import { NgModule } from '@angular/core'; import { Routes, RouterModule } from '@angular/router'; import { BlogListComponent } from './blog-list/blog-list.component'; import { BlogColumnComponent } from './blog-column/blog-column.component'; import { BlogDetailsComponent } from './blog-details/blog-details.component'; const routes: Routes = [ { path: '', children: [ { path: 'blog-list', component: BlogListComponent}, { path: 'blog-column', component: BlogColumnComponent}, { path: 'blog-details', component: BlogDetailsComponent} ] } ]; @NgModule({ imports: [RouterModule.forChild(routes)], exports: [RouterModule] }) export class BlogRoutingModule { }