Prevent reading canonical property of null (#21242)

* Prevent reading canonical property of null * prettier
facebook · Apr 12, 2021 · 686b635 · 686b635 · thorstu22 · Feb 8, 2022
1 parent dd8552a
commit 686b635
Showing 1 changed file with 4 additions and 1 deletion.
diff --git 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