webpack.config.js

const path = require('path');
const webpack = require('webpack');

// var HtmlWebpackPlugin = require('html-webpack-plugin');
// var HtmlWebpackPluginConfig = new HtmlWebpackPlugin({
//   template: __dirname + '/app/index.html',
//   filename: 'index.html',
//   inject: 'body'
// });

module.exports = {
  context: __dirname + '/src',
  entry: [
    'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000',
    './app.js',
  ],
  output: {
    filename: 'app.js',
    path: __dirname + '/dist',
  },

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

  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: ['react-hot-loader/webpack', 'babel-loader'],
      }, {
        test: /\.html?$/,
        use: 'file-loader?name=[name].[ext]',
      },
      {
        test: /\.css?$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },

  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
  ],
};