\n   *     Ps = 1 0 3  -> Set background color to Yellow.\n   *     Ps = 1 0 4  -> Set background color to Blue.\n   *     Ps = 1 0 5  -> Set background color to Magenta.\n   *     Ps = 1 0 6  -> Set background color to Cyan.\n   *     Ps = 1 0 7  -> Set background color to White.\n   *\n   *   If xterm is compiled with the 16-color support disabled, it\n   *   supports the following, from rxvt:\n   *     Ps = 1 0 0  -> Set foreground and background color to\n   *     default.\n   *\n   *   If 88- or 256-color support is compiled, the following apply.\n   *     Ps = 3 8  ; 5  ; Ps -> Set foreground color to the second\n   *     Ps.\n   *     Ps = 4 8  ; 5  ; Ps -> Set background color to the second\n   *     Ps.\n   */\n  public charAttributes(params: number[]): void {\n    // Optimize a single SGR0.\n    if (params.length === 1 && params[0] === 0) {\n      this._terminal.curAttr = DEFAULT_ATTR;\n      return;\n    }\n\n    const l = params.length;\n    let flags = this._terminal.curAttr >> 18;\n    let fg = (this._terminal.curAttr >> 9) & 0x1ff;\n    let bg = this._terminal.curAttr & 0x1ff;\n    let p;\n\n    for (let i = 0; i < l; i++) {\n      p = params[i];\n      if (p >= 30 && p <= 37) {\n        // fg color 8\n        fg = p - 30;\n      } else if (p >= 40 && p <= 47) {\n        // bg color 8\n        bg = p - 40;\n      } else if (p >= 90 && p <= 97) {\n        // fg color 16\n        p += 8;\n        fg = p - 90;\n      } else if (p >= 100 && p <= 107) {\n        // bg color 16\n        p += 8;\n        bg = p - 100;\n      } else if (p === 0) {\n        // default\n        flags = DEFAULT_ATTR >> 18;\n        fg = (DEFAULT_ATTR >> 9) & 0x1ff;\n        bg = DEFAULT_ATTR & 0x1ff;\n        // flags = 0;\n        // fg = 0x1ff;\n        // bg = 0x1ff;\n      } else if (p === 1) {\n        // bold text\n        flags |= FLAGS.BOLD;\n      } else if (p === 3) {\n        // italic text\n        flags |= FLAGS.ITALIC;\n      } else if (p === 4) {\n        // underlined text\n        flags |= FLAGS.UNDERLINE;\n      } else if (p === 5) {\n        // blink\n        flags |= FLAGS.BLINK;\n      } else if (p === 7) {\n        // inverse and positive\n        // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n        flags |= FLAGS.INVERSE;\n      } else if (p === 8) {\n        // invisible\n        flags |= FLAGS.INVISIBLE;\n      } else if (p === 2) {\n        // dimmed text\n        flags |= FLAGS.DIM;\n      } else if (p === 22) {\n        // not bold nor faint\n        flags &= ~FLAGS.BOLD;\n        flags &= ~FLAGS.DIM;\n      } else if (p === 23) {\n        // not italic\n        flags &= ~FLAGS.ITALIC;\n      } else if (p === 24) {\n        // not underlined\n        flags &= ~FLAGS.UNDERLINE;\n      } else if (p === 25) {\n        // not blink\n        flags &= ~FLAGS.BLINK;\n      } else if (p === 27) {\n        // not inverse\n        flags &= ~FLAGS.INVERSE;\n      } else if (p === 28) {\n        // not invisible\n        flags &= ~FLAGS.INVISIBLE;\n      } else if (p === 39) {\n        // reset fg\n        fg = (DEFAULT_ATTR >> 9) & 0x1ff;\n      } else if (p === 49) {\n        // reset bg\n        bg = DEFAULT_ATTR & 0x1ff;\n      } else if (p === 38) {\n        // fg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          fg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (fg === -1) fg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          fg = p;\n        }\n      } else if (p === 48) {\n        // bg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          bg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (bg === -1) bg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          bg = p;\n        }\n      } else if (p === 100) {\n        // reset fg/bg\n        fg = (DEFAULT_ATTR >> 9) & 0x1ff;\n        bg = DEFAULT_ATTR & 0x1ff;\n      } else {\n        this._terminal.error('Unknown SGR attribute: %d.', p);\n      }\n    }\n\n    this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;\n  }\n\n  /**\n   * CSI Ps n  Device Status Report (DSR).\n   *     Ps = 5  -> Status Report.  Result (``OK'') is\n   *   CSI 0 n\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].\n   *   Result is\n   *   CSI r ; c R\n   * CSI ? Ps n\n   *   Device Status Report (DSR, DEC-specific).\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI\n   *     ? r ; c R (assumes page is zero).\n   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).\n   *     or CSI ? 1 1  n  (not ready).\n   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)\n   *     or CSI ? 2 1  n  (locked).\n   *     Ps = 2 6  -> Report Keyboard status as\n   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).\n   *   The last two parameters apply to VT400 & up, and denote key-\n   *   board ready and LK01 respectively.\n   *     Ps = 5 3  -> Report Locator status as\n   *   CSI ? 5 3  n  Locator available, if compiled-in, or\n   *   CSI ? 5 0  n  No Locator, if not.\n   */\n  public deviceStatus(params: number[], collect?: string): void {\n    if (!collect) {\n      switch (params[0]) {\n        case 5:\n          // status report\n          this._terminal.emit('data', `${C0.ESC}[0n`);\n          break;\n        case 6:\n          // cursor position\n          const y = this._terminal.buffer.y + 1;\n          const x = this._terminal.buffer.x + 1;\n          this._terminal.emit('data', `${C0.ESC}[${y};${x}R`);\n          break;\n      }\n    } else if (collect === '?') {\n      // modern xterm doesnt seem to\n      // respond to any of these except ?6, 6, and 5\n      switch (params[0]) {\n        case 6:\n          // cursor position\n          const y = this._terminal.buffer.y + 1;\n          const x = this._terminal.buffer.x + 1;\n          this._terminal.emit('data', `${C0.ESC}[?${y};${x}R`);\n          break;\n        case 15:\n          // no printer\n          // this.handler(C0.ESC + '[?11n');\n          break;\n        case 25:\n          // dont support user defined keys\n          // this.handler(C0.ESC + '[?21n');\n          break;\n        case 26:\n          // north american keyboard\n          // this.handler(C0.ESC + '[?27;1;0;0n');\n          break;\n        case 53:\n          // no dec locator/mouse\n          // this.handler(C0.ESC + '[?50n');\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI ! p   Soft terminal reset (DECSTR).\n   * http://vt100.net/docs/vt220-rm/table4-10.html\n   */\n  public softReset(params: number[], collect?: string): void {\n    if (collect === '!') {\n      this._terminal.cursorHidden = false;\n      this._terminal.insertMode = false;\n      this._terminal.originMode = false;\n      this._terminal.wraparoundMode = true;  // defaults: xterm - true, vt100 - false\n      this._terminal.applicationKeypad = false; // ?\n      this._terminal.viewport.syncScrollArea();\n      this._terminal.applicationCursor = false;\n      this._terminal.buffer.scrollTop = 0;\n      this._terminal.buffer.scrollBottom = this._terminal.rows - 1;\n      this._terminal.curAttr = DEFAULT_ATTR;\n      this._terminal.buffer.x = this._terminal.buffer.y = 0; // ?\n      this._terminal.charset = null;\n      this._terminal.glevel = 0; // ??\n      this._terminal.charsets = [null]; // ??\n    }\n  }\n\n  /**\n   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).\n   *   Ps = 0  -> blinking block.\n   *   Ps = 1  -> blinking block (default).\n   *   Ps = 2  -> steady block.\n   *   Ps = 3  -> blinking underline.\n   *   Ps = 4  -> steady underline.\n   *   Ps = 5  -> blinking bar (xterm).\n   *   Ps = 6  -> steady bar (xterm).\n   */\n  public setCursorStyle(params?: number[], collect?: string): void {\n    if (collect === ' ') {\n      const param = params[0] < 1 ? 1 : params[0];\n      switch (param) {\n        case 1:\n        case 2:\n          this._terminal.setOption('cursorStyle', 'block');\n          break;\n        case 3:\n        case 4:\n          this._terminal.setOption('cursorStyle', 'underline');\n          break;\n        case 5:\n        case 6:\n          this._terminal.setOption('cursorStyle', 'bar');\n          break;\n      }\n      const isBlinking = param % 2 === 1;\n      this._terminal.setOption('cursorBlink', isBlinking);\n    }\n  }\n\n  /**\n   * CSI Ps ; Ps r\n   *   Set Scrolling Region [top;bottom] (default = full size of win-\n   *   dow) (DECSTBM).\n   * CSI ? Pm r\n   */\n  public setScrollRegion(params: number[], collect?: string): void {\n    if (collect) return;\n    this._terminal.buffer.scrollTop = (params[0] || 1) - 1;\n    this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n    this._terminal.buffer.x = 0;\n    this._terminal.buffer.y = 0;\n  }\n\n\n  /**\n   * CSI s\n   * ESC 7\n   *   Save cursor (ANSI.SYS).\n   */\n  public saveCursor(params: number[]): void {\n    this._terminal.buffer.savedX = this._terminal.buffer.x;\n    this._terminal.buffer.savedY = this._terminal.buffer.y;\n    this._terminal.savedCurAttr = this._terminal.curAttr;\n  }\n\n\n  /**\n   * CSI u\n   * ESC 8\n   *   Restore cursor (ANSI.SYS).\n   */\n  public restoreCursor(params: number[]): void {\n    this._terminal.buffer.x = this._terminal.buffer.savedX || 0;\n    this._terminal.buffer.y = this._terminal.buffer.savedY || 0;\n    this._terminal.curAttr = this._terminal.savedCurAttr || DEFAULT_ATTR;\n  }\n\n\n  /**\n   * OSC 0; <data> ST (set icon name + window title)\n   * OSC 2; <data> ST (set window title)\n   *   Proxy to set window title. Icon name is not supported.\n   */\n  public setTitle(data: string): void {\n    this._terminal.handleTitle(data);\n  }\n\n  /**\n   * ESC E\n   * C1.NEL\n   *   DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)\n   *   Moves cursor to first position on next line.\n   */\n  public nextLine(): void {\n    this._terminal.buffer.x = 0;\n    this.index();\n  }\n\n  /**\n   * ESC =\n   *   DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)\n   *   Enables the numeric keypad to send application sequences to the host.\n   */\n  public keypadApplicationMode(): void {\n    this._terminal.log('Serial port requested application keypad.');\n    this._terminal.applicationKeypad = true;\n    if (this._terminal.viewport) {\n      this._terminal.viewport.syncScrollArea();\n    }\n  }\n\n  /**\n   * ESC >\n   *   DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)\n   *   Enables the keypad to send numeric characters to the host.\n   */\n  public keypadNumericMode(): void {\n    this._terminal.log('Switching back to normal keypad.');\n    this._terminal.applicationKeypad = false;\n    if (this._terminal.viewport) {\n      this._terminal.viewport.syncScrollArea();\n    }\n  }\n\n  /**\n   * ESC % @\n   * ESC % G\n   *   Select default character set. UTF-8 is not supported (string are unicode anyways)\n   *   therefore ESC % G does the same.\n   */\n  public selectDefaultCharset(): void {\n    this._terminal.setgLevel(0);\n    this._terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n  }\n\n  /**\n   * ESC ( C\n   *   Designate G0 Character Set, VT100, ISO 2022.\n   * ESC ) C\n   *   Designate G1 Character Set (ISO 2022, VT100).\n   * ESC * C\n   *   Designate G2 Character Set (ISO 2022, VT220).\n   * ESC + C\n   *   Designate G3 Character Set (ISO 2022, VT220).\n   * ESC - C\n   *   Designate G1 Character Set (VT300).\n   * ESC . C\n   *   Designate G2 Character Set (VT300).\n   * ESC / C\n   *   Designate G3 Character Set (VT300). C = A  -> ISO Latin-1 Supplemental. - Supported?\n   */\n  public selectCharset(collectAndFlag: string): void {\n    if (collectAndFlag.length !== 2) return this.selectDefaultCharset();\n    if (collectAndFlag[0] === '/') return;  // TODO: Is this supported?\n    this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);\n  }\n\n  /**\n   * ESC D\n   * C1.IND\n   *   DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)\n   *   Moves the cursor down one line in the same column.\n   */\n  public index(): void {\n    this._terminal.index();  // TODO: save to move from terminal?\n  }\n\n  /**\n   * ESC H\n   * C1.HTS\n   *   DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)\n   *   Sets a horizontal tab stop at the column position indicated by\n   *   the value of the active column when the terminal receives an HTS.\n   */\n  public tabSet(): void {\n    this._terminal.tabSet();  // TODO: save to move from terminal?\n  }\n\n  /**\n   * ESC M\n   * C1.RI\n   *   DEC mnemonic: HTS\n   *   Moves the cursor up one line in the same column. If the cursor is at the top margin,\n   *   the page scrolls down.\n   */\n  public reverseIndex(): void {\n    this._terminal.reverseIndex();  // TODO: save to move from terminal?\n  }\n\n  /**\n   * ESC c\n   *   DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)\n   *   Reset to initial state.\n   */\n  public reset(): void {\n    this._parser.reset();\n    this._terminal.reset();  // TODO: save to move from terminal?\n  }\n\n  /**\n   * ESC n\n   * ESC o\n   * ESC |\n   * ESC }\n   * ESC ~\n   *   DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)\n   *   When you use a locking shift, the character set remains in GL or GR until\n   *   you use another locking shift. (partly supported)\n   */\n  public setgLevel(level: number): void {\n    this._terminal.setgLevel(level);  // TODO: save to move from terminal?\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ParserState, ParserAction, IParsingState, IDcsHandler, IEscapeSequenceParser } from './Types';\nimport { Disposable } from './common/Lifecycle';\n\n/**\n * Returns an array filled with numbers between the low and high parameters (right exclusive).\n * @param low The low number.\n * @param high The high number.\n */\nfunction r(low: number, high: number): number[] {\n  let c = high - low;\n  const arr = new Array(c);\n  while (c--) {\n    arr[c] = --high;\n  }\n  return arr;\n}\n\n/**\n * Transition table for EscapeSequenceParser.\n * NOTE: data in the underlying table is packed like this:\n *   currentState << 8 | characterCode  -->  action << 4 | nextState\n */\nexport class TransitionTable {\n  public table: Uint8Array | number[];\n\n  constructor(length: number) {\n    this.table = (typeof Uint8Array === 'undefined')\n      ? new Array(length)\n      : new Uint8Array(length);\n  }\n\n  /**\n   * Add a transition to the transition table.\n   * @param code input character code\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  add(code: number, state: number, action: number | null, next: number | null): void {\n    this.table[state << 8 | code] = ((action | 0) << 4) | ((next === undefined) ? state : next);\n  }\n\n  /**\n   * Add transitions for multiple input character codes.\n   * @param codes input character code array\n   * @param state current parser state\n   * @param action parser action to be done\n   * @param next next parser state\n   */\n  addMany(codes: number[], state: number, action: number | null, next: number | null): void {\n    for (let i = 0; i < codes.length; i++) {\n      this.add(codes[i], state, action, next);\n    }\n  }\n}\n\n\n/**\n * Default definitions for the VT500_TRANSITION_TABLE.\n */\nconst PRINTABLES = r(0x20, 0x7f);\nconst EXECUTABLES = r(0x00, 0x18);\nEXECUTABLES.push(0x19);\nEXECUTABLES.concat(r(0x1c, 0x20));\nconst DEFAULT_TRANSITION = ParserAction.ERROR << 4 | ParserState.GROUND;\n\n/**\n * VT500 compatible transition table.\n * Taken from https://vt100.net/emu/dec_ansi_parser.\n */\nexport const VT500_TRANSITION_TABLE = (function (): TransitionTable {\n  const table: TransitionTable = new TransitionTable(4095);\n\n  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);\n  let state: any;\n\n  // table with default transition [any] --> DEFAULT_TRANSITION\n  for (state in states) {\n    // NOTE: table lookup is capped at 0xa0 in parse to keep the table small\n    for (let code = 0; code < 160; ++code) {\n      table.add(code, state, ParserAction.ERROR, ParserState.GROUND);\n    }\n  }\n  // printables\n  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n  // global anywhere rules\n  for (state in states) {\n    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);\n    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator\n    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC\n    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC\n    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI\n    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS\n  }\n  // rules for executables and 7f\n  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);\n  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);\n  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);\n  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);\n  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);\n  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);\n  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);\n  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);\n  // osc\n  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);\n  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);\n  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n  // sos/pm/apc does nothing\n  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);\n  // csi entries\n  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x3a), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.add(0x3b, ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);\n  table.addMany(r(0x30, 0x3a), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.add(0x3b, ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);\n  table.add(0x3a, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n  // esc_intermediate\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n  // dcs entry\n  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);\n  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.add(0x3a, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x30, 0x3a), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.add(0x3b, ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);\n  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n  table.addMany(r(0x30, 0x3a), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.add(0x3b, ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n  table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);\n  table.addMany([0x1b, 0x9c], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);\n  return table;\n})();\n\n/**\n * Dummy DCS handler as default fallback.\n */\nclass DcsDummy implements IDcsHandler {\n  hook(collect: string, params: number[], flag: number): void { }\n  put(data: string, start: number, end: number): void { }\n  unhook(): void { }\n}\n\n/**\n * EscapeSequenceParser.\n * This class implements the ANSI/DEC compatible parser described by\n * Paul Williams (https://vt100.net/emu/dec_ansi_parser).\n * To implement custom ANSI compliant escape sequences it is not needed to\n * alter this parser, instead consider registering a custom handler.\n * For non ANSI compliant sequences change the transition table with\n * the optional `transitions` contructor argument and\n * reimplement the `parse` method.\n * NOTE: The parameter element notation is currently not supported.\n * TODO: implement error recovery hook via error handler return values\n */\nexport class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {\n  public initialState: number;\n  public currentState: number;\n\n  // buffers over several parse calls\n  protected _osc: string;\n  protected _params: number[];\n  protected _collect: string;\n\n  // handler lookup containers\n  protected _printHandler: (data: string, start: number, end: number) => void;\n  protected _executeHandlers: any;\n  protected _csiHandlers: any;\n  protected _escHandlers: any;\n  protected _oscHandlers: any;\n  protected _dcsHandlers: any;\n  protected _activeDcsHandler: IDcsHandler | null;\n  protected _errorHandler: (state: IParsingState) => IParsingState;\n\n  // fallback handlers\n  protected _printHandlerFb: (data: string, start: number, end: number) => void;\n  protected _executeHandlerFb: (code: number) => void;\n  protected _csiHandlerFb: (collect: string, params: number[], flag: number) => void;\n  protected _escHandlerFb: (collect: string, flag: number) => void;\n  protected _oscHandlerFb: (identifier: number, data: string) => void;\n  protected _dcsHandlerFb: IDcsHandler;\n  protected _errorHandlerFb: (state: IParsingState) => IParsingState;\n\n  constructor(readonly TRANSITIONS: TransitionTable = VT500_TRANSITION_TABLE) {\n    super();\n\n    this.initialState = ParserState.GROUND;\n    this.currentState = this.initialState;\n    this._osc = '';\n    this._params = [0];\n    this._collect = '';\n\n    // set default fallback handlers and handler lookup containers\n    this._printHandlerFb = (data, start, end): void => { };\n    this._executeHandlerFb = (code: number): void => { };\n    this._csiHandlerFb = (collect: string, params: number[], flag: number): void => { };\n    this._escHandlerFb = (collect: string, flag: number): void => { };\n    this._oscHandlerFb = (identifier: number, data: string): void => { };\n    this._dcsHandlerFb = new DcsDummy();\n    this._errorHandlerFb = (state: IParsingState): IParsingState => state;\n    this._printHandler = this._printHandlerFb;\n    this._executeHandlers = Object.create(null);\n    this._csiHandlers = Object.create(null);\n    this._escHandlers = Object.create(null);\n    this._oscHandlers = Object.create(null);\n    this._dcsHandlers = Object.create(null);\n    this._activeDcsHandler = null;\n    this._errorHandler = this._errorHandlerFb;\n  }\n\n  public dispose(): void {\n    this._printHandlerFb = null;\n    this._executeHandlerFb = null;\n    this._csiHandlerFb = null;\n    this._escHandlerFb = null;\n    this._oscHandlerFb = null;\n    this._dcsHandlerFb = null;\n    this._errorHandlerFb = null;\n    this._printHandler = null;\n    this._executeHandlers = null;\n    this._csiHandlers = null;\n    this._escHandlers = null;\n    this._oscHandlers = null;\n    this._dcsHandlers = null;\n    this._activeDcsHandler = null;\n    this._errorHandler = null;\n  }\n\n  setPrintHandler(callback: (data: string, start: number, end: number) => void): void {\n    this._printHandler = callback;\n  }\n  clearPrintHandler(): void {\n    this._printHandler = this._printHandlerFb;\n  }\n\n  setExecuteHandler(flag: string, callback: () => void): void {\n    this._executeHandlers[flag.charCodeAt(0)] = callback;\n  }\n  clearExecuteHandler(flag: string): void {\n    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];\n  }\n  setExecuteHandlerFallback(callback: (code: number) => void): void {\n    this._executeHandlerFb = callback;\n  }\n\n  setCsiHandler(flag: string, callback: (params: number[], collect: string) => void): void {\n    this._csiHandlers[flag.charCodeAt(0)] = callback;\n  }\n  clearCsiHandler(flag: string): void {\n    if (this._csiHandlers[flag.charCodeAt(0)]) delete this._csiHandlers[flag.charCodeAt(0)];\n  }\n  setCsiHandlerFallback(callback: (collect: string, params: number[], flag: number) => void): void {\n    this._csiHandlerFb = callback;\n  }\n\n  setEscHandler(collectAndFlag: string, callback: () => void): void {\n    this._escHandlers[collectAndFlag] = callback;\n  }\n  clearEscHandler(collectAndFlag: string): void {\n    if (this._escHandlers[collectAndFlag]) delete this._escHandlers[collectAndFlag];\n  }\n  setEscHandlerFallback(callback: (collect: string, flag: number) => void): void {\n    this._escHandlerFb = callback;\n  }\n\n  setOscHandler(ident: number, callback: (data: string) => void): void {\n    this._oscHandlers[ident] = callback;\n  }\n  clearOscHandler(ident: number): void {\n    if (this._oscHandlers[ident]) delete this._oscHandlers[ident];\n  }\n  setOscHandlerFallback(callback: (identifier: number, data: string) => void): void {\n    this._oscHandlerFb = callback;\n  }\n\n  setDcsHandler(collectAndFlag: string, handler: IDcsHandler): void {\n    this._dcsHandlers[collectAndFlag] = handler;\n  }\n  clearDcsHandler(collectAndFlag: string): void {\n    if (this._dcsHandlers[collectAndFlag]) delete this._dcsHandlers[collectAndFlag];\n  }\n  setDcsHandlerFallback(handler: IDcsHandler): void {\n    this._dcsHandlerFb = handler;\n  }\n\n  setErrorHandler(callback: (state: IParsingState) => IParsingState): void {\n    this._errorHandler = callback;\n  }\n  clearErrorHandler(): void {\n    this._errorHandler = this._errorHandlerFb;\n  }\n\n  reset(): void {\n    this.currentState = this.initialState;\n    this._osc = '';\n    this._params = [0];\n    this._collect = '';\n    this._activeDcsHandler = null;\n  }\n\n  parse(data: string): void {\n    let code = 0;\n    let transition = 0;\n    let error = false;\n    let currentState = this.currentState;\n    let print = -1;\n    let dcs = -1;\n    let osc = this._osc;\n    let collect = this._collect;\n    let params = this._params;\n    const table: Uint8Array | number[] = this.TRANSITIONS.table;\n    let dcsHandler: IDcsHandler | null = this._activeDcsHandler;\n    let callback: Function | null = null;\n\n    // process input string\n    const l = data.length;\n    for (let i = 0; i < l; ++i) {\n      code = data.charCodeAt(i);\n\n      // shortcut for most chars (print action)\n      if (currentState === ParserState.GROUND && code > 0x1f && code < 0x80) {\n        print = (~print) ? print : i;\n        do i++;\n        while (i < l && data.charCodeAt(i) > 0x1f && data.charCodeAt(i) < 0x80);\n        i--;\n        continue;\n      }\n\n      // shortcut for CSI params\n      if (currentState === ParserState.CSI_PARAM && (code > 0x2f && code < 0x39)) {\n        params[params.length - 1] = params[params.length - 1] * 10 + code - 48;\n        continue;\n      }\n\n      // normal transition & action lookup\n      transition = (code < 0xa0) ? (table[currentState << 8 | code]) : DEFAULT_TRANSITION;\n      switch (transition >> 4) {\n        case ParserAction.PRINT:\n          print = (~print) ? print : i;\n          break;\n        case ParserAction.EXECUTE:\n          if (~print) {\n            this._printHandler(data, print, i);\n            print = -1;\n          }\n          callback = this._executeHandlers[code];\n          if (callback) callback();\n          else this._executeHandlerFb(code);\n          break;\n        case ParserAction.IGNORE:\n          // handle leftover print or dcs chars\n          if (~print) {\n            this._printHandler(data, print, i);\n            print = -1;\n          } else if (~dcs) {\n            dcsHandler.put(data, dcs, i);\n            dcs = -1;\n          }\n          break;\n        case ParserAction.ERROR:\n          // chars higher than 0x9f are handled by this action\n          // to keep the transition table small\n          if (code > 0x9f) {\n            switch (currentState) {\n              case ParserState.GROUND:\n                print = (~print) ? print : i;\n                break;\n              case ParserState.OSC_STRING:\n                osc += String.fromCharCode(code);\n                transition |= ParserState.OSC_STRING;\n                break;\n              case ParserState.CSI_IGNORE:\n                transition |= ParserState.CSI_IGNORE;\n                break;\n              case ParserState.DCS_IGNORE:\n                transition |= ParserState.DCS_IGNORE;\n                break;\n              case ParserState.DCS_PASSTHROUGH:\n                dcs = (~dcs) ? dcs : i;\n                transition |= ParserState.DCS_PASSTHROUGH;\n                break;\n              default:\n                error = true;\n            }\n          } else {\n            error = true;\n          }\n          // if we end up here a real error happened\n          if (error) {\n            const inject: IParsingState = this._errorHandler(\n              {\n                position: i,\n                code,\n                currentState,\n                print,\n                dcs,\n                osc,\n                collect,\n                params,\n                abort: false\n              });\n            if (inject.abort) return;\n          // TODO: inject return values\n            error = false;\n          }\n          break;\n        case ParserAction.CSI_DISPATCH:\n          callback = this._csiHandlers[code];\n          if (callback) callback(params, collect);\n          else this._csiHandlerFb(collect, params, code);\n          break;\n        case ParserAction.PARAM:\n          if (code === 0x3b) params.push(0);\n          else params[params.length - 1] = params[params.length - 1] * 10 + code - 48;\n          break;\n        case ParserAction.COLLECT:\n          collect += String.fromCharCode(code);\n          break;\n        case ParserAction.ESC_DISPATCH:\n          callback = this._escHandlers[collect + String.fromCharCode(code)];\n          if (callback) callback(collect, code);\n          else this._escHandlerFb(collect, code);\n          break;\n        case ParserAction.CLEAR:\n          if (~print) {\n            this._printHandler(data, print, i);\n            print = -1;\n          }\n          osc = '';\n          params = [0];\n          collect = '';\n          dcs = -1;\n          break;\n        case ParserAction.DCS_HOOK:\n          dcsHandler = this._dcsHandlers[collect + String.fromCharCode(code)];\n          if (!dcsHandler) dcsHandler = this._dcsHandlerFb;\n          dcsHandler.hook(collect, params, code);\n          break;\n        case ParserAction.DCS_PUT:\n          dcs = (~dcs) ? dcs : i;\n          break;\n        case ParserAction.DCS_UNHOOK:\n          if (dcsHandler) {\n            if (~dcs) dcsHandler.put(data, dcs, i);\n            dcsHandler.unhook();\n            dcsHandler = null;\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          osc = '';\n          params = [0];\n          collect = '';\n          dcs = -1;\n          break;\n        case ParserAction.OSC_START:\n          if (~print) {\n            this._printHandler(data, print, i);\n            print = -1;\n          }\n          osc = '';\n          break;\n        case ParserAction.OSC_PUT:\n          osc += data.charAt(i);\n          break;\n        case ParserAction.OSC_END:\n          if (osc && code !== 0x18 && code !== 0x1a) {\n            // NOTE: OSC subparsing is not part of the original parser\n            // we do basic identifier parsing here to offer a jump table for OSC as well\n            const idx = osc.indexOf(';');\n            if (idx === -1) {\n              this._oscHandlerFb(-1, osc);  // this is an error (malformed OSC)\n            } else {\n              // Note: NaN is not handled here\n              // either catch it with the fallback handler\n              // or with an explicit NaN OSC handler\n              const identifier = parseInt(osc.substring(0, idx));\n              const content = osc.substring(idx + 1);\n              callback = this._oscHandlers[identifier];\n              if (callback) callback(content);\n              else this._oscHandlerFb(identifier, content);\n            }\n          }\n          if (code === 0x1b) transition |= ParserState.ESCAPE;\n          osc = '';\n          params = [0];\n          collect = '';\n          dcs = -1;\n          break;\n      }\n      currentState = transition & 15;\n    }\n\n    // push leftover pushable buffers to terminal\n    if (currentState === ParserState.GROUND && ~print) {\n      this._printHandler(data, print, data.length);\n    } else if (currentState === ParserState.DCS_PASSTHROUGH && ~dcs && dcsHandler) {\n      dcsHandler.put(data, dcs, data.length);\n    }\n\n    // save non pushable buffers\n    this._osc = osc;\n    this._collect = collect;\n    this._params = params;\n\n    // save active dcs handler reference\n    this._activeDcsHandler = dcsHandler;\n\n    // save state\n    this.currentState = currentState;\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from './Types';\n\ninterface IPosition {\n  start: number;\n  end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n  /**\n   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n   * IME. This variable determines whether the compositionText should be displayed on the UI.\n   */\n  private _isComposing: boolean;\n\n  /**\n   * The position within the input textarea's value of the current composition.\n   */\n  private _compositionPosition: IPosition;\n\n  /**\n   * Whether a composition is in the process of being sent, setting this to false will cancel any\n   * in-progress composition.\n   */\n  private _isSendingComposition: boolean;\n\n  /**\n   * Creates a new CompositionHelper.\n   * @param _textarea The textarea that xterm uses for input.\n   * @param _compositionView The element to display the in-progress composition in.\n   * @param _terminal The Terminal to forward the finished composition to.\n   */\n  constructor(\n    private _textarea: HTMLTextAreaElement,\n    private _compositionView: HTMLElement,\n    private _terminal: ITerminal\n  ) {\n    this._isComposing = false;\n    this._isSendingComposition = false;\n    this._compositionPosition = { start: null, end: null };\n  }\n\n  /**\n   * Handles the compositionstart event, activating the composition view.\n   */\n  public compositionstart(): void {\n    this._isComposing = true;\n    this._compositionPosition.start = this._textarea.value.length;\n    this._compositionView.textContent = '';\n    this._compositionView.classList.add('active');\n  }\n\n  /**\n   * Handles the compositionupdate event, updating the composition view.\n   * @param ev The event.\n   */\n  public compositionupdate(ev: CompositionEvent): void {\n    this._compositionView.textContent = ev.data;\n    this.updateCompositionElements();\n    setTimeout(() => {\n      this._compositionPosition.end = this._textarea.value.length;\n    }, 0);\n  }\n\n  /**\n   * Handles the compositionend event, hiding the composition view and sending the composition to\n   * the handler.\n   */\n  public compositionend(): void {\n    this._finalizeComposition(true);\n  }\n\n  /**\n   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n   * @param ev The keydown event.\n   * @return Whether the Terminal should continue processing the keydown event.\n   */\n  public keydown(ev: KeyboardEvent): boolean {\n    if (this._isComposing || this._isSendingComposition) {\n      if (ev.keyCode === 229) {\n        // Continue composing if the keyCode is the \"composition character\"\n        return false;\n      } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n        // Continue composing if the keyCode is a modifier key\n        return false;\n      }\n      // Finish composition immediately. This is mainly here for the case where enter is\n      // pressed and the handler needs to be triggered before the command is executed.\n      this._finalizeComposition(false);\n    }\n\n    if (ev.keyCode === 229) {\n      // If the \"composition character\" is used but gets to this point it means a non-composition\n      // character (eg. numbers and punctuation) was pressed when the IME was active.\n      this._handleAnyTextareaChanges();\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Finalizes the composition, resuming regular input actions. This is called when a composition\n   * is ending.\n   * @param waitForPropogation Whether to wait for events to propogate before sending\n   *   the input. This should be false if a non-composition keystroke is entered before the\n   *   compositionend event is triggered, such as enter, so that the composition is send before\n   *   the command is executed.\n   */\n  private _finalizeComposition(waitForPropogation: boolean): void {\n    this._compositionView.classList.remove('active');\n    this._isComposing = false;\n    this._clearTextareaPosition();\n\n    if (!waitForPropogation) {\n      // Cancel any delayed composition send requests and send the input immediately.\n      this._isSendingComposition = false;\n      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);\n      this._terminal.handler(input);\n    } else {\n      // Make a deep copy of the composition position here as a new compositionstart event may\n      // fire before the setTimeout executes.\n      const currentCompositionPosition = {\n        start: this._compositionPosition.start,\n        end: this._compositionPosition.end\n      };\n\n      // Since composition* events happen before the changes take place in the textarea on most\n      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n      // complete. This ensures the correct character is retrieved, this solution was used\n      // because:\n      // - The compositionend event's data property is unreliable, at least on Chromium\n      // - The last compositionupdate event's data property does not always accurately describe\n      //   the character, a counter example being Korean where an ending consonsant can move to\n      //   the following character if the following input is a vowel.\n      this._isSendingComposition = true;\n      setTimeout(() => {\n        // Ensure that the input has not already been sent\n        if (this._isSendingComposition) {\n          this._isSendingComposition = false;\n          let input;\n          if (this._isComposing) {\n            // Use the end position to get the string if a new composition has started.\n            input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n          } else {\n            // Don't use the end position here in order to pick up any characters after the\n            // composition has finished, for example when typing a non-composition character\n            // (eg. 2) after a composition character.\n            input = this._textarea.value.substring(currentCompositionPosition.start);\n          }\n          this._terminal.handler(input);\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Apply any changes made to the textarea after the current event chain is allowed to complete.\n   * This should be called when not currently composing but a keydown event with the \"composition\n   * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n   * IME is active.\n   */\n  private _handleAnyTextareaChanges(): void {\n    const oldValue = this._textarea.value;\n    setTimeout(() => {\n      // Ignore if a composition has started since the timeout\n      if (!this._isComposing) {\n        const newValue = this._textarea.value;\n        const diff = newValue.replace(oldValue, '');\n        if (diff.length > 0) {\n          this._terminal.handler(diff);\n        }\n      }\n    }, 0);\n  }\n\n  /**\n   * Positions the composition view on top of the cursor and the textarea just below it (so the\n   * IME helper dialog is positioned correctly).\n   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n   *   necessary as the IME events across browsers are not consistently triggered.\n   */\n  public updateCompositionElements(dontRecurse?: boolean): void {\n    if (!this._isComposing) {\n      return;\n    }\n\n    if (this._terminal.buffer.isCursorInViewport) {\n      const cellHeight = Math.ceil(this._terminal.charMeasure.height * this._terminal.options.lineHeight);\n      const cursorTop = this._terminal.buffer.y * cellHeight;\n      const cursorLeft = this._terminal.buffer.x * this._terminal.charMeasure.width;\n\n      this._compositionView.style.left = cursorLeft + 'px';\n      this._compositionView.style.top = cursorTop + 'px';\n      this._compositionView.style.height = cellHeight + 'px';\n      this._compositionView.style.lineHeight = cellHeight + 'px';\n      // Sync the textarea to the exact position of the composition view so the IME knows where the\n      // text is.\n      const compositionViewBounds = this._compositionView.getBoundingClientRect();\n      this._textarea.style.left = cursorLeft + 'px';\n      this._textarea.style.top = cursorTop + 'px';\n      this._textarea.style.width = compositionViewBounds.width + 'px';\n      this._textarea.style.height = compositionViewBounds.height + 'px';\n      this._textarea.style.lineHeight = compositionViewBounds.height + 'px';\n    }\n\n    if (!dontRecurse) {\n      setTimeout(() => this.updateCompositionElements(true), 0);\n    }\n  }\n\n  /**\n   * Clears the textarea's position so that the cursor does not blink on IE.\n   * @private\n   */\n  private _clearTextareaPosition(): void {\n    this._textarea.style.left = '';\n    this._textarea.style.top = '';\n  }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const wcwidth = (function(opts: {nul: number, control: number}): (ucs: number) => number {\n    // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n    // combining characters\n    const COMBINING_BMP = [\n      [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n      [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n      [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n      [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n      [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n      [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n      [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n      [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n      [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n      [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n      [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n      [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n      [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n      [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n      [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n      [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n      [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n      [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n      [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n      [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n      [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n      [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n      [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n      [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n      [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n      [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n      [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n      [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n      [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n      [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n      [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n      [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n      [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n      [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n      [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n      [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n      [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n      [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n      [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n      [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n      [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n      [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]\n    ];\n    const COMBINING_HIGH = [\n      [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n      [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n      [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n      [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n      [0xE0100, 0xE01EF]\n    ];\n    // binary search\n    function bisearch(ucs: number, data: number[][]): boolean {\n      let min = 0;\n      let max = data.length - 1;\n      let mid;\n      if (ucs < data[0][0] || ucs > data[max][1]) {\n        return false;\n      }\n      while (max >= min) {\n        mid = (min + max) >> 1;\n        if (ucs > data[mid][1]) {\n          min = mid + 1;\n        } else if (ucs < data[mid][0]) {\n          max = mid - 1;\n        } else {\n          return true;\n        }\n      }\n      return false;\n    }\n    function wcwidthBMP(ucs: number): number {\n      // test for 8-bit control characters\n      if (ucs === 0) {\n        return opts.nul;\n      }\n      if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) {\n        return opts.control;\n      }\n      // binary search in table of non-spacing characters\n      if (bisearch(ucs, COMBINING_BMP)) {\n        return 0;\n      }\n      // if we arrive here, ucs is not a combining or C0/C1 control character\n      if (isWideBMP(ucs)) {\n        return 2;\n      }\n      return 1;\n    }\n    function isWideBMP(ucs: number): boolean {\n      return (\n        ucs >= 0x1100 && (\n        ucs <= 0x115f ||                // Hangul Jamo init. consonants\n        ucs === 0x2329 ||\n        ucs === 0x232a ||\n        (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||  // CJK..Yi\n        (ucs >= 0xac00 && ucs <= 0xd7a3) ||    // Hangul Syllables\n        (ucs >= 0xf900 && ucs <= 0xfaff) ||    // CJK Compat Ideographs\n        (ucs >= 0xfe10 && ucs <= 0xfe19) ||    // Vertical forms\n        (ucs >= 0xfe30 && ucs <= 0xfe6f) ||    // CJK Compat Forms\n        (ucs >= 0xff00 && ucs <= 0xff60) ||    // Fullwidth Forms\n        (ucs >= 0xffe0 && ucs <= 0xffe6)));\n    }\n    function wcwidthHigh(ucs: number): 0 | 1 | 2 {\n      if (bisearch(ucs, COMBINING_HIGH)) {\n        return 0;\n      }\n      if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {\n        return 2;\n      }\n      return 1;\n    }\n    const control = opts.control | 0;\n    let table: number[] | Uint32Array = null;\n    function initTable(): number[] | Uint32Array {\n      // lookup table for BMP\n      const CODEPOINTS = 65536;  // BMP holds 65536 codepoints\n      const BITWIDTH = 2;        // a codepoint can have a width of 0, 1 or 2\n      const ITEMSIZE = 32;       // using uint32_t\n      const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;\n      const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;\n      table = (typeof Uint32Array === 'undefined')\n        ? new Array(CONTAINERSIZE)\n        : new Uint32Array(CONTAINERSIZE);\n      for (let i = 0; i < CONTAINERSIZE; ++i) {\n        let num = 0;\n        let pos = CODEPOINTS_PER_ITEM;\n        while (pos--) {\n          num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);\n        }\n        table[i] = num;\n      }\n      return table;\n    }\n    // get width from lookup table\n    //   position in container   : num / CODEPOINTS_PER_ITEM\n    //     ==> n = table[Math.floor(num / 16)]\n    //     ==> n = table[num >> 4]\n    //   16 codepoints per number:       FFEEDDCCBBAA99887766554433221100\n    //   position in number      : (num % CODEPOINTS_PER_ITEM) * BITWIDTH\n    //     ==> m = (n % 16) * 2\n    //     ==> m = (num & 15) << 1\n    //   right shift to position m\n    //     ==> n = n >> m     e.g. m=12  000000000000FFEEDDCCBBAA99887766\n    //   we are only interested in 2 LSBs, cut off higher bits\n    //     ==> n = n & 3      e.g.       000000000000000000000000000000XX\n    return function (num: number): number {\n      num = num | 0;  // get asm.js like optimization under V8\n      if (num < 32) {\n        return control | 0;\n      }\n      if (num < 127) {\n        return 1;\n      }\n      const t = table || initTable();\n      if (num < 65536) {\n        return t[num >> 4] >> ((num & 15) << 1) & 3;\n      }\n      // do a full search for high codepoints\n      return wcwidthHigh(num);\n    };\n})({nul: 0, control: 0});  // configurable options\n\n/**\n * Get the terminal cell width for a string.\n */\nexport function getStringCellWidth(s: string): number {\n  let result = 0;\n  for (let i = 0; i < s.length; ++i) {\n    let code = s.charCodeAt(i);\n    if (0xD800 <= code && code <= 0xDBFF) {\n      const low = s.charCodeAt(i + 1);\n      if (isNaN(low)) {\n        return result;\n      }\n      code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n    }\n    if (0xDC00 <= code && code <= 0xDFFF) {\n      continue;\n    }\n    result += wcwidth(code);\n  }\n  return result;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, IBufferSet } from './Types';\nimport { Buffer } from './Buffer';\nimport { EventEmitter } from './common/EventEmitter';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet extends EventEmitter implements IBufferSet {\n  private _normal: Buffer;\n  private _alt: Buffer;\n  private _activeBuffer: Buffer;\n\n  /**\n   * Create a new BufferSet for the given terminal.\n   * @param _terminal - The terminal the BufferSet will belong to\n   */\n  constructor(private _terminal: ITerminal) {\n    super();\n    this._normal = new Buffer(this._terminal, true);\n    this._normal.fillViewportRows();\n\n    // The alt buffer should never have scrollback.\n    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer\n    this._alt = new Buffer(this._terminal, false);\n    this._activeBuffer = this._normal;\n\n    this.setupTabStops();\n  }\n\n  /**\n   * Returns the alt Buffer of the BufferSet\n   */\n  public get alt(): Buffer {\n    return this._alt;\n  }\n\n  /**\n   * Returns the normal Buffer of the BufferSet\n   */\n  public get active(): Buffer {\n    return this._activeBuffer;\n  }\n\n  /**\n   * Returns the currently active Buffer of the BufferSet\n   */\n  public get normal(): Buffer {\n    return this._normal;\n  }\n\n  /**\n   * Sets the normal Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateNormalBuffer(): void {\n    if (this._activeBuffer === this._normal) {\n      return;\n    }\n    // The alt buffer should always be cleared when we switch to the normal\n    // buffer. This frees up memory since the alt buffer should always be new\n    // when activated.\n    this._alt.clear();\n    this._activeBuffer = this._normal;\n    this.emit('activate', {\n      activeBuffer: this._normal,\n      inactiveBuffer: this._alt\n    });\n  }\n\n  /**\n   * Sets the alt Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateAltBuffer(): void {\n    if (this._activeBuffer === this._alt) {\n      return;\n    }\n    // Since the alt buffer is always cleared when the normal buffer is\n    // activated, we want to fill it when switching to it.\n    this._alt.fillViewportRows();\n    this._activeBuffer = this._alt;\n    this.emit('activate', {\n      activeBuffer: this._alt,\n      inactiveBuffer: this._normal\n    });\n  }\n\n  /**\n   * Resizes both normal and alt buffers, adjusting their data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    this._normal.resize(newCols, newRows);\n    this._alt.resize(newCols, newRows);\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    this._normal.setupTabStops(i);\n    this._alt.setupTabStops(i);\n  }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { CharData, IBufferLine } from './Types';\nimport { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR } from './Buffer';\n\n/**\n * Class representing a terminal line.\n */\nexport class BufferLine implements IBufferLine {\n  static blankLine(cols: number, attr: number, isWrapped?: boolean): IBufferLine {\n    const ch: CharData = [attr, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];\n    return new BufferLine(cols, ch, isWrapped);\n  }\n  protected _data: CharData[];\n  public isWrapped = false;\n  public length: number;\n\n  constructor(cols?: number, ch?: CharData, isWrapped?: boolean) {\n    this._data = [];\n    this.length = this._data.length;\n    if (cols) {\n      if (!ch) {\n        ch = [0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];\n      }\n      for (let i = 0; i < cols; i++) {\n        this.push(ch);  // Note: the ctor ch is not cloned (resembles old behavior)\n      }\n    }\n    if (isWrapped) {\n      this.isWrapped = true;\n    }\n  }\n\n  public get(index: number): CharData {\n    return this._data[index];\n  }\n\n  public set(index: number, data: CharData): void {\n    this._data[index] = data;\n  }\n\n  public pop(): CharData | undefined  {\n    const data = this._data.pop();\n    this.length = this._data.length;\n    return data;\n  }\n\n  public push(data: CharData): void {\n    this._data.push(data);\n    this.length = this._data.length;\n  }\n\n  public splice(start: number, deleteCount: number, ...items: CharData[]): CharData[] {\n    const removed = this._data.splice(start, deleteCount, ...items);\n    this.length = this._data.length;\n    return removed;\n  }\n\n  /** insert n cells ch at pos, right cells are lost (stable length)  */\n  public insertCells(pos: number, n: number, ch: CharData): void {\n    while (n--) {\n      this.splice(pos, 0, ch);\n      this.pop();\n    }\n  }\n\n  /** delete n cells at pos, right side is filled with fill (stable length) */\n  public deleteCells(pos: number, n: number, fill: CharData): void {\n    while (n--) {\n      this.splice(pos, 1);\n      this.push(fill);\n    }\n  }\n\n  /** replace cells from pos to pos + n - 1 with fill */\n  public replaceCells(start: number, end: number, fill: CharData): void {\n    while (start < end  && start < this.length) {\n      this.set(start++, fill);  // Note: fill is not cloned (resembles old behavior)\n    }\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CircularList } from './common/CircularList';\nimport { CharData, ITerminal, IBuffer, IBufferLine, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult } from './Types';\nimport { EventEmitter } from './common/EventEmitter';\nimport { IMarker } from 'xterm';\nimport { BufferLine } from './BufferLine';\n\nexport const DEFAULT_ATTR = (0 << 18) | (257 << 9) | (256 << 0);\nexport const CHAR_DATA_ATTR_INDEX = 0;\nexport const CHAR_DATA_CHAR_INDEX = 1;\nexport const CHAR_DATA_WIDTH_INDEX = 2;\nexport const CHAR_DATA_CODE_INDEX = 3;\nexport const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1\n\nexport const NULL_CELL_CHAR = ' ';\nexport const NULL_CELL_WIDTH = 1;\nexport const NULL_CELL_CODE = 32;\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n *   - text content of this particular buffer\n *   - cursor position\n *   - scroll position\n */\nexport class Buffer implements IBuffer {\n  public lines: CircularList<IBufferLine>;\n  public ydisp: number;\n  public ybase: number;\n  public y: number;\n  public x: number;\n  public scrollBottom: number;\n  public scrollTop: number;\n  public tabs: any;\n  public savedY: number;\n  public savedX: number;\n  public markers: Marker[] = [];\n\n  /**\n   * Create a new Buffer.\n   * @param _terminal The terminal the Buffer will belong to.\n   * @param _hasScrollback Whether the buffer should respect the scrollback of\n   * the terminal.\n   */\n  constructor(\n    private _terminal: ITerminal,\n    private _hasScrollback: boolean\n  ) {\n    this.clear();\n  }\n\n  public get hasScrollback(): boolean {\n    return this._hasScrollback && this.lines.maxLength > this._terminal.rows;\n  }\n\n  public get isCursorInViewport(): boolean {\n    const absoluteY = this.ybase + this.y;\n    const relativeY = absoluteY - this.ydisp;\n    return (relativeY >= 0 && relativeY < this._terminal.rows);\n  }\n\n  /**\n   * Gets the correct buffer length based on the rows provided, the terminal's\n   * scrollback and whether this buffer is flagged to have scrollback or not.\n   * @param rows The terminal rows to use in the calculation.\n   */\n  private _getCorrectBufferLength(rows: number): number {\n    if (!this._hasScrollback) {\n      return rows;\n    }\n\n    const correctBufferLength = rows + this._terminal.options.scrollback;\n\n    return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;\n  }\n\n  /**\n   * Fills the buffer's viewport with blank lines.\n   */\n  public fillViewportRows(): void {\n    if (this.lines.length === 0) {\n      let i = this._terminal.rows;\n      while (i--) {\n        this.lines.push(BufferLine.blankLine(this._terminal.cols, DEFAULT_ATTR));\n      }\n    }\n  }\n\n  /**\n   * Clears the buffer to it's initial state, discarding all previous data.\n   */\n  public clear(): void {\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    this.x = 0;\n    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._terminal.rows));\n    this.scrollTop = 0;\n    this.scrollBottom = this._terminal.rows - 1;\n    this.setupTabStops();\n  }\n\n  /**\n   * Resizes the buffer, adjusting its data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    // Increase max length if needed before adjustments to allow space to fill\n    // as required.\n    const newMaxLength = this._getCorrectBufferLength(newRows);\n    if (newMaxLength > this.lines.maxLength) {\n      this.lines.maxLength = newMaxLength;\n    }\n\n    // The following adjustments should only happen if the buffer has been\n    // initialized/filled.\n    if (this.lines.length > 0) {\n      // Deal with columns increasing (we don't do anything when columns reduce)\n      if (this._terminal.cols < newCols) {\n        const ch: CharData = [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]; // does xterm use the default attr?\n        for (let i = 0; i < this.lines.length; i++) {\n          while (this.lines.get(i).length < newCols) {\n            this.lines.get(i).push(ch);\n          }\n        }\n      }\n\n      // Resize rows in both directions as needed\n      let addToY = 0;\n      if (this._terminal.rows < newRows) {\n        for (let y = this._terminal.rows; y < newRows; y++) {\n          if (this.lines.length < newRows + this.ybase) {\n            if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n              // There is room above the buffer and there are no empty elements below the line,\n              // scroll up\n              this.ybase--;\n              addToY++;\n              if (this.ydisp > 0) {\n                // Viewport is at the top of the buffer, must increase downwards\n                this.ydisp--;\n              }\n            } else {\n              // Add a blank line if there is no buffer left at the top to scroll to, or if there\n              // are blank lines after the cursor\n              this.lines.push(BufferLine.blankLine(newCols, DEFAULT_ATTR));\n            }\n          }\n        }\n      } else { // (this._terminal.rows >= newRows)\n        for (let y = this._terminal.rows; y > newRows; y--) {\n          if (this.lines.length > newRows + this.ybase) {\n            if (this.lines.length > this.ybase + this.y + 1) {\n              // The line is a blank line below the cursor, remove it\n              this.lines.pop();\n            } else {\n              // The line is the cursor, scroll down\n              this.ybase++;\n              this.ydisp++;\n            }\n          }\n        }\n      }\n\n      // Reduce max length if needed after adjustments, this is done after as it\n      // would otherwise cut data from the bottom of the buffer.\n      if (newMaxLength < this.lines.maxLength) {\n        // Trim from the top of the buffer and adjust ybase and ydisp.\n        const amountToTrim = this.lines.length - newMaxLength;\n        if (amountToTrim > 0) {\n          this.lines.trimStart(amountToTrim);\n          this.ybase = Math.max(this.ybase - amountToTrim, 0);\n          this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n        }\n        this.lines.maxLength = newMaxLength;\n      }\n\n      // Make sure that the cursor stays on screen\n      this.x = Math.min(this.x, newCols - 1);\n      this.y = Math.min(this.y, newRows - 1);\n      if (addToY) {\n        this.y += addToY;\n      }\n      this.savedY = Math.min(this.savedY, newRows - 1);\n      this.savedX = Math.min(this.savedX, newCols - 1);\n\n      this.scrollTop = 0;\n    }\n\n    this.scrollBottom = newRows - 1;\n  }\n\n  /**\n   * Translates a string index back to a BufferIndex.\n   * To get the correct buffer position the string must start at `startCol` 0\n   * (default in translateBufferLineToString).\n   * The method also works on wrapped line strings given rows were not trimmed.\n   * The method operates on the CharData string length, there are no\n   * additional content or boundary checks. Therefore the string and the buffer\n   * should not be altered in between.\n   * TODO: respect trim flag after fixing #1685\n   * @param lineIndex line index the string was retrieved from\n   * @param stringIndex index within the string\n   * @param startCol column offset the string was retrieved from\n   */\n  public stringIndexToBufferIndex(lineIndex: number, stringIndex: number): BufferIndex {\n    while (stringIndex) {\n      const line = this.lines.get(lineIndex);\n      if (!line) {\n        [-1, -1];\n      }\n      for (let i = 0; i < line.length; ++i) {\n        stringIndex -= line.get(i)[CHAR_DATA_CHAR_INDEX].length;\n        if (stringIndex < 0) {\n          return [lineIndex, i];\n        }\n      }\n      lineIndex++;\n    }\n    return [lineIndex, 0];\n  }\n\n  /**\n   * Translates a buffer line to a string, with optional start and end columns.\n   * Wide characters will count as two columns in the resulting string. This\n   * function is useful for getting the actual text underneath the raw selection\n   * position.\n   * @param line The line being translated.\n   * @param trimRight Whether to trim whitespace to the right.\n   * @param startCol The column to start at.\n   * @param endCol The column to end at.\n   */\n  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol: number = null): string {\n    // Get full line\n    let lineString = '';\n    const line = this.lines.get(lineIndex);\n    if (!line) {\n      return '';\n    }\n\n    // Initialize column and index values. Column values represent the actual\n    // cell column, indexes represent the index in the string. Indexes are\n    // needed here because some chars are 0 characters long (eg. after wide\n    // chars) and some chars are longer than 1 characters long (eg. emojis).\n    let startIndex = startCol;\n    // Only set endCol to the line length when it is null. 0 is a valid column.\n    if (endCol === null) {\n      endCol = line.length;\n    }\n    let endIndex = endCol;\n\n    for (let i = 0; i < line.length; i++) {\n      const char = line.get(i);\n      lineString += char[CHAR_DATA_CHAR_INDEX];\n      // Adjust start and end cols for wide characters if they affect their\n      // column indexes\n      if (char[CHAR_DATA_WIDTH_INDEX] === 0) {\n        if (startCol >= i) {\n          startIndex--;\n        }\n        if (endCol > i) {\n          endIndex--;\n        }\n      } else {\n        // Adjust the columns to take glyphs that are represented by multiple\n        // code points into account.\n        if (char[CHAR_DATA_CHAR_INDEX].length > 1) {\n          if (startCol > i) {\n            startIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;\n          }\n          if (endCol > i) {\n            endIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;\n          }\n        }\n      }\n    }\n\n    // Calculate the final end col by trimming whitespace on the right of the\n    // line if needed.\n    if (trimRight) {\n      const rightWhitespaceIndex = lineString.search(/\\s+$/);\n      if (rightWhitespaceIndex !== -1) {\n        endIndex = Math.min(endIndex, rightWhitespaceIndex);\n      }\n      // Return the empty string if only trimmed whitespace is selected\n      if (endIndex <= startIndex) {\n        return '';\n      }\n    }\n\n    return lineString.substring(startIndex, endIndex);\n  }\n\n  public getWrappedRangeForLine(y: number): { first: number, last: number } {\n    let first = y;\n    let last = y;\n    // Scan upwards for wrapped lines\n    while (first > 0 && this.lines.get(first).isWrapped) {\n      first--;\n    }\n    // Scan downwards for wrapped lines\n    while (last + 1 < this.lines.length && this.lines.get(last + 1).isWrapped) {\n      last++;\n    }\n    return { first, last };\n  }\n\n  /**\n   * Setup the tab stops.\n   * @param i The index to start setting up tab stops from.\n   */\n  public setupTabStops(i?: number): void {\n    if (i !== null && i !== undefined) {\n      if (!this.tabs[i]) {\n        i = this.prevStop(i);\n      }\n    } else {\n      this.tabs = {};\n      i = 0;\n    }\n\n    for (; i < this._terminal.cols; i += this._terminal.options.tabStopWidth) {\n      this.tabs[i] = true;\n    }\n  }\n\n  /**\n   * Move the cursor to the previous tab stop from the given position (default is current).\n   * @param x The position to move the cursor to the previous tab stop.\n   */\n  public prevStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[--x] && x > 0);\n    return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;\n  }\n\n  /**\n   * Move the cursor one tab stop forward from the given position (default is current).\n   * @param x The position to move the cursor one tab stop forward.\n   */\n  public nextStop(x?: number): number {\n    if (x === null || x === undefined) {\n      x = this.x;\n    }\n    while (!this.tabs[++x] && x < this._terminal.cols);\n    return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;\n  }\n\n  public addMarker(y: number): Marker {\n    const marker = new Marker(y);\n    this.markers.push(marker);\n    marker.register(this.lines.addDisposableListener('trim', amount => {\n      marker.line -= amount;\n      // The marker should be disposed when the line is trimmed from the buffer\n      if (marker.line < 0) {\n        marker.dispose();\n      }\n    }));\n    marker.register(marker.addDisposableListener('dispose', () => this._removeMarker(marker)));\n    return marker;\n  }\n\n  private _removeMarker(marker: Marker): void {\n    // TODO: This could probably be optimized by relying on sort order and trimming the array using .length\n    this.markers.splice(this.markers.indexOf(marker), 1);\n  }\n\n  public iterator(trimRight: boolean, startIndex?: number, endIndex?: number, startOverscan?: number, endOverscan?: number): IBufferStringIterator {\n    return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);\n  }\n}\n\nexport class Marker extends EventEmitter implements IMarker {\n  private static _nextId = 1;\n\n  private _id: number = Marker._nextId++;\n  public isDisposed: boolean = false;\n\n  public get id(): number { return this._id; }\n\n  constructor(\n    public line: number\n  ) {\n    super();\n  }\n\n  public dispose(): void {\n    if (this.isDisposed) {\n      return;\n    }\n    this.isDisposed = true;\n    // Emit before super.dispose such that dispose listeners get a change to react\n    this.emit('dispose');\n    super.dispose();\n  }\n}\n\n/**\n * Iterator to get unwrapped content strings from the buffer.\n * The iterator returns at least the string data between the borders\n * `startIndex` and `endIndex` (exclusive) and will expand the lines\n * by `startOverscan` to the top and by `endOverscan` to the bottom,\n * if no new line was found in between.\n * It will never read/return string data beyond `startIndex - startOverscan`\n * or `endIndex + endOverscan`. Therefore the first and last line might be truncated.\n * It is possible to always get the full string for the first and last line as well\n * by setting the overscan values to the actual buffer length. This not recommended\n * since it might return the whole buffer within a single string in a worst case scenario.\n */\nexport class BufferStringIterator implements IBufferStringIterator {\n  private _current: number;\n\n  constructor (\n    private _buffer: IBuffer,\n    private _trimRight: boolean,\n    private _startIndex: number = 0,\n    private _endIndex: number = _buffer.lines.length,\n    private _startOverscan: number = 0,\n    private _endOverscan: number = 0\n  ) {\n    if (this._startIndex < 0) {\n      this._startIndex = 0;\n    }\n    if (this._endIndex > this._buffer.lines.length) {\n      this._endIndex = this._buffer.lines.length;\n    }\n    this._current = this._startIndex;\n  }\n\n  public hasNext(): boolean {\n    return this._current < this._endIndex;\n  }\n\n  public next(): IBufferStringIteratorResult {\n    const range = this._buffer.getWrappedRangeForLine(this._current);\n    // limit search window to overscan value at both borders\n    if (range.first < this._startIndex - this._startOverscan) {\n      range.first = this._startIndex - this._startOverscan;\n    }\n    if (range.last > this._endIndex + this._endOverscan) {\n      range.last = this._endIndex + this._endOverscan;\n    }\n    // limit to current buffer length\n    range.first = Math.max(range.first, 0);\n    range.last = Math.min(range.last, this._buffer.lines.length);\n    let result = '';\n    for (let i = range.first; i <= range.last; ++i) {\n      // TODO: always apply trimRight after fixing #1685\n      result += this._buffer.translateBufferLineToString(i, (this._trimRight) ? i === range.last : false);\n    }\n    this._current = range.last + 1;\n    return {range: range, content: result};\n  }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from './Strings';\nimport { ITerminal, IBuffer } from './Types';\nimport { isMac } from './shared/utils/Browser';\nimport { RenderDebouncer } from './ui/RenderDebouncer';\nimport { addDisposableDomListener } from './ui/Lifecycle';\nimport { Disposable } from './common/Lifecycle';\n\nconst MAX_ROWS_TO_READ = 20;\n\nconst enum BoundaryPosition {\n  TOP,\n  BOTTOM\n}\n\nexport class AccessibilityManager extends Disposable {\n  private _accessibilityTreeRoot: HTMLElement;\n  private _rowContainer: HTMLElement;\n  private _rowElements: HTMLElement[];\n  private _liveRegion: HTMLElement;\n  private _liveRegionLineCount: number = 0;\n\n  private _renderRowsDebouncer: RenderDebouncer;\n\n  private _topBoundaryFocusListener: (e: FocusEvent) => void;\n  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;\n\n  /**\n   * This queue has a character pushed to it for keys that are pressed, if the\n   * next character added to the terminal is equal to the key char then it is\n   * not announced (added to live region) because it has already been announced\n   * by the textarea event (which cannot be canceled). There are some race\n   * condition cases if there is typing while data is streaming, but this covers\n   * the main case of typing into the prompt and inputting the answer to a\n   * question (Y/N, etc.).\n   */\n  private _charsToConsume: string[] = [];\n\n  constructor(private _terminal: ITerminal) {\n    super();\n    this._accessibilityTreeRoot = document.createElement('div');\n    this._accessibilityTreeRoot.classList.add('xterm-accessibility');\n\n    this._rowContainer = document.createElement('div');\n    this._rowContainer.classList.add('xterm-accessibility-tree');\n    this._rowElements = [];\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._rowElements[i] = this._createAccessibilityTreeNode();\n      this._rowContainer.appendChild(this._rowElements[i]);\n    }\n\n    this._topBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.TOP);\n    this._bottomBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.BOTTOM);\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    this._refreshRowsDimensions();\n    this._accessibilityTreeRoot.appendChild(this._rowContainer);\n\n    this._renderRowsDebouncer = new RenderDebouncer(this._terminal, this._renderRows.bind(this));\n    this._refreshRows();\n\n    this._liveRegion = document.createElement('div');\n    this._liveRegion.classList.add('live-region');\n    this._liveRegion.setAttribute('aria-live', 'assertive');\n    this._accessibilityTreeRoot.appendChild(this._liveRegion);\n\n    this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityTreeRoot);\n\n    this.register(this._renderRowsDebouncer);\n    this.register(this._terminal.addDisposableListener('resize', data => this._onResize(data.rows)));\n    this.register(this._terminal.addDisposableListener('refresh', data => this._refreshRows(data.start, data.end)));\n    this.register(this._terminal.addDisposableListener('scroll', data => this._refreshRows()));\n    // Line feed is an issue as the prompt won't be read out after a command is run\n    this.register(this._terminal.addDisposableListener('a11y.char', (char) => this._onChar(char)));\n    this.register(this._terminal.addDisposableListener('linefeed', () => this._onChar('\\n')));\n    this.register(this._terminal.addDisposableListener('a11y.tab', spaceCount => this._onTab(spaceCount)));\n    this.register(this._terminal.addDisposableListener('key', keyChar => this._onKey(keyChar)));\n    this.register(this._terminal.addDisposableListener('blur', () => this._clearLiveRegion()));\n    // TODO: Maybe renderer should fire an event on terminal when the characters change and that\n    //       should be listened to instead? That would mean that the order of events are always\n    //       guarenteed\n    this.register(this._terminal.addDisposableListener('dprchange', () => this._refreshRowsDimensions()));\n    this.register(this._terminal.renderer.addDisposableListener('resize', () => this._refreshRowsDimensions()));\n    // This shouldn't be needed on modern browsers but is present in case the\n    // media query that drives the dprchange event isn't supported\n    this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));\n  }\n\n  public dispose(): void {\n    super.dispose();\n    this._terminal.element.removeChild(this._accessibilityTreeRoot);\n    this._rowElements.length = 0;\n  }\n\n  private _onBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {\n    const boundaryElement = <HTMLElement>e.target;\n    const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];\n\n    // Don't scroll if the buffer top has reached the end in that direction\n    const posInSet = boundaryElement.getAttribute('aria-posinset');\n    const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;\n    if (posInSet === lastRowPos) {\n      return;\n    }\n\n    // Don't scroll when the last focused item was not the second row (focus is going the other\n    // direction)\n    if (e.relatedTarget !== beforeBoundaryElement) {\n      return;\n    }\n\n    // Remove old boundary element from array\n    let topBoundaryElement: HTMLElement;\n    let bottomBoundaryElement: HTMLElement;\n    if (position === BoundaryPosition.TOP) {\n      topBoundaryElement = boundaryElement;\n      bottomBoundaryElement = this._rowElements.pop()!;\n      this._rowContainer.removeChild(bottomBoundaryElement);\n    } else {\n      topBoundaryElement = this._rowElements.shift()!;\n      bottomBoundaryElement = boundaryElement;\n      this._rowContainer.removeChild(topBoundaryElement);\n    }\n\n    // Remove listeners from old boundary elements\n    topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);\n    bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Add new element to array/DOM\n    if (position === BoundaryPosition.TOP) {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.unshift(newElement);\n      this._rowContainer.insertAdjacentElement('afterbegin', newElement);\n    } else {\n      const newElement = this._createAccessibilityTreeNode();\n      this._rowElements.push(newElement);\n      this._rowContainer.appendChild(newElement);\n    }\n\n    // Add listeners to new boundary elements\n    this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n    this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n    // Scroll up\n    this._terminal.scrollLines(position === BoundaryPosition.TOP ? 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Strings.blankLine : lineData;\n      element.setAttribute('aria-posinset', posInSet);\n      element.setAttribute('aria-setsize', setSize);\n    }\n  }\n\n  private _refreshRowsDimensions(): void {\n    if (!this._terminal.renderer.dimensions.actualCellHeight) {\n      return;\n    }\n    if (this._rowElements.length !== this._terminal.rows) {\n      this._onResize(this._terminal.rows);\n    }\n    for (let i = 0; i < this._terminal.rows; i++) {\n      this._refreshRowDimensions(this._rowElements[i]);\n    }\n  }\n\n  private _refreshRowDimensions(element: HTMLElement): void {\n    element.style.height = `${this._terminal.renderer.dimensions.actualCellHeight}px`;\n  }\n\n  private _announceCharacter(char: string): void {\n    if (char === ' ') {\n      // Always use nbsp for spaces in order to preserve the space between characters in\n      // voiceover's caption window\n      this._liveRegion.innerHTML += '&nbsp;';\n    } else {\n      this._liveRegion.textContent += char;\n    }\n  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diff --git a/static/zmodem/zmodem.devel.js b/static/zmodem/zmodem.devel.js
new file mode 100644
index 0000000000000000000000000000000000000000..b7c12fb79ba46e1190104ae51ba1eb7a489f3674
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+++ b/static/zmodem/zmodem.devel.js
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+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+const
+    ZDLE = 0x18,
+    XON = 0x11,
+    XOFF = 0x13,
+    XON_HIGH = 0x80 | XON,
+    XOFF_HIGH = 0x80 | XOFF,
+    CAN = 0x18     //NB: same character as ZDLE
+;
+
+/**
+ * Tools and constants that are useful for ZMODEM.
+ *
+ * @exports ZMLIB
+ */
+Zmodem.ZMLIB = {
+
+    /**
+     * @property {number} The ZDLE constant, which ZMODEM uses for escaping
+     */
+    ZDLE: ZDLE,
+
+    /**
+     * @property {number} XON - ASCII XON
+     */
+    XON: XON,
+
+    /**
+     * @property {number} XOFF - ASCII XOFF
+     */
+    XOFF: XOFF,
+
+    /**
+     * @property {number[]} ABORT_SEQUENCE - ZMODEM鈥檚 abort sequence
+     */
+    ABORT_SEQUENCE: [ CAN, CAN, CAN, CAN, CAN ],
+
+    /**
+     * Remove octet values from the given array that ZMODEM always ignores.
+     * This will mutate the given array.
+     *
+     * @param {number[]} octets - The octet values to transform.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {number[]} The passed-in array. This is the same object that is
+     *      passed in.
+     */
+    strip_ignored_bytes: function strip_ignored_bytes(octets) {
+        for (var o=octets.length-1; o>=0; o--) {
+            switch (octets[o]) {
+                case XON:
+                case XON_HIGH:
+                case XOFF:
+                case XOFF_HIGH:
+                    octets.splice(o, 1);
+                    continue;
+            }
+        }
+
+        return octets;
+    },
+
+    /**
+     * Like Array.prototype.indexOf, but searches for a subarray
+     * rather than just a particular value.
+     *
+     * @param {Array} haystack - The array to search, i.e., the bigger.
+     *
+     * @param {Array} needle - The array whose values to find,
+     *      i.e., the smaller.
+     *
+     * @returns {number} The position in 鈥渉aystack鈥� where 鈥渘eedle鈥�
+     *      first appears鈥攐r, -1 if 鈥渘eedle鈥� doesn鈥檛 appear anywhere
+     *      in 鈥渉aystack鈥�.
+     */
+    find_subarray: function find_subarray(haystack, needle) {
+        var h=0, n;
+
+        var start = Date.now();
+
+        HAYSTACK:
+        while (h !== -1) {
+            h = haystack.indexOf( needle[0], h );
+            if (h === -1) break HAYSTACK;
+
+            for (n=1; n<needle.length; n++) {
+                if (haystack[h + n] !== needle[n]) {
+                    h++;
+                    continue HAYSTACK;
+                }
+            }
+
+            return h;
+        }
+
+        return -1;
+    },
+};
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+function _crc_message(got, expected) {
+    this.got = got.slice(0);
+    this.expected = expected.slice(0);
+    return "CRC check failed! (got: " + got.join() + "; expected: " + expected.join() + ")";
+}
+
+function _pass(val) { return val }
+
+const TYPE_MESSAGE = {
+    aborted: "Session aborted",
+    peer_aborted: "Peer aborted session",
+    already_aborted: "Session already aborted",
+    crc: _crc_message,
+    validation: _pass,
+};
+
+function _generate_message(type) {
+    const msg = TYPE_MESSAGE[type];
+    switch (typeof msg) {
+        case "string":
+            return msg;
+        case "function":
+            var args_after_type = [].slice.call(arguments).slice(1);
+            return msg.apply(this, args_after_type);
+    }
+
+    return null;
+}
+
+Zmodem.Error = class ZmodemError extends Error {
+    constructor(msg_or_type) {
+        super();
+
+        var generated = _generate_message.apply(this, arguments);
+        if (generated) {
+            this.type = msg_or_type;
+            this.message = generated;
+        }
+        else {
+            this.message = msg_or_type;
+        }
+    }
+};
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+const HEX_DIGITS = [ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102 ];
+
+const HEX_OCTET_VALUE = {};
+for (var hd=0; hd<HEX_DIGITS.length; hd++) {
+    HEX_OCTET_VALUE[ HEX_DIGITS[hd] ] = hd;
+}
+
+/**
+ * General, non-ZMODEM-specific encoding logic.
+ *
+ * @exports ENCODELIB
+ */
+Zmodem.ENCODELIB = {
+
+    /**
+     * Return an array with the given number as 2 big-endian bytes.
+     *
+     * @param {number} number - The number to encode.
+     *
+     * @returns {number[]} The octet values.
+     */
+    pack_u16_be: function pack_u16_be(number) {
+        if (number > 0xffff) throw( "Number cannot exceed 16 bits: " + number )
+
+        return [ number >> 8, number & 0xff ];
+    },
+
+    /**
+     * Return an array with the given number as 4 little-endian bytes.
+     *
+     * @param {number} number - The number to encode.
+     *
+     * @returns {number[]} The octet values.
+     */
+    pack_u32_le: function pack_u32_le(number) {
+        //Can鈥檛 bit-shift because that runs into JS鈥檚 bit-shift problem.
+        //(See _updcrc32() for an example.)
+        var high_bytes = number / 65536;   //fraction is ok
+
+        //a little-endian 4-byte sequence
+        return [
+            number & 0xff,
+            (number & 65535) >> 8,
+            high_bytes & 0xff,
+            high_bytes >> 8,
+        ];
+    },
+
+    /**
+     * The inverse of pack_u16_be() - i.e., take in 2 octet values
+     * and parse them as an unsigned, 2-byte big-endian number.
+     *
+     * @param {number[]} octets - The octet values (2 of them).
+     *
+     * @returns {number} The decoded number.
+     */
+    unpack_u16_be: function unpack_u16_be(bytes_arr) {
+        return (bytes_arr[0] << 8) + bytes_arr[1];
+    },
+
+    /**
+     * The inverse of pack_u32_le() - i.e., take in a 4-byte sequence
+     * and parse it as an unsigned, 4-byte little-endian number.
+     *
+     * @param {number[]} octets - The octet values (4 of them).
+     *
+     * @returns {number} The decoded number.
+     */
+    unpack_u32_le: function unpack_u32_le(octets) {
+        //<sigh> 鈥� (254 << 24 is -33554432, according to JavaScript)
+        return octets[0] + (octets[1] << 8) + (octets[2] << 16) + (octets[3] * 16777216);
+    },
+
+    /**
+     * Encode a series of octet values to be the octet values that
+     * correspond to the ASCII hex characters for each octet. The
+     * returned array is suitable for use as binary data.
+     *
+     * For example:
+     *
+     *      Original    Hex     Returned
+     *      254         fe      102, 101
+     *       12         0c      48, 99
+     *      129         81      56, 49
+     *
+     * @param {number[]} octets - The original octet values.
+     *
+     * @returns {number[]} The octet values that correspond to an ASCII
+     *  representation of the given octets.
+     */
+    octets_to_hex: function octets_to_hex(octets) {
+        var hex = [];
+        for (var o=0; o<octets.length; o++) {
+            hex.push(
+                HEX_DIGITS[ octets[o] >> 4 ],
+                HEX_DIGITS[ octets[o] & 0x0f ]
+            );
+        }
+
+        return hex;
+    },
+
+    /**
+     * The inverse of octets_to_hex(): takes an array
+     * of hex octet pairs and returns their octet values.
+     *
+     * @param {number[]} hex_octets - The hex octet values.
+     *
+     * @returns {number[]} The parsed octet values.
+     */
+    parse_hex_octets: function parse_hex_octets(hex_octets) {
+        var octets = new Array(hex_octets.length / 2);
+
+        for (var i=0; i<octets.length; i++) {
+            octets[i] = (HEX_OCTET_VALUE[ hex_octets[2 * i] ] << 4) + HEX_OCTET_VALUE[ hex_octets[1 + 2 * i] ];
+        }
+
+        return octets;
+    },
+};
+
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(0)
+);
+
+//encode() variables - declare them here so we don鈥檛
+//create them in the function.
+var encode_cur, encode_todo;
+
+const ZDLE = Zmodem.ZMLIB.ZDLE;
+
+/**
+ * Class that handles ZDLE encoding and decoding.
+ * Encoding is subject to a given configuration--specifically, whether
+ * we want to escape all control characters. Decoding is static; however
+ * a given string is encoded we can always decode it.
+ */
+Zmodem.ZDLE = class ZmodemZDLE {
+    /**
+     * Create a ZDLE encoder.
+     *
+     * @param {object} [config] - The initial configuration.
+     * @param {object} config.escape_ctrl_chars - Whether the ZDLE encoder
+     *  should escape control characters.
+     */
+    constructor(config) {
+        this._config = {};
+        if (config) {
+            this.set_escape_ctrl_chars(!!config.escape_ctrl_chars);
+        }
+    }
+
+    /**
+     * Enable or disable control-character escaping.
+     * You should probably enable this for sender sessions.
+     *
+     * @param {boolean} value - Whether to enable (true) or disable (false).
+     */
+    set_escape_ctrl_chars(value) {
+        if (typeof value !== "boolean") throw "need boolean!";
+
+        if (value !== this._config.escape_ctrl_chars) {
+            this._config.escape_ctrl_chars = value;
+            this._setup_zdle_table();
+        }
+    }
+
+    /**
+     * Whether or not control-character escaping is enabled.
+     *
+     * @return {boolean} Whether the escaping is on (true) or off (false).
+     */
+    escapes_ctrl_chars() {
+        return !!this._config.escape_ctrl_chars;
+    }
+
+    //I don鈥檛 know of any Zmodem implementations that use ZESC8
+    //(鈥渆scape_8th_bit鈥�)??
+
+    /*
+    ZMODEM software escapes ZDLE, 020, 0220, 021, 0221, 023, and 0223.  If
+    preceded by 0100 or 0300 (@), 015 and 0215 are also escaped to protect the
+    Telenet command escape CR-@-CR.
+    */
+
+    /**
+     * Encode an array of octet values and return it.
+     * This will mutate the given array.
+     *
+     * @param {number[]} octets - The octet values to transform.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {number[]} The passed-in array, transformed. This is the
+     *  same object that is passed in.
+     */
+    encode(octets) {
+        //NB: Performance matters here!
+
+        if (!this._zdle_table) throw "No ZDLE encode table configured!";
+
+        var zdle_table = this._zdle_table;
+
+        var last_code = this._lastcode;
+
+        var arrbuf = new ArrayBuffer( 2 * octets.length );
+        var arrbuf_uint8 = new Uint8Array(arrbuf);
+
+        var escctl_yn = this._config.escape_ctrl_chars;
+
+        var arrbuf_i = 0;
+
+        for (encode_cur=0; encode_cur<octets.length; encode_cur++) {
+
+            encode_todo = zdle_table[octets[encode_cur]];
+            if (!encode_todo) {
+                console.trace();
+                console.error("bad encode() call:", JSON.stringify(octets));
+                this._lastcode = last_code;
+                throw( "Invalid octet: " + octets[encode_cur] );
+            }
+
+            last_code = octets[encode_cur];
+
+            if (encode_todo === 1) {
+                //Do nothing; we append last_code below.
+            }
+
+            //0x40 = '@'; i.e., only escape if the last
+            //octet was '@'.
+            else if (escctl_yn || (encode_todo === 2) || ((last_code & 0x7f) === 0x40)) {
+                arrbuf_uint8[arrbuf_i] = ZDLE;
+                arrbuf_i++;
+
+                last_code ^= 0x40;   //0100
+            }
+
+            arrbuf_uint8[arrbuf_i] = last_code;
+
+            arrbuf_i++;
+        }
+
+        this._lastcode = last_code;
+
+        octets.splice(0);
+        octets.push.apply(octets, new Uint8Array( arrbuf, 0, arrbuf_i ));
+
+        return octets;
+    }
+
+    /**
+     * Decode an array of octet values and return it.
+     * This will mutate the given array.
+     *
+     * @param {number[]} octets - The octet values to transform.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {number[]} The passed-in array.
+     *  This is the same object that is passed in.
+     */
+    static decode(octets) {
+        for (var o=octets.length-1; o>=0; o--) {
+            if (octets[o] === ZDLE) {
+                octets.splice( o, 2, octets[o+1] - 64 );
+            }
+        }
+
+        return octets;
+    }
+
+    /**
+     * Remove, ZDLE-decode, and return bytes from the passed-in array.
+     * If the requested number of ZDLE-encoded bytes isn鈥檛 available,
+     * then the passed-in array is unmodified (and the return is undefined).
+     *
+     * @param {number[]} octets - The octet values to transform.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @param {number} offset - The number of (undecoded) bytes to skip
+     *      at the beginning of the 鈥渙ctets鈥� array.
+     *
+     * @param {number} count - The number of bytes (octet values) to return.
+     *
+     * @returns {number[]|undefined} An array with the requested number of
+     *      decoded octet values, or undefined if that number of decoded
+     *      octets isn鈥檛 available (given the passed-in offset).
+     */
+    static splice(octets, offset, count) {
+        var so_far = 0;
+
+        if (!offset) offset = 0;
+
+        for (var i = offset; i<octets.length && so_far<count; i++) {
+            so_far++;
+
+            if (octets[i] === ZDLE) i++;
+        }
+
+        if (so_far === count) {
+
+            //Don鈥檛 accept trailing ZDLE. This check works
+            //because of the i++ logic above.
+            if (octets.length === (i - 1)) return;
+
+            octets.splice(0, offset);
+            return ZmodemZDLE.decode( octets.splice(0, i - offset) );
+        }
+
+        return;
+    }
+
+    _setup_zdle_table() {
+        var zsendline_tab = new Array(256);
+        for (var i=0; i<zsendline_tab.length; i++) {
+
+            //1 = never escape
+            //2 = always escape
+            //3 = escape only if the previous byte was '@'
+
+            //Never escape characters from 0x20 (32) to 0x7f (127).
+            //This is the range of printable characters, plus DEL.
+            //I guess ZMODEM doesn鈥檛 consider DEL to be a control character?
+            if ( i & 0x60 ) {
+                zsendline_tab[i] = 1;
+            }
+            else {
+                switch(i) {
+                    case ZDLE:  //NB: no (ZDLE | 0x80)
+                    case Zmodem.ZMLIB.XOFF:
+                    case Zmodem.ZMLIB.XON:
+                    case (Zmodem.ZMLIB.XOFF | 0x80):
+                    case (Zmodem.ZMLIB.XON | 0x80):
+                        zsendline_tab[i] = 2;
+                        break;
+
+                    case 0x10:  // 020
+                    case 0x90:  // 0220
+                        zsendline_tab[i] = this._config.turbo_escape ? 1 : 2;
+                        break;
+
+                    case 0x0d:  // 015
+                    case 0x8d:  // 0215
+                        zsendline_tab[i] = this._config.escape_ctrl_chars ? 2 : !this._config.turbo_escape ? 3 : 1;
+                        break;
+
+                    default:
+                        zsendline_tab[i] = this._config.escape_ctrl_chars ? 2 : 1;
+                }
+            }
+        }
+
+        this._zdle_table = zsendline_tab;
+    }
+}
+
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const CRC32_MOD = __webpack_require__(12);
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(1),
+    __webpack_require__(2)
+);
+
+//----------------------------------------------------------------------
+// BEGIN adapted from crc-js by Johannes Rudolph
+
+var _crctab;
+
+const
+    crc_width = 16,
+    crc_polynomial = 0x1021,
+    crc_castmask = 0xffff,
+    crc_msbmask = 1 << (crc_width - 1)
+;
+
+function _compute_crctab() {
+    _crctab = new Array(256);
+
+    var divident_shift = crc_width - 8;
+
+    for (var divident = 0; divident < 256; divident++) {
+        var currByte = (divident << divident_shift) & crc_castmask;
+
+        for (var bit = 0; bit < 8; bit++) {
+
+            if ((currByte & crc_msbmask) !== 0) {
+                currByte <<= 1;
+                currByte ^= crc_polynomial;
+            }
+            else {
+                currByte <<= 1;
+            }
+        }
+
+        _crctab[divident] = (currByte & crc_castmask);
+    }
+}
+
+// END adapted from crc-js by Johannes Rudolph
+//----------------------------------------------------------------------
+
+function _updcrc(cp, crc) {
+    if (!_crctab) _compute_crctab();
+
+    return(
+        _crctab[((crc >> 8) & 255)]
+        ^ ((255 & crc) << 8)
+        ^ cp
+    );
+}
+
+function __verify(expect, got) {
+    var err;
+
+    if ( expect.join() !== got.join() ) {
+        throw new Zmodem.Error("crc", got, expect);
+    }
+}
+
+//TODO: use external implementation(s)
+Zmodem.CRC = {
+
+    //https://www.lammertbies.nl/comm/info/crc-calculation.html
+    //CRC-CCITT (XModem)
+
+    /**
+     * Deduce a given set of octet values鈥� CRC16, as per the CRC16
+     * variant that ZMODEM uses (CRC-CCITT/XModem).
+     *
+     * @param {Array} octets - The array of octet values.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *
+     * @returns {Array} crc - The CRC, expressed as an array of octet values.
+     */
+    crc16: function crc16(octet_nums) {
+        var crc = octet_nums[0];
+        for (var b=1; b<octet_nums.length; b++) {
+            crc = _updcrc( octet_nums[b], crc );
+        }
+
+        crc = _updcrc( 0, _updcrc(0, crc) );
+
+        //a big-endian 2-byte sequence
+        return Zmodem.ENCODELIB.pack_u16_be(crc);
+    },
+
+    /**
+     * Deduce a given set of octet values鈥� CRC32.
+     *
+     * @param {Array} octets - The array of octet values.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *
+     * @returns {Array} crc - The CRC, expressed as an array of octet values.
+     */
+    crc32: function crc32(octet_nums) {
+        return Zmodem.ENCODELIB.pack_u32_le(
+            CRC32_MOD.buf(octet_nums) >>> 0     //bit-shift to get unsigned
+        );
+    },
+
+    /**
+     * Verify a given set of octet values鈥� CRC16.
+     * An exception is thrown on failure.
+     *
+     * @param {Array} bytes_arr - The array of octet values.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *
+     * @param {Array} crc - The CRC to check against, expressed as
+     *      an array of octet values.
+     */
+    verify16: function verify16(bytes_arr, got) {
+        return __verify( this.crc16(bytes_arr), got );
+    },
+
+    /**
+     * Verify a given set of octet values鈥� CRC32.
+     * An exception is thrown on failure.
+     *
+     * @param {Array} bytes_arr - The array of octet values.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *
+     * @param {Array} crc - The CRC to check against, expressed as
+     *      an array of octet values.
+     */
+    verify32: function verify32(bytes_arr, crc) {
+        try {
+            __verify( this.crc32(bytes_arr), crc );
+        }
+        catch(err) {
+            err.input = bytes_arr.slice(0);
+            throw err;
+        }
+    },
+};
+
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = __webpack_require__(6);
+
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+//TODO: Make this usable without require.js or what not.
+window.Zmodem = Zmodem;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(7)
+);
+
+function _check_aborted(session) {
+    if (session.aborted()) {
+        throw new Zmodem.Error("aborted");
+    }
+}
+
+/** Browser-specific tools
+ *
+ * @exports Browser
+ */
+Zmodem.Browser = {
+
+    /**
+     * Send a batch of files in sequence. The session is left open
+     * afterward, which allows for more files to be sent if desired.
+     *
+     * @param {Zmodem.Session} session - The send session
+     *
+     * @param {FileList|Array} files - A list of File objects
+     *
+     * @param {Object} [options]
+     * @param {Function} [options.on_offer_response] - Called when an
+     * offer response arrives. Arguments are:
+     *
+     * - (File) - The File object that corresponds to the offer.
+     * - (Transfer|undefined) - If the receiver accepts the offer, then
+     * this is a Transfer object; otherwise it鈥檚 undefined.
+     *
+     * @param {Function} [options.on_progress] - Called immediately
+     * after a chunk of a file is sent. Arguments are:
+     *
+     * - (File) - The File object that corresponds to the file.
+     * - (Transfer) - The Transfer object for the current transfer.
+     * - (Uint8Array) - The chunk of data that was just loaded from disk
+     * and sent to the receiver.
+     *
+     * @param {Function} [options.on_file_complete] - Called immediately
+     * after the last file packet is sent. Arguments are:
+     *
+     * - (File) - The File object that corresponds to the file.
+     * - (Transfer) - The Transfer object for the now-completed transfer.
+     *
+     * @return {Promise} A Promise that fulfills when the batch is done.
+     *      Note that skipped files are not considered an error condition.
+     */
+    send_files: function send_files(session, files, options) {
+        if (!options) options = {};
+
+        //Populate the batch in reverse order to simplify sending
+        //the remaining files/bytes components.
+        var batch = [];
+        var total_size = 0;
+        for (var f=files.length - 1; f>=0; f--) {
+            var fobj = files[f];
+            total_size += fobj.size;
+            batch[f] = {
+                obj: fobj,
+                name: fobj.name,
+                size: fobj.size,
+                mtime: new Date(fobj.lastModified),
+                files_remaining: files.length - f,
+                bytes_remaining: total_size,
+            };
+        }
+
+        var file_idx = 0;
+        function promise_callback() {
+            var cur_b = batch[file_idx];
+
+            if (!cur_b) {
+                return Promise.resolve(); //batch done!
+            }
+
+            file_idx++;
+
+            return session.send_offer(cur_b).then( function after_send_offer(xfer) {
+                if (options.on_offer_response) {
+                    options.on_offer_response(cur_b.obj, xfer);
+                }
+
+                if (xfer === undefined) {
+                    return promise_callback();   //skipped
+                }
+
+                return new Promise( function(res) {
+                    var reader = new FileReader();
+
+                    //This really shouldn鈥檛 happen 鈥� so let鈥檚
+                    //blow up if it does.
+                    reader.onerror = function reader_onerror(e) {
+                        console.error("file read error", e);
+                        throw("File read error: " + e);
+                    };
+
+                    var piece;
+                    reader.onprogress = function reader_onprogress(e) {
+
+                        //Some browsers (e.g., Chrome) give partial returns,
+                        //while others (e.g., Firefox) don鈥檛.
+                        if (e.target.result) {
+                            piece = new Uint8Array(e.target.result, xfer.get_offset())
+
+                            _check_aborted(session);
+
+                            xfer.send(piece);
+
+                            if (options.on_progress) {
+                                options.on_progress(cur_b.obj, xfer, piece);
+                            }
+                        }
+                    };
+
+                    reader.onload = function reader_onload(e) {
+                        piece = new Uint8Array(e.target.result, xfer, piece)
+
+                        _check_aborted(session);
+
+                        xfer.end(piece).then( function() {
+                            if (options.on_progress && piece.length) {
+                                options.on_progress(cur_b.obj, xfer, piece);
+                            }
+
+                            if (options.on_file_complete) {
+                                options.on_file_complete(cur_b.obj, xfer);
+                            }
+
+                            //Resolve the current file-send promise with
+                            //another promise. That promise resolves immediately
+                            //if we鈥檙e done, or with another file-send promise
+                            //if there鈥檚 more to send.
+                            res( promise_callback() );
+                        } );
+                    };
+
+                    reader.readAsArrayBuffer(cur_b.obj);
+                } );
+            } );
+        }
+
+        return promise_callback();
+    },
+
+    /**
+     * Prompt a user to save the given packets as a file by injecting an
+     * `<a>` element (with `display: none` styling) into the page and
+     * calling the element鈥檚 `click()`
+     * method. The element is removed immediately after.
+     *
+     * @param {Array} packets - Same as the first argument to [Blob鈥檚 constructor](https://developer.mozilla.org/en-US/docs/Web/API/Blob).
+     * @param {string} name - The name to give the file.
+     */
+    save_to_disk: function save_to_disk(packets, name) {
+        var blob = new Blob(packets);
+        var url = URL.createObjectURL(blob);
+
+        var el = document.createElement("a");
+        el.style.display = "none";
+        el.href = url;
+        el.download = name;
+        document.body.appendChild(el);
+
+        //It seems like a security problem that this actually works;
+        //I鈥檇 think there would need to be some confirmation before
+        //a browser could save arbitrarily many bytes onto the disk.
+        //But, hey.
+        el.click();
+
+        document.body.removeChild(el);
+    },
+};
+
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
+
+Object.assign(
+    module.exports,
+    __webpack_require__(8),
+);
+
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(0),
+    __webpack_require__(9)
+);
+
+const
+    MIN_ZM_HEX_START_LENGTH = 20,
+    MAX_ZM_HEX_START_LENGTH = 21,
+
+    // **, ZDLE, 'B0'
+    //ZRQINIT鈥檚 next byte will be '0'; ZRINIT鈥檚 will be '1'.
+    COMMON_ZM_HEX_START = [ 42, 42, 24, 66, 48 ],
+
+    SENTRY_CONSTRUCTOR_REQUIRED_ARGS = [
+        "to_terminal",
+        "on_detect",
+        "on_retract",
+        "sender",
+    ],
+
+    ASTERISK = 42
+;
+
+/**
+ * An instance of this object is passed to the Sentry鈥檚 on_detect
+ * callback each time the Sentry object sees what looks like the
+ * start of a ZMODEM session.
+ *
+ * Note that it is possible for a detection to be 鈥渞etracted鈥�
+ * if the Sentry consumes bytes afterward that are not ZMODEM.
+ * When this happens, the Sentry鈥檚 `retract` event will fire,
+ * after which the Detection object is no longer usable.
+ */
+class Detection {
+
+    /**
+     * Not called directly.
+     */
+    constructor(session_type, accepter, denier, checker) {
+
+        //confirm() - user confirms that ZMODEM is desired
+        this._confirmer = accepter;
+
+        //deny() - user declines ZMODEM; send abort sequence
+        //
+        //TODO: It might be ideal to forgo the session 鈥減eaceably鈥�,
+        //i.e., such that the peer doesn鈥檛 end in error. That鈥檚
+        //possible if we鈥檙e the sender, we accept the session,
+        //then we just send a close(), but it doesn鈥檛 seem to be
+        //possible for a receiver. Thus, let鈥檚 just leave it so
+        //it鈥檚 at least consistent (and simpler, too).
+        this._denier = denier;
+
+        this._is_valid = checker;
+
+        this._session_type = session_type;
+    }
+
+    /**
+     * Confirm that the detected ZMODEM sequence indicates the
+     * start of a ZMODEM session.
+     *
+     * @return {Session} The ZMODEM Session object (i.e., either a
+     *  Send or Receive instance).
+     */
+    confirm() {
+        return this._confirmer.apply(this, arguments);
+    }
+
+    /**
+     * Tell the Sentry that the detected bytes sequence is
+     * **NOT** intended to be the start of a ZMODEM session.
+     */
+    deny() {
+        return this._denier.apply(this, arguments);
+    }
+
+    /**
+     * Tells whether the Detection is still valid; i.e., whether
+     * the Sentry has `consume()`d bytes that invalidate the
+     * Detection.
+     *
+     * @returns {boolean} Whether the Detection is valid.
+     */
+    is_valid() {
+        return this._is_valid.apply(this, arguments);
+    }
+
+    /**
+     * Gives the session鈥檚 role.
+     *
+     * @returns {string} One of:
+     * - `receive`
+     * - `send`
+     */
+    get_session_role() { return this._session_type }
+}
+
+/**
+ * Class that parses an input stream for the beginning of a
+ * ZMODEM session. We look for the tell-tale signs
+ * of a ZMODEM transfer and allow the client to determine whether
+ * it鈥檚 really ZMODEM or not.
+ *
+ * This is the 鈥渕other鈥� class for zmodem.js;
+ * all other class instances are created, directly or indirectly,
+ * by an instance of this class.
+ *
+ * This logic is not unlikely to need tweaking, and it can never
+ * be fully bulletproof; if it could be bulletproof it would be
+ * simpler since there wouldn鈥檛 need to be the .confirm()/.deny()
+ * step.
+ *
+ * One thing you could do to make things a bit simpler *is* just
+ * to make that assumption for your users--i.e., to .confirm()
+ * Detection objects automatically. That鈥檒l be one less step
+ * for the user, but an unaccustomed user might find that a bit
+ * confusing. It鈥檚 also then possible to have a 鈥渇alse positive鈥�:
+ * a text stream that contains a ZMODEM initialization string but
+ * isn鈥檛, in fact, meant to start a ZMODEM session.
+ *
+ * Workflow:
+ *  - parse all input with .consume(). As long as nothing looks
+ *      like ZMODEM, all the traffic will go to to_terminal().
+ *
+ *  - when a 鈥渢ell-tale鈥� sequence of bytes arrives, we create a
+ *      Detection object and pass it to the 鈥渙n_detect鈥� handler.
+ *
+ *  - Either .confirm() or .deny() with the Detection object.
+ *      This is the user鈥檚 chance to say, 鈥測eah, I know those
+ *      bytes look like ZMODEM, but they鈥檙e not. So back off!鈥�
+ *
+ *      If you .confirm(), the Session object is returned, and
+ *      further input that goes to the Sentry鈥檚 .consume() will
+ *      go to the (now-active) Session object.
+ *
+ *  - Sometimes additional traffic arrives that makes it apparent
+ *      that no ZMODEM session is intended to start; in this case,
+ *      the Sentry marks the Detection as 鈥渟tale鈥� and calls the
+ *      `on_retract` handler. Any attempt from here to .confirm()
+ *      on the Detection object will prompt an exception.
+ *
+ *      (This 鈥渞etraction鈥� behavior will only happen prior to
+ *      .confirm() or .deny() being called on the Detection object.
+ *      Beyond that point, either the Session has to deal with the
+ *      鈥済arbage鈥�, or it鈥檚 back to the terminal anyway.
+ *
+ *  - Once the Session object is done, the Sentry will again send
+ *      all traffic to to_terminal().
+ */
+Zmodem.Sentry = class ZmodemSentry {
+
+    /**
+     * Invoked directly. Creates a new Sentry that inspects all
+     * traffic before it goes to the terminal.
+     *
+     * @param {Object} options - The Sentry parameters
+     *
+     * @param {Function} options.to_terminal - Handler that sends
+     * traffic to the terminal object. Receives an iterable object
+     * (e.g., an Array) that contains octet numbers.
+     *
+     * @param {Function} options.on_detect - Handler for new
+     * detection events. Receives a new Detection object.
+     *
+     * @param {Function} options.on_retract - Handler for retraction
+     * events. Receives no input.
+     *
+     * @param {Function} options.sender - Handler that sends traffic to
+     * the peer. If, for example, your application uses WebSocket to talk
+     * to the peer, use this to send data to the WebSocket instance.
+     */
+    constructor(options) {
+        if (!options) throw "Need options!";
+
+        var sentry = this;
+        SENTRY_CONSTRUCTOR_REQUIRED_ARGS.forEach( function(arg) {
+            if (!options[arg]) {
+                throw "Need 鈥�" + arg + "鈥�!";
+            }
+            sentry["_" + arg] = options[arg];
+        } );
+
+        this._cache = [];
+    }
+
+    _after_session_end() {
+        this._zsession = null;
+    }
+
+    /**
+     * 鈥淐onsumes鈥� a piece of input:
+     *
+     *  - If there is no active or pending ZMODEM session, the text is
+     *      all output. (This is regardless of whether we鈥檝e got a new
+     *      Detection.)
+     *
+     *  - If there is no active ZMODEM session and the input **ends** with
+     *      a ZRINIT or ZRQINIT, then a new Detection object is created,
+     *      and it is passed to the 鈥渙n_detect鈥� function.
+     *      If there was another pending Detection object, it is retracted.
+     *
+     *  - If there is no active ZMODEM session and the input does NOT end
+     *      with a ZRINIT or ZRQINIT, then any pending Detection object is
+     *      retracted.
+     *
+     *  - If there is an active ZMODEM session, the input is passed to it.
+     *      Any non-ZMODEM data (i.e., 鈥済arbage鈥�) parsed from the input
+     *      is sent to output.
+     *      If the ZMODEM session ends, any post-ZMODEM part of the input
+     *      is sent to output.
+     *
+     *  @param {number[] | ArrayBuffer} input - Octets to parse as input.
+     */
+    consume(input) {
+        if (!(input instanceof Array)) {
+            input = Array.prototype.slice.call( new Uint8Array(input) );
+        }
+        if (this._zsession) {
+            var session_before_consume = this._zsession;
+
+            try {
+                session_before_consume.consume(input);
+            } catch (e) {
+                console.log(e);
+            }
+
+            if (session_before_consume.has_ended()) {
+                if (session_before_consume.type === "receive") {
+                    input = session_before_consume.get_trailing_bytes();
+                }
+                else {
+                    input = [];
+                }
+            }
+            else return;
+        }
+
+        var new_session = this._parse(input);
+        var to_terminal = input;
+
+        if (new_session) {
+            let replacement_detect = !!this._parsed_session;
+
+            if (replacement_detect) {
+                //no terminal output if the new session is of the
+                //same type as the old
+                if (this._parsed_session.type === new_session.type) {
+                    to_terminal = [];
+                }
+
+                this._on_retract();
+            }
+
+            this._parsed_session = new_session;
+
+            var sentry = this;
+
+            function checker() {
+                return sentry._parsed_session === new_session;
+            }
+
+            //This runs with the Sentry object as the context.
+            function accepter() {
+                if (!this.is_valid()) {
+                    throw "Stale ZMODEM session!";
+                }
+
+                new_session.on("garbage", sentry._to_terminal);
+
+                new_session.on(
+                    "session_end",
+                    sentry._after_session_end.bind(sentry)
+                );
+
+                new_session.set_sender(sentry._sender);
+
+                delete sentry._parsed_session;
+
+                return sentry._zsession = new_session;
+            };
+
+            function denier() {
+                if (!this.is_valid()) return;
+            };
+
+            this._on_detect( new Detection(
+                new_session.type,
+                accepter,
+                this._send_abort.bind(this),
+                checker
+            ) );
+        }
+        else {
+            /*
+            if (this._parsed_session) {
+                this._session_stale_because = 'Non-ZMODEM output received after ZMODEM initialization.';
+            }
+            */
+
+            var expired_session = this._parsed_session;
+
+            this._parsed_session = null;
+
+            if (expired_session) {
+
+                //If we got a single 鈥淐鈥� after parsing a session,
+                //that means our peer is trying to downgrade to YMODEM.
+                //That won鈥檛 work, so we just send the ABORT_SEQUENCE
+                //right away.
+                if (to_terminal.length === 1 && to_terminal[0] === 67) {
+                    this._send_abort();
+                }
+
+                this._on_retract();
+            }
+        }
+
+        this._to_terminal(to_terminal);
+    }
+
+    /**
+     * @return {Session|null} The sentry鈥檚 current Session object, or
+     *      null if there is none.
+     */
+    get_confirmed_session() {
+        return this._zsession || null;
+    }
+
+    _send_abort() {
+        this._sender( Zmodem.ZMLIB.ABORT_SEQUENCE );
+    }
+
+    /**
+     * Parse an input stream and decide how much of it goes to the
+     * terminal or to a new Session object.
+     *
+     * This will accommodate input strings that are fragmented
+     * across calls to this function; e.g., if you send the first
+     * two bytes at the end of one parse() call then send the rest
+     * at the beginning of the next, parse() will recognize it as
+     * the beginning of a ZMODEM session.
+     *
+     * In order to keep from blocking any actual useful data to the
+     * terminal in real-time, this will send on the initial
+     * ZRINIT/ZRQINIT bytes to the terminal. They鈥檙e meant to go to the
+     * terminal anyway, so that should be fine.
+     *
+     * @private
+     *
+     * @param {Array|Uint8Array} array_like - The input bytes.
+     *      Each member should be a number between 0 and 255 (inclusive).
+     *
+     * @return {Array} A two-member list:
+     *      0) the bytes that should be printed on the terminal
+     *      1) the created Session object (if any)
+     */
+    _parse(array_like) {
+        var cache = this._cache;
+
+        cache.push.apply( cache, array_like );
+
+        while (true) {
+            let common_hex_at = Zmodem.ZMLIB.find_subarray( cache, COMMON_ZM_HEX_START );
+            if (-1 === common_hex_at) break;
+
+            let before_common_hex = cache.splice(0, common_hex_at);
+            let zsession;
+            try {
+                zsession = Zmodem.Session.parse(cache);
+            } catch(err) {     //ignore errors
+                //console.log(err);
+            }
+
+            if (!zsession) break;
+
+            //Don鈥檛 need to parse the trailing XON.
+            if ((cache.length === 1) && (cache[0] === Zmodem.ZMLIB.XON)) {
+                cache.shift();
+            }
+
+            //If there are still bytes in the cache,
+            //then we don鈥檛 have a ZMODEM session. This logic depends
+            //on the sender only sending one initial header.
+            return cache.length ? null : zsession;
+        }
+
+        cache.splice( MAX_ZM_HEX_START_LENGTH );
+
+        return null;
+    }
+}
+
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+/**
+ * This is where the protocol-level logic lives: the interaction of ZMODEM
+ * headers and subpackets. The logic here is not unlikely to need tweaking
+ * as little edge cases crop up.
+ */
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(2),
+    __webpack_require__(10),
+    __webpack_require__(3),
+    __webpack_require__(0),
+    __webpack_require__(11),
+    __webpack_require__(13),
+    __webpack_require__(14),
+    __webpack_require__(1)
+);
+
+const
+    //pertinent to this module
+    KEEPALIVE_INTERVAL = 5000,
+
+    //We ourselves don鈥檛 need ESCCTL, so we don鈥檛 send it;
+    //however, we always expect to receive it in ZRINIT.
+    //See _ensure_receiver_escapes_ctrl_chars() for more details.
+    ZRINIT_FLAGS = [
+        "CANFDX",   //full duplex
+        "CANOVIO",  //overlap I/O
+
+        //lsz has a buffer overflow bug that shows itself when:
+        //
+        //  - 16-bit CRC is used, and
+        //  - lsz receives the abort sequence while sending a file
+        //
+        //To avoid this, we just tell lsz to use 32-bit CRC
+        //even though there is otherwise no reason. This ensures that
+        //unfixed lsz versions will avoid the buffer overflow.
+        "CANFC32",
+    ],
+
+    //We do this because some WebSocket shell servers
+    //(e.g., xterm.js鈥檚 demo server) enable the IEXTEN termios flag,
+    //which bars 0x0f and 0x16 from reaching the shell process,
+    //which results in transmission errors.
+    FORCE_ESCAPE_CTRL_CHARS = true,
+
+    DEFAULT_RECEIVE_INPUT_MODE = "spool_uint8array",
+
+    //pertinent to ZMODEM
+    MAX_CHUNK_LENGTH = 8192,    //1 KiB officially, but lrzsz allows 8192
+    BS = 0x8,
+    OVER_AND_OUT = [ 79, 79 ],
+    ABORT_SEQUENCE = Zmodem.ZMLIB.ABORT_SEQUENCE
+;
+
+/**
+ * A base class for objects that have events.
+ *
+ * @private
+ */
+class _Eventer {
+
+    /**
+     * Not called directly.
+     */
+    constructor() {
+        this._on_evt = {};
+        this._evt_once_index = {};
+    }
+
+    _Add_event(evt_name) {
+        this._on_evt[evt_name] = [];
+        this._evt_once_index[evt_name] = [];
+    }
+
+    _get_evt_queue(evt_name) {
+        if (!this._on_evt[evt_name]) {
+            throw( "Bad event: " + evt_name );
+        }
+
+        return this._on_evt[evt_name];
+    }
+
+    /**
+     * Register a callback for a given event.
+     *
+     * @param {string} evt_name - The name of the event.
+     *
+     * @param {Function} todo - The function to execute when the event happens.
+     */
+    on(evt_name, todo) {
+        var queue = this._get_evt_queue(evt_name);
+
+        queue.push(todo);
+
+        return this;
+    }
+
+    /**
+     * Unregister a callback for a given event.
+     *
+     * @param {string} evt_name - The name of the event.
+     *
+     * @param {Function} [todo] - The function to execute when the event
+     *  happens. If not given, the last event registered for the event
+     *  is unregistered.
+     */
+    off(evt_name, todo) {
+        var queue = this._get_evt_queue(evt_name);
+
+        if (todo) {
+            var at = queue.indexOf(todo);
+            if (at === -1) {
+                throw("鈥�" + todo + "鈥� is not in the 鈥�" + evt_name + "鈥� queue.");
+            }
+            queue.splice(at, 1);
+        }
+        else {
+            queue.pop();
+        }
+
+        return this;
+    }
+
+    _Happen(evt_name /*, arg0, arg1, .. */) {
+        var queue = this._get_evt_queue(evt_name);   //might as well validate
+
+        //console.info("EVENT", this, arguments);
+
+        var args = Array.apply(null, arguments);
+        args.shift();
+
+        var sess = this;
+
+        queue.forEach( function(cb) { cb.apply(sess, args) } );
+
+        return queue.length;
+    }
+}
+
+/**
+ * The Session classes handle the protocol-level logic.
+ * These shield the user from dealing with headers and subpackets.
+ * This is a base class with functionality common to both Receive
+ * and Send subclasses.
+ *
+ * @extends _Eventer
+*/
+Zmodem.Session = class ZmodemSession extends _Eventer {
+
+    /**
+     * Parse out a hex header from the given array.
+     * If there鈥檚 a ZRQINIT or ZRINIT at the beginning,
+     * we鈥檒l return it. If the input isn鈥檛 a header,
+     * for whatever reason, we return undefined.
+     *
+     * @param {number[]} octets - The bytes to parse.
+     *
+     * @return {Session|undefined} A Session object if the beginning
+     *      of a session was parsable in 鈥渙ctets鈥�; otherwise undefined.
+     */
+    static parse( octets ) {
+
+        //Will need to trap errors.
+        var hdr;
+        try {
+            hdr = Zmodem.Header.parse_hex(octets);
+        }
+        catch(e) {     //Don鈥檛 report since we aren鈥檛 in session
+
+            //debug
+            //console.warn("No hex header: ", e);
+
+            return;
+        }
+
+        if (!hdr) return;
+
+        switch (hdr.NAME) {
+            case "ZRQINIT":
+                //throw if ZCOMMAND
+                return new Zmodem.Session.Receive();
+            case "ZRINIT":
+                return new Zmodem.Session.Send(hdr);
+        }
+
+        //console.warn("Invalid first Zmodem header", hdr);
+    }
+
+    /**
+     * Sets the sender function that a Session object will use.
+     *
+     * @param {Function} sender_func - The function to call.
+     *      It will receive an Array with the relevant octets.
+     *
+     * @return {Session} The session object (for chaining).
+     */
+    set_sender(sender_func) {
+        this._sender = sender_func;
+        return this;
+    }
+
+    /**
+     * Whether the current Session has ended.
+     *
+     * @returns {boolean} The ended state.
+     */
+    has_ended() { return this._has_ended() }
+
+    /**
+     * Consumes an array of octets as ZMODEM session input.
+     *
+     * @param {number[]} octets - The input octets.
+     */
+    consume(octets) {
+
+        this._before_consume(octets);
+
+        if (this._aborted) throw new Zmodem.Error('already_aborted');
+
+        if (!octets.length) return;
+
+        this._strip_and_enqueue_input(octets);
+
+        if (!this._check_for_abort_sequence(octets)) {
+            this._consume_first();
+        }
+
+        return;
+    }
+
+    /**
+     * Whether the current Session has been `abort()`ed.
+     *
+     * @returns {boolean} The aborted state.
+     */
+    aborted() { return !!this._aborted }
+
+    /**
+     * Not called directly.
+     */
+    constructor() {
+        super();
+        //if (!sender_func) throw "Need sender!";
+
+        //this._first_header = first_header;
+        //this._sender = sender_func;
+        this._config = {};
+
+        //this._input = new ZInput();
+
+        this._input_buffer = [];
+
+        //This is mostly for debugging.
+        this._Add_event("receive");
+        this._Add_event("garbage");
+        this._Add_event("session_end");
+    }
+
+    /**
+     * Returns the Session object鈥檚 role.
+     *
+     * @returns {string} One of:
+     * - `receive`
+     * - `send`
+     */
+    get_role() { return this.type }
+
+    _trim_leading_garbage_until_header() {
+        var garbage = Zmodem.Header.trim_leading_garbage(this._input_buffer);
+
+        if (garbage.length) {
+            if (this._Happen("garbage", garbage) === 0) {
+                console.debug(
+                    "Garbage: ",
+                    String.fromCharCode.apply(String, garbage),
+                    garbage
+                );
+            }
+        }
+    }
+
+    _parse_and_consume_header() {
+        this._trim_leading_garbage_until_header();
+
+        var new_header_and_crc = Zmodem.Header.parse(this._input_buffer);
+        if (!new_header_and_crc) return;
+
+        //console.log("RECEIVED HEADER", new_header_and_crc[0]);
+
+        this._consume_header(new_header_and_crc[0]);
+
+        this._last_header_name = new_header_and_crc[0].NAME;
+        this._last_header_crc = new_header_and_crc[1];
+
+        return new_header_and_crc[0];
+    }
+
+    _consume_header(new_header) {
+        this._on_receive(new_header);
+
+        var handler = this._next_header_handler[ new_header.NAME ];
+        if (!handler) {
+            console.error("Unhandled header!", new_header, this._next_header_handler);
+            throw new Zmodem.Error( "Unhandled header: " + new_header.NAME );
+        }
+
+        this._next_header_handler = null;
+
+        handler.call(this, new_header);
+    }
+
+    //TODO: strip out the abort sequence
+    _check_for_abort_sequence() {
+        var abort_at = Zmodem.ZMLIB.find_subarray( this._input_buffer, ABORT_SEQUENCE );
+
+        if (abort_at !== -1) {
+
+            //TODO: expose this to caller
+            this._input_buffer.splice( 0, abort_at + ABORT_SEQUENCE.length );
+
+            this._aborted = true;
+
+            //TODO compare response here to lrzsz.
+            this._on_session_end();
+
+            //We shouldn鈥檛 ever expect to receive an abort. Even if we
+            //have sent an abort ourselves, the Sentry should have stopped
+            //directing input to this Session object.
+            //if (this._expect_abort) {
+            //    return true;
+            //}
+
+            throw new Zmodem.Error("peer_aborted");
+        }
+    }
+
+    _send_header(name /*, args */) {
+        if (!this._sender) throw "Need sender!";
+
+        var args = Array.apply( null, arguments );
+
+        var bytes_hdr = this._create_header_bytes(args);
+
+        this._sender(bytes_hdr[0]);
+
+        this._last_sent_header = bytes_hdr[1];
+    }
+
+    _create_header_bytes(name_and_args) {
+
+        var hdr = Zmodem.Header.build.apply( Zmodem.Header, name_and_args );
+
+        //console.log( this.type, "SENDING HEADER", hdr );
+
+        var formatter = this._get_header_formatter(name_and_args[0]);
+
+        return [
+            hdr[formatter](this._zencoder),
+            hdr
+        ];
+    }
+
+    _strip_and_enqueue_input(input) {
+        Zmodem.ZMLIB.strip_ignored_bytes(input);
+
+        //It鈥檚 possible that 鈥渋nput鈥� is empty at this point.
+        //It doesn鈥檛 seem to hurt anything to keep processing, though.
+
+        this._input_buffer.push.apply( this._input_buffer, input );
+    }
+
+    /**
+     * **STOP!** You probably want to `skip()` an Offer rather than
+     * `abort()`. See below.
+     *
+     * Abort the current session by sending the ZMODEM abort sequence.
+     * This function will cause the Session object to refuse to send
+     * any further data.
+     *
+     * Zmodem.Sentry is configured to send all output to the terminal
+     * after a session鈥檚 `abort()`. That could result in lots of
+     * ZMODEM garble being sent to the JavaScript terminal, which you
+     * probably don鈥檛 want.
+     *
+     * `skip()` on an Offer is better because Session will continue to
+     * discard data until we reach either another file or the
+     * sender-initiated end of the ZMODEM session. So no ZMODEM garble,
+     * and the session will end successfully.
+     *
+     * The behavior of `abort()` is subject to change since it鈥檚 not
+     * very useful as currently implemented.
+     */
+    abort() {
+
+        //this._expect_abort = true;
+
+        //From Forsberg:
+        //
+        //The Cancel sequence consists of eight CAN characters
+        //and ten backspace characters. ZMODEM only requires five
+        //Cancel characters; the other three are "insurance".
+        //The trailing backspace characters attempt to erase
+        //the effects of the CAN characters if they are
+        //received by a command interpreter.
+        //
+        //FG: Since we assume our connection is reliable, there鈥檚
+        //no reason to send more than 5 CANs.
+        this._sender(
+            ABORT_SEQUENCE.concat([ BS, BS, BS, BS, BS ])
+        );
+
+        this._aborted = true;
+        this._sender = function() {
+            throw new Zmodem.Error('already_aborted');
+        };
+
+        this._on_session_end();
+
+        return;
+    }
+
+    //----------------------------------------------------------------------
+    _on_session_end() {
+        this._Happen("session_end");
+    }
+
+    _on_receive(hdr_or_pkt) {
+        this._Happen("receive", hdr_or_pkt);
+    }
+
+    _before_consume() {}
+}
+
+function _trim_OO(array) {
+    if (0 === Zmodem.ZMLIB.find_subarray(array, OVER_AND_OUT)) {
+        array.splice(0, OVER_AND_OUT.length);
+    }
+
+    //TODO: This assumes OVER_AND_OUT is 2 bytes long. No biggie, but.
+    else if ( array[0] === OVER_AND_OUT[ OVER_AND_OUT.length - 1 ] ) {
+        array.splice(0, 1);
+    }
+
+    return array;
+}
+
+/** A class for ZMODEM receive sessions.
+ *
+ * @extends Session
+ */
+Zmodem.Session.Receive = class ZmodemReceiveSession extends Zmodem.Session {
+    //We only get 1 file at a time, so on each consume() either
+    //continue state for the current file or start a new one.
+
+    /**
+     * Not called directly.
+     */
+    constructor() {
+        super();
+
+        this._Add_event("offer");
+        this._Add_event("data_in");
+        this._Add_event("file_end");
+    }
+
+    /**
+     * Consume input bytes from the sender.
+     *
+     * @private
+     * @param {number[]} octets - The bytes to consume.
+     */
+    _before_consume(octets) {
+        if (this._bytes_after_OO) {
+            throw "PROTOCOL: Session is completed!";
+        }
+
+        //Put this here so that our logic later on has access to the
+        //input string and can populate _bytes_after_OO when the
+        //session ends.
+        this._bytes_being_consumed = octets;
+    }
+
+    /**
+     * Return any bytes that have been `consume()`d but
+     * came after the end of the ZMODEM session.
+     *
+     * @returns {number[]} The trailing bytes.
+     */
+    get_trailing_bytes() {
+        if (this._aborted) return [];
+
+        if (!this._bytes_after_OO) {
+            throw "PROTOCOL: Session is not completed!";
+        }
+
+        return this._bytes_after_OO.slice(0);
+    }
+
+    _has_ended() { return this.aborted() || !!this._bytes_after_OO }
+
+    //Receiver always sends hex headers.
+    _get_header_formatter() { return "to_hex" }
+
+    _parse_and_consume_subpacket() {
+        var parse_func;
+        if (this._last_header_crc === 16) {
+            parse_func = "parse16";
+        }
+        else {
+            parse_func = "parse32";
+        }
+
+        var subpacket = Zmodem.Subpacket[parse_func](this._input_buffer);
+
+        //console.log("RECEIVED SUBPACKET", subpacket);
+
+        if (subpacket) {
+            this._consume_data(subpacket);
+
+            //What state are we in if the subpacket indicates frame end
+            //but we haven鈥檛 gotten ZEOF yet? Can anything other than ZEOF
+            //follow after a ZDATA?
+            if (subpacket.frame_end()) {
+                this._next_subpacket_handler = null;
+            }
+        }
+
+        return subpacket;
+    }
+
+    _consume_first() {
+        if (this._got_ZFIN) {
+
+            if (this._input_buffer.length < 2) return;
+
+            //if it鈥檚 OO, then set this._bytes_after_OO
+            if (Zmodem.ZMLIB.find_subarray(this._input_buffer, OVER_AND_OUT) === 0) {
+
+                //This doubles as an indication that the session has ended.
+                //We need to set this right away so that handlers like
+                //"session_end" will have access to it.
+                this._bytes_after_OO = _trim_OO(this._bytes_being_consumed.slice(0));
+                this._on_session_end();
+
+                return;
+            }
+            else {
+                throw( "PROTOCOL: Only thing after ZFIN should be 鈥淥O鈥� (79,79), not: " + array_buf.join() );
+            }
+        }
+
+        var parsed;
+        do {
+            if (this._next_subpacket_handler) {
+                parsed = this._parse_and_consume_subpacket();
+            }
+            else {
+                parsed = this._parse_and_consume_header();
+            }
+        } while (parsed && this._input_buffer.length);
+    }
+
+    _consume_data(subpacket) {
+        this._on_receive(subpacket);
+
+        if (!this._next_subpacket_handler) {
+            throw( "PROTOCOL: Received unexpected data packet after " + this._last_header_name + " header: " + subpacket.get_payload().join() );
+        }
+
+        this._next_subpacket_handler.call(this, subpacket);
+    }
+
+    _octets_to_string(octets) {
+        if (!this._textdecoder) {
+            this._textdecoder = new Zmodem.Text.Decoder();
+        }
+
+        return this._textdecoder.decode( new Uint8Array(octets) );
+    }
+
+    _consume_ZFILE_data(hdr, subpacket) {
+        if (this._file_info) {
+            throw "PROTOCOL: second ZFILE data subpacket received";
+        }
+
+        var packet_payload = subpacket.get_payload();
+        var nul_at = packet_payload.indexOf(0);
+
+        //
+        var fname = this._octets_to_string( packet_payload.slice(0, nul_at) );
+        var the_rest = this._octets_to_string( packet_payload.slice( 1 + nul_at ) ).split(" ");
+
+        var mtime = the_rest[1] && parseInt( the_rest[1], 8 ) || undefined;
+        if (mtime) {
+            mtime = new Date(mtime * 1000);
+        }
+
+        this._file_info = {
+            name: fname,
+            size: the_rest[0] ? parseInt( the_rest[0], 10 ) : null,
+            mtime: mtime || null,
+            mode: the_rest[2] && parseInt( the_rest[2], 8 ) || null,
+            serial: the_rest[3] && parseInt( the_rest[3], 10 ) || null,
+
+            files_remaining: the_rest[4] ? parseInt( the_rest[4], 10 ) : null,
+            bytes_remaining: the_rest[5] ? parseInt( the_rest[5], 10 ) : null,
+        };
+
+        //console.log("ZFILE", hdr);
+
+        var xfer = new Offer(
+            hdr.get_options(),
+            this._file_info,
+            this._accept.bind(this),
+            this._skip.bind(this)
+        );
+        this._current_transfer = xfer;
+
+        //this._Happen("offer", xfer);
+    }
+
+    _consume_ZDATA_data(subpacket) {
+        if (!this._accepted_offer) {
+            throw "PROTOCOL: Received data without accepting!";
+        }
+
+        //TODO: Probably should include some sort of preventive against
+        //infinite loop here: if the peer hasn鈥檛 sent us what we want after,
+        //say, 10 ZRPOS headers then we should send ZABORT and just end.
+        if (!this._offset_ok) {
+            console.warn("offset not ok!");
+            _send_ZRPOS();
+            return;
+        }
+
+        this._file_offset += subpacket.get_payload().length;
+        this._on_data_in(subpacket);
+
+        /*
+        console.warn("received error from data_in callback; retrying", e);
+        throw "unimplemented";
+        */
+
+        if (subpacket.ack_expected() && !subpacket.frame_end()) {
+            this._send_header( "ZACK", Zmodem.ENCODELIB.pack_u32_le(this._file_offset) );
+        }
+    }
+
+    _make_promise_for_between_files() {
+        var sess = this;
+
+        return new Promise( function(res) {
+            var between_files_handler = {
+                ZFILE: function(hdr) {
+                    this._next_subpacket_handler = function(subpacket) {
+                        this._next_subpacket_handler = null;
+                        this._consume_ZFILE_data(hdr, subpacket);
+                        this._Happen("offer", this._current_transfer);
+                        res(this._current_transfer);
+                    };
+                },
+
+                //We use this as a keep-alive. Maybe other
+                //implementations do, too?
+                ZSINIT: function(hdr) {
+                    //The content of this header doesn鈥檛 affect us
+                    //since all it does is tell us details of how
+                    //the sender will ZDLE-encode binary data. Our
+                    //ZDLE parser doesn鈥檛 need to know in advance.
+
+                    sess._next_subpacket_handler = function(spkt) {
+                        sess._next_subpacket_handler = null;
+                        sess._consume_ZSINIT_data(spkt);
+                        sess._send_header('ZACK');
+                        sess._next_header_handler = between_files_handler;
+                    };
+                },
+
+                ZFIN: function() {
+                    this._consume_ZFIN();
+                    res();
+                },
+            };
+
+            sess._next_header_handler = between_files_handler;
+        } );
+    }
+
+    _consume_ZSINIT_data(spkt) {
+
+        //TODO: Should this be used when we signal a cancellation?
+        this._attn = spkt.get_payload();
+    }
+
+    /**
+     * Start the ZMODEM session by signaling to the sender that
+     * we are ready for the first file offer.
+     *
+     * @returns {Promise} A promise that resolves with an Offer object
+     * or, if the sender closes the session immediately without offering
+     * anything, nothing.
+     */
+    start() {
+        if (this._started) throw "Already started!";
+        this._started = true;
+
+        var ret = this._make_promise_for_between_files();
+
+        this._send_ZRINIT();
+
+        return ret;
+    }
+
+    //Returns a promise that鈥檚 fulfilled when the file
+    //transfer is done.
+    //
+    //  That ZEOF promise return is another promise that鈥檚
+    //  fulfilled when we get either ZFIN or another ZFILE.
+    _accept(offset) {
+        this._accepted_offer = true;
+        this._file_offset = offset || 0;
+
+        var sess = this;
+
+        var ret = new Promise( function(resolve_accept) {
+            var last_ZDATA;
+
+            sess._next_header_handler = {
+                ZDATA: function on_ZDATA(hdr) {
+                    this._consume_ZDATA(hdr);
+
+                    this._next_subpacket_handler = this._consume_ZDATA_data;
+
+                    this._next_header_handler = {
+                        ZEOF: function on_ZEOF(hdr) {
+                            this._next_subpacket_handler = null;
+                            this._consume_ZEOF(hdr);
+
+                            var next_promise = this._make_promise_for_between_files();
+                            resolve_accept(next_promise);
+                        },
+                    };
+                },
+            };
+        } );
+
+        this._send_ZRPOS();
+
+        return ret;
+    }
+
+    _skip() {
+        var ret = this._make_promise_for_between_files();
+
+        if (this._accepted_offer) {
+            //For cancel of an in-progress transfer from lsz,
+            //it鈥檚 necessary to avoid this buffer overflow bug:
+            //
+            //  https://github.com/gooselinux/lrzsz/blob/master/lrzsz-0.12.20.patch
+            //
+            //鈥� which we do by asking for CRC32 from lsz.
+
+            //We might or might not have consumed ZDATA.
+            //The sender also might or might not send a ZEOF before it
+            //parses the ZSKIP. Thus, we want to ignore the following:
+            //
+            //  - ZDATA
+            //  - ZDATA then ZEOF
+            //  - ZEOF
+            //
+            //鈥� and just look for the next between-file header.
+
+            var bound_make_promise_for_between_files = function() {
+
+                //Once this happens we fail on any received data packet.
+                //So it needs not to happen until we鈥檝e received a header.
+                this._accepted_offer = false;
+                this._next_subpacket_handler = null;
+
+                this._make_promise_for_between_files();
+            }.bind(this);
+
+            Object.assign(
+                this._next_header_handler,
+                {
+                    ZEOF: bound_make_promise_for_between_files,
+                    ZDATA: function() {
+                        bound_make_promise_for_between_files();
+                        this._next_header_handler.ZEOF = bound_make_promise_for_between_files;
+                    }.bind(this),
+                }
+            );
+        }
+
+        //this._accepted_offer = false;
+
+        this._file_info = null;
+
+        this._send_header( "ZSKIP" );
+
+        return ret;
+    }
+
+    _send_ZRINIT() {
+        this._send_header( "ZRINIT", ZRINIT_FLAGS );
+    }
+
+    _consume_ZFIN() {
+        this._got_ZFIN = true;
+        this._send_header( "ZFIN" );
+    }
+
+    _consume_ZEOF(header) {
+        if (this._file_offset !== header.get_offset()) {
+            throw( "ZEOF offset mismatch; unimplemented (local: " + this._file_offset + "; ZEOF: " + header.get_offset() + ")" );
+        }
+
+        this._send_ZRINIT();
+
+        this._on_file_end();
+
+        //Preserve these two so that file_end callbacks
+        //will have the right information.
+        this._file_info = null;
+        this._current_transfer = null;
+    }
+
+    _consume_ZDATA(header) {
+        if ( this._file_offset === header.get_offset() ) {
+            this._offset_ok = true;
+        }
+        else {
+            throw "Error correction is unimplemented.";
+        }
+    }
+
+    _send_ZRPOS() {
+        this._send_header( "ZRPOS", this._file_offset );
+    }
+
+    //----------------------------------------------------------------------
+    //events
+
+    _on_file_end() {
+        this._Happen("file_end");
+
+        if (this._current_transfer) {
+            this._current_transfer._Happen("complete");
+            this._current_transfer = null;
+        }
+    }
+
+    _on_data_in(subpacket) {
+        this._Happen("data_in", subpacket);
+
+        if (this._current_transfer) {
+            this._current_transfer._Happen("input", subpacket.get_payload());
+        }
+    }
+}
+
+Object.assign(
+    Zmodem.Session.Receive.prototype,
+    {
+        type: "receive",
+    }
+);
+
+//----------------------------------------------------------------------
+
+/**
+ * @typedef {Object} FileDetails
+ *
+ * @property {string} name - The name of the file.
+ *
+ * @property {number} [size] - The file size, in bytes.
+ *
+ * @property {number} [mode] - The file mode (e.g., 0100644).
+ *
+ * @property {Date|number} [mtime] - The file鈥檚 modification time.
+ *  When expressed as a number, the unit is epoch seconds.
+ *
+ * @property {number} [files_remaining] - Inclusive of the current file,
+ *  so this value is never less than 1.
+ *
+ * @property {number} [bytes_remaining] - Inclusive of the current file.
+ */
+
+/**
+ * Common methods for Transfer and Offer objects.
+ *
+ * @mixin
+ */
+var Transfer_Offer_Mixin = {
+    /**
+     * Returns the file details object.
+     * @returns {FileDetails} `mtime` is a Date.
+     */
+    get_details: function get_details() {
+        return Object.assign( {}, this._file_info );
+    },
+
+    /**
+     * Returns a parse of the ZFILE header鈥檚 payload.
+     *
+     * @returns {Object} Members are:
+     *
+     * - `conversion` (string | undefined)
+     * - `management` (string | undefined)
+     * - `transfer` (string | undefined)
+     * - `sparse` (boolean)
+     */
+    get_options: function get_options() {
+        return Object.assign( {}, this._zfile_opts );
+    },
+
+    /**
+     * Returns the offset based on the last transferred chunk.
+     * @returns {number} The file offset (i.e., number of bytes after
+     *  the start of the file).
+     */
+    get_offset: function get_offset() {
+        return this._file_offset;
+    },
+};
+
+/**
+ * A class to represent a sender鈥檚 interaction with a single file
+ * transfer within a batch. When a receiver accepts an offer, the
+ * Session instantiates this class and passes the instance as the
+ * promise resolution from send_offer().
+ *
+ * @mixes Transfer_Offer_Mixin
+ */
+class Transfer {
+
+    /**
+     * Not called directly.
+     */
+    constructor(file_info, offset, send_func, end_func) {
+        this._file_info = file_info;
+        this._file_offset = offset || 0;
+
+        this._send = send_func;
+        this._end = end_func;
+    }
+
+    /**
+     * Send a (non-terminal) piece of the file.
+     *
+     * @param { number[] | Uint8Array } array_like - The bytes to send.
+     */
+    send(array_like) {
+        this._send(array_like);
+        this._file_offset += array_like.length;
+    }
+
+    /**
+     * Complete the file transfer.
+     *
+     * @param { number[] | Uint8Array } [array_like] - The last bytes to send.
+     *
+     * @return { Promise } Resolves when the receiver has indicated
+     *      acceptance of the end of the file transfer.
+     */
+    end(array_like) {
+        var ret = this._end(array_like || []);
+        if (array_like) this._file_offset += array_like.length;
+        return ret;
+    }
+}
+Object.assign( Transfer.prototype, Transfer_Offer_Mixin );
+
+/**
+ * A class to represent a receiver鈥檚 interaction with a single file
+ * transfer offer within a batch. There is functionality here to
+ * skip or accept offered files and either to spool the packet
+ * payloads or to handle them yourself.
+ *
+ * @mixes Transfer_Offer_Mixin
+ */
+class Offer extends _Eventer {
+
+    /**
+     * Not called directly.
+     */
+    constructor(zfile_opts, file_info, accept_func, skip_func) {
+        super();
+
+        this._zfile_opts = zfile_opts;
+        this._file_info = file_info;
+
+        this._accept_func = accept_func;
+        this._skip_func = skip_func;
+
+        this._Add_event("input");
+        this._Add_event("complete");
+
+        //Register this first so that application handlers receive
+        //the updated offset.
+        this.on("input", this._input_handler);
+    }
+
+    _verify_not_skipped() {
+        if (this._skipped) {
+            throw new Zmodem.Error("Already skipped!");
+        }
+    }
+
+    /**
+     * Tell the sender that you don鈥檛 want the offered file.
+     *
+     * You can send this in lieu of `accept()` or after it, e.g.,
+     * if you find that the transfer is taking too long. Note that,
+     * if you `skip()` after you `accept()`, you鈥檒l likely have to
+     * wait for buffers to clear out.
+     *
+     */
+    skip() {
+        this._verify_not_skipped();
+        this._skipped = true;
+
+        return this._skip_func.apply(this, arguments);
+    }
+
+    /**
+     * Tell the sender to send the offered file.
+     *
+     * @param {Object} [opts] - Can be:
+     * @param {string} [opts.oninput=spool_uint8array] - Can be:
+     *
+     * - `spool_uint8array`: Stores the ZMODEM
+     *     packet payloads as Uint8Array instances.
+     *     This makes for an easy transition to a Blob,
+     *     which JavaScript can use to save the file to disk.
+     *
+     * - `spool_array`: Stores the ZMODEM packet payloads
+     *     as Array instances. Each value is an octet value.
+     *
+     * - (function): A handler that receives each payload
+     *     as it arrives. The Offer object does not store
+     *     the payloads internally when thus configured.
+     *
+     * @return { Promise } Resolves when the file is fully received.
+     *      If the Offer has been spooling
+     *      the packet payloads, the promise resolves with an Array
+     *      that contains those payloads.
+     */
+    accept(opts) {
+        this._verify_not_skipped();
+
+        if (this._accepted) {
+            throw new Zmodem.Error("Already accepted!");
+        }
+        this._accepted = true;
+
+        if (!opts) opts = {};
+
+        this._file_offset = opts.offset || 0;
+
+        switch (opts.on_input) {
+            case null:
+            case undefined:
+            case "spool_array":
+            case DEFAULT_RECEIVE_INPUT_MODE:    //default
+                this._spool = [];
+                break;
+            default:
+                if (typeof opts.on_input !== "function") {
+                    throw "Invalid 鈥渙n_input鈥�: " + opts.on_input;
+                }
+        }
+
+        this._input_handler_mode = opts.on_input || DEFAULT_RECEIVE_INPUT_MODE;
+
+        return this._accept_func(this._file_offset).then( this._get_spool.bind(this) );
+    }
+
+    _input_handler(payload) {
+        this._file_offset += payload.length;
+
+        if (typeof this._input_handler_mode === "function") {
+            this._input_handler_mode(payload);
+        }
+        else {
+            if (this._input_handler_mode === DEFAULT_RECEIVE_INPUT_MODE) {
+                payload = new Uint8Array(payload);
+            }
+
+            //sanity
+            else if (this._input_handler_mode !== "spool_array") {
+                throw new Zmodem.Error("WTF?? _input_handler_mode = " + this._input_handler_mode);
+            }
+
+            this._spool.push(payload);
+        }
+    }
+
+    _get_spool() {
+        return this._spool;
+    }
+}
+Object.assign( Offer.prototype, Transfer_Offer_Mixin );
+
+//Curious that ZSINIT isn鈥檛 here 鈥� but, lsz sends it as hex.
+const SENDER_BINARY_HEADER = {
+    ZFILE: true,
+    ZDATA: true,
+};
+
+/**
+ * A class that encapsulates behavior for a ZMODEM sender.
+ *
+ * @extends Session
+ */
+Zmodem.Session.Send = class ZmodemSendSession extends Zmodem.Session {
+
+    /**
+     * Not called directly.
+     */
+    constructor(zrinit_hdr) {
+        super();
+
+        if (!zrinit_hdr) {
+            throw "Need first header!";
+        }
+        else if (zrinit_hdr.NAME !== "ZRINIT") {
+            throw("First header should be ZRINIT, not " + zrinit_hdr.NAME);
+        }
+
+        this._last_header_name = 'ZRINIT';
+
+        //We don鈥檛 need to send crc32. Even if the other side can grok it,
+        //there鈥檚 no point to sending it since, for now, we assume we鈥檙e
+        //on a reliable connection, e.g., TCP. Ideally we鈥檇 just forgo
+        //CRC checks completely, but ZMODEM doesn鈥檛 allow that.
+        //
+        //If we *were* to start using crc32, we鈥檇 update this every time
+        //we send a header.
+        this._subpacket_encode_func = 'encode16';
+
+        this._zencoder = new Zmodem.ZDLE();
+
+        this._consume_ZRINIT(zrinit_hdr);
+
+        this._file_offset = 0;
+
+        var zrqinit_count = 0;
+
+        this._start_keepalive_on_set_sender = true;
+
+        //lrzsz will send ZRINIT until it gets an offer. (keep-alive?)
+        //It sends 4 additional ones after the initial ZRINIT and, if
+        //no response is received, starts sending 鈥淐鈥� (0x43, 67) as if to
+        //try to downgrade to XMODEM or YMODEM.
+        //var sess = this;
+        //this._prepare_to_receive_ZRINIT( function keep_alive() {
+        //    sess._prepare_to_receive_ZRINIT(keep_alive);
+        //} );
+
+        //queue up the ZSINIT flag to send -- but seems useless??
+
+        /*
+        Object.assign(
+            this._on_evt,
+            {
+                file_received: [],
+            },
+        };
+        */
+    }
+
+    /**
+     * Sets the sender function. The first time this is called,
+     * it will also initiate a keepalive using ZSINIT until the
+     * first file is sent.
+     *
+     * @param {Function} func - The function to call.
+     *  It will receive an Array with the relevant octets.
+     *
+     * @return {Session} The session object (for chaining).
+     */
+    set_sender(func) {
+        super.set_sender(func);
+
+        if (this._start_keepalive_on_set_sender) {
+            this._start_keepalive_on_set_sender = false;
+            this._start_keepalive();
+        }
+
+        return this;
+    }
+
+    //7.3.3 .. The sender also uses hex headers when they are
+    //not followed by binary data subpackets.
+    //
+    //FG: 鈥� or when the header is ZSINIT? That鈥檚 what lrzsz does, anyway.
+    //Then it sends a single NUL byte as the payload to an end_ack subpacket.
+    _get_header_formatter(name) {
+        return SENDER_BINARY_HEADER[name] ? "to_binary16" : "to_hex";
+    }
+
+    //In order to keep lrzsz from timing out, we send ZSINIT every 5 seconds.
+    //Maybe make this configurable?
+    _start_keepalive() {
+        //if (this._keepalive_promise) throw "Keep-alive already started!";
+        if (!this._keepalive_promise) {
+            var sess = this;
+
+            this._keepalive_promise = new Promise(function(resolve) {
+                //console.log("SETTING KEEPALIVE TIMEOUT");
+                sess._keepalive_timeout = setTimeout(resolve, KEEPALIVE_INTERVAL);
+            }).then( function() {
+                sess._next_header_handler = {
+                    ZACK: function() {
+
+                        //We鈥檙e going to need to ensure that the
+                        //receiver is ready for all control characters
+                        //to be escaped. If we鈥檝e already sent a ZSINIT
+                        //and gotten a response, then we know that that
+                        //work is already done later on when we actually
+                        //send an offer.
+                        sess._got_ZSINIT_ZACK = true;
+                    },
+                };
+                sess._send_ZSINIT();
+
+                sess._keepalive_promise = null;
+                sess._start_keepalive();
+            });
+        }
+    }
+
+    _stop_keepalive() {
+        if (this._keepalive_promise) {
+            //console.log("STOPPING KEEPALIVE");
+            clearTimeout(this._keepalive_timeout);
+            this._keep_alive_promise = null;
+        }
+    }
+
+    _send_ZSINIT() {
+        //See note at _ensure_receiver_escapes_ctrl_chars()
+        //for why we have to pass ESCCTL.
+
+        var zsinit_flags = [];
+        if (this._zencoder.escapes_ctrl_chars()) {
+            zsinit_flags.push("ESCCTL");
+        }
+
+        this._send_header_and_data(
+            ["ZSINIT", zsinit_flags],
+            [0],
+            "end_ack"
+        );
+    }
+
+    _consume_ZRINIT(hdr) {
+        this._last_ZRINIT = hdr;
+
+        if (hdr.get_buffer_size()) {
+            throw( "Buffer size (" + hdr.get_buffer_size() + ") is unsupported!" );
+        }
+
+        if (!hdr.can_full_duplex()) {
+            throw( "Half-duplex I/O is unsupported!" );
+        }
+
+        if (!hdr.can_overlap_io()) {
+            throw( "Non-overlap I/O is unsupported!" );
+        }
+
+        if (hdr.escape_8th_bit()) {
+            throw( "8-bit escaping is unsupported!" );
+        }
+
+        if (FORCE_ESCAPE_CTRL_CHARS) {
+            this._zencoder.set_escape_ctrl_chars(true);
+            if (!hdr.escape_ctrl_chars()) {
+                console.debug("Peer didn鈥檛 request escape of all control characters. Will send ZSINIT to force recognition of escaped control characters.");
+            }
+        }
+        else {
+            this._zencoder.set_escape_ctrl_chars(hdr.escape_ctrl_chars());
+        }
+    }
+
+    //https://stackoverflow.com/questions/23155939/missing-0xf-and-0x16-when-binary-data-through-virtual-serial-port-pair-created-b
+    //^^ Because of that, we always escape control characters.
+    //The alternative would be that lrz would never receive those
+    //two bytes from zmodem.js.
+    _ensure_receiver_escapes_ctrl_chars() {
+        var promise;
+
+        var needs_ZSINIT = !this._last_ZRINIT.escape_ctrl_chars() && !this._got_ZSINIT_ZACK;
+
+        if (needs_ZSINIT) {
+            var sess = this;
+            promise = new Promise( function(res) {
+                sess._next_header_handler = {
+                    ZACK: (hdr) => {
+                        res();
+                    },
+                };
+                sess._send_ZSINIT();
+            } );
+        }
+        else {
+            promise = Promise.resolve();
+        }
+
+        return promise;
+    }
+
+    _convert_params_to_offer_payload_array(params) {
+        params = Zmodem.Validation.offer_parameters(params);
+
+        var subpacket_payload = params.name + "\x00";
+
+        var subpacket_space_pieces = [
+            (params.size || 0).toString(10),
+            params.mtime ? params.mtime.toString(8) : "0",
+            params.mode ? (0x8000 | params.mode).toString(8) : "0",
+            "0",    //serial
+        ];
+
+        if (params.files_remaining) {
+            subpacket_space_pieces.push( params.files_remaining );
+
+            if (params.bytes_remaining) {
+                subpacket_space_pieces.push( params.bytes_remaining );
+            }
+        }
+
+        subpacket_payload += subpacket_space_pieces.join(" ");
+        return this._string_to_octets(subpacket_payload);
+    }
+
+    /**
+     * Send an offer to the receiver.
+     *
+     * @param {FileDetails} params - All about the file you want to transfer.
+     *
+     * @returns {Promise} If the receiver accepts the offer, then the
+     * resolution is a Transfer object; otherwise the resolution is
+     * undefined.
+     */
+    send_offer(params) {
+        if (!params) throw "need file params!";
+
+        if (this._sending_file) throw "Already sending file!";
+
+        var payload_array = this._convert_params_to_offer_payload_array(params);
+
+        this._stop_keepalive();
+
+        var sess = this;
+
+        var doer_func = function() {
+
+            //return Promise object that is fulfilled when the ZRPOS or ZSKIP arrives.
+            //The promise value is the byte offset, or undefined for ZSKIP.
+            //If ZRPOS arrives, then send ZDATA(0) and set this._sending_file.
+            var handler_setter_promise = new Promise( function(res) {
+                sess._next_header_handler = {
+                    ZSKIP: function() {
+                        sess._start_keepalive();
+                        res();
+                    },
+                    ZRPOS: function(hdr) {
+                        sess._sending_file = true;
+                        res(
+                            new Transfer(
+                                params,
+                                hdr.get_offset(),
+                                sess._send_interim_file_piece.bind(sess),
+                                sess._end_file.bind(sess)
+                            )
+                        );
+                    },
+                };
+            } );
+
+            sess._send_header_and_data( ["ZFILE"], payload_array, "end_ack" );
+
+            delete sess._sent_ZDATA;
+
+            return handler_setter_promise;
+        };
+
+        if (FORCE_ESCAPE_CTRL_CHARS) {
+            return this._ensure_receiver_escapes_ctrl_chars().then(doer_func);
+        }
+
+        return doer_func();
+    }
+
+    _send_header_and_data( hdr_name_and_args, data_arr, frameend ) {
+        var bytes_hdr = this._create_header_bytes(hdr_name_and_args);
+
+        var data_bytes = this._build_subpacket_bytes(data_arr, frameend);
+
+        bytes_hdr[0].push.apply( bytes_hdr[0], data_bytes );
+
+        this._sender( bytes_hdr[0] );
+
+        this._last_sent_header = bytes_hdr[1];
+    }
+
+    _build_subpacket_bytes( bytes_arr, frameend ) {
+        var subpacket = Zmodem.Subpacket.build(bytes_arr, frameend);
+
+        return subpacket[this._subpacket_encode_func]( this._zencoder );
+    }
+
+    _build_and_send_subpacket( bytes_arr, frameend ) {
+        this._sender( this._build_subpacket_bytes(bytes_arr, frameend) );
+    }
+
+    _string_to_octets(string) {
+        if (!this._textencoder) {
+            this._textencoder = new Zmodem.Text.Encoder();
+        }
+
+        var uint8arr = this._textencoder.encode(string);
+        return Array.prototype.slice.call(uint8arr);
+    }
+
+    /*
+    Potential future support for responding to ZRPOS:
+    send_file_offset(offset) {
+    }
+    */
+
+    /*
+        Sending logic works thus:
+            - ASSUME the receiver can overlap I/O (CANOVIO)
+                (so fail if !CANFDX || !CANOVIO)
+            - Sender opens the firehose 鈥� all ZCRCG (!end/!ack)
+                until the end, when we send a ZCRCE (end/!ack)
+                NB: try 8k/32k/64k chunk sizes? Looks like there鈥檚
+                no need to change the packet otherwise.
+    */
+    //TODO: Put this on a Transfer object similar to what Receive uses?
+    _send_interim_file_piece(bytes_obj) {
+
+        //We don鈥檛 ask the receiver to confirm because there鈥檚 no need.
+        this._send_file_part(bytes_obj, "no_end_no_ack");
+
+        //This pattern will allow
+        //error-correction without buffering the entire stream in JS.
+        //For now the promise is always resolved, but in the future we
+        //can make it only resolve once we鈥檝e gotten acknowledgement.
+        return Promise.resolve();
+    }
+
+    _ensure_we_are_sending() {
+        if (!this._sending_file) throw "Not sending a file currently!";
+    }
+
+    //This resolves once we receive ZEOF.
+    _end_file(bytes_obj) {
+        this._ensure_we_are_sending();
+
+        //Is the frame-end-ness of this last packet redundant
+        //with the ZEOF packet?? - No. It signals the receiver that
+        //the next thing to expect is a header, not a packet.
+
+        //no-ack, following lrzsz鈥檚 example
+        this._send_file_part(bytes_obj, "end_no_ack");
+
+        var sess = this;
+
+        //Register this before we send ZEOF in case of local round-trip.
+        //(Basically just for synchronous testing, but.)
+        var ret = new Promise( function(res) {
+            //console.log("UNSETTING SENDING FLAG");
+            sess._sending_file = false;
+            sess._prepare_to_receive_ZRINIT(res);
+        } );
+
+        this._send_header( "ZEOF", this._file_offset );
+
+        this._file_offset = 0;
+
+        return ret;
+    }
+
+    //Called at the beginning of our session
+    //and also when we鈥檙e done sending a file.
+    _prepare_to_receive_ZRINIT(after_consume) {
+        this._next_header_handler = {
+            ZRINIT: function(hdr) {
+                this._consume_ZRINIT(hdr);
+                if (after_consume) after_consume();
+            },
+        };
+    }
+
+    /**
+     * Signal to the receiver that the ZMODEM session is wrapping up.
+     *
+     * @returns {Promise} Resolves when the receiver has responded to
+     * our signal that the session is over.
+     */
+    close() {
+        var ok_to_close = (this._last_header_name === "ZRINIT")
+        if (!ok_to_close) {
+            ok_to_close = (this._last_header_name === "ZSKIP");
+        }
+        if (!ok_to_close) {
+            ok_to_close = (this._last_sent_header.name === "ZSINIT") &&  (this._last_header_name === "ZACK");
+        }
+
+        if (!ok_to_close) {
+            throw( "Can鈥檛 close; last received header was 鈥�" + this._last_header_name + "鈥�" );
+        }
+
+        var sess = this;
+
+        var ret = new Promise( function(res, rej) {
+            sess._next_header_handler = {
+                ZFIN: function() {
+                    sess._sender( OVER_AND_OUT );
+                    sess._sent_OO = true;
+                    sess._on_session_end();
+                    res();
+                },
+            };
+        } );
+
+        this._send_header("ZFIN");
+
+        return ret;
+    }
+
+    _has_ended() {
+        return this.aborted() || !!this._sent_OO;
+    }
+
+    _send_file_part(bytes_obj, final_packetend) {
+        if (!this._sent_ZDATA) {
+            this._send_header( "ZDATA", this._file_offset );
+            this._sent_ZDATA = true;
+        }
+
+        var obj_offset = 0;
+
+        var bytes_count = bytes_obj.length;
+
+        //We have to go through at least once in event of an
+        //empty buffer, e.g., an empty end_file.
+        while (true) {
+            var chunk_size = Math.min(obj_offset + MAX_CHUNK_LENGTH, bytes_count) - obj_offset;
+
+            var at_end = (chunk_size + obj_offset) >= bytes_count;
+
+            var chunk = bytes_obj.slice( obj_offset, obj_offset + chunk_size );
+            if (!(chunk instanceof Array)) {
+                chunk = Array.prototype.slice.call(chunk);
+            }
+
+            this._build_and_send_subpacket(
+                chunk,
+                at_end ? final_packetend : "no_end_no_ack"
+            );
+
+            this._file_offset += chunk_size;
+            obj_offset += chunk_size;
+
+            if (obj_offset >= bytes_count) break;
+        }
+    }
+
+    _consume_first() {
+        if (!this._parse_and_consume_header()) {
+
+            //When the ZMODEM receive program starts, it immediately sends
+            //a ZRINIT header to initiate ZMODEM file transfers, or a
+            //ZCHALLENGE header to verify the sending program. The receive
+            //program resends its header at response time (default 10 second)
+            //intervals for a suitable period of time (40 seconds total)
+            //before falling back to YMODEM protocol.
+            if (this._input_buffer.join() === "67") {
+                throw "Receiver has fallen back to YMODEM.";
+            }
+        }
+    }
+
+    _on_session_end() {
+        this._stop_keepalive();
+        super._on_session_end();
+    }
+}
+
+Object.assign(
+    Zmodem.Session.Send.prototype,
+    {
+        type: "send",
+    }
+);
+
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports) {
+
+class _my_TextEncoder {
+    encode(text) {
+        text = unescape(encodeURIComponent(text));
+
+        var bytes = new Array( text.length );
+
+        for (var b = 0; b < text.length; b++) {
+            bytes[b] = text.charCodeAt(b);
+        }
+
+        return new Uint8Array(bytes);
+    }
+}
+
+class _my_TextDecoder {
+    decode(bytes) {
+        return decodeURIComponent( escape( String.fromCharCode.apply(String, bytes) ) );
+    }
+}
+
+var Zmodem = module.exports;
+
+/**
+ * A limited-use compatibility shim for TextEncoder and TextDecoder.
+ * Useful because both Edge and node.js still lack support for these
+ * as of October 2017.
+ *
+ * @exports Text
+ */
+Zmodem.Text = {
+    Encoder: (typeof TextEncoder !== "undefined") ? TextEncoder : _my_TextEncoder,
+    Decoder: (typeof TextDecoder !== "undefined") ? TextDecoder : _my_TextDecoder,
+};
+
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(2),
+    __webpack_require__(3),
+    __webpack_require__(0),
+    __webpack_require__(4),
+    __webpack_require__(1)
+);
+
+const ZPAD = '*'.charCodeAt(0),
+    ZBIN = 'A'.charCodeAt(0),
+    ZHEX = 'B'.charCodeAt(0),
+    ZBIN32 = 'C'.charCodeAt(0)
+;
+
+//NB: lrzsz uses \x8a rather than \x0a where the specs
+//say to use LF. For simplicity, we avoid that and just use
+//the 7-bit LF character.
+const HEX_HEADER_CRLF = [ 0x0d, 0x0a ];
+const HEX_HEADER_CRLF_XON = HEX_HEADER_CRLF.slice(0).concat( [Zmodem.ZMLIB.XON] );
+
+//These are more or less duplicated by the logic in trim_leading_garbage().
+//
+//"**" + ZDLE_CHAR + "B"
+const HEX_HEADER_PREFIX = [ ZPAD, ZPAD, Zmodem.ZMLIB.ZDLE, ZHEX ];
+const BINARY16_HEADER_PREFIX = [ ZPAD, Zmodem.ZMLIB.ZDLE, ZBIN ];
+const BINARY32_HEADER_PREFIX = [ ZPAD, Zmodem.ZMLIB.ZDLE, ZBIN32 ];
+
+/** Class that represents a ZMODEM header. */
+Zmodem.Header = class ZmodemHeader {
+
+    //lrzsz鈥檚 鈥渟z鈥� command sends a random (?) CR/0x0d byte
+    //after ZEOF. Let鈥檚 accommodate 0x0a, 0x0d, 0x8a, and 0x8d.
+    //
+    //Also, when you skip a file, sz outputs a message about it.
+    //
+    //It appears that we鈥檙e supposed to ignore anything until
+    //[ ZPAD, ZDLE ] when we鈥檙e looking for a header.
+
+    /**
+     * Weed out the leading bytes that aren鈥檛 valid to start a ZMODEM header.
+     *
+     * @param {number[]} ibuffer - The octet values to parse.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {number[]} The octet values that were removed from the start
+     *      of 鈥渋buffer鈥�. Order is preserved.
+     */
+    static trim_leading_garbage(ibuffer) {
+        //Since there鈥檚 no escaping of the output it鈥檚 possible
+        //that the garbage could trip us up, e.g., by having a filename
+        //be a legit ZMODEM header. But that鈥檚 pretty unlikely.
+
+        //Everything up to the first ZPAD: garbage
+        //If first ZPAD has asterisk + ZDLE
+
+        var garbage = [];
+
+        var discard_all, parser, next_ZPAD_at_least = 0;
+
+      TRIM_LOOP:
+        while (ibuffer.length && !parser) {
+            var first_ZPAD = ibuffer.indexOf(ZPAD);
+
+            //No ZPAD? Then we purge the input buffer cuz it鈥檚 all garbage.
+            if (first_ZPAD === -1) {
+                discard_all = true;
+                break TRIM_LOOP;
+            }
+            else {
+                garbage.push.apply( garbage, ibuffer.splice(0, first_ZPAD) );
+
+                //buffer has only an asterisk 鈥� gotta see about more
+                if (ibuffer.length < 2) {
+                    break TRIM_LOOP;
+                }
+                else if (ibuffer[1] === ZPAD) {
+                    //Two leading ZPADs should be a hex header.
+
+                    //We鈥檙e assuming the length of the header is 4 in
+                    //this logic 鈥� but ZMODEM isn鈥檛 likely to change, so.
+                    if (ibuffer.length < HEX_HEADER_PREFIX.length) {
+                        if (ibuffer.join() === HEX_HEADER_PREFIX.slice(0, ibuffer.length).join()) {
+                            //We have an incomplete fragment that matches
+                            //HEX_HEADER_PREFIX. So don鈥檛 trim any more.
+                            break TRIM_LOOP;
+                        }
+
+                        //Otherwise, we鈥檒l discard one.
+                    }
+                    else if ((ibuffer[2] === HEX_HEADER_PREFIX[2]) && (ibuffer[3] === HEX_HEADER_PREFIX[3])) {
+                        parser = _parse_hex;
+                    }
+                }
+                else if (ibuffer[1] === Zmodem.ZMLIB.ZDLE) {
+                    //ZPAD + ZDLE should be a binary header.
+                    if (ibuffer.length < BINARY16_HEADER_PREFIX.length) {
+                        break TRIM_LOOP;
+                    }
+
+                    if (ibuffer[2] === BINARY16_HEADER_PREFIX[2]) {
+                        parser = _parse_binary16;
+                    }
+                    else if (ibuffer[2] === BINARY32_HEADER_PREFIX[2]) {
+                        parser = _parse_binary32;
+                    }
+                }
+
+                if (!parser) {
+                    garbage.push( ibuffer.shift() );
+                }
+            }
+        }
+
+        if (discard_all) {
+            garbage.push.apply( garbage, ibuffer.splice(0) );
+        }
+
+        //For now we鈥檒l throw away the parser.
+        //It鈥檚 not hard for parse() to discern anyway.
+
+        return garbage;
+    }
+
+    /**
+     * Parse out a Header object from a given array of octet values.
+     *
+     * An exception is thrown if the given bytes are definitively invalid
+     * as header values.
+     *
+     * @param {number[]} octets - The octet values to parse.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {Header|undefined} An instance of the appropriate Header
+     *      subclass, or undefined if not enough octet values are given
+     *      to determine whether there is a valid header here or not.
+     */
+    static parse(octets) {
+        var hdr;
+        if (octets[1] === ZPAD) {
+            hdr = _parse_hex(octets);
+            return hdr && [ hdr, 16 ];
+        }
+
+        else if (octets[2] === ZBIN) {
+            hdr = _parse_binary16(octets, 3);
+            return hdr && [ hdr, 16 ];
+        }
+
+        else if (octets[2] === ZBIN32) {
+            hdr = _parse_binary32(octets);
+            return hdr && [ hdr, 32 ];
+        }
+
+        if (octets.length < 3) return;
+
+        throw( "Unrecognized/unsupported octets: " + octets.join() );
+    }
+
+    /**
+     * Build a Header subclass given a name and arguments.
+     *
+     * @param {string} name - The header type name, e.g., 鈥淶RINIT鈥�.
+     *
+     * @param {...*} args - The arguments to pass to the appropriate
+     *      subclass constructor. These aren鈥檛 documented currently
+     *      but are pretty easy to glean from the code.
+     *
+     * @returns {Header} An instance of the appropriate Header subclass.
+     */
+    static build(name /*, args */) {
+        var args = (arguments.length === 1 ? [arguments[0]] : Array.apply(null, arguments));
+
+        //TODO: make this better
+        var Ctr = FRAME_NAME_CREATOR[name];
+        if (!Ctr) throw("No frame class 鈥�" + name + "鈥� is defined!");
+
+        args.shift();
+
+        //Plegh!
+        //https://stackoverflow.com/questions/33193310/constr-applythis-args-in-es6-classes
+        var hdr = new (Ctr.bind.apply(Ctr, [null].concat(args)));
+
+        return hdr;
+    }
+
+    /**
+     * Return the octet values array that represents the object
+     * in ZMODEM hex encoding.
+     *
+     * @returns {number[]} An array of octet values suitable for sending
+     *      as binary data.
+     */
+    to_hex() {
+        var to_crc = this._crc_bytes();
+
+        return HEX_HEADER_PREFIX.concat(
+            Zmodem.ENCODELIB.octets_to_hex( to_crc.concat( Zmodem.CRC.crc16(to_crc) ) ),
+            this._hex_header_ending
+        );
+    }
+
+    /**
+     * Return the octet values array that represents the object
+     * in ZMODEM binary encoding with a 16-bit CRC.
+     *
+     * @param {ZDLE} zencoder - A ZDLE instance to use for
+     *      ZDLE encoding.
+     *
+     * @returns {number[]} An array of octet values suitable for sending
+     *      as binary data.
+     */
+    to_binary16(zencoder) {
+        return this._to_binary(zencoder, BINARY16_HEADER_PREFIX, Zmodem.CRC.crc16);
+    }
+
+    /**
+     * Return the octet values array that represents the object
+     * in ZMODEM binary encoding with a 32-bit CRC.
+     *
+     * @param {ZDLE} zencoder - A ZDLE instance to use for
+     *      ZDLE encoding.
+     *
+     * @returns {number[]} An array of octet values suitable for sending
+     *      as binary data.
+     */
+    to_binary32(zencoder) {
+        return this._to_binary(zencoder, BINARY32_HEADER_PREFIX, Zmodem.CRC.crc32);
+    }
+
+    //This is never called directly, but only as super().
+    constructor() {
+        if (!this._bytes4) {
+            this._bytes4 = [0, 0, 0, 0];
+        }
+    }
+
+    _to_binary(zencoder, prefix, crc_func) {
+        var to_crc = this._crc_bytes();
+
+        //Both the 4-byte payload and the CRC bytes are ZDLE-encoded.
+        var octets = prefix.concat(
+            zencoder.encode( to_crc.concat( crc_func(to_crc) ) )
+        );
+
+        return octets;
+    }
+
+    _crc_bytes() {
+        return [ this.TYPENUM ].concat(this._bytes4);
+    }
+}
+Zmodem.Header.prototype._hex_header_ending = HEX_HEADER_CRLF_XON;
+
+class ZRQINIT_HEADER extends Zmodem.Header {};
+
+//----------------------------------------------------------------------
+
+const ZRINIT_FLAG = {
+
+    //----------------------------------------------------------------------
+    // Bit Masks for ZRINIT flags byte ZF0
+    //----------------------------------------------------------------------
+    CANFDX: 0x01,  // Rx can send and receive true FDX
+    CANOVIO: 0x02, // Rx can receive data during disk I/O
+    CANBRK: 0x04,  // Rx can send a break signal
+    CANCRY: 0x08,  // Receiver can decrypt -- nothing does this
+    CANLZW: 0x10,  // Receiver can uncompress -- nothing does this
+    CANFC32: 0x20, // Receiver can use 32 bit Frame Check
+    ESCCTL: 0x40,  // Receiver expects ctl chars to be escaped
+    ESC8: 0x80,    // Receiver expects 8th bit to be escaped
+};
+
+function _get_ZRINIT_flag_num(fl) {
+    if (!ZRINIT_FLAG[fl]) {
+        throw new Zmodem.Error("Invalid ZRINIT flag: " + fl);
+    }
+    return ZRINIT_FLAG[fl];
+}
+
+class ZRINIT_HEADER extends Zmodem.Header {
+    constructor(flags_arr, bufsize) {
+        super();
+        var flags_num = 0;
+        if (!bufsize) bufsize = 0;
+
+        flags_arr.forEach( function(fl) {
+            flags_num |= _get_ZRINIT_flag_num(fl);
+        } );
+
+        this._bytes4 = [
+            bufsize & 0xff,
+            bufsize >> 8,
+            0,
+            flags_num,
+        ];
+    }
+
+    //undefined if nonstop I/O is allowed
+    get_buffer_size() {
+        return Zmodem.ENCODELIB.unpack_u16_be( this._bytes4.slice(0, 2) ) || undefined;
+    }
+
+    //Unimplemented:
+    //  can_decrypt
+    //  can_decompress
+
+    //----------------------------------------------------------------------
+    //function names taken from Jacques Mattheij鈥檚 implementation,
+    //as used in syncterm.
+
+    can_full_duplex() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.CANFDX );
+    }
+
+    can_overlap_io() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.CANOVIO );
+    }
+
+    can_break() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.CANBRK );
+    }
+
+    can_fcs_32() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.CANFC32 );
+    }
+
+    escape_ctrl_chars() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.ESCCTL );
+    }
+
+    //Is this used? I don鈥檛 see it used in lrzsz or syncterm
+    //Looks like it was a 鈥渇oreseen鈥� feature that Forsberg
+    //never implemented. (The need for it went away, maybe?)
+    escape_8th_bit() {
+        return !!( this._bytes4[3] & ZRINIT_FLAG.ESC8 );
+    }
+};
+
+//----------------------------------------------------------------------
+
+//Since context makes clear what鈥檚 going on, we use these
+//rather than the T-prefixed constants in the specification.
+const ZSINIT_FLAG = {
+    ESCCTL: 0x40,  // Transmitter will escape ctl chars
+    ESC8: 0x80,    // Transmitter will escape 8th bit
+};
+
+function _get_ZSINIT_flag_num(fl) {
+    if (!ZSINIT_FLAG[fl]) {
+        throw("Invalid ZSINIT flag: " + fl);
+    }
+    return ZSINIT_FLAG[fl];
+}
+
+class ZSINIT_HEADER extends Zmodem.Header {
+    constructor( flags_arr, attn_seq_arr ) {
+        super();
+        var flags_num = 0;
+
+        flags_arr.forEach( function(fl) {
+            flags_num |= _get_ZSINIT_flag_num(fl);
+        } );
+
+        this._bytes4 = [ 0, 0, 0, flags_num ];
+
+        if (attn_seq_arr) {
+            if (attn_seq_arr.length > 31) {
+                throw("Attn sequence must be <= 31 bytes");
+            }
+            if (attn_seq_arr.some( function(num) { return num > 255 } )) {
+                throw("Attn sequence (" + attn_seq_arr + ") must be <256");
+            }
+            this._data = attn_seq_arr.concat([0]);
+        }
+    }
+
+    escape_ctrl_chars() {
+        return !!( this._bytes4[3] & ZSINIT_FLAG.ESCCTL );
+    }
+
+    //Is this used? I don鈥檛 see it used in lrzsz or syncterm
+    escape_8th_bit() {
+        return !!( this._bytes4[3] & ZSINIT_FLAG.ESC8 );
+    }
+}
+
+//Thus far it doesn鈥檛 seem we really need this header except to respond
+//to ZSINIT, which doesn鈥檛 require a payload.
+class ZACK_HEADER extends Zmodem.Header {
+    constructor(payload4) {
+        super();
+
+        if (payload4) {
+            this._bytes4 = payload4.slice();
+        }
+    }
+}
+ZACK_HEADER.prototype._hex_header_ending = HEX_HEADER_CRLF;
+
+//----------------------------------------------------------------------
+
+const ZFILE_VALUES = {
+
+    //ZF3 (i.e., first byte)
+    extended: {
+        sparse: 0x40,   //ZXSPARS
+    },
+
+    //ZF2
+    transport: [
+        undefined,
+        "compress",         //ZTLZW
+        "encrypt",          //ZTCRYPT
+        "rle",              //ZTRLE
+    ],
+
+    //ZF1
+    management: [
+        undefined,
+        "newer_or_longer",  //ZF1_ZMNEWL
+        "crc",              //ZF1_ZMCRC
+        "append",           //ZF1_ZMAPND
+        "clobber",          //ZF1_ZMCLOB
+        "newer",            //ZF1_ZMNEW
+        "mtime_or_length",  //ZF1_ZMNEW
+        "protect",          //ZF1_ZMPROT
+        "rename",           //ZF1_ZMPROT
+    ],
+
+    //ZF0 (i.e., last byte)
+    conversion: [
+        undefined,
+        "binary",           //ZCBIN
+        "text",             //ZCNL
+        "resume",           //ZCRESUM
+    ],
+};
+
+const ZFILE_ORDER = ["extended", "transport", "management", "conversion"];
+
+const ZMSKNOLOC = 0x80,
+    MANAGEMENT_MASK = 0x1f,
+    ZXSPARS = 0x40
+;
+
+class ZFILE_HEADER extends Zmodem.Header {
+
+    //TODO: allow options on instantiation
+    get_options() {
+        var opts = {
+            sparse: !!(this._bytes4[0] & ZXSPARS),
+        };
+
+        var bytes_copy = this._bytes4.slice(0);
+
+        ZFILE_ORDER.forEach( function(key, i) {
+            if (ZFILE_VALUES[key] instanceof Array) {
+                if (key === "management") {
+                    opts.skip_if_absent = !!(bytes_copy[i] & ZMSKNOLOC);
+                    bytes_copy[i] &= MANAGEMENT_MASK;
+                }
+
+                opts[key] = ZFILE_VALUES[key][ bytes_copy[i] ];
+            }
+            else {
+                for (var extkey in ZFILE_VALUES[key]) {
+                    opts[extkey] = !!(bytes_copy[i] & ZFILE_VALUES[key][extkey]);
+                    if (opts[extkey]) {
+                        bytes_copy[i] ^= ZFILE_VALUES[key][extkey]
+                    }
+                }
+            }
+
+            if (!opts[key] && bytes_copy[i]) {
+                opts[key] = "unknown:" + bytes_copy[i];
+            }
+        } );
+
+        return opts;
+    }
+}
+
+//----------------------------------------------------------------------
+
+//Empty headers - in addition to ZRQINIT
+class ZSKIP_HEADER extends Zmodem.Header {}
+//No need for ZNAK
+class ZABORT_HEADER extends Zmodem.Header {}
+class ZFIN_HEADER extends Zmodem.Header {}
+class ZFERR_HEADER extends Zmodem.Header {}
+
+ZFIN_HEADER.prototype._hex_header_ending = HEX_HEADER_CRLF;
+
+class ZOffsetHeader extends Zmodem.Header {
+    constructor(offset) {
+        super();
+        this._bytes4 = Zmodem.ENCODELIB.pack_u32_le(offset);
+    }
+
+    get_offset() {
+        return Zmodem.ENCODELIB.unpack_u32_le(this._bytes4);
+    }
+}
+
+class ZRPOS_HEADER extends ZOffsetHeader {};
+class ZDATA_HEADER extends ZOffsetHeader {};
+class ZEOF_HEADER extends ZOffsetHeader {};
+
+//As request, receiver creates.
+/* UNIMPLEMENTED FOR NOW
+class ZCRC_HEADER extends ZHeader {
+    constructor(crc_le_bytes) {
+        super();
+        if (crc_le_bytes) {  //response, sender creates
+            this._bytes4 = crc_le_bytes;
+        }
+    }
+}
+*/
+
+//No ZCHALLENGE implementation
+
+//class ZCOMPL_HEADER extends ZHeader {}
+//class ZCAN_HEADER extends Zmodem.Header {}
+
+//As described, this header represents an information disclosure.
+//It could be interpreted, I suppose, merely as 鈥渢his is how much space
+//I have FOR YOU.鈥�
+//TODO: implement if needed/requested
+//class ZFREECNT_HEADER extends ZmodemHeader {}
+
+//----------------------------------------------------------------------
+
+const FRAME_CLASS_TYPES = [
+    [ ZRQINIT_HEADER, "ZRQINIT" ],
+    [ ZRINIT_HEADER, "ZRINIT" ],
+    [ ZSINIT_HEADER, "ZSINIT" ],
+    [ ZACK_HEADER, "ZACK" ],
+    [ ZFILE_HEADER, "ZFILE" ],
+    [ ZSKIP_HEADER, "ZSKIP" ],
+    undefined, // [ ZNAK_HEADER, "ZNAK" ],
+    [ ZABORT_HEADER, "ZABORT" ],
+    [ ZFIN_HEADER, "ZFIN" ],
+    [ ZRPOS_HEADER, "ZRPOS" ],
+    [ ZDATA_HEADER, "ZDATA" ],
+    [ ZEOF_HEADER, "ZEOF" ],
+    [ ZFERR_HEADER, "ZFERR" ],  //see note
+    undefined, //[ ZCRC_HEADER, "ZCRC" ],
+    undefined, //[ ZCHALLENGE_HEADER, "ZCHALLENGE" ],
+    undefined, //[ ZCOMPL_HEADER, "ZCOMPL" ],
+    undefined, //[ ZCAN_HEADER, "ZCAN" ],
+    undefined, //[ ZFREECNT_HEADER, "ZFREECNT" ],
+    undefined, //[ ZCOMMAND_HEADER, "ZCOMMAND" ],
+    undefined, //[ ZSTDERR_HEADER, "ZSTDERR" ],
+];
+
+/*
+ZFERR is described as 鈥渆rror in reading or writing file鈥�. It鈥檚 really
+not a good idea from a security angle for the endpoint to expose this
+information. We should parse this and handle it as ZABORT but never send it.
+Likewise with ZFREECNT: the sender shouldn鈥檛 ask how much space is left
+on the other box; rather, the receiver should decide what to do with the
+file size as the sender reports it.
+*/
+
+var FRAME_NAME_CREATOR = {};
+
+for (var fc=0; fc<FRAME_CLASS_TYPES.length; fc++) {
+    if (!FRAME_CLASS_TYPES[fc]) continue;
+
+    FRAME_NAME_CREATOR[ FRAME_CLASS_TYPES[fc][1] ] = FRAME_CLASS_TYPES[fc][0];
+
+    Object.assign(
+        FRAME_CLASS_TYPES[fc][0].prototype,
+        {
+            TYPENUM: fc,
+            NAME: FRAME_CLASS_TYPES[fc][1],
+        }
+    );
+}
+
+//----------------------------------------------------------------------
+
+const CREATORS = [
+    ZRQINIT_HEADER,
+    ZRINIT_HEADER,
+    ZSINIT_HEADER,
+    ZACK_HEADER,
+    ZFILE_HEADER,
+    ZSKIP_HEADER,
+    'ZNAK',
+    ZABORT_HEADER,
+    ZFIN_HEADER,
+    ZRPOS_HEADER,
+    ZDATA_HEADER,
+    ZEOF_HEADER,
+    ZFERR_HEADER,
+    'ZCRC', //ZCRC_HEADER, -- leaving unimplemented?
+    'ZCHALLENGE',
+    'ZCOMPL',
+    'ZCAN',
+    'ZFREECNT', // ZFREECNT_HEADER,
+    'ZCOMMAND',
+    'ZSTDERR',
+];
+
+function _get_blank_header(typenum) {
+    var creator = CREATORS[typenum];
+    if (typeof(creator) === "string") {
+        throw( "Received unsupported header: " + creator );
+    }
+
+    /*
+    if (creator === ZCRC_HEADER) {
+        return new creator([0, 0, 0, 0]);
+    }
+    */
+
+    return _get_blank_header_from_constructor(creator);
+}
+
+//referenced outside TODO
+function _get_blank_header_from_constructor(creator) {
+    if (creator.prototype instanceof ZOffsetHeader) {
+        return new creator(0);
+    }
+
+    return new creator([]);
+}
+
+function _parse_binary16(bytes_arr) {
+
+    //The max length of a ZDLE-encoded binary header w/ 16-bit CRC is:
+    //  3 initial bytes, NOT ZDLE-encoded
+    //  2 typenum bytes     (1 decoded)
+    //  8 data bytes        (4 decoded)
+    //  4 CRC bytes         (2 decoded)
+
+    //A 16-bit payload has 7 ZDLE-encoded octets.
+    //The ZDLE-encoded octets follow the initial prefix.
+    var zdle_decoded = Zmodem.ZDLE.splice( bytes_arr, BINARY16_HEADER_PREFIX.length, 7 );
+
+    return zdle_decoded && _parse_non_zdle_binary16(zdle_decoded);
+}
+
+function _parse_non_zdle_binary16(decoded) {
+    Zmodem.CRC.verify16(
+        decoded.slice(0, 5),
+        decoded.slice(5)
+    );
+
+    var typenum = decoded[0];
+    var hdr = _get_blank_header(typenum);
+    hdr._bytes4 = decoded.slice( 1, 5 );
+
+    return hdr;
+}
+
+function _parse_binary32(bytes_arr) {
+
+    //Same deal as with 16-bit CRC except there are two more
+    //potentially ZDLE-encoded bytes, for a total of 9.
+    var zdle_decoded = Zmodem.ZDLE.splice(
+        bytes_arr,     //omit the leading "*", ZDLE, and "C"
+        BINARY32_HEADER_PREFIX.length,
+        9
+    );
+
+    if (!zdle_decoded) return;
+
+    Zmodem.CRC.verify32(
+        zdle_decoded.slice(0, 5),
+        zdle_decoded.slice(5)
+    );
+
+    var typenum = zdle_decoded[0];
+    var hdr = _get_blank_header(typenum);
+    hdr._bytes4 = zdle_decoded.slice( 1, 5 );
+
+    return hdr;
+}
+
+function _parse_hex(bytes_arr) {
+
+    //A hex header always has:
+    //  4 bytes for the ** . ZDLE . 'B'
+    //  2 hex bytes for the header type
+    //  8 hex bytes for the header content
+    //  4 hex bytes for the CRC
+    //  1-2 bytes for (CR/)LF
+    //  (...and at this point the trailing XON is already stripped)
+    //
+    //----------------------------------------------------------------------
+    //A carriage return and line feed are sent with HEX headers.  The
+    //receive routine expects to see at least one of these characters, two
+    //if the first is CR.
+    //----------------------------------------------------------------------
+    //
+    //^^ I guess it can be either CR/LF or just LF 鈥� though those two
+    //sentences appear to be saying contradictory things.
+
+    var lf_pos = bytes_arr.indexOf( 0x8a );     //lrzsz sends this
+
+    if (-1 === lf_pos) {
+        lf_pos = bytes_arr.indexOf( 0x0a );
+    }
+
+    var hdr_err, hex_bytes;
+
+    if (-1 === lf_pos) {
+        if (bytes_arr.length > 11) {
+            hdr_err = "Invalid hex header - no LF detected within 12 bytes!";
+        }
+
+        //incomplete header
+        return;
+    }
+    else {
+        hex_bytes = bytes_arr.splice( 0, lf_pos );
+
+        //Trim off the LF
+        bytes_arr.shift();
+
+        if ( hex_bytes.length === 19 ) {
+
+            //NB: The spec says CR but seems to treat high-bit variants
+            //of control characters the same as the regulars; should we
+            //also allow 0x8d?
+            var preceding = hex_bytes.pop();
+            if ( preceding !== 0x0d && preceding !== 0x8d ) {
+                hdr_err = "Invalid hex header: (CR/)LF doesn鈥檛 have CR!";
+            }
+        }
+        else if ( hex_bytes.length !== 18 ) {
+            hdr_err = "Invalid hex header: invalid number of bytes before LF!";
+        }
+    }
+
+    if (hdr_err) {
+        hdr_err += " (" + hex_bytes.length + " bytes: " + hex_bytes.join() + ")";
+        throw hdr_err;
+    }
+
+    hex_bytes.splice(0, 4);
+
+    //Should be 7 bytes ultimately:
+    //  1 for typenum
+    //  4 for header data
+    //  2 for CRC
+    var octets = Zmodem.ENCODELIB.parse_hex_octets(hex_bytes);
+
+    return _parse_non_zdle_binary16(octets);
+}
+
+Zmodem.Header.parse_hex = _parse_hex;
+
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+/*exported CRC32 */
+var CRC32;
+(function (factory) {
+	/*jshint ignore:start */
+	if(typeof DO_NOT_EXPORT_CRC === 'undefined') {
+		if(true) {
+			factory(exports);
+		} else if ('function' === typeof define && define.amd) {
+			define(function () {
+				var module = {};
+				factory(module);
+				return module;
+			});
+		} else {
+			factory(CRC32 = {});
+		}
+	} else {
+		factory(CRC32 = {});
+	}
+	/*jshint ignore:end */
+}(function(CRC32) {
+CRC32.version = '1.1.1';
+/* see perf/crc32table.js */
+/*global Int32Array */
+function signed_crc_table() {
+	var c = 0, table = new Array(256);
+
+	for(var n =0; n != 256; ++n){
+		c = n;
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		c = ((c&1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
+		table[n] = c;
+	}
+
+	return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
+}
+
+var T = signed_crc_table();
+function crc32_bstr(bstr, seed) {
+	var C = seed ^ -1, L = bstr.length - 1;
+	for(var i = 0; i < L;) {
+		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
+		C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
+	}
+	if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
+	return C ^ -1;
+}
+
+function crc32_buf(buf, seed) {
+	if(buf.length > 10000) return crc32_buf_8(buf, seed);
+	var C = seed ^ -1, L = buf.length - 3;
+	for(var i = 0; i < L;) {
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+	}
+	while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+	return C ^ -1;
+}
+
+function crc32_buf_8(buf, seed) {
+	var C = seed ^ -1, L = buf.length - 7;
+	for(var i = 0; i < L;) {
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+		C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+	}
+	while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
+	return C ^ -1;
+}
+
+function crc32_str(str, seed) {
+	var C = seed ^ -1;
+	for(var i = 0, L=str.length, c, d; i < L;) {
+		c = str.charCodeAt(i++);
+		if(c < 0x80) {
+			C = (C>>>8) ^ T[(C ^ c)&0xFF];
+		} else if(c < 0x800) {
+			C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+		} else if(c >= 0xD800 && c < 0xE000) {
+			c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
+			C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
+		} else {
+			C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
+			C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
+		}
+	}
+	return C ^ -1;
+}
+CRC32.table = T;
+CRC32.bstr = crc32_bstr;
+CRC32.buf = crc32_buf;
+CRC32.str = crc32_str;
+}));
+
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(4),
+    __webpack_require__(3),
+    __webpack_require__(0),
+    __webpack_require__(1)
+);
+
+const
+    ZCRCE = 0x68,    // 'h', 104, frame ends, header packet follows
+    ZCRCG = 0x69,    // 'i', 105, frame continues nonstop
+    ZCRCQ = 0x6a,    // 'j', 106, frame continues, ZACK expected
+    ZCRCW = 0x6b     // 'k', 107, frame ends, ZACK expected
+;
+
+var SUBPACKET_BUILDER;
+
+/** Class that represents a ZMODEM data subpacket. */
+Zmodem.Subpacket = class ZmodemSubpacket {
+
+    /**
+     * Build a Subpacket subclass given a payload and frame end string.
+     *
+     * @param {Array} octets - The octet values to parse.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *
+     * @param {string} frameend - One of:
+     * - `no_end_no_ack`
+     * - `end_no_ack`
+     * - `no_end_ack` (unused currently)
+     * - `end_ack`
+     *
+     * @returns {Subpacket} An instance of the appropriate Subpacket subclass.
+     */
+    static build(octets, frameend) {
+
+        //TODO: make this better
+        var Ctr = SUBPACKET_BUILDER[frameend];
+        if (!Ctr) {
+            throw("No subpacket type 鈥�" + frameend + "鈥� is defined! Try one of: " + Object.keys(SUBPACKET_BUILDER).join(", "));
+        }
+
+        return new Ctr(octets);
+    }
+
+    /**
+     * Return the octet values array that represents the object
+     * encoded with a 16-bit CRC.
+     *
+     * @param {ZDLE} zencoder - A ZDLE instance to use for ZDLE encoding.
+     *
+     * @returns {number[]} An array of octet values suitable for sending
+     *      as binary data.
+     */
+    encode16(zencoder) {
+        return this._encode( zencoder, Zmodem.CRC.crc16 );
+    }
+
+    /**
+     * Return the octet values array that represents the object
+     * encoded with a 32-bit CRC.
+     *
+     * @param {ZDLE} zencoder - A ZDLE instance to use for ZDLE encoding.
+     *
+     * @returns {number[]} An array of octet values suitable for sending
+     *      as binary data.
+     */
+    encode32(zencoder) {
+        return this._encode( zencoder, Zmodem.CRC.crc32 );
+    }
+
+    /**
+     * Return the subpacket payload鈥檚 octet values.
+     *
+     * NOTE: For speed, this returns the actual data in the subpacket;
+     * if you mutate this return value, you alter the Subpacket object
+     * internals. This is OK if you won鈥檛 need the Subpacket anymore, but
+     * just be careful.
+     *
+     * @returns {number[]} The subpacket鈥檚 payload, represented as an
+     * array of octet values. **DO NOT ALTER THIS ARRAY** unless you
+     * no longer need the Subpacket.
+     */
+    get_payload() { return this._payload }
+
+    /**
+     * Parse out a Subpacket object from a given array of octet values,
+     * assuming a 16-bit CRC.
+     *
+     * An exception is thrown if the given bytes are definitively invalid
+     * as subpacket values with 16-bit CRC.
+     *
+     * @param {number[]} octets - The octet values to parse.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {Subpacket|undefined} An instance of the appropriate Subpacket
+     *      subclass, or undefined if not enough octet values are given
+     *      to determine whether there is a valid subpacket here or not.
+     */
+    static parse16(octets) {
+        return ZmodemSubpacket._parse(octets, 2);
+    }
+
+    //parse32 test:
+    //[102, 105, 108, 101, 110, 97, 109, 101, 119, 105, 116, 104, 115, 112, 97, 99, 101, 115, 0, 49, 55, 49, 51, 49, 52, 50, 52, 51, 50, 49, 55, 50, 49, 48, 48, 54, 52, 52, 48, 49, 49, 55, 0, 43, 8, 63, 115, 23, 17]
+
+    /**
+     * Same as parse16(), but assuming a 32-bit CRC.
+     *
+     * @param {number[]} octets - The octet values to parse.
+     *      Each array member should be an 8-bit unsigned integer (0-255).
+     *      This object is mutated in the function.
+     *
+     * @returns {Subpacket|undefined} An instance of the appropriate Subpacket
+     *      subclass, or undefined if not enough octet values are given
+     *      to determine whether there is a valid subpacket here or not.
+     */
+    static parse32(octets) {
+        return ZmodemSubpacket._parse(octets, 4);
+    }
+
+    /**
+     * Not used directly.
+     */
+    constructor(payload) {
+        this._payload = payload;
+    }
+
+    _encode(zencoder, crc_func) {
+        return zencoder.encode( this._payload.slice(0) ).concat(
+            [ Zmodem.ZMLIB.ZDLE, this._frameend_num ],
+            zencoder.encode( crc_func( this._payload.concat(this._frameend_num) ) )
+        );
+    }
+
+    //Because of ZDLE encoding, we鈥檒l never see any of the frame-end octets
+    //in a stream except as the ends of data payloads.
+    static _parse(bytes_arr, crc_len) {
+
+        var end_at;
+        var creator;
+
+        //These have to be written in decimal since they鈥檙e lookup keys.
+        var _frame_ends_lookup = {
+            104: ZEndNoAckSubpacket,
+            105: ZNoEndNoAckSubpacket,
+            106: ZNoEndAckSubpacket,
+            107: ZEndAckSubpacket,
+        };
+
+        var zdle_at = 0;
+        while (zdle_at < bytes_arr.length) {
+            zdle_at = bytes_arr.indexOf( Zmodem.ZMLIB.ZDLE, zdle_at );
+            if (zdle_at === -1) return;
+
+            var after_zdle = bytes_arr[ zdle_at + 1 ];
+            creator = _frame_ends_lookup[ after_zdle ];
+            if (creator) {
+                end_at = zdle_at + 1;
+                break;
+            }
+
+            zdle_at++;
+        }
+
+        if (!creator) return;
+
+        var frameend_num = bytes_arr[end_at];
+
+        //sanity check
+        if (bytes_arr[end_at - 1] !== Zmodem.ZMLIB.ZDLE) {
+            throw( "Byte before frame end should be ZDLE, not " + bytes_arr[end_at - 1] );
+        }
+
+        var zdle_encoded_payload = bytes_arr.splice( 0, end_at - 1 );
+
+        var got_crc = Zmodem.ZDLE.splice( bytes_arr, 2, crc_len );
+        if (!got_crc) {
+            //got payload but no CRC yet .. should be rare!
+
+            //We have to put the ZDLE-encoded payload back before returning.
+            bytes_arr.unshift.apply(bytes_arr, zdle_encoded_payload);
+
+            return;
+        }
+
+        var payload = Zmodem.ZDLE.decode(zdle_encoded_payload);
+
+        //We really shouldn鈥檛 need to do this, but just for good measure.
+        //I suppose it鈥檚 conceivable this may run over UDP or something?
+        Zmodem.CRC[ (crc_len === 2) ? "verify16" : "verify32" ](
+            payload.concat( [frameend_num] ),
+            got_crc
+        );
+
+        return new creator(payload, got_crc);
+    }
+}
+
+class ZEndSubpacketBase extends Zmodem.Subpacket {
+    frame_end() { return true }
+}
+class ZNoEndSubpacketBase extends Zmodem.Subpacket {
+    frame_end() { return false }
+}
+
+//Used for end-of-file.
+class ZEndNoAckSubpacket extends ZEndSubpacketBase {
+    ack_expected() { return false }
+}
+ZEndNoAckSubpacket.prototype._frameend_num = ZCRCE;
+
+//Used for ZFILE and ZSINIT payloads.
+class ZEndAckSubpacket extends ZEndSubpacketBase {
+    ack_expected() { return true }
+}
+ZEndAckSubpacket.prototype._frameend_num = ZCRCW;
+
+//Used for ZDATA, prior to end-of-file.
+class ZNoEndNoAckSubpacket extends ZNoEndSubpacketBase {
+    ack_expected() { return false }
+}
+ZNoEndNoAckSubpacket.prototype._frameend_num = ZCRCG;
+
+//only used if receiver can full-duplex
+class ZNoEndAckSubpacket extends ZNoEndSubpacketBase {
+    ack_expected() { return true }
+}
+ZNoEndAckSubpacket.prototype._frameend_num = ZCRCQ;
+
+SUBPACKET_BUILDER = {
+    end_no_ack: ZEndNoAckSubpacket,
+    end_ack: ZEndAckSubpacket,
+    no_end_no_ack: ZNoEndNoAckSubpacket,
+    no_end_ack: ZNoEndAckSubpacket,
+};
+
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Zmodem = module.exports;
+
+Object.assign(
+    Zmodem,
+    __webpack_require__(1)
+);
+
+const LOOKS_LIKE_ZMODEM_HEADER = /\*\x18[AC]|\*\*\x18B/;
+
+function _validate_number(key, value) {
+    if (value < 0) {
+        throw new Zmodem.Error("validation", "鈥�" + key + "鈥� (" + value + ") must be nonnegative.");
+    }
+
+    if (value !== Math.floor(value)) {
+        throw new Zmodem.Error("validation", "鈥�" + key + "鈥� (" + value + ") must be an integer.");
+    }
+}
+
+/** Validation logic for zmodem.js
+ *
+ * @exports Validation
+ */
+Zmodem.Validation = {
+
+    /**
+     * Validates and normalizes a set of parameters for an offer to send.
+     * NOTE: This returns 鈥渕time鈥� as epoch seconds, not a Date. This is
+     * inconsistent with the get_details() method in Session, but it鈥檚
+     * more useful for sending over the wire.
+     *
+     * @param {FileDetails} params - The file details. Some fairly trivial
+     * variances from the specification are allowed.
+     *
+     * @return {FileDetails} The parameters that should be sent. `mtime`
+     * will be a Date rather than a number.
+     */
+    offer_parameters: function offer_parameters(params) {
+        if (!params.name) {
+            throw new Zmodem.Error("validation", "Need 鈥渘ame鈥�!");
+        }
+
+        if (typeof params.name !== "string") {
+            throw new Zmodem.Error("validation", "鈥渘ame鈥� (" + params.name + ") must be a string!");
+        }
+
+        //So that we can override values as is useful
+        //without affecting the passed-in object.
+        params = Object.assign({}, params);
+
+        if (LOOKS_LIKE_ZMODEM_HEADER.test(params.name)) {
+            console.warn("The filename " + JSON.stringify(name) + " contains characters that look like a ZMODEM header. This could corrupt the ZMODEM session; consider renaming it so that the filename doesn鈥檛 contain control characters.");
+        }
+
+        if (params.serial !== null && params.serial !== undefined) {
+            throw new Zmodem.Error("validation", "鈥渟erial鈥� is meaningless.");
+        }
+
+        params.serial = null;
+
+        ["size", "mode", "files_remaining", "bytes_remaining"].forEach(
+            function(k) {
+                var ok;
+                switch (typeof params[k]) {
+                    case "object":
+                        ok = (params[k] === null);
+                        break;
+                    case "undefined":
+                        params[k] = null;
+                        ok = true;
+                        break;
+                    case "number":
+                        _validate_number(k, params[k]);
+
+                        ok = true;
+                        break;
+                }
+
+                if (!ok) {
+                    throw new Zmodem.Error("validation", "鈥�" + k + "鈥� (" + params[k] + ") must be null, undefined, or a number.");
+                }
+            }
+        );
+
+        if (typeof params.mode === "number") {
+            params.mode |= 0x8000;
+        }
+
+        if (params.files_remaining === 0) {
+            throw new Zmodem.Error("validation", "鈥渇iles_remaining鈥�, if given, must be positive.");
+        }
+
+        var mtime_ok;
+        switch (typeof params.mtime) {
+            case "object":
+                mtime_ok = true;
+
+                if (params.mtime instanceof Date) {
+
+                    var date_obj = params.mtime;
+                    params.mtime = Math.floor( date_obj.getTime() / 1000 );
+                    if (params.mtime < 0) {
+                        throw new Zmodem.Error("validation", "鈥渕time鈥� (" + date_obj + ") must not be earlier than 1970.");
+                    }
+                }
+                else if (params.mtime !== null) {
+                    mtime_ok = false;
+                }
+
+                break;
+
+            case "undefined":
+                params.mtime = null;
+                mtime_ok = true;
+                break;
+            case "number":
+                _validate_number("mtime", params.mtime);
+                mtime_ok = true;
+                break;
+        }
+
+        if (!mtime_ok) {
+            throw new Zmodem.Error("validation", "鈥渕time鈥� (" + params.mtime + ") must be null, undefined, a Date, or a number.");
+        }
+
+        return params;
+    },
+};
+
+
+/***/ })
+/******/ ]);
\ No newline at end of file
diff --git a/static/zmodem/zmodem.min.js b/static/zmodem/zmodem.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..26761eb6f48230ffb67ecb686ef719ed26988917
--- /dev/null
+++ b/static/zmodem/zmodem.min.js
@@ -0,0 +1 @@
+(function(e){function _(t){if(n[t])return n[t].exports;var r=n[t]={i:t,l:!1,exports:{}};return e[t].call(r.exports,r,r.exports,_),r.l=!0,r.exports}var n={};return _.m=e,_.c=n,_.d=function(e,n,t){_.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:t})},_.n=function(e){var n=e&&e.__esModule?function(){return e['default']}:function(){return e};return _.d(n,'a',n),n},_.o=function(e,_){return Object.prototype.hasOwnProperty.call(e,_)},_.p='',_(_.s=5)})([function(e){'use strict';var _=e.exports;const n=17,t=19,r=24;_.ZMLIB={ZDLE:24,XON:n,XOFF:t,ABORT_SEQUENCE:[r,r,r,r,r],strip_ignored_bytes:function(e){for(var _=e.length-1;0<=_;_--)switch(e[_]){case n:case 128|n:case t:case 128|t:e.splice(_,1);continue;}return e},find_subarray:function(e,_){var t,n=0,r=Date.now();HAYSTACK:for(;-1!=n;){if(n=e.indexOf(_[0],n),-1===n)break HAYSTACK;for(t=1;t<_.length;t++)if(e[n+t]!==_[t]){n++;continue HAYSTACK}return n}return-1}}},function(e){'use strict';function _(e){const _=t[e];switch(typeof _){case'string':return _;case'function':var n=[].slice.call(arguments).slice(1);return _.apply(this,n);}return null}var n=e.exports;const t={aborted:'Session aborted',peer_aborted:'Peer aborted session',already_aborted:'Session already aborted',crc:function(e,_){return this.got=e.slice(0),this.expected=_.slice(0),'CRC check failed! (got: '+e.join()+'; expected: '+_.join()+')'},validation:function(e){return e}};n.Error=class extends Error{constructor(e){super();var n=_.apply(this,arguments);n?(this.type=e,this.message=n):this.message=e}}},function(e){'use strict';var _=e.exports;const n=[48,49,50,51,52,53,54,55,56,57,97,98,99,100,101,102],t={};for(var r=0;r<n.length;r++)t[n[r]]=r;_.ENCODELIB={pack_u16_be:function(e){if(65535<e)throw'Number cannot exceed 16 bits: '+e;return[e>>8,255&e]},pack_u32_le:function(e){var _=e/65536;return[255&e,(65535&e)>>8,255&_,_>>8]},unpack_u16_be:function(e){return(e[0]<<8)+e[1]},unpack_u32_le:function(e){return e[0]+(e[1]<<8)+(e[2]<<16)+16777216*e[3]},octets_to_hex:function(e){for(var _=[],t=0;t<e.length;t++)_.push(n[e[t]>>4],n[15&e[t]]);return _},parse_hex_octets:function(e){for(var _=Array(e.length/2),n=0;n<_.length;n++)_[n]=(t[e[2*n]]<<4)+t[e[1+2*n]];return _}}},function(e,_,n){'use strict';var t=e.exports;Object.assign(t,n(0));var r,a;const s=t.ZMLIB.ZDLE;t.ZDLE=class e{constructor(e){this._config={},e&&this.set_escape_ctrl_chars(!!e.escape_ctrl_chars)}set_escape_ctrl_chars(e){if('boolean'!=typeof e)throw'need boolean!';e!==this._config.escape_ctrl_chars&&(this._config.escape_ctrl_chars=e,this._setup_zdle_table())}escapes_ctrl_chars(){return!!this._config.escape_ctrl_chars}encode(e){if(!this._zdle_table)throw'No ZDLE encode table configured!';var _=this._zdle_table,n=this._lastcode,t=new ArrayBuffer(2*e.length),d=new Uint8Array(t),o=this._config.escape_ctrl_chars,i=0;for(r=0;r<e.length;r++){if(a=_[e[r]],!a)throw console.trace(),console.error('bad encode() call:',JSON.stringify(e)),this._lastcode=n,'Invalid octet: '+e[r];n=e[r],1===a||(o||2===a||64==(127&n))&&(d[i]=s,i++,n^=64),d[i]=n,i++}return this._lastcode=n,e.splice(0),e.push.apply(e,new Uint8Array(t,0,i)),e}static decode(e){for(var _=e.length-1;0<=_;_--)e[_]===s&&e.splice(_,2,e[_+1]-64);return e}static splice(_,n,t){var r=0;n||(n=0);for(var a=n;a<_.length&&r<t;a++)r++,_[a]===s&&a++;return r===t?_.length===a-1?void 0:(_.splice(0,n),e.decode(_.splice(0,a-n))):void 0}_setup_zdle_table(){for(var e=Array(256),_=0;_<e.length;_++)e[_]=96&_?1:_===s||_===t.ZMLIB.XOFF||_===t.ZMLIB.XON||_===(128|t.ZMLIB.XOFF)||_===(128|t.ZMLIB.XON)?2:16===_||144===_?this._config.turbo_escape?1:2:13===_||141===_?this._config.escape_ctrl_chars?2:this._config.turbo_escape?1:3:this._config.escape_ctrl_chars?2:1;this._zdle_table=e}}},function(e,_,n){'use strict';function t(){o=Array(256);for(var e,_=0;256>_;_++){e=_<<i-8&c;for(var n=0;8>n;n++)0==(e&p)?e<<=1:(e<<=1,e^=l);o[_]=e&c}}function r(e,_){return o||t(),o[255&_>>8]^(255&_)<<8^e}function a(e,_){if(e.join()!==_.join())throw new d.Error('crc',_,e)}const s=n(12);var d=e.exports;Object.assign(d,n(1),n(2));var o;const i=16,l=4129,c=65535,p=1<<i-1;d.CRC={crc16:function(e){for(var _=e[0],n=1;n<e.length;n++)_=r(e[n],_);return _=r(0,r(0,_)),d.ENCODELIB.pack_u16_be(_)},crc32:function(e){return d.ENCODELIB.pack_u32_le(s.buf(e)>>>0)},verify16:function(e,_){return a(this.crc16(e),_)},verify32:function(e,_){try{a(this.crc32(e),_)}catch(_){throw _.input=e.slice(0),_}}}},function(e,_,n){e.exports=n(6)},function(e,_,n){'use strict';function t(e){if(e.aborted())throw new r.Error('aborted')}var r=e.exports;window.Zmodem=r,Object.assign(r,n(7)),r.Browser={send_files:function(_,e,n){function r(){var a=s[i];return a?(i++,_.send_offer(a).then(function(s){return n.on_offer_response&&n.on_offer_response(a.obj,s),void 0===s?r():new Promise(function(e){function d(){var e=new FileReader;e.onerror=function(_){throw console.error('file read error',_),'File read error: '+_};var o;e.onprogress=function(r){r.target.result&&(o=new Uint8Array(r.target.result,s.get_offset()),t(_),s.send(o),n.on_progress&&n.on_progress(a.obj,s,o))},e.onload=function(d){o=new Uint8Array(d.target.result,s,o),t(_),s.end(o).then(function(){n.on_progress&&o.length&&n.on_progress(a.obj,s,o),n.on_file_complete&&n.on_file_complete(a.obj,s),postMessage(r())})}}var o=d.toString();o=o.substring(o.indexOf('{')+1,o.lastIndexOf('}'));var i=new Blob([o],{type:'application/javascript'}),d=new Worker(URL.createObjectURL(i));d.onmessage=function(_){e(_)},d.postMessage(a)})})):Promise.resolve()}n||(n={});for(var a,s=[],d=0,o=e.length-1;0<=o;o--)a=e[o],d+=a.size,s[o]={obj:a,name:a.name,size:a.size,mtime:new Date(a.lastModified),files_remaining:e.length-o,bytes_remaining:d};var i=0;return r()},save_to_disk:function(e,_){var n=new Blob(e),t=URL.createObjectURL(n),r=document.createElement('a');r.style.display='none',r.href=t,r.download=_,document.body.appendChild(r),r.click(),document.body.removeChild(r)}}},function(e,_,n){Object.assign(e.exports,n(8))},function(e,_,n){'use strict';var t=e.exports;Object.assign(t,n(0),n(9));const r=[42,42,24,66,48],a=['to_terminal','on_detect','on_retract','sender'];class s{constructor(e,_,n,t){this._confirmer=_,this._denier=n,this._is_valid=t,this._session_type=e}confirm(){return this._confirmer.apply(this,arguments)}deny(){return this._denier.apply(this,arguments)}is_valid(){return this._is_valid.apply(this,arguments)}get_session_role(){return this._session_type}}t.Sentry=class{constructor(e){if(!e)throw'Need options!';var _=this;a.forEach(function(n){if(!e[n])throw'Need \u201C'+n+'\u201D!';_['_'+n]=e[n]}),this._cache=[]}_after_session_end(){this._zsession=null}consume(e){if(e instanceof Array||(e=Array.prototype.slice.call(new Uint8Array(e))),this._zsession){var _=this._zsession;if(_.consume(e),_.has_ended())e='receive'===_.type?_.get_trailing_bytes():[];else return}var n=this._parse(e),t=e;if(n){let e=!!this._parsed_session;e&&(this._parsed_session.type===n.type&&(t=[]),this._on_retract()),this._parsed_session=n;var r=this;this._on_detect(new s(n.type,function(){if(!this.is_valid())throw'Stale ZMODEM session!';return n.on('garbage',r._to_terminal),n.on('session_end',r._after_session_end.bind(r)),n.set_sender(r._sender),delete r._parsed_session,r._zsession=n},this._send_abort.bind(this),function(){return r._parsed_session===n}))}else{var a=this._parsed_session;this._parsed_session=null,a&&(1===t.length&&67===t[0]&&this._send_abort(),this._on_retract())}this._to_terminal(t)}get_confirmed_session(){return this._zsession||null}_send_abort(){this._sender(t.ZMLIB.ABORT_SEQUENCE)}_parse(e){var _=this._cache;for(_.push.apply(_,e);;){let e=t.ZMLIB.find_subarray(_,r);if(-1===e)break;let n,a=_.splice(0,e);try{n=t.Session.parse(_)}catch(e){}if(!n)break;return 1===_.length&&_[0]===t.ZMLIB.XON&&_.shift(),_.length?null:n}return _.splice(21),null}}},function(e,_,n){'use strict';function t(e){return 0===r.ZMLIB.find_subarray(e,o)?e.splice(0,o.length):e[0]===o[o.length-1]&&e.splice(0,1),e}var r=e.exports;Object.assign(r,n(2),n(10),n(3),n(0),n(11),n(13),n(14),n(1));const a=['CANFDX','CANOVIO','CANFC32'],s='spool_uint8array',d=8,o=[79,79],i=r.ZMLIB.ABORT_SEQUENCE;class l{constructor(){this._on_evt={},this._evt_once_index={}}_Add_event(e){this._on_evt[e]=[],this._evt_once_index[e]=[]}_get_evt_queue(e){if(!this._on_evt[e])throw'Bad event: '+e;return this._on_evt[e]}on(e,_){var n=this._get_evt_queue(e);return n.push(_),this}off(e,_){var n=this._get_evt_queue(e);if(_){var t=n.indexOf(_);if(-1===t)throw'\u201C'+_+'\u201D is not in the \u201C'+e+'\u201D queue.';n.splice(t,1)}else n.pop();return this}_Happen(e){var _=this._get_evt_queue(e),n=Array.apply(null,arguments);n.shift();var t=this;return _.forEach(function(e){e.apply(t,n)}),_.length}}r.Session=class extends l{static parse(e){var _;try{_=r.Header.parse_hex(e)}catch(_){return}if(_)switch(_.NAME){case'ZRQINIT':return new r.Session.Receive;case'ZRINIT':return new r.Session.Send(_);}}set_sender(e){return this._sender=e,this}has_ended(){return this._has_ended()}consume(e){if(this._before_consume(e),this._aborted)throw new r.Error('already_aborted');return e.length?(this._strip_and_enqueue_input(e),void(this._check_for_abort_sequence(e)||this._consume_first())):void 0}aborted(){return!!this._aborted}constructor(){super(),this._config={},this._input_buffer=[],this._Add_event('receive'),this._Add_event('garbage'),this._Add_event('session_end')}get_role(){return this.type}_trim_leading_garbage_until_header(){var e=r.Header.trim_leading_garbage(this._input_buffer);e.length&&0===this._Happen('garbage',e)&&console.debug('Garbage: ',String.fromCharCode.apply(String,e),e)}_parse_and_consume_header(){this._trim_leading_garbage_until_header();var e=r.Header.parse(this._input_buffer);if(e)return this._consume_header(e[0]),this._last_header_name=e[0].NAME,this._last_header_crc=e[1],e[0]}_consume_header(e){this._on_receive(e);var _=this._next_header_handler[e.NAME];if(!_)throw console.error('Unhandled header!',e,this._next_header_handler),new r.Error('Unhandled header: '+e.NAME);this._next_header_handler=null,_.call(this,e)}_check_for_abort_sequence(){var e=r.ZMLIB.find_subarray(this._input_buffer,i);if(-1!==e)throw this._input_buffer.splice(0,e+i.length),this._aborted=!0,this._on_session_end(),new r.Error('peer_aborted')}_send_header(){if(!this._sender)throw'Need sender!';var e=Array.apply(null,arguments),_=this._create_header_bytes(e);this._sender(_[0]),this._last_sent_header=_[1]}_create_header_bytes(e){var _=r.Header.build.apply(r.Header,e),n=this._get_header_formatter(e[0]);return[_[n](this._zencoder),_]}_strip_and_enqueue_input(e){r.ZMLIB.strip_ignored_bytes(e),this._input_buffer.push.apply(this._input_buffer,e)}abort(){return this._sender(i.concat([d,d,d,d,d])),this._aborted=!0,this._sender=function(){throw new r.Error('already_aborted')},void this._on_session_end()}_on_session_end(){this._Happen('session_end')}_on_receive(e){this._Happen('receive',e)}_before_consume(){}},r.Session.Receive=class extends r.Session{constructor(){super(),this._Add_event('offer'),this._Add_event('data_in'),this._Add_event('file_end')}_before_consume(e){if(this._bytes_after_OO)throw'PROTOCOL: Session is completed!';this._bytes_being_consumed=e}get_trailing_bytes(){if(this._aborted)return[];if(!this._bytes_after_OO)throw'PROTOCOL: Session is not completed!';return this._bytes_after_OO.slice(0)}_has_ended(){return this.aborted()||!!this._bytes_after_OO}_get_header_formatter(){return'to_hex'}_parse_and_consume_subpacket(){var e=16===this._last_header_crc?'parse16':'parse32';var _=r.Subpacket[e](this._input_buffer);return _&&(this._consume_data(_),_.frame_end()&&(this._next_subpacket_handler=null)),_}_consume_first(){if(this._got_ZFIN){if(2>this._input_buffer.length)return;if(0===r.ZMLIB.find_subarray(this._input_buffer,o))return this._bytes_after_OO=t(this._bytes_being_consumed.slice(0)),void this._on_session_end();throw'PROTOCOL: Only thing after ZFIN should be \u201COO\u201D (79,79), not: '+array_buf.join()}var e;do e=this._next_subpacket_handler?this._parse_and_consume_subpacket():this._parse_and_consume_header();while(e&&this._input_buffer.length)}_consume_data(e){if(this._on_receive(e),!this._next_subpacket_handler)throw'PROTOCOL: Received unexpected data packet after '+this._last_header_name+' header: '+e.get_payload().join();this._next_subpacket_handler.call(this,e)}_octets_to_string(e){return this._textdecoder||(this._textdecoder=new r.Text.Decoder),this._textdecoder.decode(new Uint8Array(e))}_consume_ZFILE_data(e,_){if(this._file_info)throw'PROTOCOL: second ZFILE data subpacket received';var n=_.get_payload(),t=n.indexOf(0),r=this._octets_to_string(n.slice(0,t)),a=this._octets_to_string(n.slice(1+t)).split(' '),s=a[1]&&parseInt(a[1],8)||void 0;s&&(s=new Date(1e3*s)),this._file_info={name:r,size:a[0]?parseInt(a[0],10):null,mtime:s||null,mode:a[2]&&parseInt(a[2],8)||null,serial:a[3]&&parseInt(a[3],10)||null,files_remaining:a[4]?parseInt(a[4],10):null,bytes_remaining:a[5]?parseInt(a[5],10):null};var d=new f(e.get_options(),this._file_info,this._accept.bind(this),this._skip.bind(this));this._current_transfer=d}_consume_ZDATA_data(e){if(!this._accepted_offer)throw'PROTOCOL: Received data without accepting!';return this._offset_ok?void(this._file_offset+=e.get_payload().length,this._on_data_in(e),e.ack_expected()&&!e.frame_end()&&this._send_header('ZACK',r.ENCODELIB.pack_u32_le(this._file_offset))):(console.warn('offset not ok!'),void _send_ZRPOS())}_make_promise_for_between_files(){var e=this;return new Promise(function(_){var n={ZFILE:function(e){this._next_subpacket_handler=function(n){this._next_subpacket_handler=null,this._consume_ZFILE_data(e,n),this._Happen('offer',this._current_transfer),_(this._current_transfer)}},ZSINIT:function(){e._next_subpacket_handler=function(_){e._next_subpacket_handler=null,e._consume_ZSINIT_data(_),e._send_header('ZACK'),e._next_header_handler=n}},ZFIN:function(){this._consume_ZFIN(),_()}};e._next_header_handler=n})}_consume_ZSINIT_data(e){this._attn=e.get_payload()}start(){if(this._started)throw'Already started!';this._started=!0;var e=this._make_promise_for_between_files();return this._send_ZRINIT(),e}_accept(e){this._accepted_offer=!0,this._file_offset=e||0;var _=this,n=new Promise(function(e){_._next_header_handler={ZDATA:function(_){this._consume_ZDATA(_),this._next_subpacket_handler=this._consume_ZDATA_data,this._next_header_handler={ZEOF:function(_){this._next_subpacket_handler=null,this._consume_ZEOF(_);var n=this._make_promise_for_between_files();e(n)}}}}});return this._send_ZRPOS(),n}_skip(){var e=this._make_promise_for_between_files();if(this._accepted_offer){var _=function(){this._accepted_offer=!1,this._next_subpacket_handler=null,this._make_promise_for_between_files()}.bind(this);Object.assign(this._next_header_handler,{ZEOF:_,ZDATA:function(){_(),this._next_header_handler.ZEOF=_}.bind(this)})}return this._file_info=null,this._send_header('ZSKIP'),e}_send_ZRINIT(){this._send_header('ZRINIT',a)}_consume_ZFIN(){this._got_ZFIN=!0,this._send_header('ZFIN')}_consume_ZEOF(e){if(this._file_offset!==e.get_offset())throw'ZEOF offset mismatch; unimplemented (local: '+this._file_offset+'; ZEOF: '+e.get_offset()+')';this._send_ZRINIT(),this._on_file_end(),this._file_info=null,this._current_transfer=null}_consume_ZDATA(e){if(this._file_offset===e.get_offset())this._offset_ok=!0;else throw'Error correction is unimplemented.'}_send_ZRPOS(){this._send_header('ZRPOS',this._file_offset)}_on_file_end(){this._Happen('file_end'),this._current_transfer&&(this._current_transfer._Happen('complete'),this._current_transfer=null)}_on_data_in(e){this._Happen('data_in',e),this._current_transfer&&this._current_transfer._Happen('input',e.get_payload())}},Object.assign(r.Session.Receive.prototype,{type:'receive'});var c={get_details:function(){return Object.assign({},this._file_info)},get_options:function(){return Object.assign({},this._zfile_opts)},get_offset:function(){return this._file_offset}};class p{constructor(e,_,n,t){this._file_info=e,this._file_offset=_||0,this._send=n,this._end=t}send(e){this._send(e),this._file_offset+=e.length}end(e){var _=this._end(e||[]);return e&&(this._file_offset+=e.length),_}}Object.assign(p.prototype,c);class f extends l{constructor(e,_,n,t){super(),this._zfile_opts=e,this._file_info=_,this._accept_func=n,this._skip_func=t,this._Add_event('input'),this._Add_event('complete'),this.on('input',this._input_handler)}_verify_not_skipped(){if(this._skipped)throw new r.Error('Already skipped!')}skip(){return this._verify_not_skipped(),this._skipped=!0,this._skip_func.apply(this,arguments)}accept(e){if(this._verify_not_skipped(),this._accepted)throw new r.Error('Already accepted!');switch(this._accepted=!0,e||(e={}),this._file_offset=e.offset||0,e.on_input){case null:case void 0:case'spool_array':case s:this._spool=[];break;default:if('function'!=typeof e.on_input)throw'Invalid \u201Con_input\u201D: '+e.on_input;}return this._input_handler_mode=e.on_input||s,this._accept_func(this._file_offset).then(this._get_spool.bind(this))}_input_handler(e){if(this._file_offset+=e.length,'function'==typeof this._input_handler_mode)this._input_handler_mode(e);else{if(this._input_handler_mode===s)e=new Uint8Array(e);else if('spool_array'!==this._input_handler_mode)throw new r.Error('WTF?? _input_handler_mode = '+this._input_handler_mode);this._spool.push(e)}}_get_spool(){return this._spool}}Object.assign(f.prototype,c);const u={ZFILE:!0,ZDATA:!0};r.Session.Send=class extends r.Session{constructor(e){if(super(),!e)throw'Need first header!';else if('ZRINIT'!==e.NAME)throw'First header should be ZRINIT, not '+e.NAME;this._last_header_name='ZRINIT',this._subpacket_encode_func='encode16',this._zencoder=new r.ZDLE,this._consume_ZRINIT(e),this._file_offset=0;this._start_keepalive_on_set_sender=!0}set_sender(e){return super.set_sender(e),this._start_keepalive_on_set_sender&&(this._start_keepalive_on_set_sender=!1,this._start_keepalive()),this}_get_header_formatter(e){return u[e]?'to_binary16':'to_hex'}_start_keepalive(){if(!this._keepalive_promise){var e=this;this._keepalive_promise=new Promise(function(_){e._keepalive_timeout=setTimeout(_,5e3)}).then(function(){e._next_header_handler={ZACK:function(){e._got_ZSINIT_ZACK=!0}},e._send_ZSINIT(),e._keepalive_promise=null,e._start_keepalive()})}}_stop_keepalive(){this._keepalive_promise&&(clearTimeout(this._keepalive_timeout),this._keep_alive_promise=null)}_send_ZSINIT(){var e=[];this._zencoder.escapes_ctrl_chars()&&e.push('ESCCTL'),this._send_header_and_data(['ZSINIT',e],[0],'end_ack')}_consume_ZRINIT(e){if(this._last_ZRINIT=e,e.get_buffer_size())throw'Buffer size ('+e.get_buffer_size()+') is unsupported!';if(!e.can_full_duplex())throw'Half-duplex I/O is unsupported!';if(!e.can_overlap_io())throw'Non-overlap I/O is unsupported!';if(e.escape_8th_bit())throw'8-bit escaping is unsupported!';this._zencoder.set_escape_ctrl_chars(!0),!e.escape_ctrl_chars()&&console.debug('Peer didn\u2019t request escape of all control characters. Will send ZSINIT to force recognition of escaped control characters.')}_ensure_receiver_escapes_ctrl_chars(){var e,_=!this._last_ZRINIT.escape_ctrl_chars()&&!this._got_ZSINIT_ZACK;if(_){var n=this;e=new Promise(function(e){n._next_header_handler={ZACK:()=>{e()}},n._send_ZSINIT()})}else e=Promise.resolve();return e}_convert_params_to_offer_payload_array(e){e=r.Validation.offer_parameters(e);var _=e.name+'\0',n=[(e.size||0).toString(10),e.mtime?e.mtime.toString(8):'0',e.mode?(32768|e.mode).toString(8):'0','0'];return e.files_remaining&&(n.push(e.files_remaining),e.bytes_remaining&&n.push(e.bytes_remaining)),_+=n.join(' '),this._string_to_octets(_)}send_offer(e){if(!e)throw'need file params!';if(this._sending_file)throw'Already sending file!';var _=this._convert_params_to_offer_payload_array(e);this._stop_keepalive();var n=this,t=function(){var t=new Promise(function(_){n._next_header_handler={ZSKIP:function(){n._start_keepalive(),_()},ZRPOS:function(t){n._sending_file=!0,_(new p(e,t.get_offset(),n._send_interim_file_piece.bind(n),n._end_file.bind(n)))}}});return n._send_header_and_data(['ZFILE'],_,'end_ack'),delete n._sent_ZDATA,t};return this._ensure_receiver_escapes_ctrl_chars().then(t)}_send_header_and_data(e,_,n){var t=this._create_header_bytes(e),r=this._build_subpacket_bytes(_,n);t[0].push.apply(t[0],r),this._sender(t[0]),this._last_sent_header=t[1]}_build_subpacket_bytes(e,_){var n=r.Subpacket.build(e,_);return n[this._subpacket_encode_func](this._zencoder)}_build_and_send_subpacket(e,_){this._sender(this._build_subpacket_bytes(e,_))}_string_to_octets(e){this._textencoder||(this._textencoder=new r.Text.Encoder);var _=this._textencoder.encode(e);return Array.prototype.slice.call(_)}_send_interim_file_piece(e){return this._send_file_part(e,'no_end_no_ack'),Promise.resolve()}_ensure_we_are_sending(){if(!this._sending_file)throw'Not sending a file currently!'}_end_file(e){this._ensure_we_are_sending(),this._send_file_part(e,'end_no_ack');var _=this,n=new Promise(function(e){_._sending_file=!1,_._prepare_to_receive_ZRINIT(e)});return this._send_header('ZEOF',this._file_offset),this._file_offset=0,n}_prepare_to_receive_ZRINIT(e){this._next_header_handler={ZRINIT:function(_){this._consume_ZRINIT(_),e&&e()}}}close(){var e='ZRINIT'===this._last_header_name;if(e||(e='ZSKIP'===this._last_header_name),e||(e='ZSINIT'===this._last_sent_header.name&&'ZACK'===this._last_header_name),!e)throw'Can\u2019t close; last received header was \u201C'+this._last_header_name+'\u201D';var _=this,n=new Promise(function(e){_._next_header_handler={ZFIN:function(){_._sender(o),_._sent_OO=!0,_._on_session_end(),e()}}});return this._send_header('ZFIN'),n}_has_ended(){return this.aborted()||!!this._sent_OO}_send_file_part(e,_){this._sent_ZDATA||(this._send_header('ZDATA',this._file_offset),this._sent_ZDATA=!0);for(var n=0,t=e.length;;){var r=Math.min(n+8192,t)-n,a=r+n>=t,s=e.slice(n,n+r);if(s instanceof Array||(s=Array.prototype.slice.call(s)),this._build_and_send_subpacket(s,a?_:'no_end_no_ack'),this._file_offset+=r,n+=r,n>=t)break}}_consume_first(){if(!this._parse_and_consume_header()&&'67'===this._input_buffer.join())throw'Receiver has fallen back to YMODEM.'}_on_session_end(){this._stop_keepalive(),super._on_session_end()}},Object.assign(r.Session.Send.prototype,{type:'send'})},function(e){var _=e.exports;_.Text={Encoder:'undefined'==typeof TextEncoder?class{encode(e){e=unescape(encodeURIComponent(e));for(var _=Array(e.length),n=0;n<e.length;n++)_[n]=e.charCodeAt(n);return new Uint8Array(_)}}:TextEncoder,Decoder:'undefined'==typeof TextDecoder?class{decode(e){return decodeURIComponent(escape(String.fromCharCode.apply(String,e)))}}:TextDecoder}},function(e,_,n){'use strict';function t(e){if(!I[e])throw new c.Error('Invalid ZRINIT flag: '+e);return I[e]}function r(e){if(!k[e])throw'Invalid ZSINIT flag: '+e;return k[e]}function a(e){var _=j[e];if('string'==typeof _)throw'Received unsupported header: '+_;return s(_)}function s(e){return e.prototype instanceof S?new e(0):new e([])}function d(e){var _=c.ZDLE.splice(e,g.length,7);return _&&o(_)}function o(e){c.CRC.verify16(e.slice(0,5),e.slice(5));var _=e[0],n=a(_);return n._bytes4=e.slice(1,5),n}function i(e){var _=c.ZDLE.splice(e,y.length,9);if(_){c.CRC.verify32(_.slice(0,5),_.slice(5));var n=_[0],t=a(n);return t._bytes4=_.slice(1,5),t}}function l(e){var _=e.indexOf(138);-1===_&&(_=e.indexOf(10));var n,t;if(-1===_)return void(11<e.length&&(n='Invalid hex header - no LF detected within 12 bytes!'));if(t=e.splice(0,_),e.shift(),19===t.length){var r=t.pop();13!==r&&141!==r&&(n='Invalid hex header: (CR/)LF doesn\u2019t have CR!')}else 18!==t.length&&(n='Invalid hex header: invalid number of bytes before LF!');if(n)throw n+=' ('+t.length+' bytes: '+t.join()+')',n;t.splice(0,4);var a=c.ENCODELIB.parse_hex_octets(t);return o(a)}var c=e.exports;Object.assign(c,n(2),n(3),n(0),n(4),n(1));const p=42,f=65,u=67,h=[13,10],b=h.slice(0).concat([c.ZMLIB.XON]),m=[p,p,c.ZMLIB.ZDLE,66],g=[p,c.ZMLIB.ZDLE,f],y=[p,c.ZMLIB.ZDLE,u];c.Header=class{static trim_leading_garbage(e){var _,n,t=[];TRIM_LOOP:for(;e.length&&!n;){var r=e.indexOf(p);if(-1===r){_=!0;break TRIM_LOOP}else{if(t.push.apply(t,e.splice(0,r)),2>e.length)break TRIM_LOOP;else if(e[1]===p){if(!(e.length<m.length))e[2]===m[2]&&e[3]===m[3]&&(n=l);else if(e.join()===m.slice(0,e.length).join())break TRIM_LOOP;}else if(e[1]===c.ZMLIB.ZDLE){if(e.length<g.length)break TRIM_LOOP;e[2]===g[2]?n=d:e[2]===y[2]&&(n=i)}n||t.push(e.shift())}}return _&&t.push.apply(t,e.splice(0)),t}static parse(e){var _;if(e[1]===p)return _=l(e),_&&[_,16];if(e[2]===f)return _=d(e,3),_&&[_,16];if(e[2]===u)return _=i(e),_&&[_,32];if(!(3>e.length))throw'Unrecognized/unsupported octets: '+e.join()}static build(e){var _=1===arguments.length?[arguments[0]]:Array.apply(null,arguments),n=H[e];if(!n)throw'No frame class \u201C'+e+'\u201D is defined!';_.shift();var t=new(n.bind.apply(n,[null].concat(_)));return t}to_hex(){var e=this._crc_bytes();return m.concat(c.ENCODELIB.octets_to_hex(e.concat(c.CRC.crc16(e))),this._hex_header_ending)}to_binary16(e){return this._to_binary(e,g,c.CRC.crc16)}to_binary32(e){return this._to_binary(e,y,c.CRC.crc32)}constructor(){this._bytes4||(this._bytes4=[0,0,0,0])}_to_binary(e,_,n){var t=this._crc_bytes(),r=_.concat(e.encode(t.concat(n(t))));return r}_crc_bytes(){return[this.TYPENUM].concat(this._bytes4)}},c.Header.prototype._hex_header_ending=b;class Z extends c.Header{}const I={CANFDX:1,CANOVIO:2,CANBRK:4,CANCRY:8,CANLZW:16,CANFC32:32,ESCCTL:64,ESC8:128};class E extends c.Header{constructor(e,_){super();var n=0;_||(_=0),e.forEach(function(e){n|=t(e)}),this._bytes4=[255&_,_>>8,0,n]}get_buffer_size(){return c.ENCODELIB.unpack_u16_be(this._bytes4.slice(0,2))||void 0}can_full_duplex(){return!!(this._bytes4[3]&I.CANFDX)}can_overlap_io(){return!!(this._bytes4[3]&I.CANOVIO)}can_break(){return!!(this._bytes4[3]&I.CANBRK)}can_fcs_32(){return!!(this._bytes4[3]&I.CANFC32)}escape_ctrl_chars(){return!!(this._bytes4[3]&I.ESCCTL)}escape_8th_bit(){return!!(this._bytes4[3]&I.ESC8)}}const k={ESCCTL:64,ESC8:128};class v extends c.Header{constructor(e,_){super();var n=0;if(e.forEach(function(e){n|=r(e)}),this._bytes4=[0,0,0,n],_){if(31<_.length)throw'Attn sequence must be <= 31 bytes';if(_.some(function(e){return 255<e}))throw'Attn sequence ('+_+') must be <256';this._data=_.concat([0])}}escape_ctrl_chars(){return!!(this._bytes4[3]&k.ESCCTL)}escape_8th_bit(){return!!(this._bytes4[3]&k.ESC8)}}class C extends c.Header{constructor(e){super(),e&&(this._bytes4=e.slice())}}C.prototype._hex_header_ending=h;const x={extended:{sparse:64},transport:[void 0,'compress','encrypt','rle'],management:[void 0,'newer_or_longer','crc','append','clobber','newer','mtime_or_length','protect','rename'],conversion:[void 0,'binary','text','resume']},O=['extended','transport','management','conversion'];class N extends c.Header{get_options(){var e={sparse:!!(this._bytes4[0]&64)},_=this._bytes4.slice(0);return O.forEach(function(n,t){if(x[n]instanceof Array)'management'===n&&(e.skip_if_absent=!!(_[t]&128),_[t]&=31),e[n]=x[n][_[t]];else for(var r in x[n])e[r]=!!(_[t]&x[n][r]),e[r]&&(_[t]^=x[n][r]);!e[n]&&_[t]&&(e[n]='unknown:'+_[t])}),e}}class A extends c.Header{}class L extends c.Header{}class T extends c.Header{}class R extends c.Header{}T.prototype._hex_header_ending=h;class S extends c.Header{constructor(e){super(),this._bytes4=c.ENCODELIB.pack_u32_le(e)}get_offset(){return c.ENCODELIB.unpack_u32_le(this._bytes4)}}class D extends S{}class M extends S{}class F extends S{}const B=[[Z,'ZRQINIT'],[E,'ZRINIT'],[v,'ZSINIT'],[C,'ZACK'],[N,'ZFILE'],[A,'ZSKIP'],void 0,[L,'ZABORT'],[T,'ZFIN'],[D,'ZRPOS'],[M,'ZDATA'],[F,'ZEOF'],[R,'ZFERR'],void 0,void 0,void 0,void 0,void 0,void 0,void 0];for(var H={},z=0;z<B.length;z++)B[z]&&(H[B[z][1]]=B[z][0],Object.assign(B[z][0].prototype,{TYPENUM:z,NAME:B[z][1]}));const j=[Z,E,v,C,N,A,'ZNAK',L,T,D,M,F,R,'ZCRC','ZCHALLENGE','ZCOMPL','ZCAN','ZFREECNT','ZCOMMAND','ZSTDERR'];c.Header.parse_hex=l},function(e,_){var n;(function(e){'undefined'==typeof DO_NOT_EXPORT_CRC?e(_):e(n={})})(function(e){function _(e,_){for(var t=-1^_,r=e.length-7,a=0;a<r;)t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])],t=t>>>8^n[255&(t^e[a++])];for(;a<r+7;)t=t>>>8^n[255&(t^e[a++])];return-1^t}e.version='1.1.1';var n=function(){for(var e=0,_=Array(256),t=0;256!=t;++t)e=t,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,e=1&e?-306674912^e>>>1:e>>>1,_[t]=e;return'undefined'==typeof Int32Array?_:new Int32Array(_)}();e.table=n,e.bstr=function(e,_){for(var t=-1^_,r=e.length-1,a=0;a<r;)t=t>>>8^n[255&(t^e.charCodeAt(a++))],t=t>>>8^n[255&(t^e.charCodeAt(a++))];return a==r&&(t=t>>>8^n[255&(t^e.charCodeAt(a))]),-1^t},e.buf=function(e,t){if(1e4<e.length)return _(e,t);for(var r=-1^t,a=e.length-3,s=0;s<a;)r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])],r=r>>>8^n[255&(r^e[s++])];for(;s<a+3;)r=r>>>8^n[255&(r^e[s++])];return-1^r},e.str=function(e,_){for(var t,r,a=-1^_,s=0,d=e.length;s<d;)t=e.charCodeAt(s++),128>t?a=a>>>8^n[255&(a^t)]:2048>t?(a=a>>>8^n[255&(a^(192|31&t>>6))],a=a>>>8^n[255&(a^(128|63&t))]):55296<=t&&57344>t?(t=(1023&t)+64,r=1023&e.charCodeAt(s++),a=a>>>8^n[255&(a^(240|7&t>>8))],a=a>>>8^n[255&(a^(128|63&t>>2))],a=a>>>8^n[255&(a^(128|15&r>>6|(3&t)<<4))],a=a>>>8^n[255&(a^(128|63&r))]):(a=a>>>8^n[255&(a^(224|15&t>>12))],a=a>>>8^n[255&(a^(128|63&t>>6))],a=a>>>8^n[255&(a^(128|63&t))]);return-1^a}})},function(e,_,n){'use strict';var t=e.exports;Object.assign(t,n(4),n(3),n(0),n(1));var r;t.Subpacket=class e{static build(e,_){var n=r[_];if(!n)throw'No subpacket type \u201C'+_+'\u201D is defined! Try one of: '+Object.keys(r).join(', ');return new n(e)}encode16(e){return this._encode(e,t.CRC.crc16)}encode32(e){return this._encode(e,t.CRC.crc32)}get_payload(){return this._payload}static parse16(_){return e._parse(_,2)}static parse32(_){return e._parse(_,4)}constructor(e){this._payload=e}_encode(e,_){return e.encode(this._payload.slice(0)).concat([t.ZMLIB.ZDLE,this._frameend_num],e.encode(_(this._payload.concat(this._frameend_num))))}static _parse(e,_){for(var n,r,a={104:d,105:i,106:l,107:o},s=0;s<e.length;){if(s=e.indexOf(t.ZMLIB.ZDLE,s),-1===s)return;var c=e[s+1];if(r=a[c],r){n=s+1;break}s++}if(r){var p=e[n];if(e[n-1]!==t.ZMLIB.ZDLE)throw'Byte before frame end should be ZDLE, not '+e[n-1];var f=e.splice(0,n-1),u=t.ZDLE.splice(e,2,_);if(!u)return void e.unshift.apply(e,f);var h=t.ZDLE.decode(f);return t.CRC[2===_?'verify16':'verify32'](h.concat([p]),u),new r(h,u)}}};class a extends t.Subpacket{frame_end(){return!0}}class s extends t.Subpacket{frame_end(){return!1}}class d extends a{ack_expected(){return!1}}d.prototype._frameend_num=104;class o extends a{ack_expected(){return!0}}o.prototype._frameend_num=107;class i extends s{ack_expected(){return!1}}i.prototype._frameend_num=105;class l extends s{ack_expected(){return!0}}l.prototype._frameend_num=106,r={end_no_ack:d,end_ack:o,no_end_no_ack:i,no_end_ack:l}},function(e,_,n){'use strict';function t(e,_){if(0>_)throw new a.Error('validation','\u201C'+e+'\u201D ('+_+') must be nonnegative.');if(_!==r(_))throw new a.Error('validation','\u201C'+e+'\u201D ('+_+') must be an integer.')}var r=Math.floor,a=e.exports;Object.assign(a,n(1));const s=/\*\x18[AC]|\*\*\x18B/;a.Validation={offer_parameters:function(e){if(!e.name)throw new a.Error('validation','Need \u201Cname\u201D!');if('string'!=typeof e.name)throw new a.Error('validation','\u201Cname\u201D ('+e.name+') must be a string!');if(e=Object.assign({},e),s.test(e.name)&&console.warn('The filename '+JSON.stringify(name)+' contains characters that look like a ZMODEM header. This could corrupt the ZMODEM session; consider renaming it so that the filename doesn\u2019t contain control characters.'),null!==e.serial&&void 0!==e.serial)throw new a.Error('validation','\u201Cserial\u201D is meaningless.');if(e.serial=null,['size','mode','files_remaining','bytes_remaining'].forEach(function(_){var n;switch(typeof e[_]){case'object':n=null===e[_];break;case'undefined':e[_]=null,n=!0;break;case'number':t(_,e[_]),n=!0;}if(!n)throw new a.Error('validation','\u201C'+_+'\u201D ('+e[_]+') must be null, undefined, or a number.')}),'number'==typeof e.mode&&(e.mode|=32768),0===e.files_remaining)throw new a.Error('validation','\u201Cfiles_remaining\u201D, if given, must be positive.');var _;switch(typeof e.mtime){case'object':if(_=!0,e.mtime instanceof Date){var n=e.mtime;if(e.mtime=r(n.getTime()/1e3),0>e.mtime)throw new a.Error('validation','\u201Cmtime\u201D ('+n+') must not be earlier than 1970.')}else null!==e.mtime&&(_=!1);break;case'undefined':e.mtime=null,_=!0;break;case'number':t('mtime',e.mtime),_=!0;}if(!_)throw new a.Error('validation','\u201Cmtime\u201D ('+e.mtime+') must be null, undefined, a Date, or a number.');return e}}}]);
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000000000000000000000000000000000000..4b0a2e9956df1758d6f29fff2bf907f910ea6820
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,120 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>webssh</title>
+    <link rel="icon" href="/static/favicon.ico"/>
+    <link rel="stylesheet" href="/static/bootstrap/3.3.7/bootstrap.min.css"/>
+    <!-- xterm v4 鐗堟湰鍚庡幓鎺変簡 zmodem 鎻掍欢锛屽彧鑳界洿鎺ヤ娇鐢� zmodem.js 瀹炵幇锛屼絾鏄笉鐭ラ亾浠�涔堝師鍥狅紝鐧婚檰 webssh 鍚庯紝绗竴娆¤緭鍑哄懡浠�
+    鍥炶溅鍚庝細鍗￠】涓�涓嬫墠鍑烘暟鎹紝v3.14.5 灏变笉浼氬崱椤匡紝v3.14.5杩樺彲浠ヤ篃鍙互鐩存帴浣跨敤 zmodem.js锛屾墍浠ヨ繖閲屼娇鐢� v3.14.5锛岀粓绔姛鑳芥柟闈�
+    v3 鍜� v4 鎴戞病鍙戠幇鏈変粈涔堝澶х殑宸埆
+    -->
+    <!--link rel="stylesheet" href="/static/xterm/4.4.0/xterm.css"/-->
+    <link rel="stylesheet" href="/static/xterm/3.14.5/xterm.min.css"/>
+    <style>
+        .input-width {
+            width: 20%;
+            display: inline-block;
+        }
+
+        .hide {
+            display: none;
+        }
+    </style>
+	
+	<script>
+		function checkwindow() {
+			event.returnValue=false;
+		}
+	</script>
+	
+</head>
+<!--body onbeforeunload="checkwindow()"-->
+<body>
+
+<div style="margin-top: 10px" id="form">
+    <form class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group">
+            <label class="col-sm-2 control-label">涓绘満鍦板潃</label>
+            <div class="col-sm-10">
+                <input type="text" class="input-width form-control" id="host" placeholder="host" value="192.168.3.50">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label">绔彛</label>
+            <div class="col-sm-10">
+                <input type="text" class="input-width form-control" id="port" value="22">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label">鐢ㄦ埛鍚�</label>
+            <div class="col-sm-10">
+                <input type="text" class="input-width form-control" id="user" placeholder="user" value="wen_fei">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label">璁よ瘉绫诲瀷</label>
+            <div class="col-sm-10">
+                <label class="radio-inline">
+                    <input type="radio" name="auth" id="inlineRadio1" value="pwd" checked> 瀵嗙爜璁よ瘉
+                </label>
+                <label class="radio-inline">
+                    <input type="radio" name="auth" id="inlineRadio2" value="key"> 绉橀挜璁よ瘉
+                </label>
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label">瀵嗙爜</label>
+            <div class="col-sm-10">
+                <input type="password" class="input-width form-control" id="password" placeholder="password" value="1">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label">绉橀挜鏂囦欢</label>
+            <div class="col-sm-10">
+                <input type="file" id="pkey">
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label class="col-sm-2 control-label"></label>
+            <div class="col-sm-10">
+                <span id="helpBlock" class="help-block">
+                   娉ㄦ剰:
+                    <p style="color: red">1銆佸綋璁よ瘉绫诲瀷涓哄瘑鐮佽璇佹椂, 绉橀挜杈撳叆妗嗙殑鍐呭灏嗚蹇界暐</p>
+                    <p style="color: red">2銆佸綋璁よ瘉绫诲瀷涓虹閽ヨ璇佹椂, 濡傛灉瀵嗙爜杈撳叆妗嗕笉涓虹┖, 鍒欏瘑鐮佽緭鍏ユ鐨勫唴瀹瑰皢浣滀负绉橀挜鐨勮В瀵嗗瘑鐮�</p>
+                </span>
+            </div>
+        </div>
+
+
+        <div class="form-group">
+            <div class="col-sm-offset-2 col-sm-10">
+                <button type="button" class="btn btn-default" onclick="websocket()">鐧�&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;褰�
+                </button>
+            </div>
+        </div>
+    </form>
+</div>
+
+<div id="django-webssh-terminal" class="hide">
+    <div id="terminal"></div>
+</div>
+
+
+<script src="/static/jquery/3.4.1/jquery.min.js"></script>
+<script src="/static/bootstrap/3.3.7/bootstrap.min.js"></script>
+<script src="/static/bootbox/5.4.0/bootbox.min.js"></script>
+<!--script src="/static/xterm/4.4.0/xterm.min.js"></script-->
+<script src="/static/xterm/3.14.5/xterm.min.js"></script>
+<script src="/static/zmodem/zmodem.devel.js"></script>
+<script src="/static/webssh.js"></script>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/webssh/static/favicon.ico b/webssh/static/favicon.ico
new file mode 100644
index 0000000000000000000000000000000000000000..b6e0448538fe995c5fb40a2a287daa2422c28839
Binary files /dev/null and b/webssh/static/favicon.ico differ
diff --git a/webssh/static/webssh.js b/webssh/static/webssh.js
new file mode 100644
index 0000000000000000000000000000000000000000..8769c22d0219a471057389ec7c2058a793ab19ff
--- /dev/null
+++ b/webssh/static/webssh.js
@@ -0,0 +1,280 @@
+function get_connect_info() {
+    var host = $.trim($('#host').val());
+    var port = $.trim($('#port').val());
+    var user = $.trim($('#user').val());
+    var auth = $("input[name='auth']:checked").val();
+    var pwd = $.trim($('#password').val());
+    var password = window.btoa(pwd);
+    var ssh_key = null;
+
+    if (auth === 'key') {
+        var pkey = $('#pkey')[0].files[0];
+        var csrf = $("[name='csrfmiddlewaretoken']").val();
+        var formData = new FormData();
+
+        formData.append('pkey', pkey);
+        formData.append('csrfmiddlewaretoken', csrf);
+
+        $.ajax({
+            url: '/upload_ssh_key/',
+            type: 'post',
+            data: formData,
+            async: false,
+            processData: false,
+            contentType: false,
+            mimeType: 'multipart/form-data',
+            success: function (data) {
+                ssh_key = data;
+            }
+        });
+    }
+
+    var connect_info1 = 'host=' + host + '&port=' + port + '&user=' + user + '&auth=' + auth;
+    var connect_info2 = '&password=' + password + '&ssh_key=' + ssh_key;
+    var connect_info = connect_info1 + connect_info2;
+    return connect_info
+}
+
+
+function get_term_size() {
+    var init_width = 9;
+    var init_height = 17;
+
+    var windows_width = $(window).width();
+    var windows_height = $(window).height();
+
+    return {
+        cols: Math.floor(windows_width / init_width),
+        rows: Math.floor(windows_height / init_height),
+    }
+}
+
+function websocket() {
+    var cols = get_term_size().cols;
+    var rows = get_term_size().rows;
+    var connect_info = get_connect_info();
+
+    var term = new Terminal(
+        {
+            cols: cols,
+            rows: rows,
+            useStyle: true,
+            cursorBlink: true
+        }
+        ),
+        protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://',
+        socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') +
+            '/ws/?' + connect_info + '&width=' + cols + '&height=' + rows;
+
+    var sock;
+    sock = new WebSocket(socketURL);
+    sock.binaryType = "arraybuffer";    // 蹇呴』璁剧疆锛寊modem 鎵嶅彲浠ヤ娇鐢�
+
+    function uploadFile(zsession) {
+        let uploadHtml = "<div>" +
+            "<label class='upload-area' style='width:100%;text-align:center;' for='fupload'>" +
+            "<input id='fupload' name='fupload' type='file' style='display:none;' multiple='true'>" +
+            "<i class='fa fa-cloud-upload fa-3x'></i>" +
+            "<br />" +
+            "鐐瑰嚮閫夋嫨鏂囦欢" +
+            "</label>" +
+            "<br />" +
+            "<span style='margin-left:5px !important;' id='fileList'></span>" +
+            "</div><div class='clearfix'></div>";
+
+        let upload_dialog = bootbox.dialog({
+            message: uploadHtml,
+            title: "涓婁紶鏂囦欢",
+            buttons: {
+				cancel: {
+					label: '鍏抽棴',
+					className: 'btn-default',
+					callback: function (res) {
+						try {
+							// zsession 姣� 5s 鍙戦�佷竴涓� ZACK 鍖咃紝5s 鍚庝細鍑虹幇鎻愮ず鏈�鍚庝竴涓寘鏄� 鈥漐ACK鈥� 鏃犳硶姝ｅ父鍏抽棴
+							// 杩欓噷鐩存帴璁剧疆 _last_header_name 涓� ZRINIT锛屽氨鍙互寮哄埗鍏抽棴浜�
+							zsession._last_header_name = "ZRINIT";
+							zsession.close();
+						} catch (e) {
+							console.log(e);
+						}
+					}
+				},
+            },
+			closeButton: false,
+        });
+
+        function hideModal() {
+			upload_dialog.modal('hide');
+		}
+
+		let file_el = document.getElementById("fupload");
+
+		return new Promise((res) => {
+			file_el.onchange = function (e) {
+				let files_obj = file_el.files;
+				hideModal();
+				Zmodem.Browser.send_files(zsession, files_obj, {
+						on_offer_response(obj, xfer) {
+							if (xfer) {
+								// term.write("\r\n");
+							} else {
+								// term.write("\r\n" + obj.name + " was upload skipped");
+								term.write(obj.name + " was upload skipped\r\n");
+								//socket.send(JSON.stringify({ type: "ignore", data: utoa("\r\n" + obj.name + " was upload skipped\r\n") }));
+							}
+						},
+						on_progress(obj, xfer) {
+							updateProgress(xfer);
+						},
+						on_file_complete(obj) {
+							//socket.send(JSON.stringify({ type: "ignore", data: utoa("\r\n" + obj.name + " was upload success\r\n") }));
+							// console.log("COMPLETE", obj);
+                            term.write("\r\n");
+						},
+					}
+				).then(zsession.close.bind(zsession), console.error.bind(console)
+				).then(() => {
+					res();
+					// term.write("\r\n");
+				});
+			};
+		});
+    }
+
+	function saveFile(xfer, buffer) {
+		return Zmodem.Browser.save_to_disk(buffer, xfer.get_details().name);
+	}
+
+	function updateProgress(xfer) {
+		let detail = xfer.get_details();
+		let name = detail.name;
+		let total = detail.size;
+		let percent;
+		if (total === 0) {
+			percent = 100
+		} else {
+			percent = Math.round(xfer._file_offset / total * 100);
+		}
+
+		term.write("\r" + name + ": " + total + " " + xfer._file_offset + " " + percent + "%    ");
+	}
+
+	function downloadFile(zsession) {
+		zsession.on("offer", function(xfer) {
+			function on_form_submit() {
+				let FILE_BUFFER = [];
+				xfer.on("input", (payload) => {
+					updateProgress(xfer);
+					FILE_BUFFER.push( new Uint8Array(payload) );
+				});
+
+				xfer.accept().then(
+					() => {
+						saveFile(xfer, FILE_BUFFER);
+						term.write("\r\n");
+						//socket.send(JSON.stringify({ type: "ignore", data: utoa("\r\n" + xfer.get_details().name + " was download success\r\n") }));
+					},
+					console.error.bind(console)
+				);
+			}
+
+			on_form_submit();
+
+		});
+
+		let promise = new Promise( (res) => {
+			zsession.on("session_end", () => {
+				res();
+			});
+		});
+
+		zsession.start();
+		return promise;
+	}
+
+     var zsentry = new Zmodem.Sentry( {
+        to_terminal: function(octets) {},  //i.e. send to the terminal
+
+        on_detect: function(detection) {
+            let zsession = detection.confirm();
+            let promise;
+            if (zsession.type === "receive") {
+                promise = downloadFile(zsession);
+            } else {
+                promise = uploadFile(zsession);
+            }
+            promise.catch( console.error.bind(console) ).then( () => {
+                //
+            });
+        },
+
+        on_retract: function() {},
+
+        sender: function(octets) { sock.send(new Uint8Array(octets)) },
+     });
+
+    // 鎵撳紑 websocket 杩炴帴, 鎵撳紑 web 缁堢
+    sock.addEventListener('open', function () {
+        $('#form').addClass('hide');
+        $('#django-webssh-terminal').removeClass('hide');
+        term.open(document.getElementById('terminal'));
+		term.focus();
+		$("body").attr("onbeforeunload",'checkwindow()'); //澧炲姞鍒锋柊鍏抽棴鎻愮ず灞炴��
+		
+    });
+
+    // 璇诲彇鏈嶅姟鍣ㄧ鍙戦�佺殑鏁版嵁骞跺啓鍏� web 缁堢
+    sock.addEventListener('message', function (recv) {
+        if (typeof(recv.data) === 'string') {
+            var data = JSON.parse(recv.data);
+            var message = data.message;
+            var status = data.status;
+            if (status === 0) {
+                term.write(message)
+            } else {
+                //window.location.reload() 绔彛杩炴帴鍚庡埛鏂伴〉闈�
+                //term.clear()
+                term.write(message);
+                $("body").removeAttr("onbeforeunload"); //鍒犻櫎鍒锋柊鍏抽棴鎻愮ず灞炴��
+
+                //$(document).keyup(function(event){	// 鐩戝惉鍥炶溅鎸夐敭浜嬩欢
+                //	if(event.keyCode == 13){
+                        //window.location.reload();
+                //	}
+                //});
+                //term.dispose()
+                //$('#django-webssh-terminal').addClass('hide');
+                //$('#form').removeClass('hide');
+            }
+        } else {
+		    zsentry.consume(recv.data);
+        }
+    });
+
+    /*
+    * status 涓� 0 鏃�, 灏嗙敤鎴疯緭鍏ョ殑鏁版嵁閫氳繃 websocket 浼犻�掔粰鍚庡彴, data 涓轰紶閫掔殑鏁版嵁, 蹇界暐 cols 鍜� rows 鍙傛暟
+    * status 涓� 1 鏃�, resize pty ssh 缁堢澶у皬, cols 涓烘瘡琛屾樉绀虹殑鏈�澶у瓧鏁�, rows 涓烘瘡鍒楁樉绀虹殑鏈�澶у瓧鏁�, 蹇界暐 data 鍙傛暟
+    */
+    var message = {'status': 0, 'data': null, 'cols': null, 'rows': null};
+
+    // 鍚戞湇鍔″櫒绔彂閫佹暟鎹�
+    term.onData(function (data) {
+        message['status'] = 0;
+        message['data'] = data;
+        var send_data = JSON.stringify(message);
+        sock.send(send_data)
+    });
+
+    // 鐩戝惉娴忚鍣ㄧ獥鍙�, 鏍规嵁娴忚鍣ㄧ獥鍙ｅぇ灏忎慨鏀圭粓绔ぇ灏�
+    $(window).resize(function () {
+        var cols = get_term_size().cols;
+        var rows = get_term_size().rows;
+        message['status'] = 1;
+        message['cols'] = cols;
+        message['rows'] = rows;
+        var send_data = JSON.stringify(message);
+        sock.send(send_data);
+        term.resize(cols, rows)
+    })
+}
diff --git a/webssh/tools/security.py b/webssh/tools/security.py
new file mode 100644
index 0000000000000000000000000000000000000000..3ea24d8267750cb2cc4d6bd5ad8ebcd51db0a687
--- /dev/null
+++ b/webssh/tools/security.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import time
+import random
+import hashlib
+
+def get_key_obj(pkeyobj, pkey_file=None, pkey_obj=None, password=None):
+    if pkey_file:
+        with open(pkey_file) as file:
+            try:
+                pkey = pkeyobj.from_private_key(file, password=password)
+                return pkey
+            except ValueError as e:
+                print("get pkey failed")
+                raise e
+    else:
+        try:
+            pkey = pkeyobj.from_private_key(pkey_obj, password=password)
+            return pkey
+        except:
+            pkey_obj.seek(0)
+
+def unique():
+    ctime = str(time.time())
+    salt = str(random.random())
+    m = hashlib.md5(bytes(salt, encoding='utf-8'))
+    m.update(bytes(ctime, encoding='utf-8'))
+    return m.hexdigest()
\ No newline at end of file
diff --git a/webssh/tools/ssh.py b/webssh/tools/ssh.py
new file mode 100644
index 0000000000000000000000000000000000000000..44f99f61b5e2d093e475ed4e61d072f0e3b3dc10
--- /dev/null
+++ b/webssh/tools/ssh.py
@@ -0,0 +1,142 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import paramiko
+import threading
+from threading import Thread
+from webssh.tools.security import get_key_obj
+import traceback
+import socket
+import json
+
+zmodemszstart = b'rz\r**\x18B00000000000000\r\x8a'
+zmodemszend = b'**\x18B0800000000022d\r\x8a'
+zmodemrzstart = b'rz waiting to receive.**\x18B0100000023be50\r\x8a'
+zmodemrzend = b'**\x18B0800000000022d\r\x8a'
+zmodemcancel = b'\x18\x18\x18\x18\x18\x08\x08\x08\x08\x08'
+
+class SSH:
+    def __init__(self, websocker, message):
+        self.websocker = websocker
+        self.message = message
+        self.cmd = ''
+        self.res = ''
+        self.zmodem = False
+        self.zmodemOO = False
+    
+    # term 鍙互浣跨敤 ansi, linux, vt100, xterm, dumb锛岄櫎浜� dumb澶栧叾浠栭兘鏈夐鑹叉樉绀�
+    def connect(self, host, user, password=None, ssh_key=None, port=22, timeout=30,
+                term='ansi', pty_width=80, pty_height=24):
+        try:
+            ssh_client = paramiko.SSHClient()
+            ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+
+            if ssh_key:
+                key = get_key_obj(paramiko.RSAKey, pkey_obj=ssh_key, password=password) or \
+                      get_key_obj(paramiko.DSSKey, pkey_obj=ssh_key, password=password) or \
+                      get_key_obj(paramiko.ECDSAKey, pkey_obj=ssh_key, password=password) or \
+                      get_key_obj(paramiko.Ed25519Key, pkey_obj=ssh_key, password=password)
+
+                ssh_client.connect(username=user, hostname=host, port=port, pkey=key, timeout=timeout)
+            else:
+                ssh_client.connect(username=user, password=password, hostname=host, port=port, timeout=timeout)
+
+            transport = ssh_client.get_transport()
+            self.channel = transport.open_session()
+            self.channel.get_pty(term=term, width=pty_width, height=pty_height)
+            self.channel.invoke_shell()
+
+            for i in range(2):
+                recv = self.channel.recv(1024).decode('utf-8')
+                self.message['status'] = 0
+                self.message['message'] = recv
+                message = json.dumps(self.message)
+                self.websocker.send(message)
+                self.res += recv
+            
+            # 鍒涘缓3涓嚎绋嬪皢鏈嶅姟鍣ㄨ繑鍥炵殑鏁版嵁鍙戦�佸埌django websocket锛�1涓嚎绋嬮兘鍙互锛�
+            Thread(target=self.websocket_to_django).start()
+            # Thread(target=self.websocket_to_django).start()
+            # Thread(target=self.websocket_to_django).start()
+        except:
+            self.message['status'] = 2
+            self.message['message'] = 'connection faild...'
+            message = json.dumps(self.message)
+            self.websocker.send(message)
+            self.websocker.close(3001)
+
+    def resize_pty(self, cols, rows):
+        self.channel.resize_pty(width=cols, height=rows)
+
+    def django_to_ssh(self, data):
+        try:
+            self.channel.send(data)
+            if data == '\r':
+                data = '\n'
+            self.cmd += data
+        except Exception:
+            self.close()
+
+    def django_bytes_to_ssh(self, data):
+        try:
+            self.channel.send(data)
+        except Exception:
+            self.close()
+
+    def websocket_to_django(self):
+        try:
+            while True:
+                if self.zmodemOO:
+                    self.zmodemOO = False
+                    data = self.channel.recv(2)
+                    if not len(data):
+                        return
+                    if data == b'OO':
+                        self.websocker.send(bytes_data=data)
+                        continue
+                    else:
+                        data = data + self.channel.recv(4096)
+                else:
+                    data = self.channel.recv(4096)
+                    if not len(data):
+                        return
+
+                if self.zmodem:
+                    if zmodemszend in data or zmodemrzend in data:
+                        self.zmodem = False
+                        if zmodemszend in data:
+                            self.zmodemOO = True
+                    if zmodemcancel in data:
+                        self.zmodem = False
+                    self.websocker.send(bytes_data=data)
+                else:
+                    if zmodemszstart in data or zmodemrzstart in data:
+                        self.zmodem = True
+                        self.websocker.send(bytes_data=data)
+                    else:
+                        data = data.decode('utf-8')
+                        self.message['status'] = 0
+                        self.message['message'] = data
+                        self.res += data
+                        message = json.dumps(self.message)
+                        self.websocker.send(message)
+        except:
+            self.close()
+
+    def close(self):
+        self.message['status'] = 1
+        self.message['message'] = 'connection closed...'
+        message = json.dumps(self.message)
+        self.websocker.send(message)
+        self.websocker.close()
+        self.channel.close()
+
+    def shell(self, data):
+        # 鍘熶綔鑰呬娇鐢ㄥ垱寤虹嚎绋嬬殑鏂瑰紡鍙戦�佹暟鎹埌ssh锛屾瘡娆″彂閫侀兘鏄竴涓瓧绗︼紝鍙互涓嶇敤绾跨▼
+        # 鐩存帴璋冪敤鍑芥暟鎬ц兘鏇村ソ
+        # Thread(target=self.django_to_ssh, args=(data,)).start()
+        self.django_to_ssh(data)
+        
+        # 鍘熶綔鑰呭皢鍙戦�佹暟鎹埌django websocket鐨勭嚎绋嬪垱寤哄嚱鏁板鏋滃啓鍒拌繖锛屼細瀵艰嚧姣忓湪瀹㈡埛绔緭鍏ヤ竴涓瓧绗﹀氨鍒涘缓涓�涓嚎绋�
+        # 鏈�缁堝彲鑳藉鑷寸嚎绋嬪垱寤哄お澶氾紝鏁呭皢鍏跺啓鍒� connect 鍑芥暟涓�
+        # Thread(target=self.websocket_to_django).start()
diff --git a/webssh/urls.py b/webssh/urls.py
index ebcd50747e89b8f0eb95fd76da8edf24fe39d83a..3924edccdbfd726071b46f01bfa989f228ec301d 100755
--- a/webssh/urls.py
+++ b/webssh/urls.py
@@ -21,5 +21,5 @@ from webssh import views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('index/', views.index),
+    path('upload_ssh_key/', views.upload_ssh_key),
 ]
diff --git a/webssh/views.py b/webssh/views.py
index fbd54c64b5d7b23af686185480f83ef0d21b8700..f06a975af0e164c1b86bf331ac294ea2b2eb3724 100644
--- a/webssh/views.py
+++ b/webssh/views.py
@@ -1,4 +1,6 @@
 import os
+from config.settings import SSHKEY_PATH
+from webssh.tools.security import unique
 from django.shortcuts import render, redirect, HttpResponse
 
 # Create your views here.
@@ -6,4 +8,22 @@ BASE_DIR = os.path.abspath(os.path.dirname(__file__))
 BOARDS_JSON_FILE = os.path.join(BASE_DIR, 'static', 'jenkins_board.json')
 
 def index(request, *args, **kwargs):
-    return HttpResponse("Hello, world!")
+    return render(request, 'index.html')
+
+
+def upload_ssh_key(request):
+    if request.method == 'POST':
+        pkey = request.FILES.get('pkey')
+        ssh_key = pkey.read().decode('utf-8')
+
+        while True:
+            filename = unique()
+            ssh_key_path = os.path.join(SSHKEY_PATH, filename)
+            if not os.path.isfile(ssh_key_path):
+                with open(ssh_key_path, 'w') as f:
+                    f.write(ssh_key)
+                break
+            else:
+                continue
+
+        return HttpResponse(filename)
\ No newline at end of file
diff --git a/webssh/websocket.py b/webssh/websocket.py
new file mode 100644
index 0000000000000000000000000000000000000000..819acbb1e597c7ebab8b5b91be0dc64995f69b4b
--- /dev/null
+++ b/webssh/websocket.py
@@ -0,0 +1,115 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os
+import json
+import base64
+import re
+from channels.generic.websocket import WebsocketConsumer
+from webssh.tools.ssh import SSH
+from django.http.request import QueryDict
+from six import StringIO
+from config.settings import SSHKEY_PATH
+
+from channels.exceptions import StopConsumer
+
+
+class WebSSH(WebsocketConsumer):
+    message = {'status': 0, 'message': None}
+    """
+    status:
+        0: ssh 杩炴帴姝ｅ父, websocket 姝ｅ父
+        1: 鍙戠敓鏈煡閿欒, 鍏抽棴 ssh 鍜� websocket 杩炴帴
+
+    message:
+        status 涓� 1 鏃�, message 涓哄叿浣撶殑閿欒淇℃伅
+        status 涓� 0 鏃�, message 涓� ssh 杩斿洖鐨勬暟鎹�, 鍓嶇椤甸潰灏嗚幏鍙� ssh 杩斿洖鐨勬暟鎹苟鍐欏叆缁堢椤甸潰
+    """
+
+    def connect(self):
+        """
+        鎵撳紑 websocket 杩炴帴, 閫氳繃鍓嶇浼犲叆鐨勫弬鏁板皾璇曡繛鎺� ssh 涓绘満
+        :return:
+        """
+        self.accept()
+        query_string = self.scope.get('query_string')
+        ssh_args = QueryDict(query_string=query_string, encoding='utf-8')
+
+        width = ssh_args.get('width')
+        height = ssh_args.get('height')
+        port = ssh_args.get('port')
+
+        width = int(width)
+        height = int(height)
+        port = int(port)
+
+        auth = ssh_args.get('auth')
+        ssh_key_name = ssh_args.get('ssh_key')
+        passwd = ssh_args.get('password')
+
+        host = ssh_args.get('host')
+        user = ssh_args.get('user')
+
+        if passwd:
+            passwd = base64.b64decode(passwd).decode('utf-8')
+        else:
+            passwd = None
+
+        self.ssh = SSH(websocker=self, message=self.message)
+
+        ssh_connect_dict = {
+            'host': host,
+            'user': user,
+            'port': port,
+            'timeout': 30,
+            'pty_width': width,
+            'pty_height': height,
+            'password': passwd
+        }
+
+        if auth == 'key':
+            ssh_key_file = os.path.join(SSHKEY_PATH, ssh_key_name)
+            with open(ssh_key_file, 'r') as f:
+                ssh_key = f.read()
+
+            string_io = StringIO()
+            string_io.write(ssh_key)
+            string_io.flush()
+            string_io.seek(0)
+            ssh_connect_dict['ssh_key'] = string_io
+
+            os.remove(ssh_key_file)
+
+        self.ssh.connect(**ssh_connect_dict)
+
+    def disconnect(self, close_code):
+        try:
+            if close_code == 3001:
+                pass
+            else:
+                self.ssh.close()
+        except:
+            pass
+        finally:
+            # 杩囨护鐐圭粨鏋滀腑鐨勯鑹插瓧绗�
+            # res = re.sub('(\[\d{2};\d{2}m|\[0m)', '', self.ssh.res)
+            print('鍛戒护: ')
+            print(self.ssh.cmd)
+            # print('缁撴灉: ')
+            # print(res)
+            pass
+
+    def receive(self, text_data=None, bytes_data=None):
+        if text_data is None:
+            self.ssh.django_bytes_to_ssh(bytes_data)
+        else:
+            data = json.loads(text_data)
+            if type(data) == dict:
+                status = data['status']
+                if status == 0:
+                    data = data['data']
+                    self.ssh.shell(data)
+                else:
+                    cols = data['cols']
+                    rows = data['rows']
+                    self.ssh.resize_pty(cols=cols, rows=rows)