API Serialization Patterns

소개

The Serialization Patterns skill provides comprehensive guidance for transforming internal database models into clean, external-facing API responses. It helps developers maintain a strict separation between internal logic and public data structures, ensuring sensitive information is protected, data is normalized, and responses follow industry standards like JSON:API or paginated formats. This is essential for building scalable, secure, and well-documented backends in TypeScript and Node.js environments by providing patterns for class-based serializers, conditional field rendering, and deep sanitization.

주요 기능

• Standardized paginated response structures and metadata
• Deep sanitization of sensitive fields like passwords and API keys
• Explicit internal-to-external model transformation patterns
• Support for JSON:API formatting and consistent date normalization
• Nested and conditional field serialization for complex objects
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사용 사례

• Formatting complex database models for public REST API endpoints
• Standardizing pagination and error envelopes across a backend microservice
• Ensuring sensitive credentials are never leaked in JSON responses