pathbuilder2e.user.js

// ==UserScript==
// @name         Pathbuilder 2e Temp Fix
// @namespace    https://github.com/JamesYeoman
// @version      0.1
// @description  Temporarily patch a dodgy JS issue
// @author       https://github.com/JamesYeoman
// @match        https://pathbuilder2e.com/app.html?v=71a
// @updateURL    https://gist.github.com/JamesYeoman/cdda215151db29c9c374b5ecab271799/raw/pathbuilder2e.user.js
// @downloadURL  https://gist.github.com/JamesYeoman/cdda215151db29c9c374b5ecab271799/raw/pathbuilder2e.user.js
// @icon         none
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    window.addEventListener("load", function() {
        if ("jwt_decode" in window) return;

        // No redirects registered for the broken script src. Time to load v3.1.2
        let nonESM = document.createElement("script");
        nonESM.setAttribute("src", "https://unpkg.com/[email protected]/build/jwt-decode.js");
        document.getElementsByTagName("head")[0].append(nonESM);
    })
})();