BaseRxComponent.ts

export class BaseRxComponent
  implements OnDestroy {

  private subscription: Subscription = new Subscription();

  protected manage(teardown: TeardownLogic): Subscription {
    return this.subscription.add(teardown);
  }

  protected unsubscribe(): void {
    this.subscription.unsubscribe();
    this.subscription = new Subscription();
  }

  public ngOnDestroy(): void {
    this.unsubscribe();
  }

}