Angular - Service Worker (Dealing With Updates)

update.service.ts

import { Injectable } from '@angular/core';
import { MatSnackBar } from '@angular/material/snack-bar';
import { SwUpdate } from '@angular/service-worker';
@Injectable()
export class UpdateService {

  constructor(private swUpdate: SwUpdate,
    private snackbar: MatSnackBar) {
    this.swUpdate.available.subscribe(event => {
      const snack = this.snackbar.open('Update Available', 'Reload', { duration: 5000});

      snack.onAction().subscribe(() => {
        window.location.reload();
      });
    });
  }
}