Function isFileStreamable

src/Routers/FilesRouter.js:837–844

(req, filesController)

}

function isFileStreamable(req, filesController) {
  const range = (req.get('Range') || '/-/').split('-');
  const start = Number(range[0]);
  const end = Number(range[1]);
  return (
    (!isNaN(start) || !isNaN(end)) && typeof filesController.adapter.handleFileStream === 'function'
  );
}