app-routing.module.ts

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { Routes, RouterModule, PreloadAllModules } from '@angular/router';
import { LoginComponent } from './pages/login/login.component';
import { InfoComponent } from './pages/info/info.component';

const APP_ROUTES: Routes = [
  { path: 'info', loadChildren: 'app/pages/info/info.module#InfoModule' },
  { path: 'admin', loadChildren: 'app/pages/admin/admin.module#AdminModule' },
  { path: 'user', loadChildren: 'app/pages/user/user.module#UserModule' },
  { path: 'login', component: LoginComponent },
  { path: '', pathMatch: 'full', redirectTo: 'login' },
  { path: '**', component: LoginComponent }
];

@NgModule({
  imports: [
    RouterModule.forRoot(
      APP_ROUTES,
      { preloadingStrategy: PreloadAllModules }
    )
  ],
  exports: [
    RouterModule
  ]
})
export class AppRoutingModule { }