webpack.config.js

const webpack = require('webpack');

const config = {
  devtool: 'eval-source-map',
  entry: [
    'webpack-hot-middleware/client',
    'react-hot-loader/patch',
    './client/index.jsx'
  ],
  module: {
    loaders: [{
      test: /\.jsx?$/,
      exclude: /node_modules/,
      loader: 'babel'
    }]
  },
  resolve: {
    extensions: ['', '.js', '.jsx']
  },
  output: {
    path: __dirname + '/client/dist', // eslint-disable-line
    publicPath: '/',
    filename: 'bundle.js'
  }
};

/*
 * If bundling for production, optimize output
 */
if (process.env.NODE_ENV === 'production') {
  config.devtool = false;
  config.plugins = [
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.optimize.UglifyJsPlugin({
      comments: false,
      compress: {
        warnings: false
      }
    }),
    new webpack.DefinePlugin({
      'process.env': { NODE_ENV: JSON.stringify('production') }
    })
  ];
} else {
  config.plugins = [
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoErrorsPlugin()
  ];
}

module.exports = config;