rolldown

import { rolldown, defineConfig } from 'rolldown'; import path from 'path'; async function buildMyProject() { const inputDir = path.resolve(__dirname, 'src'); const outputDir = path.resolve(__dirname, 'dist'); const options = defineConfig({ input: path.join(inputDir, 'main.ts'), output: { dir: outputDir, format: 'esm', entryFileNames: '[name]-[hash].js', chunkFileNames: 'chunks/[name]-[hash].js', sourcemap: true, minify: process.env.NODE_ENV === 'production' ? 'dce-only' : false, // DCE-only minification is default since v1.0.0-rc.7 }, plugins: [ // Example: A simple plugin to log file IDs during resolution { name: 'log-resolve-id', resolveId(source, importer, options) { console.log(`Resolving: ${source} (imported by ${importer || 'entry'})`); return null; // Let other resolvers handle it } } ], // Rolldown handles TypeScript and Node.js module resolution out of the box // No need for @rollup/plugin-typescript or @rollup/plugin-node-resolve tsconfig: true, // Auto-detect tsconfig.json }); console.log('Starting Rolldown build...'); const bundle = await rolldown(options); console.log('Writing bundle to disk...'); await bundle.write(options.output); console.log('Build complete!'); } // Run the build process buildMyProject().catch(console.error); // Example of an entry file (src/main.ts) // export * from './utils'; // console.log('Hello from main.ts'); // Example of a utility file (src/utils.ts) // export const sum = (a: number, b: number) => a + b;