{
  "version": 3,
  "sources": ["../../../src/components/collaborators-overlay/use-render-cursors.ts"],
  "sourcesContent": ["import { privateApis as coreDataPrivateApis } from '@wordpress/core-data';\nimport type {\n\tCoreDataPrivateApis,\n\tResolvedSelection,\n\tSelectionEndpoint,\n\tPostEditorAwarenessState as ActiveCollaborator,\n} from '@wordpress/core-data';\nimport { useSelect } from '@wordpress/data';\nimport { useEffect, useState } from '@wordpress/element';\nimport { store as preferencesStore } from '@wordpress/preferences';\nimport { unlock } from '../../lock-unlock';\nimport { getAvatarUrl } from './get-avatar-url';\nimport { getAvatarBorderColor } from '../collab-sidebar/utils';\nimport { computeSelectionVisual } from './compute-selection';\nimport {\n\tuseDebouncedRecompute,\n\tuseRequestAnimationFrameRecompute,\n} from './use-debounced-recompute';\nimport { blockContainerOf } from './cursor-dom-utils';\nimport type { SelectionRect } from './cursor-dom-utils';\nimport { getCollaboratorDisplayName } from '../../utils/get-collaborator-display-name';\n\nconst { useActiveCollaborators, useResolvedSelection } =\n\tunlock( coreDataPrivateApis );\nconst { SelectionType } = unlock( coreDataPrivateApis ) as Pick<\n\tCoreDataPrivateApis,\n\t'SelectionType'\n>;\n\nexport type { SelectionRect };\n\nexport interface CursorData {\n\tuserName: string;\n\tclientId: number;\n\tcolor: string;\n\tavatarUrl?: string;\n\t// x/y/height absent for multi-block selections — avatar comes from\n\t// use-block-highlighting; only selectionRects are rendered here.\n\tx?: number;\n\ty?: number;\n\theight?: number;\n\tisMe?: boolean;\n\tselectionRects?: SelectionRect[];\n}\n\n/**\n * Custom hook that computes cursor positions for each remote user in the editor.\n *\n * @param overlayElement      - The overlay element\n * @param blockEditorDocument - 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 cursor positions.\n * @return An array of cursor data for rendering, and a function to trigger a delayed recompute.\n */\nexport function useRenderCursors(\n\toverlayElement: HTMLElement | null,\n\tblockEditorDocument: Document | null,\n\tpostId: number | null,\n\tpostType: string | null,\n\tdelayMs: number\n): {\n\tcursors: CursorData[];\n\trerenderCursorsAfterDelay: () => () => void;\n\trerenderCursorsOnResize: () => void;\n} {\n\tconst sortedUsers = 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 showOwnCursor = useSelect(\n\t\t( select ) =>\n\t\t\tselect( preferencesStore ).get( 'core', 'showCollaborationCursor' ),\n\t\t[]\n\t);\n\n\tconst [ cursorPositions, setCursorPositions ] = useState< CursorData[] >(\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, rerenderCursorsAfterDelay ] =\n\t\tuseDebouncedRecompute( delayMs );\n\t// Separate token for resize events: fires on the next animation frame so\n\t// getBoundingClientRect() reflects the post-resize layout immediately.\n\tconst [ resizeToken, rerenderCursorsOnResize ] =\n\t\tuseRequestAnimationFrameRecompute();\n\n\t// All DOM position computations live inside useEffect.\n\tuseEffect( () => {\n\t\tif ( ! overlayElement || ! blockEditorDocument ) {\n\t\t\tsetCursorPositions( [] );\n\t\t\treturn;\n\t\t}\n\n\t\t// Pre-compute the overlay rect once, same for every user.\n\t\tconst overlayRect = overlayElement.getBoundingClientRect();\n\t\tconst overlayContext = {\n\t\t\teditorDocument: blockEditorDocument,\n\t\t\toverlayRect,\n\t\t};\n\n\t\tconst results: CursorData[] = [];\n\n\t\tconst hasOtherCollaborators = sortedUsers.some(\n\t\t\t( u: ActiveCollaborator ) => ! u.isMe\n\t\t);\n\n\t\tsortedUsers.forEach( ( user: ActiveCollaborator ) => {\n\t\t\tif ( user.isMe && ( ! showOwnCursor || ! hasOtherCollaborators ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst selection = user.editorState?.selection ?? {\n\t\t\t\ttype: SelectionType.None,\n\t\t\t};\n\n\t\t\tlet start: ResolvedSelection = {\n\t\t\t\trichTextOffset: null,\n\t\t\t\tlocalClientId: null,\n\t\t\t\tattributeKey: null,\n\t\t\t};\n\t\t\tlet end: ResolvedSelection | undefined;\n\n\t\t\tif ( selection.type === SelectionType.Cursor ) {\n\t\t\t\ttry {\n\t\t\t\t\tstart = resolveSelection( selection );\n\t\t\t\t} catch {\n\t\t\t\t\t// Selection may reference a stale Yjs position.\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t} else if ( selection.type === SelectionType.SelectionInOneBlock ) {\n\t\t\t\ttry {\n\t\t\t\t\tstart = resolveSelection( {\n\t\t\t\t\t\ttype: SelectionType.Cursor,\n\t\t\t\t\t\tcursorPosition: selection.cursorStartPosition,\n\t\t\t\t\t} );\n\t\t\t\t\tend = resolveSelection( {\n\t\t\t\t\t\ttype: SelectionType.Cursor,\n\t\t\t\t\t\tcursorPosition: selection.cursorEndPosition,\n\t\t\t\t\t} );\n\t\t\t\t} catch {\n\t\t\t\t\t// Selection may reference a stale Yjs position.\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t} else if (\n\t\t\t\tselection.type === SelectionType.SelectionInMultipleBlocks\n\t\t\t) {\n\t\t\t\t// Each endpoint is either a CursorEndpoint (character offset\n\t\t\t\t// inside a RichText field) or a WholeBlockEndpoint (block selected\n\t\t\t\t// as a unit, no character offset). Resolve independently so each\n\t\t\t\t// end uses the right Yjs anchor regardless of block type.\n\t\t\t\tconst resolveEndpoint = (\n\t\t\t\t\tendpoint: SelectionEndpoint\n\t\t\t\t): ResolvedSelection => resolveSelection( endpoint );\n\t\t\t\ttry {\n\t\t\t\t\tstart = resolveEndpoint( selection.startEndpoint );\n\t\t\t\t\tend = resolveEndpoint( selection.endEndpoint );\n\t\t\t\t} catch {\n\t\t\t\t\t// Selection may reference a stale Yjs position.\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Promote inner-block endpoints (e.g. list-items → list) to\n\t\t\t\t// their direct [data-block] parent before passing to\n\t\t\t\t// computeSelectionVisual, so that function receives\n\t\t\t\t// container-level IDs and needs no promotion logic of its own.\n\t\t\t\tconst promote = ( r: ResolvedSelection ): ResolvedSelection => {\n\t\t\t\t\tif ( ! r.localClientId ) {\n\t\t\t\t\t\treturn r;\n\t\t\t\t\t}\n\t\t\t\t\tconst el = blockEditorDocument.querySelector< HTMLElement >(\n\t\t\t\t\t\t`[data-block=\"${ r.localClientId }\"]`\n\t\t\t\t\t);\n\t\t\t\t\tif ( ! el ) {\n\t\t\t\t\t\treturn r;\n\t\t\t\t\t}\n\t\t\t\t\tconst container = blockContainerOf( el );\n\t\t\t\t\tconst containerId = container.getAttribute( 'data-block' );\n\t\t\t\t\tif ( ! containerId || containerId === r.localClientId ) {\n\t\t\t\t\t\treturn r;\n\t\t\t\t\t}\n\t\t\t\t\treturn {\n\t\t\t\t\t\t...r,\n\t\t\t\t\t\tlocalClientId: containerId,\n\t\t\t\t\t\trichTextOffset: null,\n\t\t\t\t\t\tattributeKey: null,\n\t\t\t\t\t};\n\t\t\t\t};\n\t\t\t\tstart = promote( start );\n\t\t\t\tif ( end ) {\n\t\t\t\t\tend = promote( end );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst userName = getCollaboratorDisplayName(\n\t\t\t\tuser.collaboratorInfo\n\t\t\t);\n\t\t\tconst clientId = user.clientId;\n\t\t\tconst color = user.isMe\n\t\t\t\t? 'var(--wp-admin-theme-color)'\n\t\t\t\t: getAvatarBorderColor(\n\t\t\t\t\t\tuser.collaboratorInfo.id ?? user.clientId\n\t\t\t\t  );\n\t\t\tconst avatarUrl = getAvatarUrl( user.collaboratorInfo.avatar_urls );\n\n\t\t\tconst selectionVisual = computeSelectionVisual(\n\t\t\t\tselection,\n\t\t\t\tstart,\n\t\t\t\tend,\n\t\t\t\toverlayContext\n\t\t\t);\n\n\t\t\tconst hasCoords = Boolean( selectionVisual.coords );\n\t\t\tconst hasRects =\n\t\t\t\t( selectionVisual.selectionRects?.length ?? 0 ) > 0;\n\t\t\tif ( hasCoords || hasRects ) {\n\t\t\t\tconst cursorData: CursorData = {\n\t\t\t\t\tuserName,\n\t\t\t\t\tclientId,\n\t\t\t\t\tcolor,\n\t\t\t\t\tavatarUrl,\n\t\t\t\t\tisMe: user.isMe,\n\t\t\t\t\t...( selectionVisual.coords ?? {} ),\n\t\t\t\t};\n\t\t\t\tif ( selectionVisual.selectionRects ) {\n\t\t\t\t\tcursorData.selectionRects = selectionVisual.selectionRects;\n\t\t\t\t}\n\t\t\t\tresults.push( cursorData );\n\t\t\t}\n\t\t} );\n\n\t\tsetCursorPositions( results );\n\t}, [\n\t\tblockEditorDocument,\n\t\tresolveSelection,\n\t\toverlayElement,\n\t\tsortedUsers,\n\t\tshowOwnCursor,\n\t\trecomputeToken,\n\t\tresizeToken,\n\t] );\n\n\treturn {\n\t\tcursors: cursorPositions,\n\t\trerenderCursorsAfterDelay,\n\t\trerenderCursorsOnResize,\n\t};\n}\n"],
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  "names": ["coreDataPrivateApis", "preferencesStore"]
}