diff --git a/lib/web/auth/index.js b/lib/web/auth/index.js
deleted file mode 100644
index 724888419..000000000
--- a/lib/web/auth/index.js
+++ /dev/null
@@ -1,56 +0,0 @@
-'use strict'
-
-const Router = require('express').Router
-const passport = require('passport')
-
-const config = require('../../config')
-const logger = require('../../logger')
-const models = require('../../models')
-
-const authRouter = module.exports = Router()
-
-// serialize and deserialize
-passport.serializeUser(function (user, done) {
-  logger.info('serializeUser: ' + user.id)
-  return done(null, user.id)
-})
-
-passport.deserializeUser(function (id, done) {
-  models.User.findOne({
-    where: {
-      id: id
-    }
-  }).then(function (user) {
-    // Don't die on non-existent user
-    if (user == null) {
-      return done(null, false, { message: 'Invalid UserID' })
-    }
-
-    logger.info('deserializeUser: ' + user.id)
-    return done(null, user)
-  }).catch(function (err) {
-    logger.error(err)
-    return done(err, null)
-  })
-})
-
-if (config.isFacebookEnable) authRouter.use(require('./facebook'))
-if (config.isTwitterEnable) authRouter.use(require('./twitter'))
-if (config.isGitHubEnable) authRouter.use(require('./github'))
-if (config.isGitLabEnable) authRouter.use(require('./gitlab'))
-if (config.isDropboxEnable) authRouter.use(require('./dropbox'))
-if (config.isGoogleEnable) authRouter.use(require('./google'))
-if (config.isLDAPEnable) authRouter.use(require('./ldap'))
-if (config.isSAMLEnable) authRouter.use(require('./saml'))
-if (config.isOAuth2Enable) authRouter.use(require('./oauth2'))
-if (config.isEmailEnable) authRouter.use(require('./email'))
-if (config.isOpenIDEnable) authRouter.use(require('./openid'))
-
-// logout
-authRouter.get('/logout', function (req, res) {
-  if (config.debug && req.isAuthenticated()) {
-    logger.debug('user logout: ' + req.user.id)
-  }
-  req.logout()
-  res.redirect(config.serverURL + '/')
-})
diff --git a/lib/web/auth/index.ts b/lib/web/auth/index.ts
new file mode 100644
index 000000000..a22b7ac9d
--- /dev/null
+++ b/lib/web/auth/index.ts
@@ -0,0 +1,66 @@
+import { Router } from 'express'
+import passport from 'passport'
+import { config } from '../../config'
+import { logger } from '../../logger'
+import { User } from '../../models'
+import facebook from './facebook'
+import twitter from './twitter'
+import github from './github'
+import gitlab from './gitlab'
+import dropbox from './dropbox'
+import google from './google'
+import ldap from './ldap'
+import saml from './saml'
+import oauth2 from './oauth2'
+import email from './email'
+import openid from './openid'
+
+const AuthRouter = Router()
+
+// serialize and deserialize
+passport.serializeUser(function (user: User, done) {
+  logger.info('serializeUser: ' + user.id)
+  return done(null, user.id)
+})
+
+passport.deserializeUser(function (id: string, done) {
+  User.findOne({
+    where: {
+      id: id
+    }
+  }).then(function (user) {
+    // Don't die on non-existent user
+    if (user == null) {
+      return done(null, false, { message: 'Invalid UserID' })
+    }
+
+    logger.info('deserializeUser: ' + user.id)
+    return done(null, user)
+  }).catch(function (err) {
+    logger.error(err)
+    return done(err, null)
+  })
+})
+
+if (config.isFacebookEnable) AuthRouter.use(facebook)
+if (config.isTwitterEnable) AuthRouter.use(twitter)
+if (config.isGitHubEnable) AuthRouter.use(github)
+if (config.isGitLabEnable) AuthRouter.use(gitlab)
+if (config.isDropboxEnable) AuthRouter.use(dropbox)
+if (config.isGoogleEnable) AuthRouter.use(google)
+if (config.isLDAPEnable) AuthRouter.use(ldap)
+if (config.isSAMLEnable) AuthRouter.use(saml)
+if (config.isOAuth2Enable) AuthRouter.use(oauth2)
+if (config.isEmailEnable) AuthRouter.use(email)
+if (config.isOpenIDEnable) AuthRouter.use(openid)
+
+// logout
+AuthRouter.get('/logout', function (req, res) {
+  if (config.debug && req.isAuthenticated()) {
+    logger.debug('user logout: ' + req.user.id)
+  }
+  req.logout()
+  res.redirect(config.serverURL + '/')
+})
+
+export { AuthRouter }