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Rockpack is a zero-configuration toolkit for building React applications - with full support for Server-Side Rendering (SSR), bundling, linting, and testing. In minutes, you can have a modern React app with production-ready quality gates, preconfigured tooling, and built-in support for AI-assisted development.
Key Features
- Zero-config setup: Scaffold a complete React app with a single command.
- SSR out of the box: Universal rendering with hydration and a Node.js server, no manual configuration needed.
- Production-ready quality gates: Enforced ESLint, Prettier, TypeScript, and Jest conventions from day one.
- Test coverage included: Every project template ships with a configured Jest setup, so AI-generated code is validated immediately - before it ever reaches code review.
- AI-first development: Preconfigured
CLAUDE.mdwith strict quality rules and cost-saving conventions makes working with AI tools like Claude Code fast, reliable, and economical. - Extensible: Customize Webpack, ESLint, or Jest without ejecting.
AI-Assisted Development
Rockpack is designed to make AI-assisted development safe, fast, and cost-efficient.
Beyond tooling, Rockpack establishes a baseline architecture - consistent project structure, naming conventions, and module boundaries - that AI models can reason about reliably. A well-structured codebase is not just easier for humans to navigate; it dramatically improves the quality of AI-generated code because the model has clear patterns to follow and fewer ambiguous decisions to make.
The combination of a defined architecture, test coverage, strict quality gates, and a well-tuned CLAUDE.md means AI tools like Claude Code can contribute to your codebase without introducing regressions or inconsistencies. Because every Rockpack project starts with linting and tests already configured, AI-generated code is reviewed automatically on every change.
The CLAUDE.md configuration is optimized for:
- Minimal context usage - rules guide the AI to read only what is relevant, reducing token consumption
- Cost-efficient workflows - targeted test runs instead of full-suite scans for isolated changes
- Architecture consistency - the AI preserves existing patterns instead of introducing unnecessary abstractions
- Safe incremental changes - small, predictable diffs that are easy to review
- Quality enforcement - ESLint, TypeScript strict mode, and Jest act as automated reviewers on every AI-generated change
Requirements
- Node.js 23 or higher
Getting Started
Rockpack is a good fit for:
- Developers new to React - bootstrap a project of any complexity in minutes, with Webpack, ESLint, and Jest already configured.
- Large projects from scratch - best-practice Webpack, ESLint, TypeScript, and Jest configuration that scales well.
- Startups and prototypes - skip the setup and validate ideas quickly.
- Libraries and React components - UMD, ESM, and CJS builds with TypeScript declarations, no configuration required.
- Existing projects - Rockpack is modular; use only the packages you need.
Also, take a look at iSSR - a small module for adding SSR to an existing React app:
Motivation
Every new React project raises the same questions:
- How do I set up an efficient build system with TypeScript support?
- Which ESLint rules should I use?
- How do I configure Jest to work with Babel or TypeScript?
- How do I set up SSR with Redux, Apollo, or other solutions?
- How do I configure Webpack for server-side rendering and get a production-ready artifact with a working dev server?
Setting this up from scratch takes weeks. Rockpack solves it in minutes.
With Rockpack, you go from zero to a fully configured, running project in minutes and focus on writing the code that matters.
Modules overview
Rockpack is modular. Each package can be used independently or together.
@rockpack/starter
A CLI scaffolding tool for React applications. Follows a feature-based project structure (see this article).
Supported application types:
- React SPA - Client-side React app with Webpack, TypeScript, ESLint, and Jest preconfigured.
- React SPA + SSR - Universal React app with SSR, hydration, and a Node.js server.
- React Component - NPM-ready React component with TypeScript declarations and an optimized bundle.
- UMD Library - Framework-agnostic UMD library for NPM, zero configuration required.
All project types include:
- Import support for many file formats. Full list
- Image and SVG optimization; SVG files importable as React components
- CSS/SCSS/Less modules with TypeScript support
- PostCSS: Tailwind, autoprefixer, postcss-custom-media, postcss-media-minmax
- SEO and React optimizations
- Dotenv and Dotenv safe support
- Bundle Analyzer, Statoscope
- GraphQL support
Optional add-ons for each project type:
- @rockpack/codestyle - ESLint with best-practice rules
- @rockpack/tester - pre-configured Jest setup
@rockpack/compiler
A Webpack-based bundler with best-practice loaders and plugins preconfigured.
@rockpack/compiler supports:
- React applications (TypeScript or Babel)
- React components and VanillaJS UMD libraries
- Node.js backend applications
- Isomorphic (SSR) applications
- Bundle analysis with webpack-bundle-analyzer and Statoscope
@rockpack/tester
Pre-configured Jest with TypeScript and Babel support, HTML reporting, and best-practice defaults for React projects.
@rockpack/codestyle
Opinionated ESLint configuration with Prettier, Stylelint, and Commitlint - ready to use out of the box.
For more information, follow the links to each module.
Rockpack is a free and open-source project. Contributions are always welcome.
Alternatives
The Rockpack project was inspired by:
Why Rockpack?
- One command to start -
@rockpack/starterscaffolds a complete app with TypeScript, Jest, ESLint, and SSR support. - Flexible architecture - no opinions on state management or libraries; design the app the way you want.
- No magic - Rockpack is a curated set of best practices and libraries, not a black box.
- Modular - use only the packages you need, even in a legacy project.
- No eject - extend the Webpack config directly without losing the ability to update Rockpack.
- No reinventing the wheel - built on top of existing, well-maintained tools.