{
  "version": 3,
  "sources": ["../../../src/components/collaborators-overlay/use-block-highlighting.ts"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport {\n\tprivateApis as coreDataPrivateApis,\n\tSelectionType,\n\ttype PostEditorAwarenessState as ActiveCollaborator,\n} from '@wordpress/core-data';\nimport { useEffect, useRef, useState } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport { unlock } from '../../lock-unlock';\nimport { getAvatarBorderColor } from '../collab-sidebar/utils';\nimport { getAvatarUrl } from './get-avatar-url';\nimport { useDebouncedRecompute } from './use-debounced-recompute';\n\nconst { useActiveCollaborators, useResolvedSelection } =\n\tunlock( coreDataPrivateApis );\n\nexport interface BlockHighlightData {\n\tblockId: string;\n\tuserName: string;\n\tavatarUrl?: string;\n\tcolor: string;\n\tx: number;\n\ty: number;\n}\n\n/**\n * Custom hook for highlighting selected blocks in the editor and computing\n * their positions for rendering avatar labels in the overlay.\n *\n * @param overlayElement      - The overlay element used as position reference.\n * @param blockEditorDocument - Ref to the block editor document.\n * @param postId              - The ID of the post.\n * @param postType            - The type of the post.\n * @param delayMs             - Milliseconds to wait before recomputing highlight positions.\n * @return Highlight data for rendering and a delayed recompute function.\n */\nexport function useBlockHighlighting(\n\toverlayElement: HTMLElement | null,\n\tblockEditorDocument: Document | null,\n\tpostId: number | null,\n\tpostType: string | null,\n\tdelayMs: number\n): {\n\thighlights: BlockHighlightData[];\n\trerenderHighlightsAfterDelay: () => () => void;\n} {\n\tconst highlightedBlockIds = useRef< Set< string > >( new Set() );\n\tconst userStates: ActiveCollaborator[] = useActiveCollaborators(\n\t\tpostId ?? null,\n\t\tpostType ?? null\n\t);\n\tconst resolveSelection = useResolvedSelection(\n\t\tpostId ?? null,\n\t\tpostType ?? null\n\t);\n\n\tconst [ highlights, setHighlights ] = useState< BlockHighlightData[] >(\n\t\t[]\n\t);\n\n\t// Bump this counter to force the effect to re-run (e.g. after a layout shift).\n\tconst [ recomputeToken, rerenderHighlightsAfterDelay ] =\n\t\tuseDebouncedRecompute( delayMs );\n\n\t// All DOM mutations and position computations live inside useEffect.\n\tuseEffect( () => {\n\t\tif ( ! blockEditorDocument ) {\n\t\t\tsetHighlights( [] );\n\t\t\treturn;\n\t\t}\n\n\t\t// Capture the ref value so the cleanup closure sees the same Set\n\t\t// even if a later render replaces it.\n\t\tconst currentHighlightedIds = highlightedBlockIds.current;\n\n\t\t// Deduplicate by blockId \u2014 when multiple collaborators select the\n\t\t// same block, only the first one gets the highlight and avatar label.\n\t\tconst seen = new Set< string >();\n\t\tconst blocksToHighlight = userStates\n\t\t\t.filter( ( userState: ActiveCollaborator ) => {\n\t\t\t\tconst isWholeBlockSelected =\n\t\t\t\t\tuserState.editorState?.selection?.type ===\n\t\t\t\t\tSelectionType.WholeBlock;\n\n\t\t\t\treturn ! userState.isMe && isWholeBlockSelected;\n\t\t\t} )\n\t\t\t.map( ( userState ) => {\n\t\t\t\tlet localClientId;\n\t\t\t\ttry {\n\t\t\t\t\t( { localClientId } = resolveSelection(\n\t\t\t\t\t\tuserState.editorState?.selection\n\t\t\t\t\t) );\n\t\t\t\t} catch {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\tif ( ! localClientId ) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\n\t\t\t\treturn {\n\t\t\t\t\tblockId: localClientId,\n\t\t\t\t\tcolor: userState.isMe\n\t\t\t\t\t\t? 'var(--wp-admin-theme-color)'\n\t\t\t\t\t\t: getAvatarBorderColor( userState.collaboratorInfo.id ),\n\t\t\t\t\tuserName: userState.collaboratorInfo.name,\n\t\t\t\t\tavatarUrl: getAvatarUrl(\n\t\t\t\t\t\tuserState.collaboratorInfo.avatar_urls\n\t\t\t\t\t),\n\t\t\t\t};\n\t\t\t} )\n\t\t\t.filter( ( block ): block is NonNullable< typeof block > => {\n\t\t\t\tif ( ! block ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\tif ( seen.has( block.blockId ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\tseen.add( block.blockId );\n\t\t\t\treturn true;\n\t\t\t} );\n\n\t\t// Unhighlight blocks that are no longer selected.\n\t\tconst selectedBlockIds = new Set(\n\t\t\tblocksToHighlight.map( ( block ) => block.blockId )\n\t\t);\n\n\t\tfor ( const blockId of currentHighlightedIds ) {\n\t\t\tif ( ! selectedBlockIds.has( blockId ) ) {\n\t\t\t\tconst blockElement = getBlockElementById(\n\t\t\t\t\tblockEditorDocument,\n\t\t\t\t\tblockId\n\t\t\t\t);\n\n\t\t\t\tif ( blockElement ) {\n\t\t\t\t\tblockElement.classList.remove( 'is-collaborator-selected' );\n\t\t\t\t\tblockElement.style.removeProperty(\n\t\t\t\t\t\t'--collaborator-outline-color'\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\tcurrentHighlightedIds.delete( blockId );\n\t\t\t}\n\t\t}\n\n\t\t// Highlight blocks and compute positions for avatar labels.\n\t\tconst results: BlockHighlightData[] = [];\n\t\tconst overlayRect = overlayElement?.getBoundingClientRect() ?? null;\n\n\t\tblocksToHighlight.forEach( ( block ) => {\n\t\t\tconst { color, blockId, userName, avatarUrl } = block;\n\t\t\tconst blockElement = getBlockElementById(\n\t\t\t\tblockEditorDocument,\n\t\t\t\tblockId\n\t\t\t);\n\n\t\t\tif ( ! blockElement ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tblockElement.classList.add( 'is-collaborator-selected' );\n\t\t\tblockElement.style.setProperty(\n\t\t\t\t'--collaborator-outline-color',\n\t\t\t\tcolor\n\t\t\t);\n\t\t\tcurrentHighlightedIds.add( blockId );\n\n\t\t\tif ( overlayRect ) {\n\t\t\t\tconst blockRect = blockElement.getBoundingClientRect();\n\n\t\t\t\tresults.push( {\n\t\t\t\t\tblockId,\n\t\t\t\t\tuserName,\n\t\t\t\t\tavatarUrl,\n\t\t\t\t\tcolor,\n\t\t\t\t\tx: blockRect.left - overlayRect.left,\n\t\t\t\t\ty: blockRect.top - overlayRect.top,\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tsetHighlights( results );\n\n\t\t// Clean up all highlights on unmount.\n\t\treturn () => {\n\t\t\tfor ( const blockId of currentHighlightedIds ) {\n\t\t\t\tconst el = getBlockElementById( blockEditorDocument, blockId );\n\t\t\t\tif ( el ) {\n\t\t\t\t\tel.classList.remove( 'is-collaborator-selected' );\n\t\t\t\t\tel.style.removeProperty( '--collaborator-outline-color' );\n\t\t\t\t}\n\t\t\t}\n\t\t\tcurrentHighlightedIds.clear();\n\t\t};\n\t}, [\n\t\tuserStates,\n\t\tblockEditorDocument,\n\t\toverlayElement,\n\t\trecomputeToken,\n\t\tresolveSelection,\n\t] );\n\n\treturn { highlights, rerenderHighlightsAfterDelay };\n}\n\nconst getBlockElementById = (\n\tblockEditorDocument: Document,\n\tblockId: string\n): HTMLElement | null => {\n\treturn blockEditorDocument.querySelector( `[data-block=\"${ blockId }\"]` );\n};\n"],
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  "names": ["coreDataPrivateApis"]
}