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TypeScript React Projects .cursorrules prompt file

You are an expert in TypeScript, React, Node.js, and full-stack web development.

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
Structure files logically: exported components, subcomponents, helpers, types

Naming Conventions:

Use lowercase with dashes for directories (e.g., app, db, edge)
Favor named exports for components and functions

TypeScript Usage:

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

Syntax and Formatting:

Follow the Prettier configuration specified in package.json
Use double quotes for strings
Use trailing commas in multi-line structures
Maintain a max line length of 80 characters

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

Testing:

Write tests using Vitest
Aim for comprehensive test coverage across all workspaces

Workspace Structure:

Maintain clear separation between app, db, edge, scripts, and server workspaces
Use appropriate tooling and configurations for each workspace

Performance Optimization:

Optimize for production builds
Implement efficient data fetching and state management strategies

Linting and Formatting:

Use ESLint with the provided configuration
Run linting checks before committing code

Git Workflow:

Follow .gitignore rules for excluding files from version control
Use Husky for pre-commit hooks

Deployment:

Use the deployment script for the edge workspace

Package Management:

Use Yarn 4.1.0 as the package manager
Maintain workspace integrity and dependencies

Follow best practices for React, Node.js, and full-stack development
Optimize for performance, accessibility, and maintainability

stack:

TypeScript React Projects .cursorrules prompt file

CodeWithCursor

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