@wordpress/block-editor/build-module/components/block-draggable/index.mjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../../src/components/block-draggable/index.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { store as blocksStore } from '@wordpress/blocks';\nimport { Draggable } from '@wordpress/components';\nimport { useSelect, useDispatch } from '@wordpress/data';\nimport { useEffect, useRef } from '@wordpress/element';\nimport { throttle } from '@wordpress/compose';\n\n/**\n * Internal dependencies\n */\nimport BlockDraggableChip from './draggable-chip';\nimport useScrollWhenDragging from './use-scroll-when-dragging';\nimport { store as blockEditorStore } from '../../store';\nimport { useBlockElement } from '../block-list/use-block-props/use-block-refs';\nimport { isDropTargetValid } from '../use-block-drop-zone';\n\nconst BlockDraggable = ( {\n\tappendToOwnerDocument,\n\tchildren,\n\tclientIds,\n\tcloneClassname,\n\telementId,\n\tonDragStart,\n\tonDragEnd,\n\tfadeWhenDisabled = false,\n\tdragComponent,\n} ) => {\n\tconst {\n\t\tsrcRootClientId,\n\t\tisDraggable,\n\t\ticon,\n\t\tvisibleInserter,\n\t\tgetBlockType,\n\t} = useSelect(\n\t\t( select ) => {\n\t\t\tconst {\n\t\t\t\tcanMoveBlocks,\n\t\t\t\tgetBlockRootClientId,\n\t\t\t\tgetBlockName,\n\t\t\t\tgetBlockAttributes,\n\t\t\t\tisBlockInsertionPointVisible,\n\t\t\t} = select( blockEditorStore );\n\t\t\tconst { getBlockType: _getBlockType, getActiveBlockVariation } =\n\t\t\t\tselect( blocksStore );\n\t\t\tconst rootClientId = getBlockRootClientId( clientIds[ 0 ] );\n\t\t\tconst blockName = getBlockName( clientIds[ 0 ] );\n\t\t\tconst variation = getActiveBlockVariation(\n\t\t\t\tblockName,\n\t\t\t\tgetBlockAttributes( clientIds[ 0 ] )\n\t\t\t);\n\n\t\t\treturn {\n\t\t\t\tsrcRootClientId: rootClientId,\n\t\t\t\tisDraggable: canMoveBlocks( clientIds ),\n\t\t\t\ticon: variation?.icon || _getBlockType( blockName )?.icon,\n\t\t\t\tvisibleInserter: isBlockInsertionPointVisible(),\n\t\t\t\tgetBlockType: _getBlockType,\n\t\t\t};\n\t\t},\n\t\t[ clientIds ]\n\t);\n\n\tconst isDraggingRef = useRef( false );\n\tconst [ startScrolling, scrollOnDragOver, stopScrolling ] =\n\t\tuseScrollWhenDragging();\n\n\tconst { getAllowedBlocks, getBlockNamesByClientId, getBlockRootClientId } =\n\t\tuseSelect( blockEditorStore );\n\n\tconst { startDraggingBlocks, stopDraggingBlocks } =\n\t\tuseDispatch( blockEditorStore );\n\n\t// Stop dragging blocks if the block draggable is unmounted.\n\tuseEffect( () => {\n\t\treturn () => {\n\t\t\tif ( isDraggingRef.current ) {\n\t\t\t\tstopDraggingBlocks();\n\t\t\t}\n\t\t};\n\t}, [] );\n\n\t// Find the root of the editor iframe.\n\tconst blockEl = useBlockElement( clientIds[ 0 ] );\n\tconst editorRoot = blockEl?.closest( 'body' );\n\n\t/*\n\t * Add a dragover event listener to the editor root to track the blocks being dragged over.\n\t * The listener has to be inside the editor iframe otherwise the target isn't accessible.\n\t */\n\tuseEffect( () => {\n\t\tif ( ! editorRoot || ! fadeWhenDisabled ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst onDragOver = ( event ) => {\n\t\t\tif ( ! event.target.closest( '[data-block]' ) ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tconst draggedBlockNames = getBlockNamesByClientId( clientIds );\n\t\t\tconst targetClientId = event.target\n\t\t\t\t.closest( '[data-block]' )\n\t\t\t\t.getAttribute( 'data-block' );\n\n\t\t\tconst allowedBlocks = getAllowedBlocks( targetClientId );\n\t\t\tconst targetBlockName = getBlockNamesByClientId( [\n\t\t\t\ttargetClientId,\n\t\t\t] )[ 0 ];\n\n\t\t\t/*\n\t\t\t * Check if the target is valid to drop in.\n\t\t\t * If the target's allowedBlocks is an empty array,\n\t\t\t * it isn't a container block, in which case we check\n\t\t\t * its parent's validity instead.\n\t\t\t */\n\t\t\tlet dropTargetValid;\n\t\t\tif ( allowedBlocks?.length === 0 ) {\n\t\t\t\tconst targetRootClientId =\n\t\t\t\t\tgetBlockRootClientId( targetClientId );\n\t\t\t\tconst targetRootBlockName = getBlockNamesByClientId( [\n\t\t\t\t\ttargetRootClientId,\n\t\t\t\t] )[ 0 ];\n\t\t\t\tconst rootAllowedBlocks =\n\t\t\t\t\tgetAllowedBlocks( targetRootClientId );\n\t\t\t\tdropTargetValid = isDropTargetValid(\n\t\t\t\t\tgetBlockType,\n\t\t\t\t\trootAllowedBlocks,\n\t\t\t\t\tdraggedBlockNames,\n\t\t\t\t\ttargetRootBlockName\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\tdropTargetValid = isDropTargetValid(\n\t\t\t\t\tgetBlockType,\n\t\t\t\t\tallowedBlocks,\n\t\t\t\t\tdraggedBlockNames,\n\t\t\t\t\ttargetBlockName\n\t\t\t\t);\n\t\t\t}\n\n\t\t\t/*\n\t\t\t * Update the body class to reflect if drop target is valid.\n\t\t\t * This has to be done on the document body because the draggable\n\t\t\t * chip is rendered outside of the editor iframe.\n\t\t\t */\n\t\t\tif ( ! dropTargetValid && ! visibleInserter ) {\n\t\t\t\twindow?.document?.body?.classList?.add(\n\t\t\t\t\t'block-draggable-invalid-drag-token'\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\twindow?.document?.body?.classList?.remove(\n\t\t\t\t\t'block-draggable-invalid-drag-token'\n\t\t\t\t);\n\t\t\t}\n\t\t};\n\n\t\tconst throttledOnDragOver = throttle( onDragOver, 200 );\n\n\t\teditorRoot.addEventListener( 'dragover', throttledOnDragOver );\n\n\t\treturn () => {\n\t\t\teditorRoot.removeEventListener( 'dragover', throttledOnDragOver );\n\t\t};\n\t}, [\n\t\tclientIds,\n\t\teditorRoot,\n\t\tfadeWhenDisabled,\n\t\tgetAllowedBlocks,\n\t\tgetBlockNamesByClientId,\n\t\tgetBlockRootClientId,\n\t\tgetBlockType,\n\t\tvisibleInserter,\n\t] );\n\n\tif ( ! isDraggable ) {\n\t\treturn children( { draggable: false } );\n\t}\n\n\tconst transferData = {\n\t\ttype: 'block',\n\t\tsrcClientIds: clientIds,\n\t\tsrcRootClientId,\n\t};\n\n\treturn (\n\t\t<Draggable\n\t\t\tappendToOwnerDocument={ appendToOwnerDocument }\n\t\t\tcloneClassname={ cloneClassname }\n\t\t\t__experimentalTransferDataType=\"wp-blocks\"\n\t\t\ttransferData={ transferData }\n\t\t\tonDragStart={ ( event ) => {\n\t\t\t\t// Defer hiding the dragged source element to the next\n\t\t\t\t// frame to enable dragging.\n\t\t\t\twindow.requestAnimationFrame( () => {\n\t\t\t\t\tstartDraggingBlocks( clientIds );\n\t\t\t\t\tisDraggingRef.current = true;\n\n\t\t\t\t\tstartScrolling( event );\n\n\t\t\t\t\tif ( onDragStart ) {\n\t\t\t\t\t\tonDragStart();\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t} }\n\t\t\tonDragOver={ scrollOnDragOver }\n\t\t\tonDragEnd={ () => {\n\t\t\t\tstopDraggingBlocks();\n\t\t\t\tisDraggingRef.current = false;\n\n\t\t\t\tstopScrolling();\n\n\t\t\t\tif ( onDragEnd ) {\n\t\t\t\t\tonDragEnd();\n\t\t\t\t}\n\t\t\t} }\n\t\t\t__experimentalDragComponent={\n\t\t\t\t// Check against `undefined` so that `null` can be used to disable\n\t\t\t\t// the default drag component.\n\t\t\t\tdragComponent !== undefined ? (\n\t\t\t\t\tdragComponent\n\t\t\t\t) : (\n\t\t\t\t\t<BlockDraggableChip\n\t\t\t\t\t\tcount={ clientIds.length }\n\t\t\t\t\t\ticon={ icon }\n\t\t\t\t\t\tfadeWhenDisabled\n\t\t\t\t\t/>\n\t\t\t\t)\n\t\t\t}\n\t\t\telementId={ elementId }\n\t\t>\n\t\t\t{ ( { onDraggableStart, onDraggableEnd } ) => {\n\t\t\t\treturn children( {\n\t\t\t\t\tdraggable: true,\n\t\t\t\t\tonDragStart: onDraggableStart,\n\t\t\t\t\tonDragEnd: onDraggableEnd,\n\t\t\t\t} );\n\t\t\t} }\n\t\t</Draggable>\n\t);\n};\n\nexport default BlockDraggable;\n"],
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  "names": ["getBlockRootClientId"]
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