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淘宝链接自动精简

有什么好说的

// ==UserScript==
// @name         淘宝链接自动精简
// @version      0.1
// @author       Janeway_ryu
// @description  有什么好说的
// @include      *.taobao.com/*
// @include      *.tmall.com/*
// @grant        none
// @namespace https://greasyfork.org/users/174880
// ==/UserScript==

(function() {
    if(window.location.pathname == "/item.htm"){
        function getQueryString(name) {
            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
            var r = window.location.search.substr(1).match(reg);
            if (r != null) return r[2];
            return null;
        }
        var site = window.location.href.match(/^http(s)?:\/\/[^?]*/);
        var wd = getQueryString("wd");
        var id = getQueryString("id");
        var q = getQueryString("q");
        var pureUrl;
        if (wd != null) {
            pureUrl = site[0] + "?wd=" + wd;
        } else if (id != null) {
            pureUrl = site[0] + "?id=" + id;
        } else if (q != null) {
            pureUrl = site[0] + "?q=" + q;
        } else if (site[0].substr(site[0].length - 13) == "view_shop.htm") {
            pureUrl = window.location.protocol + "//" + window.location.host;
        } else {
            pureUrl = site[0];
        }
        if(pureUrl != window.location.href){
            window.history.pushState({},0,pureUrl);
            //window.location.href = pureUrl;
        }
    }
})();