Angular2 + Typescript Demo Plunk

<!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} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import { SquareComponent } from './square/square.component';
import { FormsModule } from '@angular/forms';

@Component({
  selector: 'my-app',
  template: `
      <square></square>
  `,
})
export class App {
  name:string;
  constructor() {
    this.name = 'Angular2'
  }
}

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

import { Component, OnInit, trigger,   style, state,  transition,  animate} from '@angular/core';

@Component({
  selector: 'square',
  templateUrl: 'src/square/square.component.html',
  styleUrls: ['src/square/square.component.css'],
  animations: [
    trigger(
      'squareState', [
        transition(":enter", [
          style({ opacity: 0 }),
          animate('2500ms', style({ opacity: 1 }))
        ]),
        transition(':leave', [
          style({ opacity: 1 }),
          animate('2500ms', style({ opacity: 0 }))
        ]),
        state('zero', style({ transform: 'translateX(0)' })),
        state('one', style({ transform: 'translateX(50%)' })),
        transition('zero => one', animate('500ms ease-in')),
        transition('one => zero', animate('500ms ease-in'))
        // or
        //transition('one <=> zero', animate('500ms ease-in'))
      ])
  ]
})

export class SquareComponent implements OnInit {
  isVisible: boolean;
  state: string;

  ngOnInit() {
    this.isVisible = true;
    this.state = 'zero';
  }

  changeState(newState) {
    this.state = newState;
  }
}

<div class="square" [@squareState]="state"
    *ngIf="isVisible" (click)="isVisible = false"></div>
<input type="text" [(ngModel)]="newState"/>
<button (click)="changeState(newState)">Change State</button>
{{state}}

.square {
  width: 100px;
  height: 100px;
  background-color: green;
}