diff --git a/lib/web/baseRouter.js b/lib/web/baseRouter.ts
similarity index 82%
rename from lib/web/baseRouter.js
rename to lib/web/baseRouter.ts
index df5e2777b..a87617157 100644
--- a/lib/web/baseRouter.js
+++ b/lib/web/baseRouter.ts
@@ -1,13 +1,9 @@
-'use strict'
+import { response } from '../response'
+import { errors } from '../errors'
 
 const Router = require('express').Router
-
-const response = require('../response')
-
 const baseRouter = module.exports = Router()
 
-const errors = require('../errors')
-
 // get index
 baseRouter.get('/', response.showIndex)
 // get 403 forbidden
diff --git a/lib/web/historyRouter.js b/lib/web/historyRouter.js
deleted file mode 100644
index fa426bbb1..000000000
--- a/lib/web/historyRouter.js
+++ /dev/null
@@ -1,18 +0,0 @@
-'use strict'
-
-const Router = require('express').Router
-
-const { urlencodedParser } = require('./utils')
-const history = require('../history')
-const historyRouter = module.exports = Router()
-
-// get history
-historyRouter.get('/history', history.historyGet)
-// post history
-historyRouter.post('/history', urlencodedParser, history.historyPost)
-// post history by note id
-historyRouter.post('/history/:noteId', urlencodedParser, history.historyPost)
-// delete history
-historyRouter.delete('/history', history.historyDelete)
-// delete history by note id
-historyRouter.delete('/history/:noteId', history.historyDelete)
diff --git a/lib/web/historyRouter.ts b/lib/web/historyRouter.ts
new file mode 100644
index 000000000..26da97d9b
--- /dev/null
+++ b/lib/web/historyRouter.ts
@@ -0,0 +1,16 @@
+import { urlencodedParser } from './utils'
+import { History } from '../history'
+
+const Router = require('express').Router
+const historyRouter = module.exports = Router()
+
+// get history
+historyRouter.get('/history', History.historyGet)
+// post history
+historyRouter.post('/history', urlencodedParser, History.historyPost)
+// post history by note id
+historyRouter.post('/history/:noteId', urlencodedParser, History.historyPost)
+// delete history
+historyRouter.delete('/history', History.historyDelete)
+// delete history by note id
+historyRouter.delete('/history/:noteId', History.historyDelete)