import { Injectable } from '@angular/core'; import { BehaviorSubject } from 'rxjs'; export type AuthDialogState = 'login' | 'register' | null; @Injectable({ providedIn: 'root' }) export class AuthDialogService { private readonly dialogStateSubject = new BehaviorSubject(null); readonly dialogState$ = this.dialogStateSubject.asObservable(); openLogin(): void { this.dialogStateSubject.next('login'); } openRegister(): void { this.dialogStateSubject.next('register'); } close(): void { this.dialogStateSubject.next(null); } }