Replaces x.com/twitter.com links with vxtwitter.com when copying a post link.
// ==UserScript==
// @name X.com to VXTwitter Simple Replacer
// @namespace http://tampermonkey.net/
// @version 2025-07-13
// @description Replaces x.com/twitter.com links with vxtwitter.com when copying a post link.
// @author CrimsonTomato
// @match https://x.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=x.com
// @grant none
// @license MIT
// ==/UserScript==
// Source code: https://github.com/CrimsonTomato/QOLTampering/blob/main/Twitter/shareReplacer.js
/* jshint esversion: 8 */
(function() {
'use strict';
// Replace REPLACEMENT_DOMAIN with your domain of choice
const REPLACEMENT_DOMAIN = 'vxtwitter.com';
// This function checks clipboard content and replaces the domain.
async function modifyClipboard() {
try {
// 1. Read the original text from the clipboard.
// 2. Use .trim() to remove any leading/trailing whitespace, including newlines.
const originalText = (await navigator.clipboard.readText()).trim();
// Use a regular expression to find and replace the domain
const newText = originalText.replace(/(x\.com|twitter\.com)/, REPLACEMENT_DOMAIN);
// Only write to clipboard if a change was made
if (originalText !== newText) {
await navigator.clipboard.writeText(newText);
console.log(`Tampermonkey: Replaced link in clipboard -> ${newText}`);
}
} catch (err) {
// This can happen if the clipboard is empty or access is denied.
console.error('Tampermonkey: Failed to read/write clipboard.', err);
}
}
// Listen for clicks on the entire document to catch the share menu actions.
document.addEventListener('click', (event) => {
// The "Copy link" button is a div with role="menuitem" containing specific text.
const menuItem = event.target.closest('div[role="menuitem"]');
if (menuItem && menuItem.textContent.includes('Copy link')) {
// A short delay ensures the site's original copy action finishes first.
setTimeout(modifyClipboard, 100);
}
}, true); // Use capture phase for reliability.
})();