From 343a70d6ce9bfa03e46309676e0b315ecb0042be Mon Sep 17 00:00:00 2001
From: Sunil Pai <threepointone@fb.com>
Date: Fri, 11 Jan 2019 14:59:49 +0000
Subject: [PATCH] warn when it looks like you haven't updated react-dom

fixes #2402
---
 packages/react/src/ReactHooks.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/react/src/ReactHooks.js b/packages/react/src/ReactHooks.js
index e5fa9d3a507..c1802e217d5 100644
--- a/packages/react/src/ReactHooks.js
+++ b/packages/react/src/ReactHooks.js
@@ -19,6 +19,13 @@ function resolveDispatcher() {
     dispatcher !== null,
     'Hooks can only be called inside the body of a function component.',
   );
+  if (__DEV__) {
+    warning(
+      typeof dispatcher.useState === 'function',
+      "It looks like you're using an older version of your renderer, " +
+        "make sure you've updated both react and react-<renderer> in your package.json",
+    );
+  }
   return dispatcher;
 }