Transcript Redirect 0.3

transcript-redirect.user.js

// ==UserScript==
// @name         Transcript Redirect
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  replace room links with transcript links except the join button room and your already joined rooms
// @author       You
// @match        https://chat.stackexchange.com/*
// @icon         https://www.google.com/s2/favicons?domain=stackexchange.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    setInterval(function() {
        var exc = [...document.querySelectorAll("#my-rooms a, .room-name a")];
        [...document.querySelectorAll("a:not(#join-room)")]
            .filter(a => !exc.includes(a))
            .filter(a => a.href.match(/https:\/\/chat\.stackexchange\.com\/rooms\/\d+/))
            .map(x => (x.href = "https://chat.stackexchange.com/transcript/" + x.href.substring(37)));
    }, 100);
})();