...
import { AuthGuardService } from './service/auth-guard.service';

const routes: Routes = [
{ path: '' , redirectTo: 'login', pathMatch: 'full' },
{ path: 'login', component: LoginComponent },
{ path: 'set-token', component: AuthorizationComponent },
{ path: 'home' , canActivate: [AuthGuardService], component: HomeComponent },
{ path: 'artist/:name', canActivate: [AuthGuardService], component: ArtistComponent }
];