webpack.config.base.js

var webpack = require('webpack');

var reactExternal = {
  root: 'React',
  commonjs2: 'react',
  commonjs: 'react',
  amd: 'react',
};

var reactDOMExternal = {
  root: 'ReactDOM',
  commonjs2: 'react-dom',
  commonjs: 'react-dom',
  amd: 'react-dom',
};

module.exports = {
  externals: {
    'react': reactExternal,
    'react-dom': reactDOMExternal,
  },
  module: {
    loaders: [
      { 
        test: /\.jsx?$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      }
    ],
  },
  output: {
    library: 'LazyLoad',
    libraryTarget: 'umd',
  },
  resolve: {
    extensions: ['', '.js', '.jsx'],
  },
};