import { NgModule } from '@angular/core'; import { Routes, RouterModule } from '@angular/router'; import { CustomersComponent } from './customers.component'; import { CustomersListComponent } from './customers-list.component'; import { CustomersDetailComponent } from './customers-detail.component'; const routes: Routes = [ { path: '', component: CustomersComponent, children: [ { path: '', component: CustomersListComponent }, { path: ':id', component: CustomersDetailComponent } ] } ]; @NgModule({ imports: [RouterModule.forChild(routes)], exports: [RouterModule] }) export class CustomersRoutingModule {}