fix bugs, improve loading time

routes/api/post.js

@@ -1,7 +1,7 @@
 export const setup = function (router, con, server) {
     const PIDS = {}; //[pid]: true/"already_used"
-    router.get("/api/pid", async function (req, res) {
-        res.set("Access-Control-Allow-Origin", "*");
+
+    function createPID(){
         let pid = server.genstring(10); //collision chance is low enough, but we'll check anyways
         while (PIDS[pid] != undefined) {
             pid = server.genstring(10);
@@ -11,7 +11,12 @@ export const setup = function (router, con, server) {
         setTimeout(function() {
             PIDS[pid] = undefined;
         }, 40000);
-        res.json({ "pid": pid });
+        return pid
+    }
+
+    router.get("/api/pid", async function (req, res) {
+        res.set("Access-Control-Allow-Origin", "*");
+        res.json({ "pid": createPID() });
     });
     router.post("/api/post", async function (req, res) {
         if (!req.body.message) {
@@ -87,6 +92,7 @@ export const setup = function (router, con, server) {
             console.log(5, `posted new message by ${res.locals.username} : ${req.body.message}`);
         });
     });
+    return createPID
 };
 export default {
     setup