react-patterns

Standardize React callbacks with useCallback and useEffectEvent for stable references.

10|Updated May 22, 2025
One-click install
npx skills add https://github.com/firtoz/cf-multiworker-starter-kit --skill react-patterns-firtoz
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: react-patterns
Source: https://github.com/firtoz/cf-multiworker-starter-kit/tree/main/agents/skills/react-patterns
Command: npx skills add https://github.com/firtoz/cf-multiworker-starter-kit --skill react-patterns-firtoz

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

React patterns that standardize and simplify callbacks, event handlers, and module-level constants to reduce bugs and re-renders across components.

Core Features & Use Cases

  • Callbacks and Event Handlers: Use useCallback for stable function references and useEffectEvent for latest props/state access without re-running effects.
  • Module-Level Constants: Define constants at the module scope to ensure consistent values and avoid recreation across renders.
  • Use Cases: Ideal for UI libraries, complex forms, and component composition where predictable behavior and performance matter.

Quick Start

Refactor components to adopt useCallback and useEffectEvent for stable handlers, and move constants to module scope.

Frequently Asked Questions about react-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent React re-renders caused by unstable callback references?

React re-renders from unstable callbacks are reduced by applying useCallback for stable function references and useEffectEvent to access latest props. This standardizes handlers to prevent unnecessary component updates.

How do I access latest props in React event handlers without re-running effects?

Access latest props in React event handlers without re-running effects by using useEffectEvent. This pattern standardizes event handlers to always read the latest state while keeping effect dependencies stable.

When should I move React constants to module-level scope?

Move React constants to module-level scope when you need consistent values across renders. Defining constants at module scope avoids recreating objects on every render, ensuring consistent behavior in complex forms and UI libraries.

Does this React patterns approach work with TypeScript and complex forms?

Yes, this React patterns approach works with TypeScript and complex forms. It standardizes callbacks and event handlers to provide predictable references, satisfying functional requirements for UI components and hooks integrations.

What is the best way to standardize React event handlers across UI components?

The best way to standardize React event handlers is combining useCallback for stable references and useEffectEvent for latest state access. This reduces bugs in component composition where predictable behavior matters.

Why does my React component still re-render when using useCallback?

If your React component still re-renders with useCallback, you may need to move constants to module scope or use useEffectEvent for latest props access. Standardizing all handlers and constants ensures predictable references.