VK: Hide Typing

look @name

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name           VK: Hide Typing
// @name:ru        ВК: Скрыть набор текста
// @description    look @name
// @description:ru Смотри @name:ru
// @namespace      hidetyping.user.js
// @license        MIT
// @author         askornot
// @version        1.0.0
// @match          https://*.vk.com/*
// @compatible     chrome    Violentmonkey 2.12.7
// @compatible     firefox   Greasemonkey 4.11
// @compatible     firefox   Violentmonkey 2.12.14
// @compatible     firefox   Tampermonkey 4.12.6132
// @homepageURL    https://greasyfork.org/en/scripts/387887-vk-hide-typing
// @supportURL     https://greasyfork.org/en/scripts/387887-vk-hide-typing/feedback
// @noframes
// ==/UserScript==

'use strict';

const PROXY = {
  'vk.com': () => {
    const _XMLHttpRequest = XMLHttpRequest.prototype;
    _XMLHttpRequest.send = new Proxy(_XMLHttpRequest.send, {
      apply(target, thisArg, argumentsList) {
        const [ query ] = argumentsList;
        if (/typing|audiomessage/.test(query)) return null;
        return Reflect.apply(target, thisArg, argumentsList);
      },
    });
  },
  'm.vk.com': () => {
    const _fetch = window.fetch;
    window.fetch = (input, init = {}) => {
      const _input = input.clone();
      return input
        .formData()
        .then((x) => [...x.values()].includes('typing'))
        .then((isTyping) =>
          isTyping ? new Promise(() => null) : _fetch(_input, init)
        );
    };
  },
};

const { host } = location;

const script = document.createElement('script');
script.setAttribute('type', 'text/javascript');
script.textContent = `(${PROXY[host].toString()})()`;
document.head.append(script);