beforemerge BeforeMerge: Next.js Review
Comprehensive code review knowledge base for Next.js, React, and TypeScript applications. Contains rules across 4 categories — security, performance, architecture, and quality — prioritized by impact.
When to Apply
Reference these rules when:
- Reviewing pull requests for Next.js/React/TypeScript projects
- Writing new components, API routes, or server actions
- Auditing existing code for security vulnerabilities
- Refactoring code for performance or maintainability
- Running pre-merge quality checks
Rule Categories by Priority
| Priority | Category | Impact | Prefix | Focus |
|---|---|---|---|---|
| 1 | Security | CRITICAL | sec- |
OWASP/CWE mapped anti-patterns |
| 2 | Performance | HIGH | perf- |
Runtime and build-time optimization |
| 3 | Architecture | MEDIUM | arch- |
Design patterns and code organization |
| 4 | Quality | LOW-MEDIUM | qual- |
Maintainability and code health |
How to Use
Read individual rule files in rules/ for detailed explanations and code examples.
Each rule contains:
- Brief explanation of why it matters
- Incorrect code example with explanation
- Correct code example with explanation
- CWE/OWASP mapping where applicable
- References to official documentation
For the complete compiled guide: AGENTS.md