sapierre's .cursorrules prompt files

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TypeScript Tailwind Next.js SSR .cursorrules prompt file

Code Style and Structure:

Write concise, technical TypeScript code with accurate examples
Use functional and declarative programming patterns; avoid classes
Prefer iteration and modularization over code duplication
Use descriptive variable names with auxiliary verbs (e.g., isLoading, hasError)
Structure 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:

Avoid unnecessary curly braces in conditionals; use concise syntax for simple statements
Use declarative JSX

Error Handling and Validation:

Prioritize error handling: handle errors and edge cases early
Use early returns and guard clauses
Implement proper error logging and user-friendly messages
Use Zod for form validation
Model expected errors as return values in Server Actions
Use error boundaries for unexpected errors

UI and Styling:

Use Shadcn UI, Radix, and Tailwind Aria for components and styling
Implement responsive design with Tailwind CSS; use a mobile-first approach

Performance Optimization:

Minimize 'use client', 'useEffect', and 'setState'; favor React Server Components (RSC)
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':
Favor server components and Next.js SSR
Use only for Web API access in small components
Avoid for data fetching or state management

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TypeScript Tailwind Next.js SSR .cursorrules prompt file