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jsoneditor-on-line
/
index.html

<!DOCTYPE HTML>
<html>
<head>
  <title>JSONEditor | onValidationError</title>

  <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
  <link href="jsoneditor.css" rel="stylesheet" type="text/css">
  <script src="jsoneditor.js"></script>

  <style type="text/css">
    body {
      width: 1000px;
	  height: 1000px;
      font: 11pt sans-serif;
    }
    #jsoneditor {
      width: 100%;
      height: 800px;
	  position:absolute;


    }

    #onValidationOutput {
      margin: 5px;
    }

    /* custom bold styling for non-default JSON schema values */
    .jsoneditor-is-not-default {
      font-weight: bold;
    }
  </style>
</head>
<body>
<h1>JSON schema validation</h1>
<p>
  This example demonstrates onValidationError callback.
</p>

<div id="jsoneditor"></div>
<div id="onValidationOutput"></div>

<script>
  var schema = {
    "title": "Employee",
    "description": "Object containing employee details",
    "type": "object",
    "properties": {
      "firstName": {
        "title": "First Name",
        "description": "The given name.",
        "examples": [
          "John"
        ],
        "type": "string"
      },
      "lastName": {
        "title": "Last Name",
        "description": "The family name.",
        "examples": [
          "Smith"
        ],
        "type": "string"
      },
      "gender": {
        "title": "Gender",
        "enum": ["male", "female"]
      },
      "availableToHire": {
        "type": "boolean",
        "default": false
      },
      "age": {
        "description": "Age in years",
        "type": "integer",
        "minimum": 0,
        "examples": [28, 32]
      },
      "job": {
        "$ref": "job"
      }
    },
    "required": ["firstName", "lastName"]
  };

  var job = {
    "title": "Job description",
    "type": "object",
    "required": ["address"],
    "properties": {
      "company": {
        "type": "string",
        "examples": [
          "ACME",
          "Dexter Industries"
        ]
      },
      "role": {
        "description": "Job title.",
        "type": "string",
        "examples": [
          "Human Resources Coordinator",
          "Software Developer"
        ],
        "default": "Software Developer"
      },
      "address": {
        "type": "string"
      },
      "salary": {
        "type": "number",
        "minimum": 120,
        "examples": [100, 110, 120]
      }
    }
  };

  var json = {
    firstName: 'John',
    lastName: 'Doe',
    gender: null,
    age: "28",
    availableToHire: true,
    job: {
      company: 'freelance',
      role: 'developer',
      salary: 100
    }
  };

  var options = {
    schema: schema,
    schemaRefs: {"job": job},
    mode: 'code',
    modes: ['code', 'text', 'tree', 'preview'],
    onValidationError: function(errors) {
      console.error('onValidationError', errors);
      const outputEL = document.getElementById('onValidationOutput')
      outputEL.innerHTML = '<code>onValidationError</code> was called with ' + errors.length + ' error' + (errors.length > 1 ? 's' : '') +  ' <br> ' +
        'open the browser console to see the error objects';
    },
    onValidate: function (json) {
      var errors = [];
      if(!isNaN(json.age) && json.age < 30) {
        errors.push({ path: ['age'], message: 'Member age must be 30 or higher' });
      }
      return errors;
    }
  };

  // create the editor
  var container = document.getElementById('jsoneditor');
  var editor = new JSONEditor(container, options, json);
</script>
</body>
</html>