Union two models in new model.

[Zombach]

Is it possible to combine two models into one? Ignoring empty properties from the second model

//Base
public class A
{
      public string? V {get;set;} = "123";
      public string? V2 {get;set;} = "text";
}

//Adding
public class A
{
      public string? V {get;set;} = null;
      public string? V2 {get;set;} = "111";
}

//Result
public class A
{
      public string V {get;set;} = "123";
      public string V2 {get;set;} = "111";
}

[TimothyMakkison]

Have you tried using existing target mappings. Not sure about the nullability behaviour.

[latonz]

You can use existing target mappings (as mentioned by @TimothyMakkison) in combination with AllowNullPropertyAssignment = false, this should work to merge objects where all source properties are nullable.

[Mapper(AllowNullPropertyAssignment = false)]
static partial class Mapper
{
    public static partial void Merge(A source, B target);
}

// generates
public static partial void Merge(global::A source, global::B target)
{
    if (source.V != null)
    {
        target.V = source.V;
    }
    if (source.V2 != null)
    {
        target.V2 = source.V2;
    }
}