storage.component.ts

import { Component } from '@angular/core';
import { STORAGE, PersistenceService } from '../services/persistence.service';

@Component({
  selector: 'app-storage',
  templateUrl: './storage.component.html',
  providers: [
    PerstistenceService,
    { provide: STORAGE, useValue: sessionStorage }
  ]
})
export class StorageComponent {

  constructor(
    private persistenceService: PerstistenceService,
  ) { }
}