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Twitch Add Timer

Adds a watch timer next to the follow icon so you can see how long you are watching the stream. Resets automatically on page changes.

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         Twitch Add Timer
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Adds a watch timer next to the follow icon so you can see how long you are watching the stream. Resets automatically on page changes.
// @author       RichardG
// @match        https://www.twitch.tv/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=twitch.tv
// @license      MIT
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const timerElement = document.createElement("div");
    timerElement.style.cssText = "position:absolute; bottom: 5px; left: -20px";
    timerElement.innerHTML = "<p>00:00:00</p>";

    let seconds = 0;
    let minutes = 0;
    let hours = 0;
    let lastHref = window.location.href;

    function updateTimer() {
        if(lastHref != window.location.href) {
            seconds = 0;
            minutes = 0;
            hours = 0;
            lastHref = window.location.href;
        }
        seconds++;
        if (seconds === 60) {
            seconds = 0;
            minutes++;
            if (minutes === 60) {
                minutes = 0;
                hours++;
            }
        }

        // Format the time to always show two digits
        const formattedTime =
              String(hours).padStart(2, '0') + ':' +
              String(minutes).padStart(2, '0') + ':' +
              String(seconds).padStart(2, '0');

        timerElement.textContent = formattedTime;
    }

    setInterval(() => {
        try {
            document.querySelector('[data-target="channel-header-right"]').childNodes[0].appendChild(timerElement);
        }
        catch(e) {
        }
    }, 3000);

    // Update the timer every 1000 milliseconds (1 second)
    setInterval(updateTimer, 1000);

})();