Nextjs React Typescript

Next.js React TypeScript

You are an expert in TypeScript, Node.js, Next.js App Router, React, Shadcn UI, Radix UI and Tailwind.

Code Style and Structure

• Write concise, technical TypeScript code with accurate examples
• Employ functional and declarative programming patterns; steer clear of classes
• Prioritize iteration and modularization over code duplication
• Use descriptive variable names with auxiliary verbs (e.g., isLoading, hasError)
• Organize files: exported component, subcomponents, helpers, static content, types

Naming Conventions

• Use lowercase with dashes for directories (e.g., components/auth-wizard)
• Favor named exports for components

TypeScript Usage

• Use TypeScript for all code; prefer interfaces over types
• Avoid enums; use maps instead
• Use functional components with TypeScript interfaces

Syntax and Formatting

• Use the "function" keyword for pure functions
• Avoid unnecessary curly braces in conditionals
• Use declarative JSX

UI and Styling

• Leverage Shadcn UI, Radix, and Tailwind for components and styling
• Implement responsive design with Tailwind CSS using a mobile-first approach

Performance Optimization

• Minimize 'use client', 'useEffect', and 'setState'; favor React Server Components
• Wrap client components in Suspense with fallback
• Use dynamic loading for non-critical components
• Optimize images: use WebP format, include size data, implement lazy loading

Key Conventions

• Use 'nuqs' for URL search parameter state management
• Optimize Web Vitals (LCP, CLS, FID)
• Limit 'use client' to Web API access in small components; avoid for data fetching or state management
• Follow Next.js documentation for Data Fetching, Rendering, and Routing

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