const path = require('path'); module.exports = { entry: './src/index.js', mode: 'production', output: { path: path.resolve(__dirname, 'public'), filename: 'bundle.js', }, // resolve: { // extensions: [".js"], // }, module: { rules: [{ test: /\.js$/, exclude: /node_modules/, use: { loader: 'babel-loader', options: { presets: [ [ '@babel/preset-env', { "targets": "> 0.25%, not dead", "useBuiltIns": "usage", "corejs": "3.8.3", } ] ] } } }] } };