<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular2 playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
    </my-app>
  </body>

</html>
/* Styles go here */

### Angular Starter Plunker - Typescript
System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    
    '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
    
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.0.2/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)
//our root app component
import {Component, NgModule, OnInit, Input, Output, EventEmitter} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import {ReactiveFormsModule, FormsModule, FormControl} from '@angular/forms'
import {Observable, Observer} from 'rxjs/Rx'

export interface MyReactiveInputEvent {
  term: string;
  observer: Observer<any>;
}

@Component({
  selector: 'my-reactive-input',
  template: `
    <input [formControl]="searchControl">
    <ul>
      <li *ngFor="let item of items">
        {{item.name}}
      </li>
    </ul>
  `,
})
export class MyReactiveInput implements OnInit {
  searchControl: FormControl = new FormControl();
  @Input() items: any[]
  @Output() onUpdate: EventEmitter<MyReactiveInputEvent> = new EventEmitter()

  ngOnInit() {
    this.searchControl.valueChanges
    .debounceTime(500)
    .distinctUntilChanged()
    .switchMap((term: string) => {
      if (this.onUpdate.observers.length === 0) {
        return Observable.empty()
      }

      this.items = []

      return Observable.create((observer: Observer<any>) => {
        this.onUpdate.emit({term: term, observer: observer})
      })
    })
    .subscribe((item: any) => {
      this.items.push(item)
    })
  }
}

const list: ListItem[] = [
  {name: 'foo'},
  {name: 'bar'},
  {name: 'bar2'},
  {name: '2bar'},
  {name: 'test'}
]

export interface ListItem {
  name: string;
}

@Component({
  selector: 'my-app',
  template: `
    <my-reactive-input [items]="myList" (onUpdate)="search($event)"></my-reactive-input>
  `,
})
export class App {
  myList: ListItem[] = list
   
  search(event: MyReactiveInputEvent) {
    let items = this.myList.filter((e: ListItem) => {
      return new RegExp(event.term, 'gi').test(e.name)
    })
    
    Observable.from(items)
    .subscribe(event.observer)
  }
}

@NgModule({
  imports: [ BrowserModule, FormsModule, ReactiveFormsModule ],
  declarations: [ App, MyReactiveInput ],
  bootstrap: [ App ]
})
export class AppModule {}