Morcatko.AspNetCore.JsonMergePatch.SystemText — nugetz

using Morcatko.AspNetCore.JsonMergePatch;

public void ConfigureServices(IServiceCollection services)
{
    ...
    services
        .AddMvc()                         // or .AddMvcCore()
        //.AddJsonMergePatch();           // 2.x
        //.AddNewtonsoftJsonMergePatch(); // 3+ (Newtonsoft.Josn)
        //.AddSystemTextJsonMergePatch(); // 3+ (System.Text)
    ...
}

using Morcatko.AspNetCore.JsonMergePatch;

[HttpPatch]
[Consumes(JsonMergePatchDocument.ContentType)]
public void Patch([FromBody] JsonMergePatchDocument<Model> patch)
{
    ...
    patch.ApplyTo(backendModel);
    ...
}

BackendModel backendModel;
JsonMergePatch<DtoModel> patch;
patch.ApplyToT(backendModel)

services.AddSwaggerGen(c =>
    {
        c.OperationFilter<JsonMergePatchDocumentOperationFilter>();
    });

services
    .AddMvc()
    .AddJsonMergePatch(o => ....)

Morcatko.AspNetCore.JsonMergePatch.Tests.Builder.Json

public void UnitTest()
{
    var model = new Model();
    var patch1 = PatchBuilder.Build<Model>("{ integer: 1}");
    ...
    or
    ...
    var original = new Model();
    var patched = new Model() { Integer = 1};
    var patch2 = PatchBuilder.Build(original, patched);
}