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tsdown

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

4.2k|186|Updated Mar 8, 2024
Search Tags:#typescript#javascript#bundling#dts#rolldown#tsdown#library-bundler
One-click install
npx skills add https://github.com/rolldown/tsdown --skill tsdown-rolldown
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tsdown
Source: https://github.com/rolldown/tsdown/tree/main/skills/tsdown
Command: npx skills add https://github.com/rolldown/tsdown --skill tsdown-rolldown

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

tsdown bundles TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown.

Core Features & Use Cases

  • Fast library bundling with tree-shaking for libraries
  • Type declaration generation (DTS) and type-checking integration
  • Multi-format builds (esm, cjs, iife, umd) and migration support from tsup
  • Framework compatibility wrappers and workspace/monorepo support
  • CI-aware configuration and reproducible builds

Quick Start

Install tsdown as a dev dependency and run npx tsdown to perform your first bundle.

Frequently Asked Questions about tsdown

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I bundle TypeScript libraries with multi-format outputs?▼

tsdown bundles TypeScript libraries into multi-format outputs by leveraging Rolldown for blazing-fast build speeds and tree-shaking.

Can I generate type declarations when bundling JavaScript libraries?▼

Yes, tsdown supports type declaration generation (DTS) and integrates type-checking directly into your library bundling workflow.

Does tsdown work with React, Vue, Solid, and Svelte frameworks?▼

tsdown provides framework compatibility wrappers to bundle libraries for React, Vue, Solid, and Svelte environments.

What is the best way to migrate from tsup to a faster bundler?▼

tsdown provides migration support from tsup, enabling you to transition library builds to Rolldown-powered blazing-fast speeds.

How do I configure workspace and monorepo library builds?▼

tsdown supports workspace configurations and monorepo setups with CI-aware configuration and reproducible builds across multiple entry points.

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