public BaseTemplates(ILoader loader, string subFolder, Func <TVal, string> keySelector, object?mapperParameter = null)
{
var options = Loader.BuildJsonOptions();
resources = loader.GetAllJsonData($@"Data/{subFolder}").Values
.Select(sgen =>
{
var(stream, fileName) = sgen();
using var streamReader = new StreamReader(stream);
var @in = JsonSerializer.Deserialize <TIn>(streamReader.ReadToEnd(), options) !;
var result = GlobalMapper.Mapper.Map <TVal>(@in, mapperParameter) ?? (TVal)(object)@in;
result.FileName = Path.GetFileNameWithoutExtension(fileName);
return(result);
})
.ToImmutableDictionary(keySelector, StringComparer.CurrentCultureIgnoreCase);
}