imports: [
    BrowserModule,
    RouterModule.forRoot([
      {
        path: '',
        component: HomeComponent,
        data: {
          title: 'Home'
        }
      },
      {
        path: 'about',
        component: AboutComponent,
        data: {
          title: 'About'
        }
      },
      {
        path: 'products-and-services',
        component: ProductsServicesComponent,
        data: {
          title: 'Products & Services'
        }
      },
      {
        path: 'world-class-laundry',
        component: LaundryComponent,
        data: {
          title: 'World Class Laundry'
        }
      },
      {
        path: 'contact',
        component: ContactComponent,
        data: {
          title: 'Contact'
        }
      },
      {
        path: '**',
        component: NotFoundComponent,
        data: {
          title: 'Page Not Found'
        }
      }
    ])
  ],

ngOnInit() {
    this.router.events
      .filter((event) => event instanceof NavigationEnd)
      .map(() => this.activatedRoute)
      .map((route) => {
        while (route.firstChild) route = route.firstChild;
        return route;
      })
      .filter((route) => route.outlet === 'primary')
      .mergeMap((route) => route.data)
      .subscribe((event) => {
        this.titleService.setTitle(event['title']);
      });
  }