Convert between domain models, persistence entities, and API DTOs with static extension mappers.
npx skills add https://github.com/roromanenko/NewsParser --skill mappers
Please help me install this Agent Skill. Skill: mappers Source: https://github.com/roromanenko/NewsParser/tree/main/.claude/skills/mappers Command: npx skills add https://github.com/roromanenko/NewsParser --skill mappers
Defines a consistent approach to mapping between domain models and persistence entities, and to API DTOs, ensuring predictable transformations and minimizing ad-hoc code.
Create a new AggregateMapper.cs in the appropriate layer and implement static extension methods following the conventions.
High-intent search queries and answers about installing and using this skill.
You can map domain models to persistence entities using static extension methods. This approach requires no instances, no dependency injection, and no side effects, ensuring predictable transformations between layers.
The standard structure for mapping domain models to API DTOs uses one file per aggregate, such as AggregateMapper.cs. Static extension methods handle the Domain to DTO conversion within the API layer explicitly.
Mapping enums and navigation properties between domain and entity requires strict, explicit patterns defined in the mapper. The static extension methods apply these predefined conventions to ensure consistent transformations across infrastructure and API layers.
Yes, you can use static extension methods for vector data mapping in the infrastructure layer. The mapper provides explicit patterns for vector handling, ensuring safe transformations between domain models and persistence entities.
The best way to organize mapper files for multiple domain aggregates is dedicating one AggregateMapper.cs per aggregate. Related sub-types reside in the same file, keeping infrastructure and API layer mappings structured and predictable.
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