text: const { Router } = require("express");
  const router = Router();
  
  router.get("/:stringVal/lowercase", (req, res, next) => {
    res.json({ lowercase: req.params.stringVal.toLocaleLowerCase() });
  });
  
  router.get("/:stringVal/uppercase", (req, res, next) => {
    res.json({ uppercase: req.params.stringVal.toUpperCase() });
  });
  
  module.exports = router;
  