react▌

Comprehensive performance optimization guide for React 19/19.2 applications. Contains 41 rules across 8 categories, prioritized by impact from critical (concurrent rendering, server components) to incremental (component patterns).

Declarative mode is React Router's simplest mode using <BrowserRouter>, <Routes>, and <Route> for basic client-side routing without data loading features like loaders or actions.

Write stories for React Native components using @storybook/react-native v10 and Component Story Format (CSF).

$20

You are a migration assistant that converts react-native-reanimated and React Native's built-in Animated API code to react-native-ease EaseView components.

react-native

React Three Fiber renderer for json-render. 19 built-in 3D components.

Implication: Core logic is framework-agnostic. When contributing or debugging, check if issue is in @xyflow/system or framework-specific package.

Performance and composition patterns for React 19 + Vite + Cloudflare Workers projects. Use as a checklist when writing new components, a review guide when auditing existing code, or a refactoring playbook when something feels slow or tangled.

Performance optimization and architecture patterns for React Router applications. Contains 55 rules across 11 categories focused on data loading, actions, forms, streaming, and route organization.