Ombi/src/Ombi/ClientApp/src/app/auth/auth.guard.ts

import { Injectable } from "@angular/core";
import { Router } from "@angular/router";
import { CanActivate } from "@angular/router";
import { AuthService } from "./auth.service";

@Injectable()
export class AuthGuard implements CanActivate {

    constructor(private auth: AuthService, private router: Router) { }

    public canActivate() {
        if (this.auth.loggedIn()) {
            return true;
        } else {
            localStorage.removeItem("token");
            this.router.navigate(["login"]);
            return false;
        }
    }
}