rolldown/tsdown

The elegant bundler for libraries powered by Rolldown

About the project

tsdown is a tool that packages TypeScript libraries into distributable builds using the Rolldown bundler. Library authors use it to bundle code and generate declaration files while supporting plugins from related JavaScript tooling.

This repository also configures its own agents. See what tsdown tells them →

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tsdown-migrate

rolldown/tsdown

Skill Claude CodeCodex

Migrate TypeScript library projects from tsup to tsdown. Provides complete option mappings, config transformation rules, default value differences, and unsupported option alternatives so AI agents can intelligently perform migrations.

not rated 4.3k +10 2d ago A Socket: passSnyk: passSkillSpector: warn 43 tokens original MIT

tsdown

rolldown/tsdown

Skill Claude CodeCodex needs its repo

Bundle TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown. Use when building libraries, generating type declarations, bundling for multiple formats, or migrating from tsup.

not rated 4.3k +10 2d ago A Socket: passSnyk: pass 41 tokens copy · 91% MIT