const webpack = require('webpack') module.exports = { devtool: 'cheap-module-eval-source-map', module: { loaders: [ { test: /\.js$/, loaders: ['babel-loader'], exclude: /node_modules/ } ] }, output: { library: 'KerasJS', libraryTarget: 'umd' }, resolve: { extensions: ['', '.js'] }, plugins: [ new webpack.DefinePlugin({ 'process.env.NODE_ENV': JSON.stringify('development') }), new webpack.optimize.OccurenceOrderPlugin() ] }