Pre Commit Quality Checking

Pre-Commit Quality Checking

Automates the mandatory checklist from .claude/modules/code-review-standards.md.

Quick Workflow

When ready to commit, run these checks in order:

1. Build verification: npm run build
2. Test verification: npm test
3. Pattern validation: bash .claude/skills/pre-commit-quality/scripts/validate-patterns.sh

All three must pass before committing.

Step-by-Step Process

Step 1: Run Build

npm run build

Must pass with zero errors. If build fails:

• Fix TypeScript errors shown in output
• Rerun build until it passes
• See typescript-standards.md for type safety patterns

Step 2: Run Tests

npm test

All tests must pass. If tests fail:

• Review failing test output
• Fix the issues causing failures
• Rerun tests until all pass
• See testing-standards.md for testing patterns

Step 3: Validate Patterns

bash .claude/skills/pre-commit-quality/scripts/validate-patterns.sh

No violations allowed. Script checks for:

• any types (use specific types or unknown)
• Wrong Supabase client in wrong environment
• console.log in production code

If validation fails, fix the reported issues and rerun.

Complete Review Checklist

For the full pre-commit checklist, see:

• code-review-standards.md - Complete checklist
• nextjs-patterns.md - Next.js patterns
• supabase-security.md - Supabase security
• anti-patterns.md - What to avoid

Common Issues and Fixes

Build Fails: TypeScript Errors

• Check for missing types
• Ensure imports are correct
• Fix any any types to specific types

Tests Fail

• Read the test output carefully
• Fix the code causing the failure
• Ensure all test files are updated

Pattern Validation Fails

any types found:

• Replace with specific type: Recipe, User, etc.
• Use unknown if type is truly unknown
• Add type guards for union types

Wrong Supabase client:

• Server Components: import { createClient } from '@/lib/supabase/server'
• Client Components: import { createClient } from '@/lib/supabase/client'

console.log found:

• Remove from production code
• Use proper logging if needed
• console.log is fine in test files

After All Checks Pass

Once all checks pass:

1. Stage your changes: git add .
2. Commit with descriptive message
3. See CLAUDE.md for commit message format

Philosophy

This skill enforces quality standards without you having to remember every check. It references the documentation in modules/ for the "why" and "what", while providing the "how" to validate.

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