import { Injectable } from '@angular/core'; import { BehaviorSubject } from 'rxjs'; @Injectable() export class ProgressBarService { private toggle = new BehaviorSubject(false); currentToggle = this.toggle.asObservable(); private message = new BehaviorSubject(''); currentMessage = this.message.asObservable(); constructor() { } toggleProgressBar(toggle: boolean) { this.toggle.next(toggle); } sendMessage(message: string) { this.message.next(message); } }