---

name: tsdown description: tsdown is a fast and elegant TypeScript library bundler powered by Rolldown and Oxc license: MIT

tsdown

Rolldown + Oxc powered TypeScript bundler. Drop-in tsup replacement.

When to Use

• Building TypeScript libraries
• Generating .d.ts declarations
• Publishing npm packages
• Dual ESM/CJS output
• Vue/React component libraries

Quick Start

npm i -D tsdown typescript

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

export default defineConfig({
  entry: 'src/index.ts',
  format: 'esm',
  dts: true,
  exports: true,
})

tsdown           # Build
tsdown --watch   # Watch mode

Reference Files

Task	File
Config file, CLI, entry points	config.md
Format, target, dts, exports	output.md
Shims, unbundle, watch, frameworks	features.md
Plugins, hooks, programmatic, migration	advanced.md

Loading Files

Consider loading these reference files based on your task:

• references/config.md - if setting up tsdown.config.ts, CLI, or entry points
• references/output.md - if configuring output format, target, .d.ts, or exports
• references/features.md - if using shims, unbundle, watch mode, or framework integrations
• references/advanced.md - if writing plugins, using programmatic API, or migrating from tsup

DO NOT load all files at once. Load only what's relevant to your current task.

Cross-Skill References

• Library patterns → Use ts-library skill
• Vue component libs → Use vue skill
• Package management → Use pnpm skill

Claude Skill Registry (Data)

This repo contains the archived skill contents (the heavy, browsable skill files).

Canonical layout

• Category folders at repo root (e.g. development/, documents/, data/, ...)
• Each skill lives under a category: <category>/<skill>/SKILL.md + <category>/<skill>/metadata.json
• Case conflicts are resolved with {name}-{owner}-{repo} suffixes (fallback: -{short-hash}).

Archive status

• Live badges above are sourced from claude-skill-registry-core stats.json.
• Counts in this README are intentionally dynamic, not hardcoded.
• If the badges look stale, refresh the core build/index pipeline rather than editing numbers here.

Where the index + site live

• Core repo: https://github.com/majiayu000/claude-skill-registry-core
• Main repo (merged publish artifact): https://github.com/majiayu000/claude-skill-registry