tsdown

⚡️ An even faster bundler powered by Rolldown.

Features

🚀 Blazing fast: Build and generate .d.ts powered by Oxc and Rolldown, incredibly fast!
♻️ Powerful ecosystem: Support Rollup / Rolldown / Vite / unplugin 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.

npm i tsdown

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

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

npx tsdown migrate

Please make sure to commit your changes before migrating.

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