import { Component, OnInit, OnDestroy } from '@angular/core';

import { Subject } from 'rxjs/Subject'

export abstract class AutoUnsub implements OnDestroy {

  private _destroy = new Subject<void>();
  protected _destroy$ = this._destroy.asObservable();

  constructor() { }

  ngOnDestroy() {
    this._destroy.next();
    this._destroy.complete();
  }
}