webpack.config.js

const webpack = require('webpack');
const UglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
const path = require('path');
const libraryName = 'bokehfy';


module.exports = (env = {}) => {
  const plugins = [];
  let outputFile;

  if (env.prod) {
    plugins.push(new UglifyJsPlugin({ minimize: true }));
    outputFile = libraryName + '.min.js';
  } else {
    outputFile = libraryName + '.js';
  }  

  return {
    entry: path.resolve(__dirname, 'src', 'index.js'),
    output: {
      path: path.resolve(__dirname, 'lib'),
      filename: outputFile,
      library: libraryName,
      libraryTarget: 'umd',
      umdNamedDefine: true
    },
    module: {
      rules: [
        {
          test: /\.js$/,
          include: [
            path.resolve(__dirname, 'src')
          ],
          exclude: /(node_modules|bower_components)/,
          loader: 'babel-loader'
        }
      ]
    },
    plugins
  }
};