… src components/ utils/ … App.jsx index.js package.json webpack.config.js .babelrc … const path = require("path"); const webpackConfig = { mode: "development", entry: "./src/index.js", output: { path: path.resolve(__dirname, "build"), filename: "react.bundle.js", }, module: { rules: [ { test: /\.jsx?$/, exclude: /node_modules/, use: "babel-loader", }, ], }, ..