useOnBlockDrop: Fix TypeError via array coercion

Fixes #58653
WordPress · Feb 5, 2024 · 44950c8 · 44950c8
1 parent 9cf0fc0
commit 44950c8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/block-editor/src/components/use-on-block-drop/index.js b/packages/block-editor/src/components/use-on-block-drop/index.js
@@ -252,6 +252,8 @@ export default function useOnBlockDrop(
 			initialPosition = 0,
 			clientIdsToReplace = []
 		) => {
+			if ( ! Array.isArray( blocks ) ) blocks = [ blocks ];
+
 			const clientIds = getBlockOrder( targetRootClientId );
 			const clientId = clientIds[ targetBlockIndex ];
 			const blocksClientIds = blocks.map( ( block ) => block.clientId );