webpack.config.dev.js

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

module.exports = {
  devtool: 'cheap-module-eval-source-map',
  entry: [
    'eventsource-polyfill', // necessary for hot reloading with IE
    'webpack-hot-middleware/client',
    './src/index'
  ],
  output: {
    path: path.join(__dirname, 'build'),
    filename: 'bundle.js',
    publicPath: '/'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoErrorsPlugin()
  ],
  resolve: {
    extensions: ['', '.js', '.jsx']
  },
  module: {
    loaders: [{
      test: /\.jsx?/,
      loaders: ['babel', 'strict'],
      include: path.join(__dirname, 'src')
    },
    {
      test: /\.css$/,
      loader: 'style-loader!css-loader!postcss-loader'
    },
    {
      test: /\.(png|jpg|gif|svg)$/,
      loader: 'url-loader?limit=1'
    },
    {
      test: /\.json$/,
      loader: 'json-loader'
    },
    {
      test: /\.html$/,
      loader: 'html-loader'
    }
    ]
  }
};