fix: check for optionality to handle race condition when dragging

A race condition can result in the item being undefined in `getItem()`.
measuredco · Apr 3, 2024 · 4dbd487 · 4dbd487
1 parent dc93789
commit 4dbd487
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/packages/core/lib/get-item.ts b/packages/core/lib/get-item.ts
@@ -15,12 +15,16 @@ export const getItem = (
   if (!selector.zone || selector.zone === rootDroppableId) {
     const item = data.content[selector.index];
 
-    return { ...item, props: dynamicProps[item.props.id] || item.props };
+    return item?.props
+      ? { ...item, props: dynamicProps[item.props.id] || item.props }
+      : undefined;
   }
 
   const item = setupZone(data, selector.zone).zones[selector.zone][
     selector.index
   ];
 
-  return { ...item, props: dynamicProps[item.props.id] || item.props };
+  return item?.props
+    ? { ...item, props: dynamicProps[item.props.id] || item.props }
+    : undefined;
 };