mapping string to int

src/server.js

@@ -15,15 +15,17 @@ server.on('message', async (msg, rinfo) => {
   console.log(`Server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
 
   const strMsg = msg.toString()
-  const categories = await app(strMsg)
+  let categories = await app(strMsg)
 
   let result = {}
 
+  categories = categories.map(category => parseInt(category))
+
   if (categories) 
   result = {
     result: categories
   }
-
+  console.log(result)
   server.send(JSON.stringify(result), rinfo.port, rinfo.address, (err) => {
     if (err) server.close();
   });