From 28e7657d017aa2147cd8692f6f660b2de29ff345 Mon Sep 17 00:00:00 2001
From: Sebastian Markbage <sema@fb.com>
Date: Mon, 25 Jan 2021 16:41:16 -0500
Subject: [PATCH] Error for deferred value and transition in Server Components

---
 packages/react-server/src/ReactFlightServer.js | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/packages/react-server/src/ReactFlightServer.js b/packages/react-server/src/ReactFlightServer.js
index 2e7d48ad7ca1a..b80798cd66f4b 100644
--- a/packages/react-server/src/ReactFlightServer.js
+++ b/packages/react-server/src/ReactFlightServer.js
@@ -773,12 +773,8 @@ const Dispatcher: DispatcherType = {
     return callback;
   },
   useDebugValue(): void {},
-  useDeferredValue<T>(value: T): T {
-    return value;
-  },
-  useTransition(): [(callback: () => void) => void, boolean] {
-    return [() => {}, false];
-  },
+  useDeferredValue: (unsupportedHook: any),
+  useTransition: (unsupportedHook: any),
   getCacheForType<T>(resourceType: () => T): T {
     invariant(
       currentCache,