src/app/shared/components/base-components/base.component.ts

import { OnDestroy } from '@angular/core';
import { BaseSandbox } from '@app/shared/sandbox/base.sandbox';

export class BaseComponent implements OnDestroy {
  constructor(public baseSandebox?: BaseSandbox) {}
  ngOnDestroy(): void {
    !!this.baseSandebox && this.baseSandebox.endSubscriptions();
  }
}