Automapper Registration Extension

MapperBuilderExtensions.cs

using AutoMapper;
using System.Reflection;

namespace Microsoft.Extensions.DependencyInjection
{
    public static class MapperBuilderExtensions
    {
        public static IServiceCollection AddAutoMapperModule<T>(this IServiceCollection services) where T : Profile
        {
            List<Type> profiles = [];
            List<string> projectDLLs = [.. Directory.GetFiles(AppDomain.CurrentDomain.BaseDirectory, "DLLPREFIXIFEXIST.*.dll", SearchOption.TopDirectoryOnly)];
            projectDLLs.ForEach(dll => profiles.AddRange(Assembly.LoadFrom(Path.GetFullPath(dll)).GetTypes().Where(x => x.BaseType == typeof(T)).ToList()));

            services.AddAutoMapper(profileAssemblyMarkerTypes: [.. profiles]);

            return services;
        }
    }
}