Clean Reddit Share URL

clean-reddit-share-link.user.js

// ==UserScript==
// @name         Clean Reddit Share Link
// @namespace    http://rxliuli.com
// @version      0.1.0
// @description  Auto clean Reddit share link tracking parameters
// @author       rxliuli
// @match        https://www.reddit.com/*
// @match        https://old.reddit.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const trackingParams = [
        'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
        'fbclid', 'gclid', 'igshid', 'ref', 'ref_source', 'ref_url',
        'share', 'source', 'context', 'rdt', 'utm_name',
        '_branch_match_id', '_branch_referrer'
    ];

    function cleanURL(url) {
        try {
            const urlObj = new URL(url);
            trackingParams.forEach(param => {
                urlObj.searchParams.delete(param);
            });
            return urlObj.toString();
        } catch (e) {
            console.warn('Cannot parse URL:', url, e);
            return url;
        }
    }

    const originalWriteText = navigator.clipboard.writeText;
    navigator.clipboard.writeText = function(text) {
        if (text && (text.includes('reddit.com/') || text === window.location.href)) {
            const cleanedURL = cleanURL(text);
            if (cleanedURL !== text) {
                console.log('Intercepted and cleaned clipboard URL:', cleanedURL);
                return originalWriteText.call(this, cleanedURL);
            }
        }
        return originalWriteText.call(this, text);
    };

    console.log('Reddit URL tracking parameter cleaner has been loaded');
})();