webpack.config.prod.js

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

module.exports = {
  devtool: 'source-map',
  entry: [
    './src/index'
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: './dist/'
  },
  plugins: [
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': JSON.stringify('production')
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      compressor: {
        warnings: false
      }
    })
  ],
  module: {
    loaders: [{
      test: /\.js$/,
      loaders: ['babel'],
      include: path.join(__dirname, 'src')
    },
    {
      test: /\.css$/,
      loader: 'style!css!autoprefixer'
    },
    {
      test: /\.(jpe?g|png)$/,
      loader: 'file-loader'
    },
    {
      test: /\.(woff|woff2|ttf|svg|eot)(\?v=\d+\.\d+\.\d+)?$/,
      loader: "url?limit=10000"
    },
    {
       test: require.resolve('wow.js/dist/wow.js'), 
       loader: 'exports?this.WOW'
    }
  ]
  }
};