parcel

import { Parcel } from '@parcel/core'; import { createWorkerFarm } from '@parcel/core'; import defaultConfig from '@parcel/config-default'; import { MemoryFS } from '@parcel/fs'; // Create a worker farm for multi-threading, essential for Parcel's performance. const workerFarm = createWorkerFarm(); async function buildProject() { // Create an in-memory file system for output, useful for testing or server-side rendering. const outputFS = new MemoryFS(workerFarm); const bundler = new Parcel({ entries: ['./src/index.html'], // Your main entry point defaultConfig, workerFarm, outputFS, mode: 'production', // Build for production, enabling minification and tree-shaking defaultTargetOptions: { shouldOptimize: true, sourceMaps: false, engines: { node: '>= 16.0.0' }, // Ensure Node.js version is specified }, }); try { const { bundleGraph, buildTime } = await bundler.run(); console.log(`✨ Built in ${buildTime}ms`); // You can access bundles from bundleGraph and read them from outputFS const htmlBundle = Array.from(bundleGraph.get === 'html')[0]; if (htmlBundle) { const content = await outputFS.readFile(htmlBundle.filePath, 'utf8'); console.log('Output HTML content sample:\n', content.substring(0, 500)); } } catch (error) { console.error('❌ Build failed:', error); process.exit(1); } finally { await workerFarm.end(); // Clean up worker processes } } buildProject();