@wordpress/block-library/src/accordion-panel/edit.js

Block library for the WordPress editor.

import {
	useBlockProps,
	useInnerBlocksProps,
	store as blockEditorStore,
} from '@wordpress/block-editor';
import { useSelect } from '@wordpress/data';

export default function Edit( { attributes, context, clientId, isSelected } ) {
	const { allowedBlocks, templateLock } = attributes;
	const openByDefault = context[ 'core/accordion-open-by-default' ];
	const { hasSelection } = useSelect(
		( select ) => {
			if ( isSelected || openByDefault ) {
				return { hasSelection: true };
			}

			const {
				getBlockRootClientId,
				isBlockSelected,
				hasSelectedInnerBlock,
			} = select( blockEditorStore );
			const rootClientId = getBlockRootClientId( clientId );
			return {
				hasSelection:
					isBlockSelected( rootClientId ) ||
					hasSelectedInnerBlock( rootClientId, true ),
			};
		},
		[ clientId, isSelected, openByDefault ]
	);
	const blockProps = useBlockProps( {
		hidden: ! hasSelection,
		role: 'region',
	} );

	const innerBlocksProps = useInnerBlocksProps( blockProps, {
		allowedBlocks,
		templateLock,
	} );

	return <div { ...innerBlocksProps } />;
}