update

node_modules/rxjs/_esm2015/AsyncSubject.js

@@ -0,0 +1,44 @@
+import { Subject } from './Subject';
+import { Subscription } from './Subscription';
+/**
+ * @class AsyncSubject<T>
+ */
+export class AsyncSubject extends Subject {
+    constructor() {
+        super(...arguments);
+        this.value = null;
+        this.hasNext = false;
+        this.hasCompleted = false;
+    }
+    /** @deprecated internal use only */ _subscribe(subscriber) {
+        if (this.hasError) {
+            subscriber.error(this.thrownError);
+            return Subscription.EMPTY;
+        }
+        else if (this.hasCompleted && this.hasNext) {
+            subscriber.next(this.value);
+            subscriber.complete();
+            return Subscription.EMPTY;
+        }
+        return super._subscribe(subscriber);
+    }
+    next(value) {
+        if (!this.hasCompleted) {
+            this.value = value;
+            this.hasNext = true;
+        }
+    }
+    error(error) {
+        if (!this.hasCompleted) {
+            super.error(error);
+        }
+    }
+    complete() {
+        this.hasCompleted = true;
+        if (this.hasNext) {
+            super.next(this.value);
+        }
+        super.complete();
+    }
+}
+//# sourceMappingURL=AsyncSubject.js.map