esnextbin/webpack.config.js

Prototype JavaScript programs in the browser with ESNext (a.k.a ES2015) syntax and features, using modules from NPM.

const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const CompressionPlugin = require('compression-webpack-plugin');

module.exports = {
  entry: {
    app: './src/app',
    embed: './src/embed'
  },

  output: {
    path: path.join(__dirname, 'build'),
    filename: '[name].min.js',
    publicPath: '/build'
  },

  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': JSON.stringify('production')
      }
    }),
    new webpack.optimize.OccurrenceOrderPlugin(),
    new webpack.optimize.UglifyJsPlugin({
      compress: { warnings: false, screw_ie8: true },
      output: { comments: false }
    }),
    new ExtractTextPlugin('[name].min.css'),
    new OptimizeCssAssetsPlugin(),
    new CompressionPlugin({
      asset: '[path].gz[query]',
      algorithm: 'gzip',
      test: /\.js$/,
      threshold: 10240,
      minRatio: 0
    })
  ],

  resolve: {
    extensions: ['.js', '.jsx', 'json']
  },

  module: {
    rules: [{
      test: /\.jsx?$/,
      exclude: /node_modules/,
      loader: 'babel-loader'
    }, {
      test: /\.css$/,
      use: ExtractTextPlugin.extract({
        fallback: 'style-loader',
        use: ['css-loader', 'postcss-loader']
      })
    }]
  }
};