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Version du 18 janvier 2025 à 23:07

Links

Mapping

// create destination from data from source
var destination = source.Adapt<Destination>();

// update destination with data from source
source.Adapt(destination);

Configuration

// global config
TypeAdapterConfig.GlobalSettings.Default.IgnoreNullValues(true);

// config the mapping from Item to ItemDto
TypeAdapterConfig<Item, ItemDto>  // src, dest
    .NewConfig()  // create new map config (overwrite existing ones)
    .ForType()    // OR create a map config if no one exists, otherwise append to th existing one
    .Ignore(dest => dest.Prop1)  // do not map Prop1
    .Map(dest => dest.Prop2, src => $"{0} {1}", src.Prop2, src.Prop3));  // custom mapping for Prop2

IRegister

Program.cs

// scan the assembly to get the classes implementing IRegister
TypeAdapterConfig.GlobalSettings.Scan(typeof(ItemMappingRegister).Assembly);

MappingRegisters/ItemMappingRegister.cs

public class ItemMappingRegister : IRegister
{
    public void Register(TypeAdapterConfig config) => config.NewConfig<CreateUpdateItemRequest, Item>();
}

Dependency Injection

dotnet add package Mapster.DependencyInjection

Program.cs

services.AddSingleton(TypeAdapterConfig.GlobalSettings);
services.AddScoped<IMapper, ServiceMapper>();

MyService.cs

public class MyService(IMapper mapper)
{
    public void Do()
    {
        var itemDto = mapper.Map<ItemDto>(item);
    }
}

Installation

dotnet add package Mapster