UWP Private Servers

Join private servers using UWP
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// ==UserScript==
// @name         UWP Private Servers
// @version      1.0.0
// @description  Join private servers using UWP
// @author       Synapsium
// @match        https://www.roblox.com/*
// @icon         https://cdn.discordapp.com/attachments/678309173137768469/1124861983221628948/Untitled13_20230701203947.png
// @grant        none
// @namespace https://greatest.deepsurf.us/users/1128618
// ==/UserScript==
function waitForElm(selector) {
   return new Promise(resolve => {
       if (document.querySelector(selector)) {
           return resolve(document.querySelector(selector));
       }

       const observer = new MutationObserver(mutations => {
           if (document.querySelector(selector)) {
               resolve(document.querySelector(selector));
               observer.disconnect();
           }
       });

       observer.observe(document.body, {
           childList: true,
           subtree: true
       });
   });
}

(function() {
   'use strict';
   waitForElm('#gamelaunch').then((elm) => {
   let element = document.getElementById("gamelaunch")
if (element) {
let src = element.src
let reg = /placeId%3D(.*)%26accessCode%3D(.*)%26linkCode%3D(.*)%26/gm
let result = reg.exec(src)
let placeid = result[1]
let accesscode = result[2]
let linkcode = result[3]
const bt = document.createElement("button")
const tx = document.createTextNode("UWP")
bt.appendChild(tx)
bt.classList.add("btn-full-width")
bt.classList.add("btn-common-play-game-lg")
bt.classList.add("btn-primary-md")
bt.classList.add("btn-min-width")
bt.style = "width:66px;min-width:66px;margin-left:3px;position:relative; z-index:1045;"
const di = document.getElementById("game-details-play-button-container")
di.appendChild(bt)
bt.addEventListener('click', () => {
window.open(`roblox://placeID=${placeid}&accessCode=${accesscode}&linkCode=${linkcode}`, `_self`)
});
console.log("UWP Private Servers Loaded")
}
       });
})();