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Element: enable concurrent mode by implementing mount/unmount with cr…
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Original file line number | Diff line number | Diff line change |
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/** | ||
* External dependencies | ||
*/ | ||
import { createRoot, hydrateRoot } from 'react-dom/client'; | ||
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||
const mountedRoots = new WeakMap(); | ||
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||
/** | ||
* Renders a given element into the target DOM node. | ||
* | ||
* @param {import('./react').WPElement} element Element to render. | ||
* @param {HTMLElement} target DOM node into which element should be rendered. | ||
*/ | ||
export function render( element, target ) { | ||
let root = mountedRoots.get( target ); | ||
if ( ! root ) { | ||
root = createRoot( target ); | ||
mountedRoots.set( target, root ); | ||
} | ||
root.render( element ); | ||
} | ||
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||
/** | ||
* Hydrates a given element into the target DOM node. | ||
* | ||
* @param {import('./react').WPElement} element Element to hydrate. | ||
* @param {HTMLElement} target DOM node into which element should be hydrated. | ||
*/ | ||
export function hydrate( element, target ) { | ||
let root = mountedRoots.get( target ); | ||
if ( ! root ) { | ||
root = hydrateRoot( target, element ); | ||
mountedRoots.set( target, root ); | ||
} else { | ||
root.render( element ); | ||
} | ||
} | ||
/** | ||
* Removes any mounted element from the target DOM node. | ||
* | ||
* @param {Element} target DOM node in which element is to be removed | ||
*/ | ||
export function unmountComponentAtNode( target ) { | ||
const root = mountedRoots.get( target ); | ||
if ( root ) { | ||
root.unmount(); | ||
mountedRoots.delete( target ); | ||
} | ||
} |