Filters messages by blacklisted users in groups. [!] script relies on usernames (which can be changed). All images sent by the blacklisted are blank
// ==UserScript==
// @name Telegram Message Hide (fixed)
// @version 0.5.1
// @description Filters messages by blacklisted users in groups. [!] script relies on usernames (which can be changed). All images sent by the blacklisted are blank
// @license MIT
// @namespace Telegram-Message-Hide
// @include https://web.telegram.org/*
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// ==/UserScript==
(function main() {
'use strict';
const defaultList = ["user1293847293847129083471029384", "user02938421057293084572930584"];
let userNames = GM_getValue("user-names", defaultList);
if (typeof userNames === 'string') {
try { userNames = JSON.parse(userNames); } catch {
userNames = userNames.split(',').map(s => s.trim()).filter(Boolean);
}
}
if (!Array.isArray(userNames)) userNames = [String(userNames).trim()];
let delay = parseInt(GM_getValue("update-interval", 3000), 10) || 3000;
let eventTimeout = null;
console.log("[TMH] Initialized with filters:", userNames, "interval:", delay);
GM_addStyle(`
.tmh-placeholder {
padding: 6px 12px;
margin: 2px 0;
border-radius: 8px;
background: #eee;
color: #555;
font-style: italic;
cursor: pointer;
opacity: 0.8;
}
.tmh-placeholder:hover {
opacity: 1;
background: #ddd;
}
`);
function shouldHide(wrapper) {
if (!wrapper) return false;
const group = wrapper.closest('.sender-group-container');
// Sender candidates
const senderEl = wrapper.querySelector('.sender-title, .message-title-name')
|| group?.querySelector('.sender-title, .message-title-name')
|| group?.querySelector('.Avatar');
const sender = senderEl
? (senderEl.getAttribute('aria-label') || senderEl.textContent || '').trim()
: '';
// Message text
const bodyEl = wrapper.querySelector('.text-content, .message-text');
let body = bodyEl ? (bodyEl.textContent || '').trim() : '';
if (!body) {
const img = wrapper.querySelector('img[alt]');
if (img) body = img.alt;
}
const hay = (sender + ' ' + body).toLowerCase();
const match = userNames.find(entry => {
const s = entry.toLowerCase().trim();
const sNoAt = s.replace(/^@/, '');
return (s && hay.includes(s)) || (sNoAt && hay.includes(sNoAt));
});
if (match) {
console.log(`[TMH] Filter match "${match}" in sender="${sender}" body="${body}"`);
return { match, sender };
}
return null;
}
function replaceWithPlaceholder(target, sender) {
if (!target || (target.dataset.tmhHidden && target.querySelectorAll("img").length === target.dataset.imgCount)) return;
target.dataset.tmhHidden = '1';
target.dataset.imgCount = target.querySelectorAll("img").length;
for (const msg of target.querySelectorAll('.text-content, .message-text')){
msg.textContent = `Removed message from ${sender || "unknown"}`;
}
target.style.opacity = '0.3';
target.style.fontStyle = 'italic';
for (const img of target.querySelectorAll("img")){
console.log(img);
img.style.visibility = "hidden";
}
}
function applyStyles(wrappers) {
Array.from(wrappers).forEach(wrapper => {
const result = shouldHide(wrapper);
if (result) {
const group = wrapper.closest('.sender-group-container');
if (group) {
console.log(`[TMH] Replacing group for "${result.sender}" with placeholder`);
replaceWithPlaceholder(group, result.sender);
} else {
console.log(`[TMH] Replacing single message with placeholder`);
replaceWithPlaceholder(wrapper, result.sender);
}
}
});
}
function scanMessages() {
console.log("[TMH] Scanning for messages...");
const nodes = document.querySelectorAll(
'.Message.message-list-item, .message-list-item, [data-message-id], .sender-group-container'
);
console.log("[TMH] Found", nodes.length, "nodes");
if (!nodes || nodes.length === 0) return;
applyStyles(nodes);
}
function eventThrottler(timeout) {
if (eventTimeout) return;
eventTimeout = setTimeout(() => {
eventTimeout = null;
console.log("[TMH] Throttled scan triggered");
scanMessages();
}, timeout);
}
GM_registerMenuCommand("Filter list", () => {
let current = GM_getValue("user-names", userNames);
if (Array.isArray(current)) current = current.join(', ');
let val = prompt("Enter usernames to filter, separated by comma:", current);
if (val !== null && typeof val === "string") {
const arr = val.split(",").map(v => v.trim()).filter(Boolean);
userNames = arr;
GM_setValue("user-names", arr);
console.log("[TMH] Updated filter list:", userNames);
scanMessages();
}
});
GM_registerMenuCommand("Update interval", () => {
const updateInterval = GM_getValue("update-interval", delay);
const val = prompt("Enter message scanning frequency (in ms):", String(updateInterval));
if (val !== null && typeof val === "string") {
const n = parseInt(val, 10);
if (!Number.isNaN(n) && n > 0) {
delay = n;
GM_setValue("update-interval", n);
console.log("[TMH] Updated interval:", delay);
}
}
});
function init() {
console.log("[TMH] Starting script...");
scanMessages();
const observer = new MutationObserver(() => {
console.log("[TMH] DOM mutation detected");
eventThrottler(delay);
});
observer.observe(document.body, { childList: true, subtree: true });
window.addEventListener("message", () => {
console.log("[TMH] Window message event fired");
eventThrottler(delay);
}, false);
window.TMH = {
scan: scanMessages,
list: () => Array.from(userNames),
setList: (arr) => {
userNames = Array.isArray(arr)
? arr
: String(arr).split(',').map(s => s.trim()).filter(Boolean);
GM_setValue('user-names', userNames);
console.log("[TMH] List updated via debug API:", userNames);
scanMessages();
}
};
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
}());