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README
MIT

http-vue-loader evolved into vue3-sfc-loader that supports Vue2 and Vue3

(see the announcement)

http-vue-loader

Load .vue files directly from your html/js. No node.js environment, no build step.

examples

my-component.vue

<template>
    <div class="hello">Hello {{who}}</div>
</template>

<script>
module.exports = {
    data: function() {
        return {
            who: 'world'
        }
    }
}
</script>

<style>
.hello {
    background-color: #ffe;
}
</style>

index.html

<!doctype html>
<html lang="en">
  <head>
    <script src="https://unpkg.com/vue"></script>
    <script src="https://unpkg.com/http-vue-loader"></script>
  </head>

  <body>
    <div id="my-app">
      <my-component></my-component>
    </div>

    <script type="text/javascript">
      new Vue({
        el: '#my-app',
        components: {
          'my-component': httpVueLoader('my-component.vue')
        }
      });
    </script>
  </body>
</html>

More examples

using httpVueLoader()

...
<script type="text/javascript">

    new Vue({
        components: {
            'my-component': httpVueLoader('my-component.vue')
        },
        ...

or, using httpVueLoader.register()

...
<script type="text/javascript">

    httpVueLoader.register(Vue, 'my-component.vue');

    new Vue({
        components: [
            'my-component'
            ]
        },
        ...

or, using httpVueLoader as a plugin

...
<script type="text/javascript">

    Vue.use(httpVueLoader);

    new Vue({
        components: {
            'my-component': 'url:my-component.vue'
        },
        ...

or, using an array

    new Vue({
        components: [
            'url:my-component.vue'
            ]
        },
        ...

Features

  • <template>, <script> and <style> support the src attribute.
  • <style scoped> is supported.
  • module.exports may be a promise.
  • Support of relative urls in <template> and <style> sections.
  • Support custom CSS, HTML and scripting languages, eg. <script lang="coffee"> (see VueLoader.langProcessor).

Browser Support

Chrome Firefox Safari Opera Edge IE
Latest ✔ Latest ✔ ? ? Latest ✔ 9+ ✔

Requirements

Since some browsers do not allow XMLHttpRequest to access local files (Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https), you can start a small express server to run this example.

Run the following commands to start a basic web server:

npm install express
node -e "require('express')().use(require('express').static(__dirname, {index:'index.html'})).listen(8181)"

API

httpVueLoader(url)

url: any url to a .vue file

httpVueLoader.register(vue, url)

vue: a Vue instance
url: any url to a .vue file

httpVueLoader.httpRequest(url)

This is the default httpLoader.

Use axios instead of the default http loader:

httpVueLoader.httpRequest = function(url) {
    
    return axios.get(url)
    .then(function(res) {
        
        return res.data;
    })
    .catch(function(err) {
        
        return Promise.reject(err.status);
    });
}
httpVueLoader.langProcessor

This is an object that contains language processors related to the lang attribute of the <script> section.
The language is a simple function that accepts a script source as argument and returns a javascript script source.

Example - CoffeeScript:

<script src="http://coffeescript.org/v1/browser-compiler/coffee-script.js"></script>
<script src="httpVueLoader.js"></script>

<script>

httpVueLoader.langProcessor.coffee = function(scriptText) {

    return window.CoffeeScript.compile(scriptText, {bare: true});
}

</script>

Then, in you .vue file:

...
<script lang="coffee">

module.exports =
    components: {}
    data: ->
        {}
    computed: {}
    methods: {}

</script>
...

Example - Stylus:

<script src="//stylus-lang.com/try/stylus.min.js"></script>
<script src="httpVueLoader.js"></script>

<script>

httpVueLoader.langProcessor.stylus = function(stylusText) {

    return new Promise(function(resolve, reject) {
        
        stylus.render(stylusText.trim(), {}, function(err, css) {

            if (err) reject(err);
            resolve(css);
        });
    })
}

</script>
...
<style lang="stylus">

    border-radius()
        -webkit-border-radius: arguments
        -moz-border-radius: arguments
        border-radius: arguments

    form input
        padding: 5px
        border: 1px solid
        border-radius: 5px

</style>
...

Sass (SCSS) example. Since sass.compile() is asynchronous, a promise needs to be returned:

<script src="sass.js"></script>
<script src="httpVueLoader.js"></script>

<script>
    httpVueLoader.langProcessor.scss = function (scssText) {
        return new Promise(function(resolve, reject) {
            sass.compile(scssText, function (result) {
                if ( result.status === 0 )
                    resolve(result.text)
                else
                    reject(result)
            });
        });
    }
// ....
...
<style lang="scss">
$font-stack:    Helvetica, sans-serif;
$primary-color: #333;

body {
  font: 100% $font-stack;
  color: $primary-color;
}
</style>

How it works

  1. http request the vue file
  2. load the vue file in a document fragment
  3. process each section (template, script and style)
  4. return a promise to Vue.js (async components)
  5. then Vue.js compiles and cache the component

Notes

The aim of http-vue-loader is to quickly test .vue components without any compilation step.
However, for production, I recommend to use webpack module bundler with vue-loader, webpack-simple is a good minimalist webpack config you should look at.
BTW, see also why Vue.js doesn't support templateURL.

Caveat

Due to the lack of suitable API in Google Chrome and Internet Explorer, syntax errors in the <script> section are only reported on FireFox.

Credits

Franck Freiburger

MIT License Copyright (c) 2017 Franck Freiburger 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.

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