tsdown Skills
Agent skills that help AI coding agents understand and work with tsdown, the elegant library bundler.
Installation
npx skills add rolldown/tsdown
This will install all tsdown skills (including the migration skill). To install only the tsdown skill:
npx skills add rolldown/tsdown --skill tsdown
What's Included
The tsdown skill provides Claude Code with knowledge about:
- Core Concepts - What tsdown is, why use it, key features
- Configuration - Config file formats, options, multiple configs, workspace support
- Build Options - Entry points, output formats, type declarations, targets
- Dependency Handling - External/inline dependencies, auto-externalization
- Output Enhancement - Shims, CJS defaults, package exports
- Framework Support - React, Vue, Solid, Svelte integration
- Advanced Features - Plugins, hooks, programmatic API, Rolldown options
- CLI Commands - All CLI options and usage patterns
- Migration - Migrating from tsup to tsdown
Usage
Once installed, Claude Code will automatically use tsdown knowledge when:
- Building TypeScript/JavaScript libraries
- Configuring bundlers for library projects
- Setting up type declaration generation
- Working with multi-format builds (ESM, CJS, IIFE, UMD)
- Migrating from tsup
- Building framework component libraries
Example Prompts
Set up tsdown to build my TypeScript library with ESM and CJS formats
Configure tsdown to generate type declarations and bundle for browsers
Add React support to my tsdown config with Fast Refresh
Help me migrate from tsup to tsdown
Set up a monorepo build with tsdown workspace support
Related Skills
- tsdown-migrate - Dedicated skill for migrating from tsup to tsdown, with complete option mappings, config transformations, and troubleshooting guidance.
Documentation
License
MIT