Angular2 + Typescript Chart.js Color Demo

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular2 playground</title>
    <link rel="stylesheet" href="style.css" />
    <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="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.3.0/Chart.bundle.min.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 2

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',
    'ng2-charts': 'https://npmcdn.com/ng2-charts@1.4.0',
    
    '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'
    },
    'ng2-charts': {
      main: 'ng2-charts.js',
      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 {ChartsModule, Color} from 'ng2-charts';

@Component({
  selector: 'my-app',
  template: `
    <h2>[colors] being undefined prevents all of [datasets]'s colors</h2>
    <div style="display: block">
      <canvas baseChart
        [labels]="labels"
        [data]="data"
        [colors]="colorsUndefined"
        [chartType]="type"
        ></canvas>
    </div>
    
    <h2>[colors] being empty prevents [datasets]'s backgroundColor</h2>
    <div style="display: block">
      <canvas baseChart
        [labels]="labels"
        [datasets]="datasets"
        [colors]="colorsEmpty"
        [chartType]="type"
        ></canvas>
    </div>
    
    <h2>[colors] overrides all of [datasets]'s colors</h2>
    <div style="display: block">
      <canvas baseChart
        [labels]="labels"
        [datasets]="datasets"
        [colors]="colorsOverride"
        [chartType]="type"
        ></canvas>
    </div>
    
    <h2>[colors] being initialize but empty enables all of [datasets] colors</h2>
    <div style="display: block">
      <canvas baseChart
        [labels]="labels"
        [datasets]="datasets"
        [colors]="colorsEmptyObject"
        [chartType]="type"
        ></canvas>
    </div>
  `,
})
export class App {
  name:string;
  labels:string[] = ['Download Sales', 'In-Store Sales', 'Mail-Order Sales'];
  data:number[] = [350, 450, 100];
  type:string = 'doughnut';
  
  colorsUndefined: Array<Color>;
  colorsEmpty: Array<Color> = [];
  colorsOverride: Array<Color> = [{
    backgroundColor: 'green',
    hoverBackgroundColor: 'purple'
  }];
  colorsEmptyObject: Array<Color> = [{}];
  
  datasets: any[] = [
  {
    data: this.data,
    backgroundColor: [
      "#FF6384",
      "#36A2EB",
      "#FFCE56"
    ],
    hoverBackgroundColor: [
      "#000",
      "#36A2EB",
      "#FFCE56"
    ]
  }];
  constructor() {
    this.name = 'Angular2'
  }
}

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