A lightweight state management library for React that lets you share data across components.
Zustand is a state management library that solves a common React problem: sharing data between many components. With useState alone, you pass state down through props, creating "prop drilling" (passing through many intermediate components). Zustand avoids this.
With Zustand, you create a "store" — a central place for shared state. Any component can read from or write to the store using a hook. It's simpler than Redux, requires less boilerplate, and works naturally with React's rendering.
Zustand is installed via npm: npm install zustand. It pairs well with Supabase for caching fetched data and with React Router for sharing navigation state. Claude Code generates clean Zustand stores when your app needs shared state.
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