add a lazy route

Author: vikerman

src/app/app-routing.module.ts

@@ -1,7 +1,11 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
+import { EmptyComponent } from './empty/empty.component';
 
-const routes: Routes = [];
+const routes: Routes = [
+  { path: 'lazy', loadChildren: './lazy/lazy.module#LazyModule'},
+  { path: '', component: EmptyComponent},
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],

src/app/app.component.html

@@ -5,17 +5,5 @@ <h1>
   </h1>
   <img width="300" alt="Angular Logo" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg==">
 </div>
-<h2>Here are some links to help you start: </h2>
-<ul>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://angular.io/tutorial">Tour of Heroes</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://angular.io/cli">CLI Documentation</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://blog.angular.io/">Angular blog</a></h2>
-  </li>
-</ul>
 
 <router-outlet></router-outlet>

src/app/app.module.ts

@@ -3,10 +3,12 @@ import { NgModule } from '@angular/core';
 
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
+import { EmptyComponent } from './empty/empty.component';
 
 @NgModule({
   declarations: [
-    AppComponent
+    AppComponent,
+    EmptyComponent
   ],
   imports: [
     BrowserModule,

src/app/empty/empty.component.css

@@ -0,0 +1 @@
+<!--empty-->

src/app/empty/empty.component.html

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EmptyComponent } from './empty.component';
+
+describe('EmptyComponent', () => {
+  let component: EmptyComponent;
+  let fixture: ComponentFixture<EmptyComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EmptyComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EmptyComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/empty/empty.component.spec.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-empty',
+  templateUrl: './empty.component.html',
+  styleUrls: ['./empty.component.css']
+})
+export class EmptyComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/empty/empty.component.ts

@@ -0,0 +1,3 @@
+<p>
+  lazy works!
+</p>

src/app/lazy/lazy.component.css

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LazyComponent } from './lazy.component';
+
+describe('LazyComponent', () => {
+  let component: LazyComponent;
+  let fixture: ComponentFixture<LazyComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ LazyComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LazyComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/lazy/lazy.component.html

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-lazy',
+  templateUrl: './lazy.component.html',
+  styleUrls: ['./lazy.component.css']
+})
+export class LazyComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/lazy/lazy.component.spec.ts

@@ -0,0 +1,15 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { LazyComponent } from './lazy.component';
+import { RouterModule } from '@angular/router';
+
+@NgModule({
+  declarations: [LazyComponent],
+  imports: [
+    CommonModule,
+    RouterModule.forChild([
+      {path: '', component: LazyComponent},
+    ])
+  ],
+})
+export class LazyModule { }