Naive fix

facebook · Jun 30, 2021 · 2a092ae · 2a092ae
1 parent 1f7d10e
commit 2a092ae
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/packages/react-reconciler/src/ReactFiberHooks.new.js b/packages/react-reconciler/src/ReactFiberHooks.new.js
@@ -821,7 +821,9 @@ function updateReducer<S, I, A>(
           newState = ((update.eagerState: any): S);
         } else {
           const action = update.action;
-          newState = reducer(newState, action);
+          const reducerImpl =
+            update.eagerReducer !== null ? update.eagerReducer : reducer;
+          newState = reducerImpl(newState, action);
         }
       }
       update = update.next;

diff --git a/packages/react-reconciler/src/ReactFiberHooks.old.js b/packages/react-reconciler/src/ReactFiberHooks.old.js
@@ -821,7 +821,9 @@ function updateReducer<S, I, A>(
           newState = ((update.eagerState: any): S);
         } else {
           const action = update.action;
-          newState = reducer(newState, action);
+          const reducerImpl =
+            update.eagerReducer !== null ? update.eagerReducer : reducer;
+          newState = reducerImpl(newState, action);
         }
       }
       update = update.next;