From 886c5ad936428f168e50e077bd37fe9472ff8d3e Mon Sep 17 00:00:00 2001
From: "Sebastian \"Sebbie\" Silbermann" <sebastian.silbermann@vercel.com>
Date: Wed, 15 Jan 2025 00:40:54 +0100
Subject: [PATCH] Reduce risk of leaving shipped Hooks as nullable on
 Dispatcher (#32068)

---
 packages/react-reconciler/src/ReactInternalTypes.js | 4 +++-
 packages/react-server/src/ReactFizzHooks.js         | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/react-reconciler/src/ReactInternalTypes.js b/packages/react-reconciler/src/ReactInternalTypes.js
index 7a6766f5c92c4..0c5504cab468e 100644
--- a/packages/react-reconciler/src/ReactInternalTypes.js
+++ b/packages/react-reconciler/src/ReactInternalTypes.js
@@ -394,7 +394,9 @@ export type Dispatcher = {
     create: () => (() => void) | void,
     deps: Array<mixed> | void | null,
   ): void,
+  // TODO: Non-nullable once `enableUseEffectEventHook` is on everywhere.
   useEffectEvent?: <Args, F: (...Array<Args>) => mixed>(callback: F) => F,
+  // TODO: Non-nullable once `enableUseResourceEffectHook` is on everywhere.
   useResourceEffect?: (
     create: () => mixed,
     createDeps: Array<mixed> | void | null,
@@ -429,7 +431,7 @@ export type Dispatcher = {
     getServerSnapshot?: () => T,
   ): T,
   useId(): string,
-  useCacheRefresh?: () => <T>(?() => T, ?T) => void,
+  useCacheRefresh: () => <T>(?() => T, ?T) => void,
   useMemoCache: (size: number) => Array<any>,
   useHostTransitionStatus: () => TransitionStatus,
   useOptimistic: <S, A>(
diff --git a/packages/react-server/src/ReactFizzHooks.js b/packages/react-server/src/ReactFizzHooks.js
index d346bdff0c58f..0db0b00b3bdee 100644
--- a/packages/react-server/src/ReactFizzHooks.js
+++ b/packages/react-server/src/ReactFizzHooks.js
@@ -835,6 +835,7 @@ export const HooksDispatcher: Dispatcher = supportsClientAPIs
       useFormState: useActionState,
       useHostTransitionStatus,
       useMemoCache,
+      useCacheRefresh,
     }
   : {
       readContext,