Method isEnabled

packages/service-worker/src/push.ts:172–174

* True if the Service Worker is enabled (supported by the browser and enabled via * `ServiceWorkerModule`).

()

   * `ServiceWorkerModule`).
   */
  get isEnabled(): boolean {
    return this.sw.isEnabled;
  }

  private pushManager: Observable<PushManager> | null = null;
  private subscriptionChanges = new Subject<PushSubscription | null>();