webpack.config.js

const path = require('path');
const webpack = require('webpack');

// Phaser webpack config
const phaserModule = path.join(__dirname, '/node_modules/phaser-ce/');
const phaser = path.join(phaserModule, 'build/custom/phaser-split.js');
const pixi = path.join(phaserModule, 'build/custom/pixi.js');
const p2 = path.join(phaserModule, 'build/custom/p2.js');

const definePlugin = new webpack.DefinePlugin({
  __DEV__: JSON.stringify(JSON.parse(process.env.BUILD_DEV || 'true'))
});

module.exports = {
  entry: {
    app: [
      'babel-polyfill',
      path.resolve(__dirname, 'src/index.js')
    ],
    vendor: ['pixi', 'p2', 'phaser', 'webfontloader']
  },
  devtool: 'cheap-source-map',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  watch: true,
  plugins: [
    definePlugin,
    new webpack.optimize.CommonsChunkPlugin({ name: 'vendor'/* chunkName= */, filename: 'vendor.bundle.js'/* filename= */}),

  ],
  module: {
    rules: [
      { test: /\.js$/, use: ['babel-loader'], include: path.join(__dirname, 'src') },
      { test: /pixi\.js/, use: ['expose-loader?PIXI'] },
      { test: /phaser-split\.js$/, use: ['expose-loader?Phaser'] },
      { test: /p2\.js/, use: ['expose-loader?p2'] }
    ]
  },
  node: {
    fs: 'empty',
    net: 'empty',
    tls: 'empty'
  },
  resolve: {
    alias: {
      'phaser': phaser,
      'pixi': pixi,
      'p2': p2
    }
  }
}