React 19 Guide

Welcome to the React 19 development guide. This guide covers best practices, standards, and project structure for modern React applications.

Introduction to React 19

React 19 is a leading JavaScript library for building user interfaces and single-page applications. It introduces new features for performance, developer experience, and scalability.

Core Features

  • Function Components & Hooks: Modern approach for state and side effects.
  • Concurrent Rendering: Improved responsiveness and scheduling.
  • Server Components: Efficient data fetching and rendering on the server.
  • TypeScript Support: First-class integration for type safety.
  • Rich Ecosystem: Official libraries (React Router, React Query, Redux) and third-party plugins.

Use Cases

  • SPAs (Single Page Applications)
  • PWAs (Progressive Web Apps)
  • Admin dashboards
  • E-commerce sites
  • Prototyping and MVPs

Getting Started

  • Install with Vite: npm create vite@latest my-react-app -- --template react
  • Official documentation: https://react.dev/

Community & Support

References