return [
query('sort').optional().isIn(sortableColumns).withMessage('Should have correct sortable column'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
return [
query('sort').optional().isIn(sortableColumns).withMessage('Should have correct sortable column'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {