<!DOCTYPE html>
<html lang="en">

<head>
  <title>Custom form control</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/css/bootstrap.min.css">
  <script data-require="VanillaMask@1.1.0" data-semver="1.1.0" src="https://bankfacil.github.io/vanilla-masker/javascripts/vanilla-masker.js"></script>
  <script src="https://npmcdn.com/es6-shim@0.35.0/es6-shim.min.js"></script>
  <script src="https://npmcdn.com/zone.js@0.6.12?main=browser"></script>
  <script src="https://npmcdn.com/reflect-metadata@0.1.3"></script>
  <script src="https://npmcdn.com/systemjs@0.19.27/dist/system.src.js"></script>
  <script src="systemjs.config.js"></script>
  <script>
    System.import('app').catch(function(err) {
      console.error(err);
    });
  </script>
</head>

<body>
  <payments>loading...</payments>
</body>

</html>
/* Styles go here */

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  //map tells the System loader where to look for things
  map: {
    app: "./src"
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    }
  }
});
(function(global) {

  var ngVer = '@2.0.0-rc.5'; // lock in the angular package version; do not let it float to current!
  var routerVer = '@3.0.0-rc.1'; // lock router version
  var formsVer = '@0.3.0'; // lock forms version

  //map tells the System loader where to look for things
  var map = {
    'app':                        'src',

    '@angular':                   'https://npmcdn.com/@angular', // sufficient if we didn't pin the version
    '@angular/router':            'https://npmcdn.com/@angular/router' + routerVer,
    '@angular/forms':             'https://npmcdn.com/@angular/forms' + formsVer,
    'angular2-in-memory-web-api': 'https://npmcdn.com/angular2-in-memory-web-api', // get latest
    'rxjs':                       'https://npmcdn.com/rxjs@5.0.0-beta.6',
    'ts':                         'https://npmcdn.com/plugin-typescript@4.0.10/lib/plugin.js',
    'typescript':                 'https://npmcdn.com/typescript@1.9.0-dev.20160409/lib/typescript.js',
 };

  //packages tells the System loader how to load when no filename and/or no extension
  var packages = {
    'app':                        { main: 'main.ts',  defaultExtension: 'ts' },
    'rxjs':                       { defaultExtension: 'js' },
    'angular2-in-memory-web-api': { main: 'index.js', defaultExtension: 'js' },
  };

  var ngPackageNames = [
    'common',
    'compiler',
    'core',
    'http',
    'platform-browser',
    'platform-browser-dynamic',
    'upgrade',
  ];

  // Add map entries for each angular package
  // only because we're pinning the version with `ngVer`.
  ngPackageNames.forEach(function(pkgName) {
    map['@angular/'+pkgName] = 'https://npmcdn.com/@angular/' + pkgName + ngVer;
  });

  // Add package entries for angular packages
  ngPackageNames.concat(['forms', 'router']).forEach(function(pkgName) {

    // Bundled (~40 requests):
    packages['@angular/'+pkgName] = { main: '/bundles/' + pkgName + '.umd.js', defaultExtension: 'js' };

    // Individual files (~300 requests):
    //packages['@angular/'+pkgName] = { main: 'index.js', defaultExtension: 'js' };
  });

  var config = {
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    map: map,
    packages: packages
  };

  System.config(config);

})(this);


/*
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
*/
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';

platformBrowserDynamic().bootstrapModule(AppModule);
import { Component } from '@angular/core';


@Component({
  moduleId : module.id,
  selector: 'payments',
  templateUrl: 'payments.html'
})
export class Payments {
  cardModel : any = {cardNumber: ""};

  constructor() { }
}
	<card-input [pholder]="'1234-5678-9012-3456'" [model]="cardModel">
	</card-input>
	<p> cardModel.cardNumber: {{cardModel.cardNumber}} </p>
import { Directive, forwardRef, ElementRef, Renderer } from '@angular/core';
import { NG_VALUE_ACCESSOR, ControlValueAccessor } from '@angular/forms';

declare var VMasker: any;

const CardMaskLength : number = 16;
const Mask : string = '9999-9999-9999-9999';

export const CUSTOM_VALUE_ACCESSOR: any = {
  provide: NG_VALUE_ACCESSOR,
  useExisting: forwardRef(() => CardMask),
  multi: true
};

@Directive({
  selector: '[card-accessor]', // Attribute selector
  host: {
    '(input)': 'input($event.target)',    
  },
  providers: [CUSTOM_VALUE_ACCESSOR]
})
export class CardMask implements ControlValueAccessor {
  
  onChange = (_: any) => { };
  onTouched = () => { };
  
  constructor(
    private renderer: Renderer,
    private elementRef: ElementRef) {}

  registerOnChange(fn: (value: any) => any): void { this.onChange = fn; }

  registerOnTouched(fn: () => any): void { this.onTouched = fn; }


  writeValue(value: any): void {
    // Write to view        
    if (value !== null && value !== undefined) {
      
      value = VMasker.toPattern(value, Mask);
      
      console.log(value);
      
      this.renderer.setElementProperty(this.elementRef.nativeElement, 'value', value);
    }    
  }

  input(elt) {
    // prevent user to input non-digit characters while typing
    // and limit user input to CardMaskLength characters         
    let val = elt.value.replace(/\D/g, '');
    val = val.substring(0, CardMaskLength);
    
    //write formatted to control view
    this.writeValue(val);

    // Write back to model (number)
    this.onChange(val);
  }
}
{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true
  }
}
//Creating our Application Module
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';

import { Payments } from './payments';
import { CardMask } from './cardmask';
import { CardInput } from './cardinput'; 

@NgModule({
    imports: [BrowserModule, FormsModule],
    declarations: [Payments, CardMask, CardInput],
    bootstrap: [Payments]
})
export class AppModule {}
import { Component, Input } from '@angular/core';

@Component({
  selector: 'card-input', // Attribute selector  
  template: `<input type="text" card-accessor placeholder={{_placeholder}} [(ngModel)]="_model.cardNumber" />
            <br/>             
            _model.cardNumber: {{_model.cardNumber}}`
})
export class CardInput {
  
  @Input('type') _type : string;
  @Input('pholder') _placeholder : string;
  @Input('model') _model : {cardNumber: string};
}