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README · Tsdown · antfu/skills · Skills Docs

Repo No. 94 · Tsdown

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19 skills · 40 min

Skill 08 · Tsdown

Subchapter 8.40

README

README.mdMarkdown2 KBView on GitHub

tsdown Skills

Agent skills that help AI coding agents understand and work with tsdown, the elegant library bundler.

8Up to skill 8Tsdown

On this page

tsdown Skills
Installation
What’s Included
Usage
Example Prompts
Related Skills
Documentation
License

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Source

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Installation

bash

npx skills add rolldown/tsdown

This will install all tsdown skills (including the migration skill). To install only the tsdown skill:

bash

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 (opens in a new tab) - Dedicated skill for migrating from tsup to tsdown, with complete option mappings, config transformations, and troubleshooting guidance.

Documentation

tsdown Documentation (opens in a new tab)
GitHub Repository (opens in a new tab)
Rolldown (opens in a new tab)
Migration Guide (opens in a new tab)

License

MIT

Bundled fileLICENSE Bundled fileSYNC

README.md

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