@wordpress/block-library/build/tabs/use-tab-list-items-sync.cjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../src/tabs/use-tab-list-items-sync.js"],
  "sourcesContent": ["import { store as blockEditorStore } from '@wordpress/block-editor';\nimport { useDispatch, useSelect } from '@wordpress/data';\nimport { useEffect } from '@wordpress/element';\n\nconst EMPTY_ARRAY = [];\n\n/**\n * Keep the tab-list block's `tabs` attribute in sync with the tab-panel blocks.\n *\n * Whenever the list of core/tab-panel blocks changes (add, remove, reorder, or\n * label edit), this hook updates the `tabs` attribute on the core/tab-list\n * block so that save.js can render the correct buttons.\n *\n * @param {string} tabsClientId Client ID of the core/tabs block.\n */\nexport default function useTabListItemsSync( tabsClientId ) {\n\tconst { tabPanels, tabListClientId } = useSelect(\n\t\t( select ) => {\n\t\t\tconst { getBlocks } = select( blockEditorStore );\n\t\t\tconst innerBlocks = getBlocks( tabsClientId );\n\n\t\t\tconst tabPanelsBlock = innerBlocks.find(\n\t\t\t\t( block ) => block.name === 'core/tab-panels'\n\t\t\t);\n\t\t\tconst tabList = innerBlocks.find(\n\t\t\t\t( block ) => block.name === 'core/tab-list'\n\t\t\t);\n\n\t\t\treturn {\n\t\t\t\ttabPanels: tabPanelsBlock?.innerBlocks ?? EMPTY_ARRAY,\n\t\t\t\ttabListClientId: tabList?.clientId ?? null,\n\t\t\t};\n\t\t},\n\t\t[ tabsClientId ]\n\t);\n\n\tconst { updateBlockAttributes, __unstableMarkNextChangeAsNotPersistent } =\n\t\tuseDispatch( blockEditorStore );\n\tconst { getBlockAttributes } = useSelect( blockEditorStore );\n\n\tuseEffect( () => {\n\t\tif ( ! tabListClientId ) {\n\t\t\treturn;\n\t\t}\n\n\t\tconst newTabs = tabPanels.map( ( tab ) => ( {\n\t\t\tlabel: tab.attributes.label || '',\n\t\t} ) );\n\n\t\t// Skip the update when the stored tabs already match the derived ones.\n\t\tconst currentTabs = getBlockAttributes( tabListClientId )?.tabs ?? [];\n\t\tif ( JSON.stringify( newTabs ) === JSON.stringify( currentTabs ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t__unstableMarkNextChangeAsNotPersistent();\n\t\tupdateBlockAttributes( tabListClientId, { tabs: newTabs } );\n\t}, [\n\t\ttabPanels,\n\t\ttabListClientId,\n\t\tgetBlockAttributes,\n\t\tupdateBlockAttributes,\n\t\t__unstableMarkNextChangeAsNotPersistent,\n\t] );\n}\n"],
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  "names": ["blockEditorStore"]
}