tsdown

✨ The elegant bundler for libraries powered by Rolldown.

Features

• 🚀 Blazing fast: Build and generate .d.ts powered by Oxc and Rolldown, incredibly fast!
• ♻️ Powerful ecosystem: Support Rollup / Rolldown / unplugin plugins, and some Vite plugins.
• 📦 Out-of-box: Support reusing configurations from Vite or Vitest.
• 🔄 Seamless migration: Compatible with tsup's main options and features, ensuring a smooth transition.

Install

npm i tsdown

Configuration

// tsdown.config.ts
import { defineConfig } from 'tsdown'

export default defineConfig({
  entry: ['./src'],
  // ...
})

Usage

npx tsdown

Migrate from tsup

npx tsdown migrate

Please make sure to commit your changes before migrating.

Credits

This project also partially contains code derived or copied from tsup.

• tsup
• pkgroll

Sponsors

Licenses

This project is licensed under the MIT License.