概要
The tsdown skill empowers Claude to efficiently manage and configure TypeScript library builds using modern, high-speed tooling. As a drop-in replacement for tsup, it leverages Rolldown and Oxc to provide rapid bundling, automatic type declaration generation, and dual ESM/CJS output. This skill is particularly useful for developers building npm packages, UI component libraries, or complex TypeScript utilities that require precise export validation and optimized build pipelines.