.gitignore

dist
node_modules/

README.MD

Sample application that describes the configuration problem.

Run npm install to get the dependencies and npm test to run the index.spec.ts test.

Currently it fails with :

25 01 2017 20:02:04.734:INFO [karma]: Karma v1.3.0 server started at http://localhost:9876/
25 01 2017 20:02:04.736:INFO [launcher]: Launching browser PhantomJS with unlimited concurrency
25 01 2017 20:02:04.740:INFO [launcher]: Starting browser PhantomJS
25 01 2017 20:02:06.304:INFO [PhantomJS 2.1.1 (Windows 7 0.0.0)]: Connected on socket /#-FVT7ItY2HRYNXnOAAAA with id 56600517
PhantomJS 2.1.1 (Windows 7 0.0.0) Application extend should use Object.assign FAILED
        Failed: undefined is not a constructor (evaluating 'Object.assign(a, b)')
        extend@index.spec.ts:81:30
        index.spec.ts:59:44
        loaded@http://localhost:9876/context.js:151:17
PhantomJS 2.1.1 (Windows 7 0.0.0): Executed 1 of 1 (1 FAILED) ERROR (0.002 secs / 0.001 secs)
npm ERR! Test failed.  See above for more details.

index.spec.ts

import {Application} from './index';

describe('Application', () => {
    let underTest: Application;
    beforeEach(() => {
        underTest = new Application();
    });

    describe('extend', () => {
        it('should use Object.assign', () => {
            try {
                let any = underTest.extend({a: 1}, {b: 2});
                expect(any.a).toBe(1);
                expect(any.b).toBe(2);
            } catch (e) {
                fail(e);
            }

        });
    });
});

index.ts

export class Application {

  public extend (a, b) : any{
    return Object.assign(a, b);

  }

}

karma.conf.js

var webpackConfig = require('./webpack.conf.js');

module.exports = function (config) {
    config.set({
        frameworks: ['jasmine'],
        files: [
            './dist/polyfills.js',
            './**/*.spec.ts'

        ],
        proxies: {},
        exclude: [],
        preprocessors: {
            './*.ts': ['webpack']
        },
        webpack: webpackConfig,
        reporters: ['progress'],
        port: 9876,
        colors: true,
        logLevel: config.LOG_INFO,
        autoWatch: true,
        browsers: ['PhantomJS'],
        mime: {
            'text/x-typescript': ['ts','tsx']
        },
        singleRun: true,
        concurrency: Infinity,
        plugins: ['karma-phantomjs-launcher', 'karma-sourcemap-loader', 'karma-webpack', 'karma-jasmine']
    })
};

package.json

{
  "name": "es6-test",
  "version": "1.0.0",
  "description": "A project that uses es6 features with polifils",
  "main": "index.ts",
  "scripts": {
    "test": "karma start ./karma.conf",
    "build": "webpack --config ./webpack.conf"
  },
  "keywords": [
    "es6",
    "typescript",
    "karma",
    "core-js"
  ],
  "devDependencies": {
    "@types/jasmine": "2.5.38",
    "awesome-typescript-loader": "2.2.4",
    "core-js": "2.4.1",
    "jasmine": "2.5.2",
    "jasmine-co": "1.2.1",
    "jasmine-core": "2.5.2",
    "jasmine-jquery": "2.1.1",
    "karma": "1.3.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-jasmine": "^1.1.0",
    "karma-phantomjs-launcher": "^1.0.2",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-webpack": "^1.8.0",
    "typescript": "2.1.1",
    "webpack": "1.13.3"
  },
  "author": "Tiberiu CORBU",
  "license": "ISC"
}

polyfills.ts

import * as polyfills from 'core-js';
console.log(polyfills);
polyfills();

tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
    "lib": [
      "dom",
      "es5",
      "scripthost",
      "es2015.promise",
      "ES6"
    ],
    "sourceMap": true
  },
  "exclude": [
    "node_modules"
  ]
}

webpack.conf.js

var webpack = require('webpack');

module.exports = {
    entry: {
        'app': [
            './index.ts'
        ],
        'polyfills': [
            'core-js'
        ]
    },
    output: {
        path: 'dist/',
        filename: '[name].js',
        library: 'extint',
        libraryTarget: 'var'
    },

    resolve: {
        extensions: ['', '.ts', '.js']
    },
    module: {
        loaders: [
            {
                test: /\.ts$/,
                loaders: ['awesome-typescript']
            }
        ]
    },
    plugins: [
        // new webpack.ProvidePlugin({
        //   '': 'imports?this=>window!core-js/index.js'
        // })
    ]
};