Add explicit React useState annotations in xplat/js

Reviewed By: SamChou19815 Differential Revision: D39756144 fbshipit-source-id: d34c86b62e82e771723714fb7896058b7f27670f
facebook · Sep 23, 2022 · 17c63a1 · 17c63a1
1 parent 65b2be3
commit 17c63a1
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/packages/react-relay/relay-hooks/useBlockingPaginationFragment.js b/packages/react-relay/relay-hooks/useBlockingPaginationFragment.js
@@ -161,7 +161,9 @@ function useLoadMore<TQuery: OperationType>(args: {
   >,
 }): [LoadMoreFn<TQuery>, boolean, () => void] {
   const {disableStoreUpdates, enableStoreUpdates, ...loadMoreArgs} = args;
-  const [requestPromise, setRequestPromise] = useState(null);
+  const [requestPromise, setRequestPromise] = useState<null | Promise<mixed>>(
+    null,
+  );
   const requestPromiseRef = useRef(null);
   const promiseResolveRef = useRef(null);
 

diff --git a/packages/relay-test-utils/__tests__/RelayMockEnvironmentWithComponents-test.js b/packages/relay-test-utils/__tests__/RelayMockEnvironmentWithComponents-test.js
@@ -651,7 +651,7 @@ describe('ReactRelayTestMocker with Containers', () => {
 
       function FeedbackComponent(props: $FlowFixMe) {
         const [busy, setBusy] = useState(false);
-        const [errorMessage, setErrorMessage] = useState(null);
+        const [errorMessage, setErrorMessage] = useState<null | string>(null);
         return (
           <div>
             {errorMessage != null && (