learn app added

tools/app/angular-tour-of-heroes/src/app/app-routing.module.ts

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+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { DashboardComponent } from './dashboard/dashboard.component';
+
+import { HeroesComponent } from './heroes/heroes.component';
+import { HeroDetailComponent } from './hero-detail/hero-detail.component';
+
+const routes: Routes = [
+  { path: '', redirectTo: '/dashboard', pathMatch: 'full' },
+  { path: 'heroes', component: HeroesComponent },
+  { path: 'dashboard', component: DashboardComponent },
+  { path: 'detail/:id', component: HeroDetailComponent }
+];
+
+@NgModule({
+  imports: [
+    RouterModule.forRoot(routes)
+  ],
+  exports: [
+    RouterModule
+  ]
+})
+export class AppRoutingModule { }

tools/app/angular-tour-of-heroes/src/app/app.component.css

@@ -0,0 +1,23 @@
+/* AppComponent's private CSS styles */
+h1 {
+    font-size: 1.2em;
+    margin-bottom: 0;
+  }
+  nav a {
+    padding: 5px 10px;
+    text-decoration: none;
+    margin-top: 10px;
+    display: inline-block;
+    background-color: #eee;
+    border-radius: 4px;
+  }
+  nav a:visited, a:link {
+    color: #334953;
+  }
+  nav a:hover {
+    color: #039be5;
+    background-color: #cfd8dc;
+  }
+  nav a.active {
+    color: #039be5;
+  }

tools/app/angular-tour-of-heroes/src/app/app.component.html

@@ -0,0 +1,7 @@
+<h1>{{title}}</h1>
+<nav>
+    <a routerLink="/dashboard">Dashboard</a>
+    <a routerLink="/heroes">Heroes</a>
+</nav>
+<router-outlet></router-outlet>
+<app-messages></app-messages>

tools/app/angular-tour-of-heroes/src/app/app.component.spec.ts

@@ -0,0 +1,31 @@
+import { TestBed } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [
+        AppComponent
+      ],
+    }).compileComponents();
+  });
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'angular-tour-of-heroes'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app.title).toEqual('angular-tour-of-heroes');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.nativeElement;
+    expect(compiled.querySelector('.content span').textContent).toContain('angular-tour-of-heroes app is running!');
+  });
+});

tools/app/angular-tour-of-heroes/src/app/app.component.ts

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css']
+})
+export class AppComponent {
+  title = 'Tour of Heroes';
+}

tools/app/angular-tour-of-heroes/src/app/app.module.ts

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+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+
+import { AppComponent } from './app.component';
+import { HeroesComponent } from './heroes/heroes.component';
+import { HeroDetailComponent } from './hero-detail/hero-detail.component';
+import { MessagesComponent } from './messages/messages.component';
+import { AppRoutingModule } from './app-routing.module';
+import { DashboardComponent } from './dashboard/dashboard.component';
+
+@NgModule({
+  declarations: [
+    AppComponent,
+    HeroesComponent,
+    HeroDetailComponent,
+    MessagesComponent,
+    DashboardComponent
+  ],
+  imports: [
+    BrowserModule,
+    FormsModule,
+    AppRoutingModule
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule { }

tools/app/angular-tour-of-heroes/src/app/dashboard/dashboard.component.css

@@ -0,0 +1,61 @@
+/* DashboardComponent's private CSS styles */
+[class*='col-'] {
+    float: left;
+    padding-right: 20px;
+    padding-bottom: 20px;
+  }
+  [class*='col-']:last-of-type {
+    padding-right: 0;
+  }
+  a {
+    text-decoration: none;
+  }
+  *, *::after, *::before {
+    box-sizing: border-box;
+  }
+  h3 {
+    text-align: center;
+    margin-bottom: 0;
+  }
+  h4 {
+    position: relative;
+  }
+  .grid {
+    margin: 0;
+  }
+  .col-1-4 {
+    width: 25%;
+  }
+  .module {
+    padding: 20px;
+    text-align: center;
+    color: #eee;
+    max-height: 120px;
+    min-width: 120px;
+    background-color: #3f525c;
+    border-radius: 2px;
+  }
+  .module:hover {
+    background-color: #eee;
+    cursor: pointer;
+    color: #607d8b;
+  }
+  .grid-pad {
+    padding: 10px 0;
+  }
+  .grid-pad > [class*='col-']:last-of-type {
+    padding-right: 20px;
+  }
+  @media (max-width: 600px) {
+    .module {
+      font-size: 10px;
+      max-height: 75px; }
+  }
+  @media (max-width: 1024px) {
+    .grid {
+      margin: 0;
+    }
+    .module {
+      min-width: 60px;
+    }
+  }

tools/app/angular-tour-of-heroes/src/app/dashboard/dashboard.component.html

@@ -0,0 +1,8 @@
+<h3>Top Heroes</h3>
+<div class="grid grid-pad">
+    <a *ngFor="let hero of heroes" class="col-1-4" routerLink="/detail/{{hero.id}}">
+        <div class="module hero">
+            <h4>{{hero.name}}</h4>
+        </div>
+    </a>
+</div>

tools/app/angular-tour-of-heroes/src/app/dashboard/dashboard.component.spec.ts

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

tools/app/angular-tour-of-heroes/src/app/dashboard/dashboard.component.ts

@@ -0,0 +1,23 @@
+import { Component, OnInit } from '@angular/core';
+import { Hero } from '../hero';
+import { HeroService } from '../hero.service';
+
+@Component({
+  selector: 'app-dashboard',
+  templateUrl: './dashboard.component.html',
+  styleUrls: ['./dashboard.component.css']
+})
+export class DashboardComponent implements OnInit {
+  heroes: Hero[] = [];
+
+  constructor(private heroService: HeroService) { }
+
+  ngOnInit(): void {
+    this.getHeroes();
+  }
+
+  getHeroes(): void {
+    this.heroService.getHeroes().subscribe(heroes => this.heroes = heroes.slice(1, 5));
+  }
+
+}

tools/app/angular-tour-of-heroes/src/app/hero-detail/hero-detail.component.css

@@ -0,0 +1,30 @@
+/* HeroDetailComponent's private CSS styles */
+label {
+    display: inline-block;
+    width: 3em;
+    margin: .5em 0;
+    color: #607D8B;
+    font-weight: bold;
+  }
+  input {
+    height: 2em;
+    font-size: 1em;
+    padding-left: .4em;
+  }
+  button {
+    margin-top: 20px;
+    font-family: Arial, sans-serif;
+    background-color: #eee;
+    border: none;
+    padding: 5px 10px;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  button:hover {
+    background-color: #cfd8dc;
+  }
+  button:disabled {
+    background-color: #eee;
+    color: #ccc;
+    cursor: auto;
+  }

tools/app/angular-tour-of-heroes/src/app/hero-detail/hero-detail.component.html

@@ -0,0 +1,12 @@
+<div *ngIf="hero">
+    <h2>{{hero.name | uppercase}} Details</h2>
+    <div><span>id: </span>{{hero.id}}</div>
+    <div>
+        <label>name:
+            <input [(ngModel)]="hero.name" placeholder="name"/>
+        </label>
+    </div>
+    <button (click)="goBack()">go back</button>
+    <button (click)="save()">save</button>
+</div>
+

tools/app/angular-tour-of-heroes/src/app/hero-detail/hero-detail.component.spec.ts

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

tools/app/angular-tour-of-heroes/src/app/hero-detail/hero-detail.component.ts

@@ -0,0 +1,35 @@
+import { Component, OnInit, Input } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Location } from '@angular/common';
+
+import { Hero } from '../hero';
+import { HeroService } from '../hero.service';
+
+@Component({
+  selector: 'app-hero-detail',
+  templateUrl: './hero-detail.component.html',
+  styleUrls: ['./hero-detail.component.css']
+})
+export class HeroDetailComponent implements OnInit {
+
+  @Input() hero: Hero;
+  
+  constructor(private route: ActivatedRoute, private heroService: HeroService, private location: Location) { }
+
+  ngOnInit(): void {
+    this.getHero();
+  }
+
+  getHero(): void {
+    const id = +this.route.snapshot.paramMap.get('id');
+    this.heroService.getHero(id).subscribe(hero => this.hero = hero);
+  }
+
+  goBack(): void {
+    this.location.back();
+  }
+
+  save(): void {
+    this.heroService.updateHero(this.hero).subscribe(() => this.goBack());
+  }
+}

tools/app/angular-tour-of-heroes/src/app/hero.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { HeroService } from './hero.service';
+
+describe('HeroService', () => {
+  let service: HeroService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(HeroService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

tools/app/angular-tour-of-heroes/src/app/hero.service.ts

@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import { Observable, of } from 'rxjs';
+
+import { Hero } from './hero';
+import { HEROES } from './mock-heroes';
+import { MessageService } from './message.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class HeroService {
+
+  constructor(private messageService: MessageService) { }
+
+  getHeroes(): Observable<Hero[]> {
+    this.messageService.add('HeroService: fetched heroes');
+    return of(HEROES);
+  }
+
+  getHero(id: number): Observable<Hero> {
+    this.messageService.add(`HeroService: fetch hero id=${id}`);
+    return of(HEROES.find(hero => hero.id === id));
+  }
+
+  updateHero(hero: Hero): Observable<any> {
+    this.messageService.add(`HeroService: save change: id=${hero.id}, name=${hero.name}`);
+    return of(true);
+  }
+}

tools/app/angular-tour-of-heroes/src/app/hero.ts

@@ -0,0 +1,4 @@
+export interface Hero {
+    id: number;
+    name: string;
+}

tools/app/angular-tour-of-heroes/src/app/heroes/heroes.component.css

@@ -0,0 +1,57 @@
+/* HeroesComponent's private CSS styles */
+.heroes {
+    margin: 0 0 2em 0;
+    list-style-type: none;
+    padding: 0;
+    width: 15em;
+  }
+  .heroes li {
+    cursor: pointer;
+    position: relative;
+    left: 0;
+    background-color: #EEE;
+    margin: .5em;
+    padding: .3em 0;
+    height: 1.6em;
+    border-radius: 4px;
+  }
+  .heroes li:hover {
+    color: #607D8B;
+    background-color: #DDD;
+    left: .1em;
+  }
+  .heroes li.selected {
+    background-color: #CFD8DC;
+    color: white;
+  }
+  .heroes li.selected:hover {
+    background-color: #BBD8DC;
+    color: white;
+  }
+  .heroes .badge {
+    display: inline-block;
+    font-size: small;
+    color: white;
+    padding: 0.8em 0.7em 0 0.7em;
+    background-color:#405061;
+    line-height: 1em;
+    position: relative;
+    left: -1px;
+    top: -4px;
+    height: 1.8em;
+    margin-right: .8em;
+    border-radius: 4px 0 0 4px;
+  }
+
+
+.heroes a {
+  color: #333;
+  text-decoration: none;
+  position: relative;
+  display: block;
+  width: 250px;
+}
+
+.heroes a:hover {
+  color:#607D8B;
+}

tools/app/angular-tour-of-heroes/src/app/heroes/heroes.component.html

@@ -0,0 +1,8 @@
+<h2>My Heroes</h2>
+<ul class="heroes">
+    <li *ngFor="let hero of heroes">
+        <a routerLink="/detail/{{hero.id}}">
+            <span class="badge">{{hero.id}}</span> {{hero.name}}
+        </a>
+    </li>
+</ul>

tools/app/angular-tour-of-heroes/src/app/heroes/heroes.component.spec.ts

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

tools/app/angular-tour-of-heroes/src/app/heroes/heroes.component.ts

@@ -0,0 +1,28 @@
+import { Component, OnInit } from '@angular/core';
+
+import { Hero } from '../hero';
+import { HeroService } from '../hero.service';
+import { MessageService } from '../message.service';
+
+
+@Component({
+  selector: 'app-heroes',
+  templateUrl: './heroes.component.html',
+  styleUrls: ['./heroes.component.css']
+})
+export class HeroesComponent implements OnInit {
+
+  heroes: Hero[];
+
+  selectedHero : Hero;
+
+  constructor(private heroService: HeroService, private messageService: MessageService) { }
+
+  getHeroes(): void {
+    this.heroService.getHeroes().subscribe(heroes => this.heroes = heroes);
+  }
+
+  ngOnInit(): void {
+    this.getHeroes();
+  }
+}

tools/app/angular-tour-of-heroes/src/app/message.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { MessageService } from './message.service';
+
+describe('MessageService', () => {
+  let service: MessageService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(MessageService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

tools/app/angular-tour-of-heroes/src/app/message.service.ts

@@ -0,0 +1,18 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class MessageService {
+  messages: string[] = [];
+
+  add(message: string) {
+    this.messages.push(message);
+  }
+
+  clear() {
+    this.messages = [];
+  }
+
+  constructor() { }
+}

tools/app/angular-tour-of-heroes/src/app/messages/messages.component.css

@@ -0,0 +1,20 @@
+/* MessagesComponent's private CSS styles */
+h2 {
+    color: red;
+    font-family: Arial, Helvetica, sans-serif;
+    font-weight: lighter;
+  }
+  
+  button.clear {
+    font-family: Arial, sans-serif;
+    color: #333;
+    background-color: #eee;
+    margin-bottom: 12px;
+    border: none;
+    padding: 5px 10px;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  button:hover {
+    background-color: #cfd8dc;
+  }

tools/app/angular-tour-of-heroes/src/app/messages/messages.component.html

@@ -0,0 +1,5 @@
+<div *ngIf="messageService.messages.length">
+    <h2>Messages</h2>
+    <button class="clear" (click)="messageService.clear()">clear</button>
+    <div *ngFor='let message of messageService.messages'> {{message}} </div>
+</div>

tools/app/angular-tour-of-heroes/src/app/messages/messages.component.spec.ts

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

tools/app/angular-tour-of-heroes/src/app/messages/messages.component.ts

@@ -0,0 +1,18 @@
+import { Component, OnInit } from '@angular/core';
+
+import { MessageService } from '../message.service';
+
+
+@Component({
+  selector: 'app-messages',
+  templateUrl: './messages.component.html',
+  styleUrls: ['./messages.component.css']
+})
+export class MessagesComponent implements OnInit {
+
+  constructor(public messageService: MessageService) { }
+
+  ngOnInit(): void {
+  }
+
+}

tools/app/angular-tour-of-heroes/src/app/mock-heroes.ts

@@ -0,0 +1,14 @@
+import { Hero } from './hero';
+
+export const HEROES : Hero[] = [
+    { id: 11, name: 'Dr. Nice' },
+    { id: 12, name: 'Narco' },
+    { id: 13, name: 'Bombasto' },
+    { id: 14, name: 'Celeritas' },
+    { id: 15, name: 'Magneta' },
+    { id: 16, name: 'RubberMan' },
+    { id: 17, name: 'Dynama' },
+    { id: 18, name: 'Dr. IQ' },
+    { id: 19, name: 'Magma' },
+    { id: 20, name: 'Tornado' }
+];

tools/app/angular-tour-of-heroes/src/environments/environment.prod.ts

@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};

tools/app/angular-tour-of-heroes/src/environments/environment.ts

@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.

tools/app/angular-tour-of-heroes/src/index.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>AngularTourOfHeroes</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+</head>
+<body>
+  <app-root></app-root>
+</body>
+</html>

tools/app/angular-tour-of-heroes/src/main.ts

@@ -0,0 +1,12 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule)
+  .catch(err => console.error(err));

tools/app/angular-tour-of-heroes/src/polyfills.ts

@@ -0,0 +1,63 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */

tools/app/angular-tour-of-heroes/src/styles.css

@@ -0,0 +1,25 @@
+/* You can add global styles to this file, and also import other style files */
+h1 {
+    color: #369;
+    font-family: Arial, Helvetica, sans-serif;
+    font-size: 250%;
+}
+
+h2, h3 {
+    color: #444;
+    font-family: Arial, Helvetica, sans-serif;
+    font-weight: lighter;
+}
+
+body {
+    margin: 2em;
+}
+
+body, input[type="text"], button {
+    color: #333;
+    font-family: Cambria, Georgia, serif;
+}
+
+* {
+    font-family: Arial, Helvetica, sans-serif;
+}

tools/app/angular-tour-of-heroes/src/test.ts

@@ -0,0 +1,25 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    keys(): string[];
+    <T>(id: string): T;
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);