webpack.dev.config.js

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

module.exports = {
  devtool: 'eval',
  entry: [
    'webpack-hot-middleware/client',
    './assets/js/index'
  ],
  output: {
    path: path.join(__dirname, 'public/dist'),
    filename: 'bundle.js',
    publicPath: '/public/'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoErrorsPlugin()
  ],
  module: {
    loaders: [
      {
        test: /\.js$/,
        loader: 'babel',
        include: path.join(__dirname, 'assets/js'),
        query: {
          plugins: [
            ["react-transform", {
              transforms: [{
                transform: "react-transform-hmr",
                imports: ["react"],
                locals: ["module"]
              }]
            }]
          ]
        }
      },
      {
        test: /\.css$/,
        include: path.join(__dirname, 'assets/css'),
        loader: 'style-loader!css-loader!postcss-loader'
      }
    ]
  },
  postcss: function () {
    return [
      autoprefixer({ browsers: ['last 5 versions'] })
    ]
  }
}