fix: fix count don't work (#1784)

* fix: fix count
alibaba · Jul 27, 2022 · 0278f9b · 0278f9b
1 parent 8244516
commit 0278f9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/hooks/src/useMutationObserver/demo/demo1.tsx b/packages/hooks/src/useMutationObserver/demo/demo1.tsx
@@ -15,7 +15,7 @@ const App: React.FC = () => {
 
   useMutationObserver(
     (mutationsList) => {
-      mutationsList.forEach(() => setCount(count + 1));
+      mutationsList.forEach(() => setCount((c) => c + 1));
     },
     ref,
     { attributes: true },