subscribed-container.abstract.ts

import { OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';

export abstract class SubscribedContainer implements OnDestroy {
  destroyed$ = new Subject<void>();
  /**
   * DO NOT this.destroyed$.complete();
   * It is not necessary:
   * https://stackoverflow.com/questions/44289859/do-i-need-to-complete-a-subject-for-it-to-be-garbage-collected
   */
  ngOnDestroy(): void {
    this.destroyed$.next();
  }
}