
Pass the context object to the callback so that it can be modified. I think this is more future proof as things can be added later to the context and it means that the return of the callback is only the data that is to be used.
Pass the context object to the callback so that it can be modified. I think this is more future proof as things can be added later to the context and it means that the return of the callback is only the data that is to be used.