webpack.config.umd.prod.js

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

var JS_REGEX = /\.js$|\.jsx$|\.es6$|\.babel$/;

module.exports = {
  entry: [
    './src/NotificationSystem.jsx'
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'react-notification-system.min.js',
    libraryTarget: 'umd',
    library: "ReactNotificationSystem"
  },
  devtool: 'source-map',
  externals: [
    {
      react: {
        root: 'React',
        commonjs2: 'react',
        commonjs: 'react',
        amd: 'react'
      }
    },
    {
      'react-dom': {
        root: 'ReactDOM',
        commonjs2: 'react-dom',
        commonjs: 'react-dom',
        amd: 'react-dom'
      }
    }
  ],
  plugins: [
    // set env
    new webpack.DefinePlugin({
      'process.env': {
        BROWSER: JSON.stringify(true),
        NODE_ENV: JSON.stringify('production')
      }
    }),

    // optimizations
    new webpack.optimize.DedupePlugin(),
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
        screw_ie8: true,
        sequences: true,
        dead_code: true,
        drop_debugger: true,
        comparisons: true,
        conditionals: true,
        evaluate: true,
        booleans: true,
        loops: true,
        unused: true,
        hoist_funs: true,
        if_return: true,
        join_vars: true,
        cascade: true,
        drop_console: false
      },
      output: {
        comments: false
      }
    })
  ],
  resolve: {
    extensions: ['', '.js', '.jsx'],
    modulesDirectories: ['node_modules', 'src']
  },
  module: {
    loaders: [
      {
        test: JS_REGEX,
        include: [
          path.resolve(__dirname, 'src'),
          path.resolve(__dirname, 'example/src')
        ],
        loader: 'babel?presets=airbnb'
      }
    ]
  }
};