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angular-cn/aio/content/examples/cb-dependency-injection/ts/plnkr.no-link.html

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feat(aio): copy example code from angular.io
2017-02-22 13:13:21 -05:00
<html lang="en"><head></head><body><form id="mainForm" method="post" action="http://plnkr.co/edit/?p=preview" target="_self"><input type="hidden" name="files[app/app-routing.module.ts]" value="import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
const routes: Routes = [];
@NgModule({
imports: [RouterModule.forRoot(routes)],
providers: [],
exports: [RouterModule]
})
export class AppRoutingModule {}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/app.component.ts]" value="import { Component } from '@angular/core';
import { LoggerService } from './logger.service';
import { UserContextService } from './user-context.service';
import { UserService } from './user.service';
@Component({
moduleId: module.id,
selector: 'my-app',
templateUrl: './app.component.html',
providers: [ LoggerService, UserContextService, UserService ]
})
export class AppComponent {
private userId: number = 1;
constructor(logger: LoggerService, public userContext: UserContextService) {
userContext.loadUser(this.userId);
logger.logInfo('AppComponent initialized');
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/app.module.ts]" value="import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';
// import { AppRoutingModule } from './app-routing.module';
import { LocationStrategy,
HashLocationStrategy } from '@angular/common';
import { NgModule } from '@angular/core';
import { HeroData } from './hero-data';
import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
import { AppComponent } from './app.component';
import { HeroBioComponent } from './hero-bio.component';
import { HeroBiosComponent,
HeroBiosAndContactsComponent } from './hero-bios.component';
import { HeroOfTheMonthComponent } from './hero-of-the-month.component';
import { HeroContactComponent } from './hero-contact.component';
import { HeroesBaseComponent,
SortedHeroesComponent } from './sorted-heroes.component';
import { HighlightDirective } from './highlight.directive';
import { ParentFinderComponent,
AlexComponent,
AliceComponent,
CarolComponent,
ChrisComponent,
CraigComponent,
CathyComponent,
BarryComponent,
BethComponent,
BobComponent } from './parent-finder.component';
const declarations = [
AppComponent,
HeroBiosComponent, HeroBiosAndContactsComponent, HeroBioComponent,
HeroesBaseComponent, SortedHeroesComponent,
HeroOfTheMonthComponent, HeroContactComponent,
HighlightDirective,
ParentFinderComponent,
];
const a_components = [AliceComponent, AlexComponent ];
const b_components = [ BarryComponent, BethComponent, BobComponent ];
const c_components = [
CarolComponent, ChrisComponent, CraigComponent,
CathyComponent
];
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule,
InMemoryWebApiModule.forRoot(HeroData)
// AppRoutingModule TODO: add routes
],
declarations: [
declarations,
a_components,
b_components,
c_components,
],
bootstrap: [ AppComponent ],
providers: [
{ provide: LocationStrategy, useClass: HashLocationStrategy }
]
})
export class AppModule { }
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/date-logger.service.ts]" value="/* tslint:disable:one-line:check-open-brace*/
import { Injectable } from '@angular/core';
import { LoggerService } from './logger.service';
// class used as a restricting interface (hides other public members)
export abstract class MinimalLogger {
logInfo: (msg: string) => void;
logs: string[];
}
/*
// Transpiles to:
var MinimalLogger = (function () {
function MinimalLogger() {}
return MinimalLogger;
}());
exports(&quot;MinimalLogger&quot;, MinimalLogger);
*/
@Injectable()
export class DateLoggerService extends LoggerService implements MinimalLogger
{
logInfo(msg: any) { super.logInfo(stamp(msg)); }
logDebug(msg: any) { super.logInfo(stamp(msg)); }
logError(msg: any) { super.logError(stamp(msg)); }
}
function stamp(msg: any) { return msg + ' at ' + new Date(); }
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-bio.component.ts]" value="import { Component, Input, OnInit } from '@angular/core';
import { HeroCacheService } from './hero-cache.service';
@Component({
selector: 'hero-bio',
template: `
<h4>{{hero.name}}</h4>
<ng-content></ng-content>
<textarea cols=&quot;25&quot; [(ngModel)]=&quot;hero.description&quot;></textarea>`,
providers: [HeroCacheService]
})
export class HeroBioComponent implements OnInit {
@Input() heroId: number;
constructor(private heroCache: HeroCacheService) { }
ngOnInit() { this.heroCache.fetchCachedHero(this.heroId); }
get hero() { return this.heroCache.hero; }
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-bios.component.ts]" value="import { Component } from '@angular/core';
import { HeroService } from './hero.service';
import { LoggerService } from './logger.service';
//////// HeroBiosComponent ////
@Component({
selector: 'hero-bios',
template: `
<hero-bio [heroId]=&quot;1&quot;></hero-bio>
<hero-bio [heroId]=&quot;2&quot;></hero-bio>
<hero-bio [heroId]=&quot;3&quot;></hero-bio>`,
providers: [HeroService]
})
export class HeroBiosComponent {
constructor(logger: LoggerService) {
logger.logInfo('Creating HeroBiosComponent');
}
}
//////// HeroBiosAndContactsComponent ////
@Component({
selector: 'hero-bios-and-contacts',
template: `
<hero-bio [heroId]=&quot;1&quot;> <hero-contact></hero-contact> </hero-bio>
<hero-bio [heroId]=&quot;2&quot;> <hero-contact></hero-contact> </hero-bio>
<hero-bio [heroId]=&quot;3&quot;> <hero-contact></hero-contact> </hero-bio>`,
providers: [HeroService]
})
export class HeroBiosAndContactsComponent {
constructor(logger: LoggerService) {
logger.logInfo('Creating HeroBiosAndContactsComponent');
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-cache.service.ts]" value="import { Injectable } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service';
@Injectable()
export class HeroCacheService {
hero: Hero;
constructor(private heroService: HeroService) {}
fetchCachedHero(id: number) {
if (!this.hero) {
this.hero = this.heroService.getHeroById(id);
}
return this.hero;
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-contact.component.ts]" value="import { Component, Host, Optional } from '@angular/core';
import { HeroCacheService } from './hero-cache.service';
import { LoggerService } from './logger.service';
@Component({
selector: 'hero-contact',
template: `
<div>Phone #: {{phoneNumber}}
<span *ngIf=&quot;hasLogger&quot;>!!!</span></div>`
})
export class HeroContactComponent {
hasLogger = false;
constructor(
@Host() // limit to the host component's instance of the HeroCacheService
private heroCache: HeroCacheService,
@Host() // limit search for logger; hides the application-wide logger
@Optional() // ok if the logger doesn't exist
private loggerService: LoggerService
) {
if (loggerService) {
this.hasLogger = true;
loggerService.logInfo('HeroContactComponent can log!');
}
}
get phoneNumber() { return this.heroCache.hero.phone; }
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-data.ts]" value="import { Hero } from './hero';
export class HeroData {
createDb() {
let heroes = [
new Hero(1, 'Windstorm'),
new Hero(2, 'Bombasto'),
new Hero(3, 'Magneta'),
new Hero(4, 'Tornado')
];
return {heroes};
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero-of-the-month.component.ts]" value="/* tslint:disable:one-line:check-open-brace*/
import { OpaqueToken } from '@angular/core';
export const TITLE = new OpaqueToken('title');
import { Component, Inject } from '@angular/core';
import { DateLoggerService,
MinimalLogger } from './date-logger.service';
import { Hero } from './hero';
import { HeroService } from './hero.service';
import { LoggerService } from './logger.service';
import { RUNNERS_UP,
runnersUpFactory } from './runners-up';
const someHero = new Hero(42, 'Magma', 'Had a great month!', '555-555-5555');
const template = `
<h3>{{title}}</h3>
<div>Winner: <strong>{{heroOfTheMonth.name}}</strong></div>
<div>Reason for award: <strong>{{heroOfTheMonth.description}}</strong></div>
<div>Runners-up: <strong id=&quot;rups1&quot;>{{runnersUp}}</strong></div>
<p>Logs:</p>
<div id=&quot;logs&quot;>
<div *ngFor=&quot;let log of logs&quot;>{{log}}</div>
</div>
`;
@Component({
selector: 'hero-of-the-month',
template: template,
providers: [
{ provide: Hero, useValue: someHero },
{ provide: TITLE, useValue: 'Hero of the Month' },
{ provide: HeroService, useClass: HeroService },
{ provide: LoggerService, useClass: DateLoggerService },
{ provide: MinimalLogger, useExisting: LoggerService },
{ provide: RUNNERS_UP, useFactory: runnersUpFactory(2), deps: [Hero, HeroService] }
]
})
export class HeroOfTheMonthComponent {
logs: string[] = [];
constructor(
logger: MinimalLogger,
public heroOfTheMonth: Hero,
@Inject(RUNNERS_UP) public runnersUp: string,
@Inject(TITLE) public title: string)
{
this.logs = logger.logs;
logger.logInfo('starting up');
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero.service.ts]" value="import { Injectable } from '@angular/core';
import { Hero } from './hero';
@Injectable()
export class HeroService {
// TODO move to database
private heroes: Array<Hero> = [
new Hero(1, 'RubberMan', 'Hero of many talents', '123-456-7899'),
new Hero(2, 'Magma', 'Hero of all trades', '555-555-5555'),
new Hero(3, 'Mr. Nice', 'The name says it all', '111-222-3333')
];
getHeroById(id: number): Hero {
return this.heroes.find(hero => hero.id === id);
}
getAllHeroes(): Array<Hero> {
return this.heroes;
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/hero.ts]" value="export class Hero {
constructor(
public id: number,
public name: string,
public description?: string,
public phone?: string) {
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/highlight.directive.ts]" value="import { Directive, ElementRef, HostListener, Input } from '@angular/core';
@Directive({
selector: '[myHighlight]'
})
export class HighlightDirective {
@Input('myHighlight') highlightColor: string;
private el: HTMLElement;
constructor(el: ElementRef) {
this.el = el.nativeElement;
}
@HostListener('mouseenter') onMouseEnter() {
this.highlight(this.highlightColor || 'cyan');
}
@HostListener('mouseleave') onMouseLeave() {
this.highlight(null);
}
private highlight(color: string) {
this.el.style.backgroundColor = color;
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/logger.service.ts]" value="import { Injectable } from '@angular/core';
@Injectable()
export class LoggerService {
logs: string[] = [];
logInfo(msg: any) { this.log(`INFO: ${msg}`); }
logDebug(msg: any) { this.log(`DEBUG: ${msg}`); }
logError(msg: any) { this.log(`ERROR: ${msg}`, true); }
private log(msg: any, isErr = false) {
this.logs.push(msg);
isErr ? console.error(msg) : console.log(msg);
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/parent-finder.component.ts]" value="/* tslint:disable:no-unused-variable component-selector-name one-line check-open-brace */
/* tslint:disable:*/
import { Component, forwardRef, Optional, SkipSelf } from '@angular/core';
// A component base class (see AlexComponent)
export abstract class Base { name = 'Count Basie'; }
// Marker class, used as an interface
export abstract class Parent { name: string; }
const DifferentParent = Parent;
// Helper method to provide the current component instance in the name of a `parentType`.
// The `parentType` defaults to `Parent` when omitting the second parameter.
const provideParent =
(component: any, parentType?: any) => {
return { provide: parentType || Parent, useExisting: forwardRef(() => component) };
};
// Simpler syntax version that always provides the component in the name of `Parent`.
const provideTheParent =
(component: any) => {
return { provide: Parent, useExisting: forwardRef(() => component) };
};
///////// C - Child //////////
const templateC = `
<div class=&quot;c&quot;>
<h3>{{name}}</h3>
<p>My parent is {{parent?.name}}</p>
</div>`;
@Component({
selector: 'carol',
template: templateC
})
export class CarolComponent {
name= 'Carol';
constructor( @Optional() public parent: Parent ) { }
}
@Component({
selector: 'chris',
template: templateC
})
export class ChrisComponent {
name= 'Chris';
constructor( @Optional() public parent: Parent ) { }
}
////// Craig ///////////
/**
* Show we cannot inject a parent by its base class.
*/
@Component({
selector: 'craig',
template: `
<div class=&quot;c&quot;>
<h3>Craig</h3>
{{alex ? 'Found' : 'Did not find'}} Alex via the base class.
</div>`
})
export class CraigComponent {
constructor( @Optional() public alex: Base ) { }
}
//////// B - Parent /////////
const templateB = `
<div class=&quot;b&quot;>
<div>
<h3>{{name}}</h3>
<p>My parent is {{parent?.name}}</p>
</div>
<carol></carol>
<chris></chris>
</div>`;
@Component({
selector: 'barry',
template: templateB,
providers: [{ provide: Parent, useExisting: forwardRef(() => BarryComponent) }]
})
export class BarryComponent implements Parent {
name = 'Barry';
constructor( @SkipSelf() @Optional() public parent: Parent ) { }
}
@Component({
selector: 'bob',
template: templateB,
providers: [ provideParent(BobComponent) ]
})
export class BobComponent implements Parent {
name= 'Bob';
constructor( @SkipSelf() @Optional() public parent: Parent ) { }
}
@Component({
selector: 'beth',
template: templateB,
providers: [ provideParent(BethComponent, DifferentParent) ]
})
export class BethComponent implements Parent {
name= 'Beth';
constructor( @SkipSelf() @Optional() public parent: Parent ) { }
}
///////// A - Grandparent //////
@Component({
selector: 'alex',
template: `
<div class=&quot;a&quot;>
<h3>{{name}}</h3>
<cathy></cathy>
<craig></craig>
<carol></carol>
</div>`,
providers: [{ provide: Parent, useExisting: forwardRef(() => AlexComponent) }],
})
// Todo: Add `... implements Parent` to class signature
export class AlexComponent extends Base
{
name= 'Alex';
}
/////
@Component({
selector: 'alice',
template: `
<div class=&quot;a&quot;>
<h3>{{name}}</h3>
<barry></barry>
<beth></beth>
<bob></bob>
<carol></carol>
</div> `,
providers: [ provideParent(AliceComponent) ]
})
export class AliceComponent implements Parent
{
name= 'Alice';
}
////// Cathy ///////////
/**
* Show we can inject a parent by component type
*/
@Component({
selector: 'cathy',
template: `
<div class=&quot;c&quot;>
<h3>Cathy</h3>
{{alex ? 'Found' : 'Did not find'}} Alex via the component class.<br>
</div>`
})
export class CathyComponent {
constructor( @Optional() public alex: AlexComponent ) { }
}
///////// ParentFinder //////
@Component({
selector: 'parent-finder',
template: `
<h2>Parent Finder</h2>
<alex></alex>
<alice></alice>`
})
export class ParentFinderComponent { }
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/runners-up.ts]" value="import { OpaqueToken } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service';
export const RUNNERS_UP = new OpaqueToken('RunnersUp');
export function runnersUpFactory(take: number) {
return (winner: Hero, heroService: HeroService): string => {
/* ... */
return heroService
.getAllHeroes()
.filter((hero) => hero.name !== winner.name)
.map(hero => hero.name)
.slice(0, Math.max(0, take))
.join(', ');
};
};
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/sorted-heroes.component.ts]" value="import { Component, OnInit } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service';
/////// HeroesBaseComponent /////
@Component({
selector: 'unsorted-heroes',
template: `<div *ngFor=&quot;let hero of heroes&quot;>{{hero.name}}</div>`,
providers: [HeroService]
})
export class HeroesBaseComponent implements OnInit {
constructor(private heroService: HeroService) { }
heroes: Array<Hero>;
ngOnInit() {
this.heroes = this.heroService.getAllHeroes();
this.afterGetHeroes();
}
// Post-process heroes in derived class override.
protected afterGetHeroes() {}
}
/////// SortedHeroesComponent /////
@Component({
selector: 'sorted-heroes',
template: `<div *ngFor=&quot;let hero of heroes&quot;>{{hero.name}}</div>`,
providers: [HeroService]
})
export class SortedHeroesComponent extends HeroesBaseComponent {
constructor(heroService: HeroService) {
super(heroService);
}
protected afterGetHeroes() {
this.heroes = this.heroes.sort((h1, h2) => {
return h1.name < h2.name ? -1 :
(h1.name > h2.name ? 1 : 0);
});
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/user-context.service.ts]" value="import { Injectable } from '@angular/core';
import { LoggerService } from './logger.service';
import { UserService } from './user.service';
@Injectable()
export class UserContextService {
name: string;
role: string;
loggedInSince: Date;
constructor(private userService: UserService, private loggerService: LoggerService) {
this.loggedInSince = new Date();
}
loadUser(userId: number) {
let user = this.userService.getUserById(userId);
this.name = user.name;
this.role = user.role;
this.loggerService.logDebug('loaded User');
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/user.service.ts]" value="import { Injectable } from '@angular/core';
@Injectable()
export class UserService {
getUserById(userId: number): any {
return {name: 'Bombasto', role: 'Admin'};
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[main.ts]" value="import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[sample.css]" value=".di-component{
padding: 10px;
width:300px;
margin-bottom: 10px;
}
div[myHighlight] {
padding: 2px 8px;
}
/* Parent Finder */
.a, .b, .c {
margin: 6px 2px 6px;
padding: 4px 6px;
}
.a {
border: solid 2px black;
}
.b {
background: lightblue;
border: solid 1px darkblue;
display: flex;
}
.c {
background: pink;
border: solid 1px red;
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[styles.css]" value="/* Master Styles */
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[text], button {
color: #888;
font-family: Cambria, Georgia;
}
a {
cursor: pointer;
cursor: hand;
}
button {
font-family: Arial;
background-color: #eee;
border: none;
padding: 5px 10px;
border-radius: 4px;
cursor: pointer;
cursor: hand;
}
button:hover {
background-color: #cfd8dc;
}
button:disabled {
background-color: #eee;
color: #aaa;
cursor: auto;
}
/* Navigation link styles */
nav a {
padding: 5px 10px;
text-decoration: none;
margin-right: 10px;
margin-top: 10px;
display: inline-block;
background-color: #eee;
border-radius: 4px;
}
nav a:visited, a:link {
color: #607D8B;
}
nav a:hover {
color: #039be5;
background-color: #CFD8DC;
}
nav a.active {
color: #039be5;
}
/* items class */
.items {
margin: 0 0 2em 0;
list-style-type: none;
padding: 0;
width: 24em;
}
.items li {
cursor: pointer;
position: relative;
left: 0;
background-color: #EEE;
margin: .5em;
padding: .3em 0;
height: 1.6em;
border-radius: 4px;
}
.items li:hover {
color: #607D8B;
background-color: #DDD;
left: .1em;
}
.items li.selected {
background-color: #CFD8DC;
color: white;
}
.items li.selected:hover {
background-color: #BBD8DC;
}
.items .text {
position: relative;
top: -3px;
}
.items .badge {
display: inline-block;
font-size: small;
color: white;
padding: 0.8em 0.7em 0 0.7em;
background-color: #607D8B;
line-height: 1em;
position: relative;
left: -1px;
top: -4px;
height: 1.8em;
margin-right: .8em;
border-radius: 4px 0 0 4px;
}
/* everywhere else */
* {
font-family: Arial, Helvetica, sans-serif;
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/app.component.html]" value="<h1>DI Cookbook</h1>
<div class=&quot;di-component&quot;>
<h3>Logged in user</h3>
<div>Name: {{userContext.name}}</div>
<div>Role: {{userContext.role}}</div>
</div>
<div class=&quot;di-component&quot;>
<h3>Hero Bios</h3>
<hero-bios></hero-bios>
</div>
<div id=&quot;highlight&quot; class=&quot;di-component&quot; myHighlight>
<h3>Hero Bios and Contacts</h3>
<div myHighlight=&quot;yellow&quot;>
<hero-bios-and-contacts></hero-bios-and-contacts>
</div>
</div>
<div class=&quot;di-component&quot;>
<hero-of-the-month></hero-of-the-month>
</div>
<div class=&quot;di-component&quot;>
<h3>Unsorted Heroes</h3>
<unsorted-heroes></unsorted-heroes>
</div>
<div class=&quot;di-component&quot;>
<h3>Sorted Heroes</h3>
<sorted-heroes></sorted-heroes>
</div>
<div class=&quot;di-component&quot;>
<parent-finder></parent-finder>
</div>
<!--
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->"><input type="hidden" name="files[index.html]" value="<!DOCTYPE html>
<html>
<head>
<script>document.write('<base href=&quot;' + document.location + '&quot; />');</script>
<meta charset=&quot;UTF-8&quot;>
<title>Dependency Injection</title>
<meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;>
<link rel=&quot;stylesheet&quot; href=&quot;styles.css&quot;>
<link rel=&quot;stylesheet&quot; href=&quot;sample.css&quot;>
<!-- Polyfills -->
<script src=&quot;https://unpkg.com/core-js/client/shim.min.js&quot;></script>
<script src=&quot;https://unpkg.com/zone.js@0.7.4?main=browser&quot;></script>
<script src=&quot;https://unpkg.com/systemjs@0.19.39/dist/system.src.js&quot;></script>
<script src=&quot;https://cdn.rawgit.com/angular/angular.io/b3c65a9/public/docs/_examples/_boilerplate/systemjs.config.web.js&quot;></script>
<script>
System.import('main.js').catch(function(err){ console.error(err); });
</script>
</head>
<body>
<my-app>Loading app...</my-app>
</body>
</html>
<!--
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->"><input type="hidden" name="tags[0]" value="angular"><input type="hidden" name="tags[1]" value="example"><input type="hidden" name="tags[2]" value="cookbook"><input type="hidden" name="private" value="true"><input type="hidden" name="description" value="Angular Example - Dependency Injection"></form><script>document.getElementById("mainForm").submit();</script></body></html>