Collapses messages that contain words from the ad-word list
// ==UserScript==
// @name Telegram Ad Filter
// @version 0.2.2
// @description Collapses messages that contain words from the ad-word list
// @license MIT
// @author VChet
// @namespace Telegram-Ad-Filter
// @include https://web.telegram.org/*
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// ==/UserScript==
"use strict";
const defaultList = [
"#взаимопиар",
"#партнерский",
"#постпроплачен",
"#реклама",
"#рекламныйпост",
"#текстприслан",
];
let messages;
let messagesLength;
let adWords = GM_getValue("ad-words", defaultList);
let delay = GM_getValue("update-interval", 3000);
const applyStyles = messages => {
// console.log({ adWords });
messages.forEach(message => {
message = message.querySelector(".im_message_body");
if (message.innerText && adWords.some(v => message.innerText.toLowerCase().indexOf(v.toLowerCase()) >= 0)) {
message.classList.add("advertisementMessage");
message.onclick = () => message.classList.toggle("advertisementMessage");
} else {
message.classList.remove("advertisementMessage");
message.onclick = null;
}
});
};
let eventTimeout;
const eventThrottler = delay => {
if (!eventTimeout) {
eventTimeout = setTimeout(() => {
eventTimeout = null;
messages = document.querySelectorAll(".im_history_message_wrap");
if (messages.length === messagesLength || messages.length === 0) return;
messagesLength = messages.length;
// console.log({ messagesLength });
applyStyles(messages);
}, delay);
}
};
GM_addStyle(`
.advertisementMessage {
max-height: 40px;
}
.advertisementMessage > div:before {
color: dodgerblue;
font-weight: bold;
text-decoration: underline dotted;
content: "Advertisement";
}
`);
GM_registerMenuCommand("Filter list", () => {
const wordList = GM_getValue("ad-words", adWords);
let val = prompt("Enter words to filter, separated by comma:", wordList);
if (val !== null && typeof val === "string") {
// Convert string to array, remove empty entries, trim values
val = val.split(",").filter(v => v).map(v => v.trim());
adWords = val;
GM_setValue("ad-words", val);
messages = document.querySelectorAll(".im_history_message_wrap");
applyStyles(messages);
}
});
GM_registerMenuCommand("Update interval", () => {
const updateInteval = GM_getValue("update-interval", delay);
const val = prompt("Enter message scanning frequency (in ms):", updateInteval);
if (val !== null && typeof val === "string") {
delay = val;
GM_setValue("update-interval", val);
}
});
// Run the script when an API message is received, throttled with delay
window.addEventListener("message", () => eventThrottler(delay), false);