Spacing-Visualizer: Handle undefined blockElement

WordPress · Feb 11, 2025 · b306588 · b306588
1 parent 2988195
commit b306588
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/packages/block-editor/src/hooks/spacing-visualizer.js b/packages/block-editor/src/hooks/spacing-visualizer.js
@@ -18,9 +18,12 @@ import { useBlockElement } from '../components/block-list/use-block-props/use-bl
 
 function SpacingVisualizer( { clientId, value, computeStyle, forceShow } ) {
 	const blockElement = useBlockElement( clientId );
-	const [ style, updateStyle ] = useReducer( () =>
-		computeStyle( blockElement )
-	);
+	const [ style, updateStyle ] = useReducer( ( state ) => {
+		if ( ! blockElement ) {
+			return state;
+		}
+		return computeStyle( blockElement );
+	} );
 
 	useLayoutEffect( () => {
 		if ( ! blockElement ) {