Webpack2 Configuration With Hot Module Plugin

webpack.config.js

// This configuration for React - Redux Project
// With hot reloaded by react-hot-loader

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

const nodeEnv = process.env.NODE_ENV ? 'production' : 'development';
const isProd = nodeEnv === 'production';

const config = {
  cache: true,
  context: path.resolve(__dirname, 'src'),
  entry: [
    'react-hot-loader/patch',
    'webpack-dev-server/client?http://localhost:8080',
    'webpack/hot/only-dev-server',
    './index.js'
  ],
  output: {
    path: __dirname + '/dist',
    filename: 'bundle.js'
  },
  module: {
    rules: [{
      test: /\.js$/,
      exclude: /node_modules/,
      use: [{
        loader: 'babel-loader',
        options: {
          presets: [
            ["es2015", { "modules": false }], "react"
          ]
        }
      }]
    }]
  },
  devtool: 'eval',
  plugins: [
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
        screw_ie8: true,
        conditionals: true,
        unused: true,
        comparisons: true,
        sequences: true,
        dead_code: true,
        evaluate: true,
        if_return: true,
        join_vars: true,
      },
      output: {
        comments: false,
      },
    }),
    new HtmlWebpackPlugin({ template: __dirname + '/src/index.html' }),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    }),
    new webpack.optimize.CommonsChunkPlugin({
      name: 'vendor',
      minChunks: Infinity,
      filename: '[name].bundle.js'
    }),
    new webpack.EnvironmentPlugin({
      NODE_ENV: nodeEnv
    }),
    new webpack.NamedModulesPlugin(),
    new webpack.HotModuleReplacementPlugin(),
  ],
  devServer: {
    hot: true,
    contentBase: path.resolve(__dirname, 'dist'),
    publicPath: '/'
  }
};

module.exports = config;