react▌

React hooks and components library for async state, reactive watching, lifecycle management, and error handling. \n \n Includes async hooks for state management and callbacks, watch hooks for reactive value tracking, and lifecycle utilities for component mounting \n Provides conditional rendering components (If/Else, Switch/Case) and error-safe hooks with built-in fallback behavior \n Offers advanced features: cross-component event bus, offset-based pagination, and fetch request/response interce

Automated React codebase scanner that detects security, performance, correctness, and architecture issues. \n \n Generates a 0-100 diagnostic score with actionable findings across four categories: security vulnerabilities, performance bottlenecks, correctness errors, and architectural problems \n Designed for post-change workflows: run after code modifications, fix flagged issues, then re-run to verify improvements \n Supports verbose output and diff mode to highlight changes between scans \n Id

tsx runs TypeScript + JSX files directly via Node with no config — no tsconfig.json needed. It uses esbuild under the hood and handles JSX transformation automatically.

Expert guidance for building Next.js applications with TypeScript, React Server Components, and modern UI libraries. \n \n Covers TypeScript best practices, functional component patterns, and Next.js App Router architecture with emphasis on Server Components over client-side rendering \n Recommends Shadcn UI, Radix UI, and Tailwind CSS for component building and responsive design using mobile-first approach \n Includes performance optimization strategies: dynamic loading, image optimization with

Accessible React component library built on Tailwind CSS v4 and React Aria with compound component patterns. \n \n Provides 20+ pre-built components (Button, Modal, Form, Card, TextField, etc.) using compound composition syntax ( Card.Header , Card.Content ) \n Requires Tailwind CSS v4 and uses CSS variables with oklch color space for theme customization; no provider wrapper needed in v3 \n Semantic variant system ( primary , secondary , tertiary , danger , ghost , outline ) for consistent inten

React and Next.js performance optimization guidelines across 45 rules in 8 priority categories. \n \n Covers critical waterfalls elimination, bundle size optimization, and server-side performance with specific patterns like Promise.all, dynamic imports, and React.cache() \n Includes medium-priority rules for re-render optimization, rendering performance, and JavaScript efficiency with concrete code examples \n Organized by impact level with prefixed rule names (async-, bundle-, server-, client-,

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45 performance rules for React and Next.js, organized by impact from waterfalls and bundle optimization down to advanced patterns. \n \n Covers 8 rule categories prioritized by impact: eliminating waterfalls (Promise.all, Suspense), bundle size (direct imports, dynamic loading), server-side caching, client-side deduplication, re-render optimization, rendering performance, JavaScript efficiency, and advanced patterns \n Each rule includes explanation, incorrect and correct code examples, and cont

React composition patterns for scaling components and avoiding boolean prop proliferation. \n \n Covers four priority categories: component architecture, state management, implementation patterns, and React 19 APIs, each with specific rules and code examples \n Includes 10+ named patterns addressing compound components, context providers, state lifting, and explicit variants \n Designed for refactoring bloated components, building reusable libraries, and reviewing component architecture decision

Production-ready React Native patterns with Expo, navigation, offline-first architecture, and native module integration. \n \n Covers Expo Router for file-based navigation, authentication flows with secure token storage, and route protection patterns \n Includes offline-first data sync using React Query with AsyncStorage persistence and online status detection \n Demonstrates native module integration for haptics, biometrics, push notifications, and platform-specific code patterns \n Provides pe