react▌

React and Next.js performance optimization guide with 64 prioritized rules across 8 categories. \n \n Organized by impact level, from critical waterfalls and bundle optimization down to advanced patterns, each rule includes incorrect/correct code examples and explanations \n Covers eight domains: async patterns, bundle size, server-side caching, client-side data fetching, re-render optimization, rendering performance, JavaScript efficiency, and advanced patterns \n Designed for use during compon

Specialized workflow for building React and Next.js 14+ applications with modern patterns including App Router, Server Components, TypeScript, and Tailwind CSS.

Router Setup (Data Mode):

$22

Structured performance optimization reference for React Native apps covering FPS, bundle size, TTI, and memory. \n \n Organized into 9 JavaScript/React guides (profiling, lists, animations, memory), 9 native optimization guides (Turbo Modules, threading, profiling), and 9 bundling guides (tree shaking, code splitting, size analysis) \n Each reference follows a hybrid format with quick patterns/commands, impact ratings (CRITICAL/HIGH/MEDIUM), and deep-dive explanations with prerequisites and comm

Effects are an escape hatch from React. They let you synchronize with external systems. If there is no external system involved, you shouldn't need an Effect.

Principles for building production-ready React applications.

Create robust cross-platform mobile applications using React Native with modern development patterns including navigation, state management, API integration, and native module handling.

Expert code reviewer for TypeScript and React 19 applications with deep anti-pattern detection. \n \n Identifies critical issues including useEffect abuse, state mutations, conditional hook calls, and React 19-specific bugs like useFormStatus in form components \n Covers three priority levels: critical (blocks merge), high priority (stale closures, missing boundaries), and architecture/style recommendations \n Includes state management guidance for server data (TanStack Query), global UI state (

A senior-level guide for building production-ready React Single Page Applications (SPAs) with Vite.