Apply transform (deserialization) to row, before cell renderer

[florianbepunkt]

I load a large JSON file with approx 1000 rows. I want to deserialize the rows. Since the number of rows is high, I would like to deserialize only the currently visible rows in my paginated table.

So far the only way I have found is to do in every cell renderer, which feels inefficient and repetitive, as I would like to apply my deserialization / transform to the entire row. I though maybe a custom row model might be a good fit, but I haven't found any examples.

What would be a good way to achieve my goal?