private static ExtendedType FromType(
Type type,
Type?source,
bool nullable,
TypeCache cache)
{
type = Helper.RemoveNonEssentialTypes(type);
if (type.IsGenericType)
{
Type definition = type.GetGenericTypeDefinition();
if (definition == typeof(NonNullType <>))
{
return(FromType(type.GetGenericArguments()[0], type, false, cache));
}
if (definition == typeof(ListType <>))
{
return(cache.GetOrCreateType(
source is not null ? source : type,
() =>
{
ExtendedType elementType =
FromType(type.GetGenericArguments()[0], null, true, cache);
return new ExtendedType(
type,
ExtendedTypeKind.Schema,
typeArguments: new[] { elementType },
source: source,
definition: typeof(ListType <>),
isNullable: nullable,
isList: true,
elementType: elementType);
}));
}
}
return(cache.GetOrCreateType(
source ?? type,
() =>
{
Type?definition = type.IsGenericType
? type.GetGenericTypeDefinition()
: null;
return new ExtendedType(
type,
ExtendedTypeKind.Schema,
typeArguments: SystemType.GetGenericArguments(type, cache),
source: source,
definition: definition,
isNullable: nullable,
isNamedType: true);
}));
}