What problem does it solve?
Zustand projects can become slow and inconsistent when state is selected incorrectly, persisted carelessly, or structured without predictable update boundaries.
Core Features & Use Cases
- Avoid unnecessary re-renders: Use selectors and shallow comparison (useShallow) to keep components from updating on unrelated store changes.
- Persist client state safely: Store UI settings and session data via the persist middleware using a stable storage key.
- Scale store architecture: Implement async actions and slices to organize complex domains like user state, cart items, and loading/error handling.
- Optional middleware & integrations: Add Immer for ergonomic immutable updates and devtools for debugging with named store instrumentation.
- Use outside React when needed: Read state and subscribe to changes from non-component contexts for side-effect orchestration.
Real-world use case: building an admin dashboard where user profile, settings, and data-fetch results must update predictably while avoiding UI churn during background polling.
Quick Start
Implement your Zustand store with selective selectors, optional persist middleware for settings, and async actions that toggle loading and error states.