const path = require('path'); module.exports = (env = {}) => ({ mode: 'production', entry: { app: ['./src/index.js'], }, output: { library: 'd3tooltip', libraryTarget: 'umd', path: path.resolve(__dirname, 'dist'), filename: env.minimize ? 'map2tree.min.js' : 'map2tree.js', }, module: { rules: [ { test: /\.js$/, loader: 'babel-loader', exclude: /node_modules/, }, ], }, optimization: { minimize: !!env.minimize, }, performance: { hints: false, }, });