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rolldownrolldownOfficial·2 Agent Skills Included

tsdown

Bundle TypeScript libraries fast and migrate smoothly from tsup

Bundles TypeScript and JavaScript libraries into ESM, CJS, IIFE, and UMD formats with automatic type declarations. Eliminates slow builds, manual config tuning, and painful tsup migrations with a safe two-stage upgrade path. Guides AI agents through configuration, dependency handling, monorepo workspaces, and package validation for faster publishing.
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npx skills add rolldown/tsdown --all -g -y
Available:

Gives AI coding agents the project architecture, build commands, and testing patterns needed to work on and with the tsdown bundler codebase.

All Skills in This Repository (2)

Pure Emerald Level Indicators
📦 In Repo
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tsdown

Bundle TypeScript and JavaScript libraries with Rolldown and generate type declarations.

Official
Intermediate
📦 In Repo
rolldownrolldown

tsdown-migrate

Migrate TypeScript library build configurations from tsup to tsdown.

Official
Intermediate

Frequently Asked Questions

FAQPage Schema
How to install tsdown skills?▼

Run `npx skills add rolldown/tsdown --all -g -y` in your terminal to install all skills in this suite globally.

What does tsdown do?▼

tsdown is a fast bundler for TypeScript libraries powered by Rolldown. It builds ESM, CJS, IIFE, and UMD outputs and generates type declarations automatically.

How to migrate from tsup to tsdown?▼

The tsdown-migrate skill gives your AI agent complete option mappings and a safe two-stage upgrade path, so it can convert your tsup config and package.json automatically.

Does tsdown work with Claude Code and other AI agents?▼

Yes. The skills follow the universal SKILL.md standard and work in Claude Code, Cursor, Codex, and other compatible agents.

Can tsdown build monorepos and React libraries?▼

Yes. It supports workspace builds across monorepo packages and includes ready-made recipes for React, Vue, Solid, and Svelte component libraries.

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