56 lines
1.2 KiB
TypeScript
56 lines
1.2 KiB
TypeScript
const BLOCK_SELECTOR = '.block-editor-block-list__block';
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const getBlockClientId = ( node: HTMLElement ) => {
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while ( node && node.nodeType !== node.ELEMENT_NODE ) {
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node = node.parentNode as HTMLElement;
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}
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if ( ! node ) {
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return;
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}
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const elementNode = node;
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const blockNode = elementNode.closest( BLOCK_SELECTOR );
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if ( ! blockNode ) {
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return;
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}
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return blockNode.id.slice( 'block-'.length );
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};
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export const selectBlockOnHover = (
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event: MouseEvent,
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{
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selectBlockByClientId,
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getBlockParents,
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setBlockEditingMode,
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}: {
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selectBlockByClientId: (
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clientId: string,
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initialPosition: 0 | -1 | null
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) => void;
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getBlockParents: ( clientId: string ) => string[];
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setBlockEditingMode?: ( clientId: string, mode: string ) => void;
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}
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) => {
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const target = event.target as HTMLElement;
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const blockClientId = getBlockClientId( target );
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if ( ! blockClientId ) {
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return;
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}
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const blockParents = getBlockParents( blockClientId );
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if ( ! blockParents || blockParents.length === 0 ) {
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selectBlockByClientId( blockClientId, null );
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} else {
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if ( setBlockEditingMode ) {
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setBlockEditingMode( blockClientId, 'disabled' );
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}
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selectBlockByClientId( blockParents[ 0 ], null );
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}
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};
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