nextjs-react-typescript

SKILL.md

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