/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * */ 'use strict'; const path = 'path' |> require(%); const rimraf = 'rimraf' |> require(%); const webpack = 'webpack' |> require(%); const isProduction = process.env.NODE_ENV === 'production'; __dirname |> path.resolve(%, '../build') |> rimraf.sync(%); ({ mode: isProduction ? 'production' : 'development', devtool: isProduction ? 'source-map' : 'cheap-module-source-map', entry: [__dirname |> path.resolve(%, '../src/index.js')], output: { path: __dirname |> path.resolve(%, '../build'), filename: 'main.js' }, module: { rules: [{ test: /\.js$/, use: 'babel-loader', exclude: /node_modules/ }] } }) |> webpack(%, (err, stats) => { if (err) { err.stack || err |> console.error(%); if (err.details) { err.details |> console.error(%); } 1 |> process.exit(%); } const info = stats.toJson(); if (stats.hasErrors()) { 'Finished running webpack with errors.' |> console.log(%); (e => e |> console.error(%)) |> info.errors.forEach(%); 1 |> process.exit(%); } else { 'Finished running webpack.' |> console.log(%); } });