chore: check callback before setTimeout

ReactiveX · Sep 25, 2020 · 8c9a4a7 · 8c9a4a7
1 parent 8f85b25
commit 8c9a4a7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/internal/Subscriber.ts b/src/internal/Subscriber.ts
@@ -202,7 +202,8 @@ function handleStoppedNotification(
   notification: { kind: 'N'; value: any } | { kind: 'E'; error: any } | { kind: 'C' },
   subscriber: Subscriber<any>
 ) {
-  setTimeout(() => config.onStoppedNotification?.(notification, subscriber));
+  const { onStoppedNotification } = config;
+  onStoppedNotification && setTimeout(() => onStoppedNotification(notification, subscriber));
 }
 
 /**