What is cat-tool?

cat-tool is a modern, lightweight, and easy-to-use JavaScript utility library. It isn't just a collection of random functions; it's a carefully designed modular toolkit built to solve common cross-domain challenges in daily development.

Core Highlights

• 🚀 Performance First: Built with Named Exports, providing full support for Tree Shaking. Only the code you use ends up in your production bundle.
• 🛡️ Type Safe: 100% written in TypeScript, offering perfect code completion and comprehensive type checking.
• 🧩 Domain-Driven: Organized by functional domains (Browser, Storage, Event, Async, Utils) for clarity and decoupled logic.
• ✅ Production Ready: Every core API is backed by 100% unit test coverage, ensuring stability in your mission-critical applications.

Why Choose cat-tool?

In an era where loading speed is paramount, importing heavy monolithic libraries is a burden. cat-tool was architected from the ground up to embrace ESM and modern build pipelines.

Whether you need complex IndexedDB orchestration, a high-performance Event Bus, or just a simple UUID generator, cat-tool responds to your needs with the most elegant and lightweight approach possible.

Ready to dive in? Head over to the Quick Start guide!