DevTools Profiler: Fix "cannot read property 'memoizedState' of null" (…

…#18522)
facebook · Apr 7, 2020 · 8edcd03 · 8edcd03
1 parent e8ac48f
commit 8edcd03
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/react-devtools-shared/src/backend/renderer.js b/packages/react-devtools-shared/src/backend/renderer.js
@@ -918,7 +918,7 @@ export function attach(
   }
 
   function didHooksChange(prev: any, next: any): boolean {
-    if (next == null) {
+    if (prev == null || next == null) {
       return false;
     }