RangeError: Offset is outside the bounds of the DataView, split binary file in chuncks

i have simple threejs viewer and it should work with big stl file size, so currently for files over 300mb the browser is crashing on parse the data from file, i was thinking to split data from file in chunks and parse this chuncks as different geometries, but catch error RangeError: Offset is outside the bounds of the DataView can someone give an advise how to fix stl binary parser to ge full model data for webgl context?

from RangeError: Offset is outside the bounds of the DataView, split binary file in chuncks