feat(aio): copy example code from angular.io
This commit is contained in:
Peter Bacon Darwin
committed by
Igor Minar
Igor Minar
parent
3e34ba01bd
commit
1f3198cb50
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// #docregion
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import { Component } from '@angular/core';
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@Component({
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selector: 'my-app',
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template: `
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<hero-list></hero-list>
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<hero-list-promise></hero-list-promise>
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<my-wiki></my-wiki>
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<my-wiki-smart></my-wiki-smart>
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`
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})
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export class AppComponent { }
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// #docregion
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { FormsModule } from '@angular/forms';
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import { HttpModule, JsonpModule } from '@angular/http';
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import { AppComponent } from './app.component';
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@NgModule({
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imports: [
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BrowserModule,
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FormsModule,
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HttpModule,
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JsonpModule
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],
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declarations: [ AppComponent ],
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bootstrap: [ AppComponent ]
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})
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export class AppModule {
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}
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// #docplaster
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// #docregion
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { FormsModule } from '@angular/forms';
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import { HttpModule, JsonpModule } from '@angular/http';
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import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
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import { HeroData } from './hero-data';
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import { requestOptionsProvider } from './default-request-options.service';
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import { AppComponent } from './app.component';
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import { HeroListComponent } from './toh/hero-list.component';
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import { HeroListPromiseComponent } from './toh/hero-list.component.promise';
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import { WikiComponent } from './wiki/wiki.component';
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import { WikiSmartComponent } from './wiki/wiki-smart.component';
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@NgModule({
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imports: [
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BrowserModule,
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FormsModule,
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HttpModule,
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JsonpModule,
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// #docregion in-mem-web-api
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InMemoryWebApiModule.forRoot(HeroData)
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// #enddocregion in-mem-web-api
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],
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declarations: [
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AppComponent,
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HeroListComponent,
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HeroListPromiseComponent,
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WikiComponent,
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WikiSmartComponent
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],
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// #docregion provide-default-request-options
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providers: [ requestOptionsProvider ],
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// #enddocregion provide-default-request-options
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bootstrap: [ AppComponent ]
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})
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export class AppModule {}
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// #docregion
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import { Injectable } from '@angular/core';
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import { BaseRequestOptions, RequestOptions } from '@angular/http';
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@Injectable()
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export class DefaultRequestOptions extends BaseRequestOptions {
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constructor() {
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super();
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// Set the default 'Content-Type' header
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this.headers.set('Content-Type', 'application/json');
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}
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}
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export const requestOptionsProvider = { provide: RequestOptions, useClass: DefaultRequestOptions };
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// #docregion
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import { InMemoryDbService } from 'angular-in-memory-web-api';
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export class HeroData implements InMemoryDbService {
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createDb() {
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let heroes = [
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{ id: 1, name: 'Windstorm' },
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{ id: 2, name: 'Bombasto' },
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{ id: 3, name: 'Magneta' },
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{ id: 4, name: 'Tornado' }
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];
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return {heroes};
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}
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}
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{
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"data": [
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{ "id": 1, "name": "Windstorm" },
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{ "id": 2, "name": "Bombasto" },
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{ "id": 3, "name": "Magneta" },
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{ "id": 4, "name": "Tornado" }
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]
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}
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<!-- #docregion -->
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<h1>Tour of Heroes ({{mode}})</h1>
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<h3>Heroes:</h3>
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<ul>
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<li *ngFor="let hero of heroes">{{hero.name}}</li>
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</ul>
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<label>New hero name: <input #newHeroName /></label>
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<button (click)="addHero(newHeroName.value); newHeroName.value=''">Add Hero</button>
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<p class="error" *ngIf="errorMessage">{{errorMessage}}</p>
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// #docregion
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// Promise Version
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import { Component, OnInit } from '@angular/core';
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import { Hero } from './hero';
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import { HeroService } from './hero.service.promise';
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@Component({
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selector: 'hero-list-promise',
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moduleId: module.id,
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templateUrl: './hero-list.component.html',
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providers: [ HeroService ],
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styles: ['.error {color:red;}']
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})
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// #docregion component
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export class HeroListPromiseComponent implements OnInit {
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errorMessage: string;
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heroes: Hero[];
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mode = 'Promise';
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constructor (private heroService: HeroService) {}
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ngOnInit() { this.getHeroes(); }
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// #docregion methods
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getHeroes() {
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this.heroService.getHeroes()
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.then(
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heroes => this.heroes = heroes,
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error => this.errorMessage = <any>error);
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}
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addHero (name: string) {
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if (!name) { return; }
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this.heroService.addHero(name)
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.then(
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hero => this.heroes.push(hero),
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error => this.errorMessage = <any>error);
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}
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// #enddocregion methods
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}
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// #enddocregion component
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// #docregion
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// Observable Version
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import { Component, OnInit } from '@angular/core';
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import { Hero } from './hero';
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import { HeroService } from './hero.service';
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@Component({
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moduleId: module.id,
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selector: 'hero-list',
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templateUrl: './hero-list.component.html',
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providers: [ HeroService ],
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styles: ['.error {color:red;}']
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})
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// #docregion component
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export class HeroListComponent implements OnInit {
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errorMessage: string;
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heroes: Hero[];
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mode = 'Observable';
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constructor (private heroService: HeroService) {}
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ngOnInit() { this.getHeroes(); }
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// #docregion methods
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// #docregion getHeroes
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getHeroes() {
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this.heroService.getHeroes()
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.subscribe(
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heroes => this.heroes = heroes,
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error => this.errorMessage = <any>error);
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}
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// #enddocregion getHeroes
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// #docregion addHero
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addHero (name: string) {
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if (!name) { return; }
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this.heroService.addHero(name)
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.subscribe(
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hero => this.heroes.push(hero),
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error => this.errorMessage = <any>error);
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}
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// #enddocregion addHero
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// #enddocregion methods
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}
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// #enddocregion component
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// #docplaster
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// #docregion
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// Promise Version
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import { Injectable } from '@angular/core';
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import { Http, Response } from '@angular/http';
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import { Headers, RequestOptions } from '@angular/http';
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// #docregion rxjs-imports
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import 'rxjs/add/operator/toPromise';
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// #enddocregion rxjs-imports
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import { Hero } from './hero';
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@Injectable()
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export class HeroService {
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// URL to web api
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private heroesUrl = 'app/heroes';
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constructor (private http: Http) {}
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// #docregion methods
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getHeroes (): Promise<Hero[]> {
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return this.http.get(this.heroesUrl)
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.toPromise()
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.then(this.extractData)
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.catch(this.handleError);
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}
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addHero (name: string): Promise<Hero> {
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let headers = new Headers({ 'Content-Type': 'application/json' });
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let options = new RequestOptions({ headers: headers });
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return this.http.post(this.heroesUrl, { name }, options)
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.toPromise()
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.then(this.extractData)
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.catch(this.handleError);
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}
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private extractData(res: Response) {
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let body = res.json();
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return body.data || { };
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}
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private handleError (error: Response | any) {
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// In a real world app, we might use a remote logging infrastructure
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let errMsg: string;
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if (error instanceof Response) {
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const body = error.json() || '';
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const err = body.error || JSON.stringify(body);
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errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
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} else {
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errMsg = error.message ? error.message : error.toString();
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}
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console.error(errMsg);
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return Promise.reject(errMsg);
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}
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// #enddocregion methods
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}
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// #enddocregion
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// #docplaster
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// #docregion
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// Observable Version
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// #docregion v1
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import { Injectable } from '@angular/core';
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import { Http, Response } from '@angular/http';
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// #enddocregion v1
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// #docregion import-request-options
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import { Headers, RequestOptions } from '@angular/http';
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// #enddocregion import-request-options
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// #docregion v1
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// #docregion rxjs-imports
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import { Observable } from 'rxjs/Observable';
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import 'rxjs/add/operator/catch';
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import 'rxjs/add/operator/map';
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// #enddocregion rxjs-imports
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import { Hero } from './hero';
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@Injectable()
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export class HeroService {
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// #docregion endpoint
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private heroesUrl = 'app/heroes'; // URL to web API
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// #enddocregion endpoint
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// #docregion ctor
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constructor (private http: Http) {}
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// #enddocregion ctor
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// #docregion methods, error-handling, http-get
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getHeroes (): Observable<Hero[]> {
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return this.http.get(this.heroesUrl)
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.map(this.extractData)
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.catch(this.handleError);
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}
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// #enddocregion error-handling, http-get, v1
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// #docregion addhero, addhero-sig
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addHero (name: string): Observable<Hero> {
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// #enddocregion addhero-sig
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let headers = new Headers({ 'Content-Type': 'application/json' });
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let options = new RequestOptions({ headers: headers });
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return this.http.post(this.heroesUrl, { name }, options)
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.map(this.extractData)
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.catch(this.handleError);
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}
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// #enddocregion addhero
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// #docregion v1, extract-data
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private extractData(res: Response) {
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let body = res.json();
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return body.data || { };
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}
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// #enddocregion extract-data
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// #docregion error-handling
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private handleError (error: Response | any) {
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// In a real world app, we might use a remote logging infrastructure
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let errMsg: string;
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if (error instanceof Response) {
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const body = error.json() || '';
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const err = body.error || JSON.stringify(body);
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errMsg = `${error.status} - ${error.statusText || ''} ${err}`;
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} else {
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errMsg = error.message ? error.message : error.toString();
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}
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console.error(errMsg);
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return Observable.throw(errMsg);
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}
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// #enddocregion error-handling, methods
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}
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// #enddocregion
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/*
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// #docregion endpoint-json
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private heroesUrl = 'app/heroes.json'; // URL to JSON file
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// #enddocregion endpoint-json
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*/
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// #docregion
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export class Hero {
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constructor(
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public id: number,
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public name: string) { }
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}
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@ -0,0 +1,48 @@
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/* tslint:disable: member-ordering forin */
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// #docplaster
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// #docregion
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import { Component, OnInit } from '@angular/core';
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// #docregion rxjs-imports
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import { Observable } from 'rxjs/Observable';
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import 'rxjs/add/operator/debounceTime';
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import 'rxjs/add/operator/distinctUntilChanged';
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import 'rxjs/add/operator/switchMap';
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// #docregion import-subject
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import { Subject } from 'rxjs/Subject';
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// #enddocregion import-subject
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import { WikipediaService } from './wikipedia.service';
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@Component({
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moduleId: module.id,
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selector: 'my-wiki-smart',
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template: `
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<h1>Smarter Wikipedia Demo</h1>
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<p>Search when typing stops</p>
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<input #term (keyup)="search(term.value)"/>
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<ul>
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<li *ngFor="let item of items | async">{{item}}</li>
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</ul>`,
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providers: [ WikipediaService ]
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})
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export class WikiSmartComponent implements OnInit {
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items: Observable<string[]>;
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constructor (private wikipediaService: WikipediaService) {}
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// #docregion subject
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private searchTermStream = new Subject<string>();
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search(term: string) { this.searchTermStream.next(term); }
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// #enddocregion subject
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ngOnInit() {
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// #docregion observable-operators
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this.items = this.searchTermStream
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.debounceTime(300)
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.distinctUntilChanged()
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.switchMap((term: string) => this.wikipediaService.search(term));
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// #enddocregion observable-operators
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}
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}
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// #docregion
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import { Component } from '@angular/core';
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import { Observable } from 'rxjs/Observable';
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import { WikipediaService } from './wikipedia.service';
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@Component({
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selector: 'my-wiki',
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template: `
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<h1>Wikipedia Demo</h1>
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<p>Search after each keystroke</p>
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<input #term (keyup)="search(term.value)"/>
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<ul>
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<li *ngFor="let item of items | async">{{item}}</li>
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</ul>`,
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providers: [ WikipediaService ]
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})
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export class WikiComponent {
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items: Observable<string[]>;
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constructor (private wikipediaService: WikipediaService) { }
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search (term: string) {
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this.items = this.wikipediaService.search(term);
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}
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}
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// Create the query string by hand
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// #docregion
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import { Injectable } from '@angular/core';
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import { Jsonp } from '@angular/http';
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import 'rxjs/add/operator/map';
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@Injectable()
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export class WikipediaService {
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constructor(private jsonp: Jsonp) { }
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// TODO: Add error handling
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search(term: string) {
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let wikiUrl = 'http://en.wikipedia.org/w/api.php';
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// #docregion query-string
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let queryString =
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`?search=${term}&action=opensearch&format=json&callback=JSONP_CALLBACK`;
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return this.jsonp
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.get(wikiUrl + queryString)
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.map(response => <string[]> response.json()[1]);
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// #enddocregion query-string
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}
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}
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// #docregion
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import { Injectable } from '@angular/core';
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import { Jsonp, URLSearchParams } from '@angular/http';
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import 'rxjs/add/operator/map';
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@Injectable()
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export class WikipediaService {
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constructor(private jsonp: Jsonp) {}
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search (term: string) {
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let wikiUrl = 'http://en.wikipedia.org/w/api.php';
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// #docregion search-parameters
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let params = new URLSearchParams();
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params.set('search', term); // the user's search value
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params.set('action', 'opensearch');
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params.set('format', 'json');
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params.set('callback', 'JSONP_CALLBACK');
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// #enddocregion search-parameters
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// #docregion call-jsonp
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// TODO: Add error handling
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return this.jsonp
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.get(wikiUrl, { search: params })
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.map(response => <string[]> response.json()[1]);
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// #enddocregion call-jsonp
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}
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}
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27
aio/content/examples/server-communication/ts/src/index.html
Normal file
27
aio/content/examples/server-communication/ts/src/index.html
Normal file
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<!DOCTYPE html>
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<!-- #docregion -->
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<html>
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<head>
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<title>Angular Http Demo</title>
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<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>
|
||||
5
aio/content/examples/server-communication/ts/src/main.ts
Normal file
5
aio/content/examples/server-communication/ts/src/main.ts
Normal file
@ -0,0 +1,5 @@
|
||||
// #docregion
|
||||
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
|
||||
import { AppModule } from './app/app.module';
|
||||
|
||||
platformBrowserDynamic().bootstrapModule(AppModule);
|
||||
Reference in New Issue
Block a user