Alert when a message is deleted in WhatsApp Web.
// ==UserScript==
// @name WhatsApp Deleted Messages Viewer
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Alert when a message is deleted in WhatsApp Web.
// @author Yusuf Sameh
// @match https://web.whatsapp.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Function to handle incoming messages
function handleNewMessages(mutationsList) {
mutationsList.forEach(mutation => {
if (mutation.type === 'childList') {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE && node.classList.contains('message-in')) {
const message = node.querySelector('.message-in .selectable-text');
if (message && message.textContent === 'This message was deleted') {
alert('A message was deleted.');
}
}
});
}
});
}
// Select the target node
const targetNode = document.querySelector('#pane-side');
// Options for the observer (which mutations to observe)
const config = { childList: true, subtree: true };
// Check if targetNode exists before observing mutations
if (targetNode) {
// Create an observer instance linked to the callback function
const observer = new MutationObserver(handleNewMessages);
// Start observing the target node for configured mutations
observer.observe(targetNode, config);
} else {
console.error('Target node not found.');
}
})();