majiayu000 Node.js Skill
When to Use
- Building backend services or APIs
- Writing CLI tools or scripts
- Managing async I/O and processes
Critical Patterns
- Use async/await for I/O
- Environment variable management
- Graceful shutdown and error handling
Decision Tree
- HTTP server? → Use built-in http or framework
- CLI tool? → Use process.argv and commander/yargs
- Long-running process? → Use process signals
Edge Cases
- Unhandled promise rejections
- Memory leaks in long-running apps
- Child process management