import { NgModule } from '@angular/core'; import { Routes, RouterModule } from '@angular/router'; import { ComponentsComponent } from './components.component'; import { TreeComponent } from './tree/tree.component'; import { NotificationsComponent } from './notifications/notifications.component'; const routes: Routes = [{ path: '', component: ComponentsComponent, children: [ { path: 'tree', component: TreeComponent, }, { path: 'notifications', component: NotificationsComponent, }, ], }]; @NgModule({ imports: [RouterModule.forChild(routes)], exports: [RouterModule], }) export class ComponentsRoutingModule { } export const routedComponents = [ ComponentsComponent, TreeComponent, NotificationsComponent, ];