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

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../../src/list-item/hooks/use-space.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useRefEffect } from '@wordpress/compose';\nimport { SPACE, TAB } from '@wordpress/keycodes';\nimport { store as blockEditorStore } from '@wordpress/block-editor';\nimport { useSelect } from '@wordpress/data';\n\n/**\n * Internal dependencies\n */\nimport useIndentListItem from './use-indent-list-item';\nimport useOutdentListItem from './use-outdent-list-item';\n\nexport default function useSpace( clientId ) {\n\tconst { getSelectionStart, getSelectionEnd, getBlockIndex } =\n\t\tuseSelect( blockEditorStore );\n\tconst indentListItem = useIndentListItem( clientId );\n\tconst outdentListItem = useOutdentListItem();\n\n\treturn useRefEffect(\n\t\t( element ) => {\n\t\t\tfunction onKeyDown( event ) {\n\t\t\t\tconst { keyCode, shiftKey, altKey, metaKey, ctrlKey } = event;\n\n\t\t\t\tif (\n\t\t\t\t\tevent.defaultPrevented ||\n\t\t\t\t\t( keyCode !== SPACE && keyCode !== TAB ) ||\n\t\t\t\t\t// Only override when no modifiers are pressed.\n\t\t\t\t\taltKey ||\n\t\t\t\t\tmetaKey ||\n\t\t\t\t\tctrlKey\n\t\t\t\t) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst selectionStart = getSelectionStart();\n\t\t\t\tconst selectionEnd = getSelectionEnd();\n\t\t\t\tif (\n\t\t\t\t\tselectionStart.offset === 0 &&\n\t\t\t\t\tselectionEnd.offset === 0\n\t\t\t\t) {\n\t\t\t\t\tif ( shiftKey ) {\n\t\t\t\t\t\t// Note that backspace behaviour in defined in onMerge.\n\t\t\t\t\t\tif ( keyCode === TAB ) {\n\t\t\t\t\t\t\tif ( outdentListItem() ) {\n\t\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t} else if ( getBlockIndex( clientId ) !== 0 ) {\n\t\t\t\t\t\tif ( indentListItem() ) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\telement.addEventListener( 'keydown', onKeyDown );\n\t\t\treturn () => {\n\t\t\t\telement.removeEventListener( 'keydown', onKeyDown );\n\t\t\t};\n\t\t},\n\t\t[ clientId, indentListItem ]\n\t);\n}\n"],
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