webpack.config.babel.js

import webpack from 'webpack';
import path from 'path';

const { NODE_ENV } = process.env;
const production = NODE_ENV === 'production';

const plugins = [
  new webpack.optimize.OccurenceOrderPlugin(),
  new webpack.DefinePlugin({
    'process.env.NODE_ENV': JSON.stringify(NODE_ENV)
  })
];

if (production) {
  plugins.push(
    new webpack.optimize.UglifyJsPlugin({
      compressor: {
        pure_getters: true,
        unsafe: true,
        unsafe_comps: true,
        screw_ie8: true,
        warnings: false
      }
    })
  );
}

export default {
  entry: path.join(__dirname, 'src/index.js'),
  output: {
    path: path.join(__dirname, 'dist'),
    filename: `redux-actions${production ? '.min' : ''}.js`,
    library: 'ReduxActions',
    libraryTarget: 'umd'
  },
  module: {
    loaders: [
      {
        test: /\.js$/,
        loaders: ['babel-loader'],
        exclude: /node_modules/
      }
    ]
  },
  plugins
};