@wordpress/block-editor/build-module/components/block-list/use-block-props/use-block-refs.mjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../../../src/components/block-list/use-block-props/use-block-refs.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useContext, useState, useLayoutEffect } from '@wordpress/element';\nimport { useRefEffect } from '@wordpress/compose';\n\n/**\n * Internal dependencies\n */\nimport { BlockRefs } from '../../provider/block-refs-provider';\n\n/** @typedef {import('@wordpress/element').RefCallback} RefCallback */\n/** @typedef {import('@wordpress/element').Ref} Ref */\n\n/**\n * Provides a ref to the BlockRefs context.\n *\n * @param {string} clientId The client ID of the element ref.\n *\n * @return {RefCallback} Ref callback.\n */\nexport function useBlockRefProvider( clientId ) {\n\tconst { refsMap } = useContext( BlockRefs );\n\treturn useRefEffect(\n\t\t( element ) => {\n\t\t\trefsMap.set( clientId, element );\n\t\t\treturn () => refsMap.delete( clientId );\n\t\t},\n\t\t[ clientId ]\n\t);\n}\n\nfunction assignRef( ref, value ) {\n\tif ( typeof ref === 'function' ) {\n\t\tref( value );\n\t} else if ( ref ) {\n\t\tref.current = value;\n\t}\n}\n\n/**\n * Tracks the DOM element for the block identified by `clientId` and assigns it to the `ref`\n * whenever it changes.\n *\n * @param {string} clientId The client ID to track.\n * @param {Ref}    ref      The ref object/callback to assign to.\n */\nexport function useBlockElementRef( clientId, ref ) {\n\tconst { refsMap } = useContext( BlockRefs );\n\tuseLayoutEffect( () => {\n\t\tassignRef( ref, refsMap.get( clientId ) );\n\t\tconst unsubscribe = refsMap.subscribe( clientId, () =>\n\t\t\tassignRef( ref, refsMap.get( clientId ) )\n\t\t);\n\t\treturn () => {\n\t\t\tunsubscribe();\n\t\t\tassignRef( ref, null );\n\t\t};\n\t}, [ refsMap, clientId, ref ] );\n}\n\n/**\n * Return the element for a given client ID. Updates whenever the element\n * changes, becomes available, or disappears.\n *\n * @param {string} clientId The client ID to an element for.\n *\n * @return {Element|null} The block's wrapper element.\n */\nexport function useBlockElement( clientId ) {\n\tconst [ blockElement, setBlockElement ] = useState( null );\n\tuseBlockElementRef( clientId, setBlockElement );\n\treturn blockElement;\n}\n"],
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  "names": []
}