# tsdown [![npm version][npm-version-src]][npm-version-href] [![npm downloads][npm-downloads-src]][npm-downloads-href] [![Unit Test][unit-test-src]][unit-test-href] [![tsdown Starter StackBlitz][tsdown-starter-stackblitz-src]][tsdown-starter-stackblitz-href] ✨ The elegant bundler for libraries powered by [Rolldown](https://github.com/rolldown/rolldown). ## Features - 🚀 **Blazing fast**: Build and generate declaration files powered by Oxc and Rolldown, incredibly fast! - ♻️ **Powerful ecosystem**: Support Rollup, Rolldown, unplugin plugins, and some Vite plugins. - ️🛠️ **Easy to use**: tsdown preconfigures everything you need to get started, so you can focus on writing code. - 🔄 **Seamless migration**: Compatible with tsup's main options and features, ensuring a smooth transition. ## Documentation For full documentation, visit [tsdown.dev](https://tsdown.dev). ## Install ```bash npm i -D tsdown ``` ## Usage ```bash npx tsdown ``` ## Migrate from tsup ```bash npx tsdown migrate ``` Please make sure to commit your changes before migrating. For more details, see the [Migration Guide](https://tsdown.dev/guide/migrate-from-tsup). ## Credits This project also partially contains code derived or copied from the following projects: - [tsup](https://github.com/egoist/tsup) - [pkgroll](https://github.com/privatenumber/pkgroll) ## Sponsors

## Licenses This project is licensed under the [MIT License](LICENSE). [npm-version-src]: https://img.shields.io/npm/v/tsdown.svg [npm-version-href]: https://npmjs.com/package/tsdown [npm-downloads-src]: https://img.shields.io/npm/dm/tsdown [npm-downloads-href]: https://www.npmcharts.com/compare/tsdown?interval=30 [unit-test-src]: https://github.com/rolldown/tsdown/actions/workflows/unit-test.yml/badge.svg [unit-test-href]: https://github.com/rolldown/tsdown/actions/workflows/unit-test.yml [tsdown-starter-stackblitz-src]: https://developer.stackblitz.com/img/open_in_stackblitz_small.svg [tsdown-starter-stackblitz-href]: https://stackblitz.com/github/rolldown/tsdown-starter-stackblitz