dotnet-mapping-standard

You standardize .NET data mapping by using source-generated mappers and explicit boundary conversions between DTOs, domain models, and persistence models. This approach ensures deterministic, testable mapping paths while avoiding runtime reflection magic.

Source generation for mapping DTOs in .NET uses compile-time tools like Mapperly to generate mapping code automatically. This provides safety and performance by creating deterministic, testable mapping paths between objects without the runtime overhead of reflection.

The best way to map strongly-typed IDs and value objects in .NET is to use explicit patterns provided by source-generated mappers. This ensures clear, type-safe conversions between layers while maintaining the integrity of your domain model boundaries.

You need explicit boundary conversions for .NET application layers when translating data between API requests, domain models, and persistence models. Enforcing mapping at these defined architectural boundaries prevents logic scattering and improves overall code clarity and maintainability.

Yes, you can use Mapperly to map a CreateOrderRequest DTO to a CreateOrderCommand. This Skill guides the creation of safe, explicit, and testable source-generated mappings for converting request DTOs into domain layer commands.

You avoid runtime reflection magic for mapping in .NET to ensure deterministic, testable mapping paths. Source-generated mappers provide compile-time safety and better performance, reducing the runtime errors and inconsistencies common with reflection-based mapping approaches.