fix: don't do onScroll when there is no element (#65)

Closes #64
TanStack · Sep 14, 2020 · 5dc6e00 · 5dc6e00
1 parent 856100a
commit 5dc6e00
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/index.js b/src/index.js
@@ -71,6 +71,7 @@ export function useVirtual({
     const element = parentRef.current
 
     const onScroll = () => {
+      if (!element) return
       const scrollOffset = element[scrollKey]
       latestRef.current.scrollOffset = scrollOffset
       setRange(prevRange => calculateRange(latestRef.current, prevRange))