110 lines
2.9 KiB
HTML
110 lines
2.9 KiB
HTML
<!DOCTYPE HTML>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
|
|
<title>JSONEditor | Custom validation</title>
|
|
|
|
<link href="../dist/jsoneditor.css" rel="stylesheet" type="text/css">
|
|
<script src="../dist/jsoneditor.js"></script>
|
|
|
|
<style type="text/css">
|
|
body {
|
|
width: 600px;
|
|
font: 11pt sans-serif;
|
|
}
|
|
#jsoneditor {
|
|
width: 100%;
|
|
height: 500px;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<h1>Custom validation</h1>
|
|
<p>
|
|
This example demonstrates how to run custom validation on a JSON object.
|
|
The validation is available in all modes.
|
|
</p>
|
|
|
|
<div id="jsoneditor"></div>
|
|
|
|
<script>
|
|
const json = {
|
|
team: [
|
|
{
|
|
name: 'Joe',
|
|
age: 17
|
|
},
|
|
{
|
|
name: 'Sarah',
|
|
age: 13
|
|
},
|
|
{
|
|
name: 'Jack'
|
|
}
|
|
]
|
|
}
|
|
|
|
const options = {
|
|
mode: 'tree',
|
|
modes: ['code', 'text', 'tree', 'preview'],
|
|
onValidate: function (json) {
|
|
// rules:
|
|
// - team, names, and ages must be filled in and be of correct type
|
|
// - a team must have 4 members
|
|
// - at lease one member of the team must be adult
|
|
const errors = []
|
|
|
|
if (json && Array.isArray(json.team)) {
|
|
// check whether each team member has name and age filled in correctly
|
|
json.team.forEach(function (member, index) {
|
|
if (typeof member !== 'object') {
|
|
errors.push({path: ['team', index], message: 'Member must be an object with properties "name" and "age"'})
|
|
}
|
|
|
|
if ('name' in member) {
|
|
if (typeof member.name !== 'string') {
|
|
errors.push({path: ['team', index, 'name'], message: 'Name must be a string'})
|
|
}
|
|
} else {
|
|
errors.push({path: ['team', index], message: 'Required property "name"" missing'})
|
|
}
|
|
|
|
if ('age' in member) {
|
|
if (typeof member.age !== 'number') {
|
|
errors.push({path: ['team', index, 'age'], message: 'Age must be a number'})
|
|
}
|
|
} else {
|
|
errors.push({path: ['team', index], message: 'Required property "age" missing'})
|
|
}
|
|
})
|
|
|
|
// check whether the team consists of exactly four members
|
|
if (json.team.length !== 4) {
|
|
errors.push({path: ['team'], message: 'A team must have 4 members'})
|
|
}
|
|
|
|
// check whether there is at least one adult member in the team
|
|
const adults = json.team.filter(function (member) {
|
|
return member ? member.age >= 18 : false
|
|
})
|
|
if (adults.length === 0) {
|
|
errors.push({path: ['team'], message: 'A team must have at least one adult person (age >= 18)'})
|
|
}
|
|
} else {
|
|
errors.push({path: [], message: 'Required property "team" missing or not an Array'})
|
|
}
|
|
|
|
return errors
|
|
}
|
|
}
|
|
|
|
// create the editor
|
|
const container = document.getElementById('jsoneditor')
|
|
const editor = new JSONEditor(container, options, json)
|
|
editor.expandAll()
|
|
</script>
|
|
</body>
|
|
</html>
|