Remove utm parameters and medium hash tracking code from url / 去除网页链接中恼人的跟踪参数，网页内容可复制等

remove_utm.user.js

// ==UserScript==
// @name         Remove utm
// @version      0.2.3
// @description  Remove utm parameters and medium hash tracking code from url, 去除网页链接中恼人的跟踪参数
// @updateURL    https://gist.github.com/AndySuen/09c480b2f90818b4fe0334e804e1dcc2/raw/remove_utm.user.js
// @homepage     https://gist.github.com/AndySuen/09c480b2f90818b4fe0334e804e1dcc2
// @author       Andysuen
// @match        *
// @run-at       document-idle
// @grant        none
// ==/UserScript==

(function(){
    // remove utm_, facebook fb_, taobao spm, medium hash and etc tracking code from url
    // 去除网页 URL 中类 utm_ 的跟踪参数
    function removeUtm() {
        let search, params, i, flag;
        search = location.search.replace(/^\?/, '').split('&');
        params = [];
        if (!search) return;
        i = search.length;
        while(i--){
            if(!search[i].match(/^utm_|^fb_action|^fb_source|^action_object_map|^action_type_map|^action_ref_map|^hmsr|^spm/)){
                params.push(search[i]);
            } else {
                flag = true;
            }
        }
        if (flag) {
            let newSearch = params.length ? '?' + params.join('&') : '';
            history.pushState('', '', location.pathname + newSearch + location.hash);
        }
        setTimeout(function() {
            // remove medium hash tracking code
            if (/^#\.[a-zA-Z0-9]{8,11}$/.test(location.hash)) {
                history.pushState('', '', location.pathname + location.search);
            }
        }, 1500);
    }


    function removeAllEventListener(type) {
        window.addEventListener(type, e=> {e.stopPropagation()}, true);
    }


    function domainSpecifiedAction() {
        let domain = window.location.host;

        if(domain.match(/\byouku|taobao|tmall\.com$/)){
            // prevent link href url overwrite by taobao spm tracking code
            // 阻止网页内链接在点击时动态添加（类淘宝）spm 的跟踪代码
            setTimeout(function() {
                ['mousedown'].forEach(e => removeAllEventListener(e))
            }, 1500);
        }

        if(domain.match(/\bmedium\.com$/)){
            // remove annoying modal dialog
            // 去除 medium 恼人的对话框
            setTimeout(function() {
                var btn = document.querySelector('.button--close');
                if (btn) {btn.click();}
            }, 500);
        }

        // if(domain.match(/\.(com|cn|net)$/)){
        //     // enable copy on body etc.
        //     // 使网页内容可复制
        //     setTimeout(function() {
        //         ['copy'].forEach(e => removeAllEventListener(e))
        //     }, 1000);
        // }
    }

    removeUtm();
    domainSpecifiedAction();
})();

The script does not work with links pasted by the Augmented Steam browser extension. Links like https://steamdb.info/app/.../?utm_source=Steam&utm_medium=Steam&utm_campaign=SteamDB%20Extension and https://pcgamingwiki.com/api/appid.php?appid=...&utm_source=Steam&utm_medium=Steam&utm_campaign=SteamDB%20Extension remain unchanged. Mozilla Firefox 111.0b5 (64-bit), Tampermonkey 4.18.1 (January 17, 2023).

The script does not work with links pasted by the Augmented Steam browser extension...

It seems that the JavaScript code on the original webpage had a bug, which caused the execution to interrupt.