react-patterns
Write React components with minimal state, proper memoization, and type-safe patterns. Use when creating components, managing state, or optimizing renders.
What this skill does
# React Patterns Core React patterns for component design, state management, and optimization. ## State Philosophy Avoid state variables. Prefer derived values and props. Scope state to the smallest subtree that needs it. Use discriminated unions for complex state. See [state-management.md](references/state-management.md) for: - Derived values over state - Component boundaries for state scoping - Context API patterns - Zustand for complex state - State machines over multiple useState ## Memoization Required for any O(n) operation. Memoize atomically to minimize dependency arrays. Use Loader/Inner pattern to narrow types before useMemo. See [memoization.md](references/memoization.md) for: - When to useMemo - Atomic memoization - useCallback for handlers - Loader/Inner pattern for type narrowing ## Conditional Logic Use affirmative logic, explicit conditionals, and ternaries over `&&`. Early returns for guard clauses. See [conditional-logic.md](references/conditional-logic.md) for: - Affirmative logic - Explicit conditionals - Conditional rendering - Type narrowing with conditionals - Early returns
Related in Web Dev
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