const process = require("process"); const path = require("path"); const DIST_FOLDER = path.resolve('build', 'dist'); const DIST_DIR = path.resolve(__dirname, DIST_FOLDER); module.exports = env => { const FILENAME = env.NODE_ENV? env.NODE_ENV : 'default'; let options = { entry: './src/'+FILENAME+'/index.js', //mode: 'production', module: { rules: [ { test: /\.(js|jsx)$/, exclude: /node_modules/, use: ['babel-loader'] } ] }, resolve: { extensions: ['*', '.js', '.jsx'] }, output: { // pathinfo: false, //ability to generate path info in the output bundle path: DIST_DIR, filename: FILENAME+".js" }, plugins: [], optimization : { runtimeChunk : false, minimizer: [ // new UglifyJsPlugin({ // uglifyOptions: { // mangle: { // keep_fnames: true, // }, // }, // }) ], } }; if(process.env.npm_lifecycle_script.includes('production')){ console.log('MODE: Production', process.env.npm_lifecycle_script); delete options.devtool; } return options; }//();