縮短Google網址

Google搜尋結果的網址很冗長，將其縮短，方便複製、分享、儲存成乾淨的書籤
目前为 2022-01-19 提交的版本。查看最新版本。
换行
// ==UserScript==
// @name            縮短Google網址
// @namespace https://gf.qytechs.cn/scripts/438711
// @version         1.3
// @description   Google搜尋結果的網址很冗長，將其縮短，方便複製、分享、儲存成乾淨的書籤
// @author          fmnijk
// @match          https://www.google.com*/*
// @icon              https://www.google.com/s2/favicons?domain=google.com
// @grant            none
// @license         MIT
// @require         https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js
// ==/UserScript==

// main function
(function() {
    'use strict';
    sturl();
    window.addEventListener('locationchange', function (){
        sturl();
    })
})();

// shorten url
function sturl() {
    // url
    var url = window.location.href;
    // new url
    var nurl = window.location.href;
    // query string need to be removed
    var qs = ['ved', 'uact', 'ie', 'oq', 'sclient', 'cshid', 'dpr', 'iflsig'];
    // query string need to be removed if equal to something
    var qseq = [['start', '0']];

    // remove not necessary query string
    nurl = rmqs(nurl, qs);
    // remove not necessary query string if equal to something
    nurl = rmqseq(nurl, qseq);

    // do nothing if new url is the same as url
    if (url == nurl){
        return false;
    }

    // update url in address bar to new url
    window.history.replaceState(null, null, nurl);
}

// remove not necessary query string
function rmqs(url, qs) {
    url = new URL(url);
    qs.forEach(function(i){
        url.searchParams.delete(i);
    });
    return url.toString();
}

// remove not necessary query string if equal to something
function rmqseq(url, qseq) {
    url = new URL(url);
    qseq.forEach(function(i){
        if (url.searchParams.get(i[0]) == i[1]){
            url.searchParams.delete(i[0]);
        }
    });
    return url.toString();
}

/*----force listen to locationchange work start----*/
history.pushState = ( f => function pushState(){
    var ret = f.apply(this, arguments);
    window.dispatchEvent(new Event('pushstate'));
    window.dispatchEvent(new Event('locationchange'));
    return ret;
})(history.pushState);

history.replaceState = ( f => function replaceState(){
    var ret = f.apply(this, arguments);
    window.dispatchEvent(new Event('replacestate'));
    window.dispatchEvent(new Event('locationchange'));
    return ret;
})(history.replaceState);

window.addEventListener('popstate',()=>{
    window.dispatchEvent(new Event('locationchange'))
});
/*----force listen to locationchange work end----*/
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