Merge

firebase · Jun 29, 2020 · f412e9b · f412e9b
1 parent 47ca1a2
commit f412e9b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/packages/firestore/exp/src/api/reference.ts b/packages/firestore/exp/src/api/reference.ts
@@ -361,9 +361,9 @@ export function onSnapshot<T>(
     const userObserver = args[currArg] as PartialObserver<
       firestore.QuerySnapshot<T>
     >;
-    args[currArg] = userObserver.next;
-    args[currArg + 1] = userObserver.error;
-    args[currArg + 2] = userObserver.complete;
+    args[currArg] = userObserver.next?.bind(userObserver);
+    args[currArg + 1] = userObserver.error?.bind(userObserver);
+    args[currArg + 2] = userObserver.complete?.bind(userObserver);
   }
 
   let asyncObserver: Promise<Unsubscribe>;