webpack.config.js

'use strict'

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

module.exports = {
  entry: './lib/index.js',
  output: {
    filename: 'client.js',
    path: path.resolve(__dirname, 'bin')
  },
  externals: {
    global: glob()
  },
  module: {
    loaders: [
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components|browser)/,
        loader: 'babel-loader',
        query: {
          presets: ['es2015']
        }
      }
    ]
  },
  resolve: {
    alias: {
      // 'engine.io-client': path.resolve(__dirname, 'browser/engine.io.js'),
      'lodash': path.resolve(__dirname, 'browser/lodash.min.js')
    }
  },

  plugins: [
    new webpack.LoaderOptionsPlugin({minimize: true}) //,
    // new webpack.optimize.UglifyJsPlugin({
    //     compress: {
    //         warnings: false
    //     }
    // })
  ]
}

/**
 * Populates `global`.
 *
 * @api private
 */
function glob() {
  return 'typeof self !== "undefined" ? self : ' +
    'typeof window !== "undefined" ? window : ' +
    'typeof global !== "undefined" ? global : {}'
}