Jest-compatible APIs
Use familiar assertions, snapshots, and mocks, with coverage and lifecycle hooks built in.

JavaScript Testing Accelerated by Rspack
Jest-compatible, ready out of the box.
Use familiar assertions, snapshots, and mocks, with coverage and lifecycle hooks built in.
Test TypeScript, ESM, CJS, and CSS Modules without configuring a separate transform pipeline.
Rspack-powered compilation keeps test startup and reruns fast.
Reuse Rsbuild or Rspack aliases, transforms, and plugins instead of maintaining a separate test setup.
Run tests through Rspack's bundling model so transforms and module resolution stay closer to production.
Run tests in Chromium, Firefox, or WebKit through Playwright when jsdom isn't enough.
A unified JavaScript toolchain centered on Rspack, with high performance and consistent architecture
A high performance JavaScript bundler written in Rust, with webpack-compatible API
An Rspack-based build tool that provides out-of-the-box setup
A Rsbuild-based library development tool for creating libraries and UI components

An Rsbuild-based static site generator for creating documentation sites

A one-stop build analyzer that makes the build process transparent
A testing framework that provides first-class support for Rspack ecosystem
A high-performance JavaScript and TypeScript linter based on typescript-go