Musubix Best Practices

Best Practices Skill

14以上のプロジェクトから学習した17のベストプラクティス。

Code Patterns (5)

BP-CODE-004: Function-based VO

// ✅ 推奨
interface Price { readonly amount: number; readonly currency: 'JPY'; }
function createPrice(amount: number): Result<Price, ValidationError> {
  if (amount < 100) return err(new ValidationError('...'));
  return ok({ amount, currency: 'JPY' });
}

// ❌ 非推奨: class-based

Design Patterns (7)

BP-DESIGN-001: Status Transition Map

const validTransitions: Record<Status, Status[]> = {
  draft: ['active', 'cancelled'],
  active: ['completed', 'cancelled'],
  completed: [], cancelled: [],
};

Test Patterns (5)

CLI

npx musubix learn best-practices               # 全パターン表示
npx musubix learn best-practices --category code
npx musubix learn best-practices --high-confidence

出力例

┌────────────────────────────────────────────────┐
│ Best Practices Applied                         │
├────────────────────────────────────────────────┤
│ Code Patterns:   5 applied                     │
│ Design Patterns: 7 applied                     │
│ Test Patterns:   5 applied                     │
│ Confidence:      95% average                   │
└────────────────────────────────────────────────┘