Turbopack

Turbopack is an incremental bundler optimized for JavaScript and TypeScript, written in Rust.

This document aims to cover documentation for developing/debugging Turbopack. For information on using Turbopack for Next.js applications, see the Next.js documentation.

What to read

If this is your first time setting up a development environment, recommend that you read Setup dev environment and How to run tests first.

The implementation of Next.js features in Turbopack is covered in the Next.js integration section, and How Turbopack works covers high level documentation for how turbopack's internal works.

Lastly, API references contains all of Turbopack-related package's api documentation based on rustdoc.