// #docregion import { Injectable } from '@angular/core'; import { CanActivate, Router, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router'; import { AuthService } from './auth.service'; @Injectable() export class AuthGuard implements CanActivate { constructor(private authService: AuthService, private router: Router) {} canActivate( // Not using but worth knowing about next: ActivatedRouteSnapshot, state: RouterStateSnapshot ) { if (this.authService.isLoggedIn) { return true; } this.router.navigate(['/login']); return false; } }