improve code quality

src/routes/admin/mentee/mentee.route.ts

@@ -1,11 +1,9 @@
 import express from 'express'
 import { requireAuth } from '../../../controllers/auth.controller'
-import {
-  getAllMenteeEmails,
-} from '../../../controllers/admin/email.controller'
+import { getAllMenteeEmails } from '../../../controllers/admin/email.controller'
 
 const menteeRouter = express.Router()
 
-menteeRouter.get('/emails/', /*requireAuth,*/ getAllMenteeEmails)
+menteeRouter.get('/emails/', requireAuth, getAllMenteeEmails)
 
 export default menteeRouter

src/services/admin/email.service.ts

@@ -18,6 +18,6 @@ export const getAllMenteeEmailsService = async (
   return {
     statusCode: 200,
     emails,
-    message: 'All mentee emails with status ' + (status || 'undefined')
+    message: 'All mentee emails with status ' + (status ?? 'undefined')
   }
 }