react-19

Enforce React 19 patterns with React Compiler and Server Components.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/jovivaspo/base-agent-next-app --skill react-19-jovivaspo
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: react-19
Source: https://github.com/jovivaspo/base-agent-next-app/tree/main/skills/react-19
Command: npx skills add https://github.com/jovivaspo/base-agent-next-app --skill react-19-jovivaspo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers adopt modern React 19 patterns, leveraging the React Compiler for automatic optimizations and simplifying component development.

Core Features & Use Cases

  • Automatic Optimization: Eliminates the need for manual useMemo and useCallback due to React Compiler.
  • Modern Hooks & APIs: Demonstrates correct usage of use hook for promises and context, and useActionState for server actions.
  • Server Components: Guides on structuring applications with Server Components as the default.
  • Use Case: When building a new React 19 application or refactoring an existing one to use the latest features and best practices for performance and maintainability.

Quick Start

Write a React 19 component that fetches data using the use hook with a promise.

Frequently Asked Questions about react-19

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

FAQPage Schema
How do I stop using useMemo and useCallback in React 19 with the React Compiler?

React Compiler handles automatic memoization in React 19, eliminating the need for manual useMemo and useCallback hooks. It automatically optimizes component rendering performance, allowing you to write standard JavaScript without manual memoization overhead.

What is the correct way to use the use hook for promises in React 19?

The use hook in React 19 allows you to unwrap promises directly within your components during render. It enables efficient data fetching by integrating promise resolution into the component lifecycle, simplifying asynchronous data handling compared to previous patterns.

How do I structure React 19 Server Components as the default in my application?

React 19 Server Components should be set as the default architecture for your application structure. This Skill guides you on structuring applications with Server Components by default, ensuring optimal data fetching and rendering performance best practices are followed.

Can I use useActionState for server actions in a React 19 application?

Yes, useActionState is the modern hook for managing server actions in React 19. It works alongside the React Compiler to handle form states and action results efficiently, ensuring type safety and maintainable server action implementations.

Does React 19 require specific import styles for optimal compiler integration?

Yes, React 19 enforces specific import styles and component structuring rules to achieve optimal React Compiler integration. Adhering to these requirements ensures automatic memoization and modern hook usage function correctly within your application.

What is the best way to refactor an existing React app to use React 19 patterns?

Refactoring to React 19 involves adopting Server Components by default, replacing manual memoization with React Compiler optimizations, and updating data fetching to use the use hook. This ensures your application achieves modern performance and maintainability standards.