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If you use the snippets provided below, you can use the local React integration with the current editor build from manual tests. This way, you don't need to build the entire CKEditor 5 project. <head>
<meta
http-equiv="Content-Security-Policy"
content="default-src * 'unsafe-inline' 'unsafe-eval' data: blob:; script-src * 'unsafe-inline' 'unsafe-eval' data: blob:; style-src * 'unsafe-inline' data: blob:; img-src * data: blob:; connect-src *; font-src * data:; frame-src *;">
<script type="importmap">
{
"imports": {
"react": "https://esm.sh/react@19",
"react-dom/client": "https://esm.sh/react-dom@19/client",
"@ckeditor/ckeditor5-integrations-common": "https://esm.sh/@ckeditor/ckeditor5-integrations-common",
"ckeditor5-react": "http://localhost:8080/index.js"
}
}
</script>
<script>
window.React = import( 'react' );
window.ReactDOMClient = import( 'react-dom/client' );
window.CKEditor5React = import( 'ckeditor5-react' );
</script>
</head>
<div id="react-root"></div>/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
import { ClassicEditor } from '@ckeditor/ckeditor5-editor-classic';
import { MultiRootEditor } from '@ckeditor/ckeditor5-editor-multi-root';
import { Enter } from '@ckeditor/ckeditor5-enter';
import { Typing } from '@ckeditor/ckeditor5-typing';
import { Link } from '../../src/link.js';
import { Paragraph } from '@ckeditor/ckeditor5-paragraph';
import { Undo } from '@ckeditor/ckeditor5-undo';
import { Bold, Italic } from '@ckeditor/ckeditor5-basic-styles';
import CKEditorInspector from '@ckeditor/ckeditor5-inspector';
const [ React, ReactDOM, CKEditor5React ] = await Promise.all( [
window.React,
window.ReactDOMClient,
window.CKEditor5React
] );
const { CKEditor, useMultiRootEditor } = CKEditor5React;
const { createElement: jsx } = React;
const CKEditor5Demo = () => {
return jsx( 'div', null,
jsx( 'h3', null, 'CKEditor5 Classic Demo' ),
jsx( CKEditor, {
editor: ClassicEditor,
config: {
plugins: [ Link, Bold, Italic, Typing, Paragraph, Undo, Enter ],
toolbar: [ 'link', 'bold', 'italic', '|', 'undo', 'redo' ]
},
onReady: editor => {
CKEditorInspector.attach( { Classic: editor } );
}
} )
);
};
const MultiRootDemo = () => {
const { toolbarElement, editableElements, setData, setAttributes } = useMultiRootEditor( {
editor: MultiRootEditor,
config: {
plugins: [ Link, Bold, Italic, Typing, Paragraph, Undo, Enter ],
toolbar: [ 'link', 'bold', 'italic', '|', 'undo', 'redo' ]
},
data: {
header: '<p>Document header</p>',
content: '<p>Main content</p>'
},
onReady: editor => {
CKEditorInspector.attach( { Multiroot: editor } );
}
} );
const addRoot = () => {
const id = `root_${ Date.now() }`;
setData( prevData => ( {
...prevData,
[ id ]: `<p>New area: ${ id }</p>`
} ) );
setAttributes( prevAttributes => ( {
...prevAttributes,
[ id ]: {}
} ) );
};
const removeRoot = id => {
setData( prevData => {
// eslint-disable-next-line no-unused-vars
const { [ id ]: _removed, ...rest } = prevData;
return rest;
} );
};
const editables = editableElements.map( element => {
const id = element.props.rootName;
return jsx( 'div', { key: id, style: { marginBottom: '20px', padding: '10px', border: '1px solid #ddd' } },
jsx( 'div', { style: { display: 'flex', justifyContent: 'space-between', marginBottom: '10px' } },
jsx( 'strong', null, `Root name: ${ id }` ),
jsx( 'button', { onClick: () => removeRoot( id ) }, 'Remove this root' )
),
element
);
} );
return jsx( 'div', null,
jsx( 'h3', null, 'CKEditor5 Multi-root Demo' ),
jsx( 'button', { onClick: addRoot, style: { marginBottom: '20px', padding: '5px 10px' } }, '+ Add new root' ),
jsx( 'div', { style: { marginBottom: '20px', padding: '10px', background: '#f5f5f5', border: '1px solid #ccc' } },
toolbarElement
),
jsx( 'div', null, editables )
);
};
const App = () => {
return jsx( 'div', null,
jsx( CKEditor5Demo, null ),
jsx( 'hr', { style: { margin: '40px 0' } } ),
jsx( MultiRootDemo, null )
);
};
const rootElement = document.getElementById( 'react-root' );
const root = ReactDOM.createRoot( rootElement );
root.render( jsx( App ) ); |
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🚀 Summary
Add
previewvite configuration. It allows to access built js files throughhttp://localhost:8080/index.js. It's useful for testing react integration in manual tests.📌 Related issues