tf2wiki.user.js

// ==UserScript==
// @name         TF2 Wiki Englishifier
// @namespace    Riker Wachtler
// @version      1.1
// @description  Redirects a non-English TF2 Wiki page to the English one.
// @author       You
// @match        https://wiki.teamfortress.com/wiki/*
// @grant        none
// ==/UserScript==

// When linked to a TF2 Wiki pages that isn't in english (i.e. "...wiki/Rocket_Launcher/cs") redirects to the english version (i.e ".../wiki/Rocket_Launcher").
// Makes the random page button more useful.
// Set the extension var (TODO: get from cookie) to choose the specific language.

extension = ""; // Set to "/es" for spanish, "/zh-hant" for chinese, etc. Make sure to include the / though. (i.e. `... = "/es";`)

(function() {
    'use strict';
    function init(){
        if (window.location.href.replace(/(wiki\/.+?)\/.+/, "$1") != window.location.href){
            window.open(window.location.href.replace(/(wiki\/.+?)\/.+/, ("$1" + extension),"_self"));
        }
    }
    document.body.addEventListener("load", init(), false);
})();