auth.service.ts

@Injectable({
  providedIn: 'root',
})
export class AuthService implements OnDestroy {
  private readonly apiUrl = `${environment.apiUrl}api/account`;
  private timer: Subscription;
  private _user = new BehaviorSubject<ApplicationUser>(null);
  user$: Observable<ApplicationUser> = this._user.asObservable();

  private storageEventListener(event: StorageEvent) {  // ...  }

  constructor(private router: Router, private http: HttpClient) {
    window.addEventListener('storage', this.storageEventListener.bind(this));
  }

  ngOnDestroy(): void {
    window.removeEventListener('storage', this.storageEventListener.bind(this));
  }

  login(username: string, password: string) {  // ...  }

  logout() {  // ...  }

  refreshToken() {  // ...  }

  setLocalStorage(x: LoginResult) {  // ...  }

  clearLocalStorage() {  // ...  }

  private getTokenRemainingTime() {  // ...  }

  private startTokenTimer() {  // ...  }

  private stopTokenTimer() {
    this.timer?.unsubscribe();
  }
}