@vidday/vanilla-jsoneditor NPM

vanilla-jsoneditor

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

Try it out: https://jsoneditoronline.org

This is the vanilla variant of svelte-jsoneditor, which can be used in vanilla JavaScript or frameworks like SolidJS, React, Vue, Angular.

JSONEditor tree mode screenshot JSONEditor text mode screenshot

Features

View and edit JSON
Has a low level text mode and high level tree mode
Format (beautify) and compact JSON
Sort, query, filter, and transform JSON
Repair JSON
JSON schema validation and pluggable custom validation
Color highlighting, undo/redo, search and replace
Utilities like a color picker and timestamp tag
Handles large JSON documents up to 500 MB

Install

Install using npm:

npm install vanilla-jsoneditor

Remark: for usage in a Svelte project, install svelte-jsoneditor instead.

Use

Browser example loading the ES module:

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

    <script type="module">
      import { JSONEditor } from 'vanilla-jsoneditor'

      let content = {
        text: undefined,
        json: {
          greeting: 'Hello World'
        }
      }

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

      // use methods get, set, update, and onChange to get data in or out of the editor.
      // Use updateProps to update properties.
    </script>
  </body>
</html>