twichCategory_notification

twitch_categorynoti.user.js

// ==UserScript==
// @name     twitch-category-alarm
// @version  1
// @grant    none
// @match    *://www.twitch.tv/*
// @run-at   document-idle
// ==/UserScript==


window.setTimeout(function () { 
  
  console.log('alarm start');
  
  let target = document.querySelector('.channel-info-bar__content-right .tw-interactive.tw-link');
  let originalFavicon = document.querySelector('link[rel="icon"]').href;
  let newFavicon = 'https://d4fodtu7cqfym.cloudfront.net/favicon/favicon.ico';
  let originalTitle = document.title;
  let alramMessage = 'IRL';
  let timing = 5;
  let interval;
  let worker = () => {
   // console.log('working');
   if (target.textContent === "Just Chatting") {
      document.title = `${alramMessage} ${originalTitle}`;
      document.querySelector('link[rel="icon"]').href = originalFavicon;
    } else {
      document.title = originalTitle;
      document.querySelector('link[rel="icon"]').href = newFavicon;
    }
  }
  
  worker();
  
  window.addEventListener('blur', ()=> {
    // console.log('blur'); 
    interval = setInterval(worker, 1000*60*timing);
  });
  
  window.addEventListener('focus', () => { 
    // console.log('focus'); 
    clearInterval(interval);
	  
    let observer = new MutationObserver(function(mutations) {
	worker();
    });
    let config = { attributes: false, childList: true, characterData: false };
    observer.observe(target, config);  
  });
  
}, 3000);