webpack.config.js

var path = require('path');
var webpack = require('webpack');
var ExtractTextPlugin = require('extract-text-webpack-plugin');
module.exports = {
  devtool: 'eval',
  entry: [
    'webpack-dev-server/client?http://localhost:3000',
    'webpack/hot/only-dev-server',
    './src/index'
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/static/'
  },
  resolve:{
    extensions:['','.js','.css','.json']
  },
  plugins: [
    new ExtractTextPlugin('style.css', { allChunks: true }),
    new webpack.HotModuleReplacementPlugin()
  ],
  module: {
    loaders: [{
      test: /\.js$/,
      loaders: ['react-hot', 'babel'],
      include: path.join(__dirname, 'src')
    },{
       test: /\.css$/,
       loader:'style!css?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]'
    },{
      test:require.resolve('jquery'),
      loader:'expose?jQuery!expose?$'
    }]
  }
};