private static bool IsValidImplementationFieldType(
IOutputType fieldType,
IOutputType implementedType)
{
if (fieldType.IsNonNullType())
{
fieldType = (IOutputType)fieldType.InnerType();
if (implementedType.IsNonNullType())
{
implementedType = (IOutputType)implementedType.InnerType();
}
return(IsValidImplementationFieldType(fieldType, implementedType));
}
if (fieldType.IsListType() && implementedType.IsListType())
{
return(IsValidImplementationFieldType(
(IOutputType)fieldType.ElementType(),
(IOutputType)implementedType.ElementType()));
}
if (ReferenceEquals(fieldType, implementedType))
{
return(true);
}
if (fieldType is ObjectType objectType &&
implementedType is UnionType unionType &&
unionType.IsAssignableFrom(objectType))
{
return(true);
}
if (fieldType is IComplexOutputType complexType &&
implementedType is InterfaceType interfaceType &&
complexType.IsImplementing(interfaceType))
{
return(true);
}
return(false);
}
