Force desktop interface on Wikipedia and disable Wikipedia's mobile UI

noMobile.userscript.js

// ==UserScript==
// @name         Force desktop Wikipedia
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Disable Wikipedia's mobile UI in favor of its desktop UI
// @author       Alex DeLorenzo <AlexDeLorenzo.dev>
// @match        https://*.m.wikipedia.org/*
// @grant        none
// @license      GPL-3.0
// ==/UserScript==

(function() {
  'use strict';
  const MOBILE_SUB = ".m.";
  const DOT = '.';

  const newUrl = new URL(location);
  newUrl.host = newUrl.host.replace(MOBILE_SUB, DOT);

  location.replace(newUrl);
})();