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svelte-jsoneditor

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svelte-jsoneditor

A web-based tool to view, edit, format, transform, and validate JSON

0.0.13
Source
npm

Version published: 4 years ago

Weekly downloads: 3.1K; decreased by-45.12%

Maintainers: 1

Weekly downloads

Created: 4 years ago

Source

svelte-jsoneditor

A web-based tool to view, edit, format, transform, and validate JSON

The library is written with Svelte, but can be used in any framework (React, Angular, plain JavaScript).

JSONEditor screenshot

Install

npm install

Use

See the /examples section for some full examples.

Svelte

Create a JSONEditor with two-way binding bind:json:

<script>
  import { JSONEditor } from 'svelte-jsoneditor'

  let json = {
    'array': [1, 2, 3],
    'boolean': true,
    'color': '#82b92c',
    'null': null,
    'number': 123,
    'object': {'a': 'b', 'c': 'd'},
    'string': 'Hello World'
  }
</script>

<div>
  <JSONEditor bind:json />
</div>

Or one-way binding:

<script>
  import { JSONEditor } from 'svelte-jsoneditor'

  let json = {
    text: 'Hello World'
  }
  
  function onChange(content) {
    // content is an object { json: JSON | undefined, text: string | undefined }
    console.log('onChange: ', content)
    json = content.json
  }
</script>

<div>
  <JSONEditor 
    json={json}
    onChange={onChange}
  />
</div>

Browser

Load as ES module:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>JSONEditor</title>
</head>
<body>
<div id="jsoneditor"></div>

<script type="module">
  import { JSONEditor } from 'svelte-jsoneditor/dist/jsoneditor.mjs'

  const editor = new JSONEditor({
    target: document.getElementById('jsoneditor'),
    props: {
      json: {
        greeting: 'Hello World'
      },
      onChange: (content) => {
        // content is an object { json: JSON | undefined, text: string | undefined }
        console.log('onChange', content)
      }
    }
  })
</script>
</body>
</html>

Or using UMD (exposed as window.jsoneditor.JSONEditor):

<!DOCTYPE html>
<html lang="en">
<head>
  <title>JSONEditor</title>
  <script src="svelte-jsoneditor/dist/jsoneditor.js"></script>
</head>
<body>
<div id="jsoneditor"></div>

<script>
  const editor = new JSONEditor({
    target: document.getElementById('jsoneditor'),
    props: {
      json: {
        greeting: 'Hello World'
      },
      onChange: (content) => {
        // content is an object { json: JSON | undefined, text: string | undefined }
        console.log('onChange', content)
      }
    }
  })
</script>
</body>
</html>

API

constructor

Svelte component:


<script>
  import { JSONEditor } from 'svelte-jsoneditor'
</script>

<div>
  <JSONEditor json={json} />
</div>

JavasScript class:

import { JSONEditor } from 'svelte-jsoneditor'

const editor = new JSONEditor({
  target: document.getElementById('jsoneditor'),
  props: {
    json,
    onChange: (content) => {
      // content is an object { json: JSON | undefined, text: string | undefined }
      console.log('onChange', content)
    }
  }
})

properties

json Pass the JSON document to be rendered in the JSONEditor

mode: 'tree' | 'code'. Open the editor in 'tree' mode (default) or 'code' mode.
mainMenuBar: boolean Show the main menu bar. Default value is true.
indentation: number Number of spaces use for indentation when stringifying JSON.
validator: function (json): ValidationError[]. Validate the JSON document. For example use the built-in JSON Schema validator powered by Ajv:
```
import { createAjvValidator } from 'svelte-jsoneditor'

const validator = createAjvValidator(schema, schemaRefs)
```
onError(err: Error). Callback fired when an error occurs. Default implementation is to log an error in the console and show a simple alert message to the user.
onChange({ json: JSON | undefined, text: string | undefined}). Callback which is invoked on every change made in the JSON document.
onChangeMode(mode: string). Invoked when the mode is changed.
onClassName(path: Array.<string|number>, value: any): string | undefined. Add a custom class name to specific nodes, based on their path and/or value.
onRenderMenu(mode: string, items: Array) : Array | undefined. Callback which can be used to make changes to the menu items. New items can be added, or existing items can be removed or reorganized. When the function returns undefined, the original items will be applied.
onFocus() callback fired when the editor got focus.
onBlur() callback fired when the editor lost focus.

methods

get(): JSON Get the current JSON document. Will throw an error when the editor is code mode and does not contain valid JSON.
getText(): string Get the current JSON document as stringified JSON.
set(json: JSON) Replace the current JSON document. Will reset the state of the editor.
setText(text: string) Replace the current JSON document, passing stringified JSON contents.
update(json: JSON) Update the loaded JSON document, keeping the state of the editor (like expanded objects).
updateText(text: JSON) Update the loaded JSON document, keeping the state of the editor (like expanded objects).
patch(operations: JSONPatchDocument) Apply a JSON patch document to update the contents of the JSON document.
scrollTo(path: Array.<string|number>) Scroll the editor vertically such that the specified path comes into view. The path will be expanded when needed.
focus(). Give the editor focus.
destroy(). Destroy the editor, remove it from the DOM.

Develop

Clone the git repository

Install dependencies:

npm install

Start watcher:

npm start

Build the library:

npm run build

Run unit tests:

npm test

Run linter:

npm run lint

License

Released under the ISC license.

Keywords

svelte

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Package last updated on 03 Mar 2021

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