webpack.config.js

const path = require('path');

// 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')

module.exports = {
  devtool: 'source-map',
  entry: __dirname + "/src/js/init.js",
  output: {
    path: __dirname + "/dist",
    filename: "game.js",
    publicPath: "/dist/"
  },
  module: {
    loaders: [{
      test: /\.js?$/,
      exclude: /node_modules/,
      loader: 'babel-loader',
      query: {
        presets: ['es2015']
      }
    },
    { test: /pixi\.js/, loader: 'expose?PIXI' },
    { test: /phaser-split\.js$/, loader: 'expose?Phaser' },
    { test: /p2\.js/, loader: 'expose?p2' }
	]
  },
  resolve: {
  	root: path.resolve('./src/js'),
    extensions: ['', '.js'],
    alias: {
      'phaser': phaser,
      'pixi': pixi,
      'p2': p2
    }
  }
};