Working ts

server.ts

@@ -1,7 +1,7 @@
 import path from 'path'
 import fs from 'fs/promises'
 
-import express from 'express'
+import express, { Handler, Router } from 'express'
 import morgan from 'morgan'
 
 import { createServer as createViteServer } from 'vite'
@@ -21,7 +21,7 @@ if (config.isDevelopment) {
     console.log(`[Config] PORT = ${config.port}`)
 }
 
-function mountIndexHtmlRoutes(r, serveIndexHtml) {
+function mountIndexHtmlRoutes(r: Router, serveIndexHtml: Handler) {
     for (const route of HTML_ROUTES) {
         console.log(`[Server] Mounted index html for "${route}"`)
         r.get(route, serveIndexHtml)