| import React, { useMemo, useRef, useEffect } from 'react' |
| import { createRoot } from 'react-dom/client' |
| import { createEditor, Descendant } from 'slate' |
| import { Slate, Editable, withReact } from 'slate-react' |
| import { withHistory } from 'slate-history' |
|
|
| const ShadowDOM = () => { |
| const container = useRef<HTMLDivElement>(null) |
|
|
| useEffect(() => { |
| if (container.current!.shadowRoot) return |
|
|
| |
| const outerShadowRoot = container.current!.attachShadow({ mode: 'open' }) |
| const host = document.createElement('div') |
| outerShadowRoot.appendChild(host) |
|
|
| |
| const innerShadowRoot = host.attachShadow({ mode: 'open' }) |
| const reactRoot = document.createElement('div') |
| innerShadowRoot.appendChild(reactRoot) |
|
|
| |
| const root = createRoot(reactRoot) |
| root.render(<ShadowEditor />) |
| }) |
|
|
| return <div ref={container} data-cy="outer-shadow-root" /> |
| } |
|
|
| const ShadowEditor = () => { |
| const editor = useMemo(() => withHistory(withReact(createEditor())), []) |
|
|
| return ( |
| <Slate editor={editor} initialValue={initialValue}> |
| <Editable placeholder="Enter some plain text..." /> |
| </Slate> |
| ) |
| } |
|
|
| const initialValue: Descendant[] = [ |
| { |
| type: 'paragraph', |
| children: [{ text: 'This Editor is rendered within a nested Shadow DOM.' }], |
| }, |
| ] |
|
|
| export default ShadowDOM |
|
|
