@wordpress/block-library/build/paragraph/use-enter.cjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../src/paragraph/use-enter.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useRef } from '@wordpress/element';\nimport { useRefEffect } from '@wordpress/compose';\nimport { ENTER } from '@wordpress/keycodes';\nimport { useSelect, useDispatch, useRegistry } from '@wordpress/data';\nimport { store as blockEditorStore } from '@wordpress/block-editor';\nimport {\n\thasBlockSupport,\n\tcreateBlock,\n\tcloneBlock,\n\tgetDefaultBlockName,\n} from '@wordpress/blocks';\n\nexport function useOnEnter( props ) {\n\tconst { batch } = useRegistry();\n\tconst { moveBlocksToPosition, replaceBlocks, selectionChange } =\n\t\tuseDispatch( blockEditorStore );\n\tconst {\n\t\tgetBlockRootClientId,\n\t\tgetBlockIndex,\n\t\tgetBlockOrder,\n\t\tgetBlockName,\n\t\tgetBlock,\n\t\tcanInsertBlockType,\n\t} = useSelect( blockEditorStore );\n\tconst propsRef = useRef( props );\n\tpropsRef.current = props;\n\treturn useRefEffect( ( element ) => {\n\t\tfunction onKeyDown( event ) {\n\t\t\tif ( event.defaultPrevented ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( event.keyCode !== ENTER ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst { content, clientId } = propsRef.current;\n\n\t\t\t// The paragraph should be empty.\n\t\t\tif ( content.length ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst wrapperClientId = getBlockRootClientId( clientId );\n\n\t\t\tif (\n\t\t\t\t! hasBlockSupport(\n\t\t\t\t\tgetBlockName( wrapperClientId ),\n\t\t\t\t\t'__experimentalOnEnter',\n\t\t\t\t\tfalse\n\t\t\t\t)\n\t\t\t) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst order = getBlockOrder( wrapperClientId );\n\t\t\tconst position = order.indexOf( clientId );\n\n\t\t\t// If it is the last block, exit.\n\t\t\tif ( position === order.length - 1 ) {\n\t\t\t\tlet newWrapperClientId = wrapperClientId;\n\n\t\t\t\twhile (\n\t\t\t\t\t! canInsertBlockType(\n\t\t\t\t\t\tgetBlockName( clientId ),\n\t\t\t\t\t\tgetBlockRootClientId( newWrapperClientId )\n\t\t\t\t\t)\n\t\t\t\t) {\n\t\t\t\t\tnewWrapperClientId =\n\t\t\t\t\t\tgetBlockRootClientId( newWrapperClientId );\n\t\t\t\t}\n\n\t\t\t\tif ( typeof newWrapperClientId === 'string' ) {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\tmoveBlocksToPosition(\n\t\t\t\t\t\t[ clientId ],\n\t\t\t\t\t\twrapperClientId,\n\t\t\t\t\t\tgetBlockRootClientId( newWrapperClientId ),\n\t\t\t\t\t\tgetBlockIndex( newWrapperClientId ) + 1\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tconst defaultBlockName = getDefaultBlockName();\n\t\t\tconst wrapperBlockName = getBlockName( wrapperClientId );\n\t\t\tconst grandparentClientId = getBlockRootClientId( wrapperClientId );\n\n\t\t\tif (\n\t\t\t\t! canInsertBlockType( defaultBlockName, grandparentClientId ) ||\n\t\t\t\t! canInsertBlockType( wrapperBlockName, grandparentClientId )\n\t\t\t) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tevent.preventDefault();\n\n\t\t\t// If it is in the middle, split the block in two.\n\t\t\tconst wrapperBlock = getBlock( wrapperClientId );\n\t\t\tconst head = cloneBlock( {\n\t\t\t\t...wrapperBlock,\n\t\t\t\tinnerBlocks: wrapperBlock.innerBlocks.slice( 0, position ),\n\t\t\t} );\n\t\t\tconst middle = createBlock( defaultBlockName );\n\t\t\tconst tail = cloneBlock( {\n\t\t\t\t...wrapperBlock,\n\t\t\t\tinnerBlocks: wrapperBlock.innerBlocks.slice( position + 1 ),\n\t\t\t} );\n\n\t\t\tbatch( () => {\n\t\t\t\treplaceBlocks( wrapperClientId, [ head, middle, tail ] );\n\t\t\t\t// The selected paragraph is a descendant of the replaced\n\t\t\t\t// wrapper, so `replaceBlocks` leaves the selection stale.\n\t\t\t\t// Move it to the new default block explicitly.\n\t\t\t\tselectionChange( middle.clientId );\n\t\t\t} );\n\t\t}\n\n\t\telement.addEventListener( 'keydown', onKeyDown );\n\t\treturn () => {\n\t\t\telement.removeEventListener( 'keydown', onKeyDown );\n\t\t};\n\t}, [] );\n}\n"],
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  "names": ["blockEditorStore"]
}