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feat(aio): copy example code from angular.io

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This commit is contained in:
Peter Bacon Darwin
2017-02-22 18:13:21 +00:00
committed by Igor Minar
parent 3e34ba01bd
commit 1f3198cb50
1704 changed files with 86472 additions and 7 deletions
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0
aio/content/examples/server-communication/ts/example-config.json Normal file
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aio/content/examples/server-communication/ts/plnkr.json Normal file
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{
"description": "Http",
"basePath": "src/",
"files":[
"!**/*.d.ts",
"!**/*.js",
"!**/*.[1].*"
],
"tags": ["http", "jsonp"]
}

610
aio/content/examples/server-communication/ts/plnkr.no-link.html Normal file
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<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.component.ts]" value="import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `
<hero-list></hero-list>
<hero-list-promise></hero-list-promise>
<my-wiki></my-wiki>
<my-wiki-smart></my-wiki-smart>
`
})
export class AppComponent { }
/*
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 { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpModule, JsonpModule } from '@angular/http';
import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
import { HeroData } from './hero-data';
import { requestOptionsProvider } from './default-request-options.service';
import { AppComponent } from './app.component';
import { HeroListComponent } from './toh/hero-list.component';
import { HeroListPromiseComponent } from './toh/hero-list.component.promise';
import { WikiComponent } from './wiki/wiki.component';
import { WikiSmartComponent } from './wiki/wiki-smart.component';
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule,
JsonpModule,
InMemoryWebApiModule.forRoot(HeroData)
],
declarations: [
AppComponent,
HeroListComponent,
HeroListPromiseComponent,
WikiComponent,
WikiSmartComponent
],
providers: [ requestOptionsProvider ],
bootstrap: [ AppComponent ]
})
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/default-request-options.service.ts]" value="import { Injectable } from '@angular/core';
import { BaseRequestOptions, RequestOptions } from '@angular/http';
@Injectable()
export class DefaultRequestOptions extends BaseRequestOptions {
constructor() {
super();
// Set the default 'Content-Type' header
this.headers.set('Content-Type', 'application/json');
}
}
export const requestOptionsProvider = { provide: RequestOptions, useClass: DefaultRequestOptions };
/*
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 { InMemoryDbService } from 'angular-in-memory-web-api';
export class HeroData implements InMemoryDbService {
createDb() {
let heroes = [
{ id: 1, name: 'Windstorm' },
{ id: 2, name: 'Bombasto' },
{ id: 3, name: 'Magneta' },
{ id: 4, name: '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/toh/hero-list.component.promise.ts]" value="// Promise Version
import { Component, OnInit } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service.promise';
@Component({
selector: 'hero-list-promise',
moduleId: module.id,
templateUrl: './hero-list.component.html',
providers: [ HeroService ],
styles: ['.error {color:red;}']
})
export class HeroListPromiseComponent implements OnInit {
errorMessage: string;
heroes: Hero[];
mode = 'Promise';
constructor (private heroService: HeroService) {}
ngOnInit() { this.getHeroes(); }
getHeroes() {
this.heroService.getHeroes()
.then(
heroes => this.heroes = heroes,
error => this.errorMessage = <any>error);
}
addHero (name: string) {
if (!name) { return; }
this.heroService.addHero(name)
.then(
hero => this.heroes.push(hero),
error => this.errorMessage = <any>error);
}
}
/*
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/toh/hero-list.component.ts]" value="// Observable Version
import { Component, OnInit } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service';
@Component({
moduleId: module.id,
selector: 'hero-list',
templateUrl: './hero-list.component.html',
providers: [ HeroService ],
styles: ['.error {color:red;}']
})
export class HeroListComponent implements OnInit {
errorMessage: string;
heroes: Hero[];
mode = 'Observable';
constructor (private heroService: HeroService) {}
ngOnInit() { this.getHeroes(); }
getHeroes() {
this.heroService.getHeroes()
.subscribe(
heroes => this.heroes = heroes,
error => this.errorMessage = <any>error);
}
addHero (name: string) {
if (!name) { return; }
this.heroService.addHero(name)
.subscribe(
hero => this.heroes.push(hero),
error => this.errorMessage = <any>error);
}
}
/*
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/toh/hero.service.promise.ts]" value="// Promise Version
import { Injectable } from '@angular/core';
import { Http, Response } from '@angular/http';
import { Headers, RequestOptions } from '@angular/http';
import 'rxjs/add/operator/toPromise';
import { Hero } from './hero';
@Injectable()
export class HeroService {
// URL to web api
private heroesUrl = 'app/heroes';
constructor (private http: Http) {}
getHeroes (): Promise<Hero[]> {
return this.http.get(this.heroesUrl)
.toPromise()
.then(this.extractData)
.catch(this.handleError);
}
addHero (name: string): Promise<Hero> {
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(this.heroesUrl, { name }, options)
.toPromise()
.then(this.extractData)
.catch(this.handleError);
}
private extractData(res: Response) {
let body = res.json();
return body.data || { };
}
private handleError (error: Response | any) {
// In a real world app, we might use a remote logging infrastructure
let errMsg: string;
if (error instanceof Response) {
const body = error.json() || '';
const err = body.error || JSON.stringify(body);
errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
} else {
errMsg = error.message ? error.message : error.toString();
}
console.error(errMsg);
return Promise.reject(errMsg);
}
}
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/"><input type="hidden" name="files[app/toh/hero.service.ts]" value="// Observable Version
import { Injectable } from '@angular/core';
import { Http, Response } from '@angular/http';
import { Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import { Hero } from './hero';
@Injectable()
export class HeroService {
private heroesUrl = 'app/heroes'; // URL to web API
constructor (private http: Http) {}
getHeroes (): Observable<Hero[]> {
return this.http.get(this.heroesUrl)
.map(this.extractData)
.catch(this.handleError);
}
addHero (name: string): Observable<Hero> {
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(this.heroesUrl, { name }, options)
.map(this.extractData)
.catch(this.handleError);
}
private extractData(res: Response) {
let body = res.json();
return body.data || { };
}
private handleError (error: Response | any) {
// In a real world app, we might use a remote logging infrastructure
let errMsg: string;
if (error instanceof Response) {
const body = error.json() || '';
const err = body.error || JSON.stringify(body);
errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
} else {
errMsg = error.message ? error.message : error.toString();
}
console.error(errMsg);
return Observable.throw(errMsg);
}
}
/*
private heroesUrl = 'app/heroes.json'; // URL to JSON file
*/
/*
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/toh/hero.ts]" value="export class Hero {
constructor(
public id: number,
public name: 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/wiki/wiki-smart.component.ts]" value="/* tslint:disable: member-ordering forin */
import { Component, OnInit } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/distinctUntilChanged';
import 'rxjs/add/operator/switchMap';
import { Subject } from 'rxjs/Subject';
import { WikipediaService } from './wikipedia.service';
@Component({
moduleId: module.id,
selector: 'my-wiki-smart',
template: `
<h1>Smarter Wikipedia Demo</h1>
<p>Search when typing stops</p>
<input #term (keyup)=&quot;search(term.value)&quot;/>
<ul>
<li *ngFor=&quot;let item of items | async&quot;>{{item}}</li>
</ul>`,
providers: [ WikipediaService ]
})
export class WikiSmartComponent implements OnInit {
items: Observable<string[]>;
constructor (private wikipediaService: WikipediaService) {}
private searchTermStream = new Subject<string>();
search(term: string) { this.searchTermStream.next(term); }
ngOnInit() {
this.items = this.searchTermStream
.debounceTime(300)
.distinctUntilChanged()
.switchMap((term: string) => this.wikipediaService.search(term));
}
}
/*
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/wiki/wiki.component.ts]" value="import { Component } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import { WikipediaService } from './wikipedia.service';
@Component({
selector: 'my-wiki',
template: `
<h1>Wikipedia Demo</h1>
<p>Search after each keystroke</p>
<input #term (keyup)=&quot;search(term.value)&quot;/>
<ul>
<li *ngFor=&quot;let item of items | async&quot;>{{item}}</li>
</ul>`,
providers: [ WikipediaService ]
})
export class WikiComponent {
items: Observable<string[]>;
constructor (private wikipediaService: WikipediaService) { }
search (term: string) {
this.items = this.wikipediaService.search(term);
}
}
/*
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/wiki/wikipedia.service.ts]" value="import { Injectable } from '@angular/core';
import { Jsonp, URLSearchParams } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class WikipediaService {
constructor(private jsonp: Jsonp) {}
search (term: string) {
let wikiUrl = 'http://en.wikipedia.org/w/api.php';
let params = new URLSearchParams();
params.set('search', term); // the user's search value
params.set('action', 'opensearch');
params.set('format', 'json');
params.set('callback', 'JSONP_CALLBACK');
// TODO: Add error handling
return this.jsonp
.get(wikiUrl, { search: params })
.map(response => <string[]> response.json()[1]);
}
}
/*
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[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/toh/hero-list.component.html]" value="<h1>Tour of Heroes ({{mode}})</h1>
<h3>Heroes:</h3>
<ul>
<li *ngFor=&quot;let hero of heroes&quot;>{{hero.name}}</li>
</ul>
<label>New hero name: <input #newHeroName /></label>
<button (click)=&quot;addHero(newHeroName.value); newHeroName.value=''&quot;>Add Hero</button>
<p class=&quot;error&quot; *ngIf=&quot;errorMessage&quot;>{{errorMessage}}</p>
<!--
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>
<title>Angular Http Demo</title>
<script>document.write('<base href=&quot;' + document.location + '&quot; />');</script>
<meta charset=&quot;UTF-8&quot;>
<meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;>
<link rel=&quot;stylesheet&quot; href=&quot;styles.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...</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="files[app/heroes.json]" value="{
&quot;data&quot;: [
{ &quot;id&quot;: 1, &quot;name&quot;: &quot;Windstorm&quot; },
{ &quot;id&quot;: 2, &quot;name&quot;: &quot;Bombasto&quot; },
{ &quot;id&quot;: 3, &quot;name&quot;: &quot;Magneta&quot; },
{ &quot;id&quot;: 4, &quot;name&quot;: &quot;Tornado&quot; }
]
}
"><input type="hidden" name="tags[0]" value="angular"><input type="hidden" name="tags[1]" value="example"><input type="hidden" name="tags[2]" value="http"><input type="hidden" name="tags[3]" value="jsonp"><input type="hidden" name="private" value="true"><input type="hidden" name="description" value="Angular Example - Http"></form><script>document.getElementById("mainForm").submit();</script></body></html>

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aio/content/examples/server-communication/ts/src/app/app.component.ts Normal file
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// #docregion
import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `
<hero-list></hero-list>
<hero-list-promise></hero-list-promise>
<my-wiki></my-wiki>
<my-wiki-smart></my-wiki-smart>
`
})
export class AppComponent { }

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aio/content/examples/server-communication/ts/src/app/app.module.1.ts Normal file
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// #docregion
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpModule, JsonpModule } from '@angular/http';
import { AppComponent } from './app.component';
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule,
JsonpModule
],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule {
}

46
aio/content/examples/server-communication/ts/src/app/app.module.ts Normal file
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// #docplaster
// #docregion
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpModule, JsonpModule } from '@angular/http';
import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
import { HeroData } from './hero-data';
import { requestOptionsProvider } from './default-request-options.service';
import { AppComponent } from './app.component';
import { HeroListComponent } from './toh/hero-list.component';
import { HeroListPromiseComponent } from './toh/hero-list.component.promise';
import { WikiComponent } from './wiki/wiki.component';
import { WikiSmartComponent } from './wiki/wiki-smart.component';
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule,
JsonpModule,
// #docregion in-mem-web-api
InMemoryWebApiModule.forRoot(HeroData)
// #enddocregion in-mem-web-api
],
declarations: [
AppComponent,
HeroListComponent,
HeroListPromiseComponent,
WikiComponent,
WikiSmartComponent
],
// #docregion provide-default-request-options
providers: [ requestOptionsProvider ],
// #enddocregion provide-default-request-options
bootstrap: [ AppComponent ]
})
export class AppModule {}

16
aio/content/examples/server-communication/ts/src/app/default-request-options.service.ts Normal file
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// #docregion
import { Injectable } from '@angular/core';
import { BaseRequestOptions, RequestOptions } from '@angular/http';
@Injectable()
export class DefaultRequestOptions extends BaseRequestOptions {
constructor() {
super();
// Set the default 'Content-Type' header
this.headers.set('Content-Type', 'application/json');
}
}
export const requestOptionsProvider = { provide: RequestOptions, useClass: DefaultRequestOptions };

13
aio/content/examples/server-communication/ts/src/app/hero-data.ts Normal file
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@ -0,0 +1,13 @@
// #docregion
import { InMemoryDbService } from 'angular-in-memory-web-api';
export class HeroData implements InMemoryDbService {
createDb() {
let heroes = [
{ id: 1, name: 'Windstorm' },
{ id: 2, name: 'Bombasto' },
{ id: 3, name: 'Magneta' },
{ id: 4, name: 'Tornado' }
];
return {heroes};
}
}

8
aio/content/examples/server-communication/ts/src/app/heroes.json Normal file
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@ -0,0 +1,8 @@
{
"data": [
{ "id": 1, "name": "Windstorm" },
{ "id": 2, "name": "Bombasto" },
{ "id": 3, "name": "Magneta" },
{ "id": 4, "name": "Tornado" }
]
}

11
aio/content/examples/server-communication/ts/src/app/toh/hero-list.component.html Normal file
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@ -0,0 +1,11 @@
<!-- #docregion -->
<h1>Tour of Heroes ({{mode}})</h1>
<h3>Heroes:</h3>
<ul>
<li *ngFor="let hero of heroes">{{hero.name}}</li>
</ul>
<label>New hero name: <input #newHeroName /></label>
<button (click)="addHero(newHeroName.value); newHeroName.value=''">Add Hero</button>
<p class="error" *ngIf="errorMessage">{{errorMessage}}</p>

41
aio/content/examples/server-communication/ts/src/app/toh/hero-list.component.promise.ts Normal file
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// #docregion
// Promise Version
import { Component, OnInit } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service.promise';
@Component({
selector: 'hero-list-promise',
moduleId: module.id,
templateUrl: './hero-list.component.html',
providers: [ HeroService ],
styles: ['.error {color:red;}']
})
// #docregion component
export class HeroListPromiseComponent implements OnInit {
errorMessage: string;
heroes: Hero[];
mode = 'Promise';
constructor (private heroService: HeroService) {}
ngOnInit() { this.getHeroes(); }
// #docregion methods
getHeroes() {
this.heroService.getHeroes()
.then(
heroes => this.heroes = heroes,
error => this.errorMessage = <any>error);
}
addHero (name: string) {
if (!name) { return; }
this.heroService.addHero(name)
.then(
hero => this.heroes.push(hero),
error => this.errorMessage = <any>error);
}
// #enddocregion methods
}
// #enddocregion component

45
aio/content/examples/server-communication/ts/src/app/toh/hero-list.component.ts Normal file
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// #docregion
// Observable Version
import { Component, OnInit } from '@angular/core';
import { Hero } from './hero';
import { HeroService } from './hero.service';
@Component({
moduleId: module.id,
selector: 'hero-list',
templateUrl: './hero-list.component.html',
providers: [ HeroService ],
styles: ['.error {color:red;}']
})
// #docregion component
export class HeroListComponent implements OnInit {
errorMessage: string;
heroes: Hero[];
mode = 'Observable';
constructor (private heroService: HeroService) {}
ngOnInit() { this.getHeroes(); }
// #docregion methods
// #docregion getHeroes
getHeroes() {
this.heroService.getHeroes()
.subscribe(
heroes => this.heroes = heroes,
error => this.errorMessage = <any>error);
}
// #enddocregion getHeroes
// #docregion addHero
addHero (name: string) {
if (!name) { return; }
this.heroService.addHero(name)
.subscribe(
hero => this.heroes.push(hero),
error => this.errorMessage = <any>error);
}
// #enddocregion addHero
// #enddocregion methods
}
// #enddocregion component

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// #docplaster
// #docregion
// Promise Version
import { Injectable } from '@angular/core';
import { Http, Response } from '@angular/http';
import { Headers, RequestOptions } from '@angular/http';
// #docregion rxjs-imports
import 'rxjs/add/operator/toPromise';
// #enddocregion rxjs-imports
import { Hero } from './hero';
@Injectable()
export class HeroService {
// URL to web api
private heroesUrl = 'app/heroes';
constructor (private http: Http) {}
// #docregion methods
getHeroes (): Promise<Hero[]> {
return this.http.get(this.heroesUrl)
.toPromise()
.then(this.extractData)
.catch(this.handleError);
}
addHero (name: string): Promise<Hero> {
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(this.heroesUrl, { name }, options)
.toPromise()
.then(this.extractData)
.catch(this.handleError);
}
private extractData(res: Response) {
let body = res.json();
return body.data || { };
}
private handleError (error: Response | any) {
// In a real world app, we might use a remote logging infrastructure
let errMsg: string;
if (error instanceof Response) {
const body = error.json() || '';
const err = body.error || JSON.stringify(body);
errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
} else {
errMsg = error.message ? error.message : error.toString();
}
console.error(errMsg);
return Promise.reject(errMsg);
}
// #enddocregion methods
}
// #enddocregion

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// #docplaster
// #docregion
// Observable Version
// #docregion v1
import { Injectable } from '@angular/core';
import { Http, Response } from '@angular/http';
// #enddocregion v1
// #docregion import-request-options
import { Headers, RequestOptions } from '@angular/http';
// #enddocregion import-request-options
// #docregion v1
// #docregion rxjs-imports
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
// #enddocregion rxjs-imports
import { Hero } from './hero';
@Injectable()
export class HeroService {
// #docregion endpoint
private heroesUrl = 'app/heroes'; // URL to web API
// #enddocregion endpoint
// #docregion ctor
constructor (private http: Http) {}
// #enddocregion ctor
// #docregion methods, error-handling, http-get
getHeroes (): Observable<Hero[]> {
return this.http.get(this.heroesUrl)
.map(this.extractData)
.catch(this.handleError);
}
// #enddocregion error-handling, http-get, v1
// #docregion addhero, addhero-sig
addHero (name: string): Observable<Hero> {
// #enddocregion addhero-sig
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(this.heroesUrl, { name }, options)
.map(this.extractData)
.catch(this.handleError);
}
// #enddocregion addhero
// #docregion v1, extract-data
private extractData(res: Response) {
let body = res.json();
return body.data || { };
}
// #enddocregion extract-data
// #docregion error-handling
private handleError (error: Response | any) {
// In a real world app, we might use a remote logging infrastructure
let errMsg: string;
if (error instanceof Response) {
const body = error.json() || '';
const err = body.error || JSON.stringify(body);
errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
} else {
errMsg = error.message ? error.message : error.toString();
}
console.error(errMsg);
return Observable.throw(errMsg);
}
// #enddocregion error-handling, methods
}
// #enddocregion
/*
// #docregion endpoint-json
private heroesUrl = 'app/heroes.json'; // URL to JSON file
// #enddocregion endpoint-json
*/

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// #docregion
export class Hero {
constructor(
public id: number,
public name: string) { }
}

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/* tslint:disable: member-ordering forin */
// #docplaster
// #docregion
import { Component, OnInit } from '@angular/core';
// #docregion rxjs-imports
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/distinctUntilChanged';
import 'rxjs/add/operator/switchMap';
// #docregion import-subject
import { Subject } from 'rxjs/Subject';
// #enddocregion import-subject
import { WikipediaService } from './wikipedia.service';
@Component({
moduleId: module.id,
selector: 'my-wiki-smart',
template: `
<h1>Smarter Wikipedia Demo</h1>
<p>Search when typing stops</p>
<input #term (keyup)="search(term.value)"/>
<ul>
<li *ngFor="let item of items | async">{{item}}</li>
</ul>`,
providers: [ WikipediaService ]
})
export class WikiSmartComponent implements OnInit {
items: Observable<string[]>;
constructor (private wikipediaService: WikipediaService) {}
// #docregion subject
private searchTermStream = new Subject<string>();
search(term: string) { this.searchTermStream.next(term); }
// #enddocregion subject
ngOnInit() {
// #docregion observable-operators
this.items = this.searchTermStream
.debounceTime(300)
.distinctUntilChanged()
.switchMap((term: string) => this.wikipediaService.search(term));
// #enddocregion observable-operators
}
}

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// #docregion
import { Component } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import { WikipediaService } from './wikipedia.service';
@Component({
selector: 'my-wiki',
template: `
<h1>Wikipedia Demo</h1>
<p>Search after each keystroke</p>
<input #term (keyup)="search(term.value)"/>
<ul>
<li *ngFor="let item of items | async">{{item}}</li>
</ul>`,
providers: [ WikipediaService ]
})
export class WikiComponent {
items: Observable<string[]>;
constructor (private wikipediaService: WikipediaService) { }
search (term: string) {
this.items = this.wikipediaService.search(term);
}
}

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// Create the query string by hand
// #docregion
import { Injectable } from '@angular/core';
import { Jsonp } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class WikipediaService {
constructor(private jsonp: Jsonp) { }
// TODO: Add error handling
search(term: string) {
let wikiUrl = 'http://en.wikipedia.org/w/api.php';
// #docregion query-string
let queryString =
`?search=${term}&action=opensearch&format=json&callback=JSONP_CALLBACK`;
return this.jsonp
.get(wikiUrl + queryString)
.map(response => <string[]> response.json()[1]);
// #enddocregion query-string
}
}

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// #docregion
import { Injectable } from '@angular/core';
import { Jsonp, URLSearchParams } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class WikipediaService {
constructor(private jsonp: Jsonp) {}
search (term: string) {
let wikiUrl = 'http://en.wikipedia.org/w/api.php';
// #docregion search-parameters
let params = new URLSearchParams();
params.set('search', term); // the user's search value
params.set('action', 'opensearch');
params.set('format', 'json');
params.set('callback', 'JSONP_CALLBACK');
// #enddocregion search-parameters
// #docregion call-jsonp
// TODO: Add error handling
return this.jsonp
.get(wikiUrl, { search: params })
.map(response => <string[]> response.json()[1]);
// #enddocregion call-jsonp
}
}

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<!DOCTYPE html>
<!-- #docregion -->
<html>
<head>
<title>Angular Http Demo</title>
<base href="/">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles.css">
<!-- Polyfills -->
<script src="node_modules/core-js/client/shim.min.js"></script>
<script src="node_modules/zone.js/dist/zone.js"></script>
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('main.js').catch(function(err){ console.error(err); });
</script>
</head>
<body>
<my-app>Loading...</my-app>
</body>
</html>

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// #docregion
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);