@wordpress/block-library/build-module/list-item/hooks/use-enter.mjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../../src/list-item/hooks/use-enter.js"],
  "sourcesContent": ["import {\n\tcreateBlock,\n\tgetDefaultBlockName,\n\tcloneBlock,\n} from '@wordpress/blocks';\nimport { useRefEffect } from '@wordpress/compose';\nimport { privateApis as richTextPrivateApis } from '@wordpress/rich-text';\nimport { ENTER } from '@wordpress/keycodes';\nimport { useSelect, useDispatch } from '@wordpress/data';\nimport { store as blockEditorStore } from '@wordpress/block-editor';\nimport useOutdentListItem from './use-outdent-list-item';\nimport { unlock } from '../../lock-unlock';\n\nconst { subscribeOwnedListener } = unlock( richTextPrivateApis );\n\nexport default function useEnter( clientId ) {\n\tconst { replaceBlocks, selectionChange } = useDispatch( blockEditorStore );\n\tconst {\n\t\tgetBlock,\n\t\tgetBlockAttributes,\n\t\tgetBlockRootClientId,\n\t\tgetBlockIndex,\n\t\tgetBlockName,\n\t} = useSelect( blockEditorStore );\n\tconst outdentListItem = useOutdentListItem();\n\treturn useRefEffect( ( element ) => {\n\t\tfunction onKeyDown( event ) {\n\t\t\tif ( event.defaultPrevented || event.keyCode !== ENTER ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tconst { content } = getBlockAttributes( clientId ) ?? {};\n\t\t\tif ( content?.length ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tevent.preventDefault();\n\t\t\tconst canOutdent =\n\t\t\t\tgetBlockName(\n\t\t\t\t\tgetBlockRootClientId( getBlockRootClientId( clientId ) )\n\t\t\t\t) === 'core/list-item';\n\t\t\tif ( canOutdent ) {\n\t\t\t\toutdentListItem();\n\t\t\t\treturn;\n\t\t\t}\n\t\t\t// Here we are in top level list so we need to split.\n\t\t\tconst topParentListBlock = getBlock(\n\t\t\t\tgetBlockRootClientId( clientId )\n\t\t\t);\n\t\t\tconst blockIndex = getBlockIndex( clientId );\n\t\t\tconst head = cloneBlock( {\n\t\t\t\t...topParentListBlock,\n\t\t\t\tinnerBlocks: topParentListBlock.innerBlocks.slice(\n\t\t\t\t\t0,\n\t\t\t\t\tblockIndex\n\t\t\t\t),\n\t\t\t} );\n\t\t\tconst middle = createBlock( getDefaultBlockName() );\n\t\t\t// Last list item might contain a `list` block innerBlock\n\t\t\t// In that case append remaining innerBlocks blocks.\n\t\t\tconst after = [\n\t\t\t\t...( topParentListBlock.innerBlocks[ blockIndex ]\n\t\t\t\t\t.innerBlocks[ 0 ]?.innerBlocks || [] ),\n\t\t\t\t...topParentListBlock.innerBlocks.slice( blockIndex + 1 ),\n\t\t\t];\n\t\t\tconst tail = after.length\n\t\t\t\t? [\n\t\t\t\t\t\tcloneBlock( {\n\t\t\t\t\t\t\t...topParentListBlock,\n\t\t\t\t\t\t\tinnerBlocks: after,\n\t\t\t\t\t\t} ),\n\t\t\t\t  ]\n\t\t\t\t: [];\n\t\t\treplaceBlocks(\n\t\t\t\ttopParentListBlock.clientId,\n\t\t\t\t[ head, middle, ...tail ],\n\t\t\t\t1\n\t\t\t);\n\t\t\t// We manually change the selection here because we are replacing\n\t\t\t// a different block than the selected one.\n\t\t\tselectionChange( middle.clientId );\n\t\t}\n\n\t\t// Capture phase so we run before writing-flow's ancestor-bubble\n\t\t// keydown handlers that gate on `event.defaultPrevented`.\n\t\treturn subscribeOwnedListener( element, 'keydown', onKeyDown, true );\n\t}, [] );\n}\n"],
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