webpack.config.js

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

const EXAMPLES_DIRECTORY = __dirname

module.exports = {
  devServer: {
    contentBase: EXAMPLES_DIRECTORY
  },
  entry: {
    example: EXAMPLES_DIRECTORY
  },
  module: {
    loaders: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
        query: { 
          cacheDirectory: true,
          plugins: ['transform-decorators-legacy'],
          presets: ['es2015', 'stage-1', 'react']
        }
      }
    ]
  },
  output: {
    filename: 'bundle.js'
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
    }),
    new webpack.optimize.DedupePlugin(),
    new webpack.optimize.OccurenceOrderPlugin()
  ],
  resolve: {
    alias: {
      'react-native': 'react-native-web'
    }
  }
}