-const logger = require('../helpers/logger')
+import 'express-validator'
+import * as express from 'express'
-function ensureIsAdmin (req, res, next) {
+import { logger } from '../helpers'
+
+function ensureIsAdmin (req: express.Request, res: express.Response, next: express.NextFunction) {
const user = res.locals.oauth.token.user
if (user.isAdmin() === false) {
logger.info('A non admin user is trying to access to an admin content.')