fix(forkJoin): test for object literal not observable

ReactiveX · Apr 26, 2019 · c16ffaf · c16ffaf
1 parent 08782ea
commit c16ffaf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/internal/observable/forkJoin.ts b/src/internal/observable/forkJoin.ts
@@ -147,7 +147,7 @@ export function forkJoin(
       return forkJoinInternal(first, null);
     }
     // TODO(benlesh): isObservable check will not be necessary when deprecated path is removed.
-    if (isObject(first) && !isObservable(first)) {
+    if (isObject(first) && Object.getPrototypeOf(first) === Object.prototype) {
       const keys = Object.keys(first);
       return forkJoinInternal(keys.map(key => first[key]), keys);
     }