SystemExtensions/SystemExtensions.NetStandard.DependencyInjection/Configuration/LiveOptionsResolver.cs

using Slim.Resolvers;

namespace System.Extensions.Configuration
{
    public sealed class LiveOptionsResolver : IDependencyResolver
    {
        private static readonly Type optionsType = typeof(LiveUpdateableOptionsWrapper<>);

        public bool CanResolve(Type type)
        {
            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(ILiveOptions<>))
            {
                return true;
            }

            return false;
        }

        public object Resolve(Slim.IServiceProvider serviceProvider, Type type)
        {
            var typedOptionsType = optionsType.MakeGenericType(type.GetGenericArguments());
            var configurationManager = serviceProvider.GetService<IOptionsManager>();

            return Activator.CreateInstance(typedOptionsType, configurationManager);
        }
    }
}