webpack.config.js

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

module.exports = {
  devtool: 'eval',
  mode: 'development',
  entry: [
    'react-hot-loader/patch',
    'webpack/hot/dev-server',
    'webpack-hot-middleware/client',
    __dirname + '/src/client/index.js'
  ],
  output: {
    path: __dirname + '/dist/public',
    publicPath: '/',
    filename: 'bundle.js'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin()
  ],
  resolve: {
    extensions: ['.js']
  },
  module: {
    rules:[
      {
        //test: /\.js?$/,
        test: /\.jsx?$/,
        loader: 'babel-loader',
        exclude: [
          path.resolve(__dirname, "node_modules")
        ],
        include: [
          path.resolve(__dirname, "src")
        ],
        query: {
          plugins: ['transform-decorators-legacy'],
          presets: ['es2015', 'stage-0', 'react']
        }
        //'babel-loader?presets[]=react,presets[]=es2015,presets[]=stage-0,plugins[]=transform-decorators-legacy'
      },
      {
        test: /\.html$/,
        loader: "file?name=[name].[ext]"
      },
      {
        test: /\.css$/,
        loader: "style-loader!css-loader"
      },
      {
        test: /\.scss$/,
        loaders: ["style-loader", "css-loader", "sass-loader"]
      },
      {
        test: /\.json$/,
        loader: "json-loader"
      }
    ]
  }
};