const path = require('path'); module.exports = { mode: 'development', // entry will using the params form gulp.src resolve: { extensions: ['.js'] }, devtool: 'source-map', output: { libraryTarget: 'window', }, module: { rules: [ { test: /\.js$/, exclude: /(node_modules|bower_components)/, use: { loader: 'babel-loader', options: { presets: ['@babel/preset-env'] } } } ] }, plugins: [ // new HtmlWebpackPlugin() ] }