From 686b635b7141511a7bbe751430f6680fc5cca2e2 Mon Sep 17 00:00:00 2001
From: Joshua Gross <joshua.gross@gmail.com>
Date: Mon, 12 Apr 2021 11:10:51 -0700
Subject: [PATCH] Prevent reading canonical property of null (#21242)

* Prevent reading canonical property of null

* prettier
---
 .../src/ReactFabricGlobalResponderHandler.js                 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/react-native-renderer/src/ReactFabricGlobalResponderHandler.js b/packages/react-native-renderer/src/ReactFabricGlobalResponderHandler.js
index 68a0b424ba34b..e9aae2e4fd265 100644
--- a/packages/react-native-renderer/src/ReactFabricGlobalResponderHandler.js
+++ b/packages/react-native-renderer/src/ReactFabricGlobalResponderHandler.js
@@ -13,7 +13,10 @@ import {UIManager} from 'react-native/Libraries/ReactPrivate/ReactNativePrivateI
 const ReactFabricGlobalResponderHandler = {
   onChange: function(from: any, to: any, blockNativeResponder: boolean) {
     const fromOrTo = from || to;
-    const isFabric = !!fromOrTo.stateNode.canonical._internalInstanceHandle;
+    const fromOrToStateNode = fromOrTo && fromOrTo.stateNode;
+    const isFabric = !!(
+      fromOrToStateNode && fromOrToStateNode.canonical._internalInstanceHandle
+    );
 
     if (isFabric) {
       // Noop for now until setJSResponder/clearJSResponder are supported in Fabric