React

Provides guidance on React component patterns, hooks, and state management.

Updated Dec 30, 2025
One-click install
npx skills add https://github.com/vietlinhh02/cogninote --skill react-vietlinhh02
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: React
Source: https://github.com/vietlinhh02/cogninote/tree/main/.claude/skills/frameworks/react
Command: npx skills add https://github.com/vietlinhh02/cogninote --skill react-vietlinhh02

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides guidance and examples for building robust and maintainable React applications, focusing on best practices for components, hooks, and state management.

Core Features & Use Cases

  • Component Patterns: Demonstrates functional components with TypeScript props.
  • Hooks Usage: Illustrates common hooks like useState, useEffect, useMemo, and useCallback.
  • Custom Hooks: Shows how to create reusable custom hooks for complex logic.
  • Context API: Explains the Context pattern for global state management.
  • Use Case: When developing a new feature in a React app, consult this Skill for the recommended way to structure a new component, manage its local state, and handle side effects.

Quick Start

Show me an example of a functional React component that accepts props and uses TypeScript.

Frequently Asked Questions about React

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

FAQPage Schema
What is the best way to manage state in React components?

The best way to manage state in React components involves using hooks for local state and the Context API for global state orchestration. This approach ensures scalable and maintainable codebases by keeping component logic encapsulated and reusable.

How do I create custom hooks in React for complex logic?

To create custom hooks in React, extract complex component logic into reusable functions using built-in hooks like useState and useEffect. This pattern separates concerns, making your functional components cleaner and your application logic easier to test and maintain.

When should I use useMemo and useCallback in React?

You should use useMemo and useCallback in React to optimize performance by memoizing expensive calculations and preventing unnecessary re-renders. These hooks are essential for efficient React development, particularly when passing callbacks to optimized child components.

Does this React guidance include TypeScript patterns for functional components?

Yes, this React guidance includes TypeScript patterns for functional components. It demonstrates how to properly type props and component structures, ensuring type safety and scalability when building robust frontend applications.

How does the Context API work for global state management in React?

The Context API works for global state management in React by allowing data to be passed through the component tree without prop drilling. It provides a structured pattern to orchestrate state efficiently across your application, maintaining codebase scalability.

Why should I use functional components over other patterns in React?

You should use functional components in React because they support hooks, enabling simpler state management and side-effect handling. This pattern is the recommended approach for building maintainable, efficient, and scalable frontend codebases.