webpack.production.config.js

const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const StatsPlugin = require('stats-webpack-plugin');

module.exports = {
  entry: {
    app: ['@babel/polyfill', 'bootstrap-loader', 'whatwg-fetch', './app/index.js'],
  },
  output: {
    path: path.resolve(__dirname, 'build/public/assets'),
    publicPath: '/assets/',
    filename: 'bundle-[hash].min.js',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'babel-loader',
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
      },
      {
        test: /\.woff?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'url-loader?limit=10000&mimetype=application/font-woff&name=[path][name].[ext]',
      },
      {
        test: /\.woff2?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'url-loader?limit=10000&mimetype=application/font-woff2&name=[path][name].[ext]',
      },
      {
        test: /\.(eot|ttf|svg|gif|png)(\?[\s\S]+)?$/,
        loader: 'file-loader',
      },
      {
        test: /\.json?$/,
        loader: 'json-loader',
      },
    ],
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
    }),
    new webpack.ProvidePlugin({
      'window.Tether': 'tether',
    }),
    new webpack.NoErrorsPlugin(),
    new webpack.LoaderOptionsPlugin({
      minimize: true,
      debug: false,
      options: {
        context: __dirname,
        output: {
          path: path.resolve(__dirname, 'build/public/assets'),
        },
      },
    }),
    new webpack.optimize.DedupePlugin(),
    new webpack.optimize.AggressiveMergingPlugin(),
    new HtmlWebpackPlugin({
      template: 'app/index.html',
      filename: '../index.html',
    }),
    // TODO: fix it after #265
    new ExtractTextPlugin({
      filename: 'bundle-[hash].min.css',
      allChunks: true,
    }),
    new webpack.optimize.UglifyJsPlugin({
      comments: false,
      sourceMap: false,
      compress: {
        warnings: false,
        screw_ie8: true,
        unused: true,
        dead_code: true,
      },
    }),
    new StatsPlugin('webpack.stats.json', {
      source: false,
      modules: true,
    }),
  ],
};