Telegram Ad Filter

Minimizes messages that contain words from the list

Mint 2019.03.21.. Lásd a legutóbbi verzió

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Telegram Ad Filter
// @version     0.2.1
// @description Minimizes messages that contain words from the 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 (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);