Effective Code Review

Code Review Best Practices

What to Look For

1. Correctness: Does it work? Edge cases handled?
2. Security: Input validation? Auth checks? SQL/XSS?
3. Performance: N+1 queries? Unnecessary re-renders?
4. Maintainability: Clear naming? Single responsibility?
5. Tests: Adequate coverage? Testing behavior not implementation?

How to Give Feedback

Review Checklist for Next.js

• Server vs Client Component placement
• Proper use of loading.tsx and error.tsx
• Caching strategies appropriate?
• Environment variables not exposed to client
• Type safety maintained