Angular 2 Form Validation

<!DOCTYPE html>
<html>
  <head>
    <title>Angular 2 Form Validation</title>
    <script src="https://npmcdn.com/systemjs@0.19.6/dist/system.src.js"></script>
    <script src="https://code.angularjs.org/tools/typescript.js"></script>
    <script src="system.config.js"></script>
  </head>
  <body>
    <my-form>Loading...</my-form>
    
    <script>
      System.import('app');
    </script>
  </body>

</html>

import {Component} from '@angular/core';
import {FORM_DIRECTIVES, NgForm} from '@angular/common';

@Component({
  selector: 'my-form',
  templateUrl: 'app/my-form.component.html',
  directives: [FORM_DIRECTIVES]
})
export class MyForm {
  
  formValue: any;
  
  onSubmit(regForm: NgForm) {
    console.log(regForm);
    console.log(regForm.value);
    this.formValue = regForm.value;
  }
}

import {bootstrap} from '@angular/platform-browser-dynamic';
import {MyForm} from './my-form.component.ts';

bootstrap(MyForm);

var angularVersion = '2.0.0-rc.1';

System.config({
  baseUrl: '/',
  paths: {
    'npmcdn:*': 'https://npmcdn.com/*'
  }
});

System.config({
  transpiler: 'typescript', 
  typescriptOptions: { emitDecoratorMetadata: true },

  meta: {
    '*': {
      deps: [ 'zone.js', 'reflect-metadata' ]
    }
  }
});

System.config({
  packageConfigPaths: [
    "npmcdn:@*/*/package.json"
  ],
  
  map: {
    '@angular/core': 'npmcdn:@angular/core@'+angularVersion,
    '@angular/compiler': 'npmcdn:@angular/compiler@'+angularVersion,
    '@angular/common': 'npmcdn:@angular/common@'+angularVersion,
    '@angular/platform-browser': 'npmcdn:@angular/platform-browser@'+angularVersion,
    '@angular/platform-browser-dynamic': 'npmcdn:@angular/platform-browser-dynamic@'+angularVersion,
    '@angular/http': 'npmcdn:@angular/http@'+angularVersion,
    'immutable': 'npmcdn:immutable@3.8.1',
    'rxjs': 'npmcdn:rxjs@5.0.0-beta.6',
    'zone.js': 'npmcdn:zone.js@0.6.12',
    'reflect-metadata': 'npmcdn:reflect-metadata@0.1.3',
    "crypto": "@empty"
  },
  
  packages: {
    'app': {
      defaultExtension: 'ts',
      main: './index.ts'
    }
  }
});

<form #regForm="ngForm" (ngSubmit)="onSubmit(regForm)" novalidate>

  <div>
    <label for="email">Email:</label>
    <input type="email" id="email" ngControl="email" #email="ngForm" required>
    
    <ul *ngIf="email.dirty && !email.valid">
      <li *ngIf="email.errors.required">An email is required</li>
    </ul>
  </div>

  <div>
    <label for="password">Password:</label>
    <input type="password" id="password" ngControl="password" #password="ngForm" required minlength="4">
    
    <ul *ngIf="password.dirty && !password.valid">
      <li *ngIf="password.errors.required">A password is required</li>
      <li *ngIf="password.errors.minlength">A password needs to have at least 4 characterss</li>
    </ul>
  </div>

  <button type="submit" [disabled]="!regForm.valid">Register</button>

</form>