Ensure that openref is defined before accessing to .current (#62508)

* Ensure that openref is defined before accessing to .current * add comment Co-authored-by: gigitux <[email protected]> Co-authored-by: cbravobernal <[email protected]> Co-authored-by: vcanales <[email protected]>
WordPress · Jun 18, 2024 · 426938a · 426938a
1 parent 4d5ae89
commit 426938a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/block-editor/src/components/block-list/use-in-between-inserter.js b/packages/block-editor/src/components/block-list/use-in-between-inserter.js
@@ -40,7 +40,9 @@ export function useInBetweenInserter() {
 			}
 
 			function onMouseMove( event ) {
-				if ( openRef.current ) {
+				// openRef is the reference to the insertion point between blocks.
+				// If the reference is not set or the insertion point is already open, return.
+				if ( openRef === undefined || openRef.current ) {
 					return;
 				}