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

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../../src/list-item/hooks/use-tab.js"],
  "sourcesContent": ["import { useRefEffect } from '@wordpress/compose';\nimport { privateApis as richTextPrivateApis } from '@wordpress/rich-text';\nimport { SPACE, TAB } from '@wordpress/keycodes';\nimport { store as blockEditorStore } from '@wordpress/block-editor';\nimport { useRegistry } from '@wordpress/data';\nimport { isEntirelySelected } from '@wordpress/dom';\nimport { indentListItems, outdentListItems } from '../utils';\nimport { unlock } from '../../lock-unlock';\n\nconst { subscribeOwnedListener } = unlock( richTextPrivateApis );\n\nexport default function useTab() {\n\tconst registry = useRegistry();\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// Shift selects outdent; other modifiers pass through.\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 { getSelectionStart, getSelectionEnd } =\n\t\t\t\t\tregistry.select( blockEditorStore );\n\t\t\t\tconst isAtStart =\n\t\t\t\t\tgetSelectionStart().offset === 0 &&\n\t\t\t\t\tgetSelectionEnd().offset === 0;\n\n\t\t\t\t// Both keys act at the start of an item; Tab also acts on a\n\t\t\t\t// full selection.\n\t\t\t\tif (\n\t\t\t\t\t! isAtStart &&\n\t\t\t\t\t! ( keyCode === TAB && isEntirelySelected( element ) )\n\t\t\t\t) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tconst move = shiftKey ? outdentListItems : indentListItems;\n\t\t\t\tif ( move( registry ) ) {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Capture phase so we run before writing-flow's ancestor-bubble\n\t\t\t// keydown handlers that gate on `event.defaultPrevented`.\n\t\t\treturn subscribeOwnedListener(\n\t\t\t\telement,\n\t\t\t\t'keydown',\n\t\t\t\tonKeyDown,\n\t\t\t\ttrue\n\t\t\t);\n\t\t},\n\t\t[ registry ]\n\t);\n}\n"],
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}