aliexpress+ebay+gearbest url shortener

ageShot.js

// ==UserScript==
// @name         aliexpress+ebay+gearbest url shortener
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       hedgehog
// @match        https://*.aliexpress.com/item/*
// @match        http://*.aliexpress.com/item/*
// @match        http://*.ebay.de/itm/*
// @match        https://*.ebay.de/itm/*
// @match        http://*.ebay.com/itm/*
// @match        https://*.ebay.com/itm/*
// @match        http://*.gearbest.com/*
// @match        https://*.gearbest.com/*
// @grant        none
// ==/UserScript==

(function(w, l, h) {
    'use strict';

    var shops = {
        aliexpress: /^(https?:\/\/[a-z]+\.aliexpress\.com\/item\/)[^/]+(\/[0-9]+\.html)\??.*$/,
        ebay: /^(https?:\/\/www\.ebay(?:\.[a-z]+)+\/itm\/)[^\/]+(\/[0-9]+)\??.*$/,
        gearbest: /^(https?:\/\/www\.gearbest\.com\/)[^\/]+(\/pp_[0-9]+\.html)\??.*$/
    };

    w.addEventListener("load", function load(event){
        w.removeEventListener("load", load, false);
        for (var replace in shops) {
            if (shops.hasOwnProperty(replace) && shops[replace].test(l.href)) {
                h.pushState({}, "", l.href.replace(shops[replace], "$1HUY$2"));
                return;
            }
        }
    },false);
})(window, window.location, window.history);