webpack.config.production.js

var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: {
    vendor: ['react', 'react-dom'],
    app: ['babel-polyfill', './src/index']
  },
  output: {
    path: path.join(__dirname, 'docs'),
    publicPath: '/snippets-box/',
    filename: '[name].[hash].js',
    chunkFilename: '[name].[chunkhash].js'
  },
  devtool: 'cheap-module-source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.join(__dirname, 'src'),
        loader: 'babel-loader',
        query: {
          presets: [['es2015', { modules: false }], 'stage-0', 'react'],
          plugins: [
            'transform-async-to-generator',
            'transform-decorators-legacy'
          ]
        }
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: 'style-loader'
          },
          {
            loader: 'css-loader'
          },
          {
            loader: 'postcss-loader',
            options: {
              plugins: () => [require('autoprefixer')()]
            }
          }
        ]
      },
      {
        test: /\.(jpe?g|png|gif|svg)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              query: {
                name: '[name].[ext]'
              }
            }
          },
          {
            loader: 'image-webpack-loader',
            options: {
              query: {
                mozjpeg: {
                  progressive: true
                },
                gifsicle: {
                  interlaced: true
                },
                optipng: {
                  optimizationLevel: 7
                }
              }
            }
          }
        ]
      },
      {
        test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        use: 'url-loader?limit=10000&mimetype=application/font-woff'
      },
      {
        test: /\.(ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        use: 'file-loader'
      }
    ]
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production')
      }
    }),
    new webpack.NamedModulesPlugin(),
    new webpack.optimize.OccurrenceOrderPlugin(true),
    new webpack.optimize.CommonsChunkPlugin({
      name: 'vendor',
      minChunks: Infinity
    }),
    new webpack.optimize.UglifyJsPlugin({
      minimize: true,
      compress: {
        warnings: false,
        drop_console: true,
        screw_ie8: true
      },
      output: {
        comments: false
      }
    }),
    new HtmlWebpackPlugin({
      hash: false,
      favicon: './src/images/favicon.ico',
      template: './index.hbs'
    })
  ]
};