When should I use Zustand instead of useState?

Use Zustand for shared UI state needed by two or more components across your application tree. Use useState strictly for state that is truly local to a single component and never needs to be shared.

Can I use Zustand for API and server data?

No. This skill follows the philosophy that server/API data should be handled by dedicated data fetching solutions (like TanStack Query) to manage caching and synchronization. Zustand should be used for shared client-side UI state.

What are the specific requirements for Zustand v5 in this skill?

Zustand v5 requires selectors to return stable references to prevent infinite loops. It also moves from the old equality-function argument to the useShallow hook and changes how the persist middleware handles initial state.

Why does this skill discourage using Context for state management?

Context API is designed for dependency injection, not frequent state updates. Using it for state management causes every consumer component to re-render whenever any value in the provider changes, which leads to performance issues.

Zustand State Management Patterns

Name: Zustand State Management Patterns
Author: agents-inc

byagents-inc

0•

開発者ツール

Implements high-performance React state management patterns using Zustand while enforcing architectural best practices for client-side data.

This skill provides expert guidance for managing client-side state in React applications, focusing on the Zustand library. It establishes a clear hierarchy for state placement—distinguishing between server data, URL parameters, shared UI state, and local component state—to prevent common pitfalls like Context API misuse or unnecessary re-renders. With specific support for Zustand v5, it helps developers implement atomic selectors, middleware like devtools and persist, and stable reference patterns to ensure scalable and performant frontend architectures.

主な機能

01URL-based state management for shareable filters

020 GitHub stars

03Architectural decision framework for state placement

04Optimized selector strategies using useShallow

05Zustand v5 implementation patterns and migration guides

06Context API anti-pattern prevention

ユースケース

01Implementing persistent UI preferences like themes or sidebar states

02Transitioning from prop-drilling or Context API to a scalable Zustand store

03Decoupling server data from client-side UI state for better performance

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add agents-inc/skills web-state-zustand

For use in Claude.ai and ChatGPT

Download Skill