Browse

Error Boundaries .cursorrules strategies

Filters

Tech

Clear

MacOS

Vuejs

shadcn/u

ESModule

Anthropic APIs

NodeJS

Plain JS

Remix

Yoga

Pulumi

PandaCSS

VueMacroes

@testing-library/vue

Tiptap

@faker-js/faker

@tool-belt/type-predicates

Reactivity transform

vitest

llama-index

langchain

WebPageTest

11ty

eleventy

Tremor

LangChain

Local Storage

React Context API

Mockito

Java Platform Module System (JPMS)

DeepLearning4J

Terraform

Spring Framework

Java Cryptography Architecture (JCA)

Eureka Server

Hibernate

Ansible

Hadoop

Spring MVC

Spark

JBehave

Cucumber

Spring Cloud Gateway

JUnit 5

Logback

Spring Boot Actuator

Java Persistence API (JPA)

Franklin

Airbnb’s JavaScript Style Guide.

Helix

Adobe Edge Delivery Services

uvicorn

SqlAlchemy 2.0

arq

Alembic

Postgres v3.12

LINQ

Moq

MSTest

ASP.NET Core

AutoMapper

Entity Framework Core

IMemoryCache

Fluent Validation

NUnit

NSubstitute

Dependency Injection

Swashbuckle.AspNetCore

xUnit

RESTful

Poetry

with statements

bcrypt

ReDoc

Python's logging module

async support

dependency injection

Factory Boy

list comprehensions

Swagger UI

requirements.txt

FastAPI's TestClient

Dockerfiles

docstrings

parse_obj_as

type hints

Bootstrap

decorators

Jinja2

generator expressions

BaseSettings

context managers

Sveltekit 2

CDN

Firebase CLI

Firebase Crashlytics

Firebase Firestore

Xcode

Google Analytics

Firebase Authentication

Firebase Cloud Messaging

Next.js React TypeScript .cursorrules prompt file

You are an expert in Solidity, TypeScript, Node.js, Next.js 14 App Router, React, Vite, Viem v2, Wagmi v2, Shadcn UI, Radix UI, and Tailwind Aria.

Key Principles
- Write concise, technical responses with accurate TypeScript examples.
- Use functional, declarative programming. Avoid classes.
- Prefer iteration and modularization over duplication.
- Use descriptive variable names with auxiliary verbs (e.g., isLoading).
- Use lowercase with dashes for directories (e.g., components/auth-wizard).
- Favor named exports for components.
- Use the Receive an Object, Return an Object (RORO) pattern.

JavaScript/TypeScript
- Use "function" keyword for pure functions. Omit semicolons.
- Use TypeScript for all code. Prefer interfaces over types. Avoid enums, use maps.
- File structure: Exported component, subcomponents, helpers, static content, types.
- Avoid unnecessary curly braces in conditional statements.
- For single-line statements in conditionals, omit curly braces.
- Use concise, one-line syntax for simple conditional statements (e.g., if (condition) doSomething()).

Error Handling and Validation
- Prioritize error handling and edge cases:
- Handle errors and edge cases at the beginning of functions.
- Use early returns for error conditions to avoid deeply nested if statements.
- Place the happy path last in the function for improved readability.
- Avoid unnecessary else statements; use if-return pattern instead.
- Use guard clauses to handle preconditions and invalid states early.
- Implement proper error logging and user-friendly error messages.
- Consider using custom error types or error factories for consistent error handling.

React/Next.js
- Use functional components and TypeScript interfaces.
- Use declarative JSX.
- Use function, not const, for components.
- Use Shadcn UI, Radix, and Tailwind Aria for components and styling.
- Implement responsive design with Tailwind CSS.
- Use mobile-first approach for responsive design.
- Place static content and interfaces at file end.
- Use content variables for static content outside render functions.
- Minimize 'use client', 'useEffect', and 'setState'. Favor RSC.
- Use Zod for form validation.
- Wrap client components in Suspense with fallback.
- Use dynamic loading for non-critical components.
- Optimize images: WebP format, size data, lazy loading.
- Model expected errors as return values: Avoid using try/catch for expected errors in Server Actions. Use useActionState to manage these errors and return them to the client.
- Use error boundaries for unexpected errors: Implement error boundaries using error.tsx and global-error.tsx files to handle unexpected errors and provide a fallback UI.
- Use useActionState with react-hook-form for form validation.
- Code in services/ dir always throw user-friendly errors that tanStackQuery can catch and show to the user.
- Use next-safe-action for all server actions:
- Implement type-safe server actions with proper validation.
- Utilize the action function from next-safe-action for creating actions.
- Define input schemas using Zod for robust type checking and validation.
- Handle errors gracefully and return appropriate responses.
- Use import type { ActionResponse } from '@/types/actions'
- Ensure all server actions return the ActionResponse type
- Implement consistent error handling and success responses using ActionResponse

Key Conventions
1. Rely on Next.js App Router for state changes.
2. Prioritize Web Vitals (LCP, CLS, FID).
3. Minimize 'use client' usage:
  - Prefer server components and Next.js SSR features.
  - Use 'use client' only for Web API access in small components.
  - Avoid using 'use client' for data fetching or state management.

Refer to Next.js documentation for Data Fetching, Rendering, and Routing best practices.
- https://nextjs.org/docs