Twitch: loguj wiadomości czatu do konsoli

// Log every new chat message to the console as "user: text"
function logNewMessages(records) {
  records.forEach(function (rec) {
    rec.addedNodes.forEach(function (node) {
      if (node.nodeType !== 1) { return; }
      const line = node.matches && node.matches('.chat-line__message')
        ? node : (node.querySelector && node.querySelector('.chat-line__message'));
      if (!line) { return; }
      const user = line.querySelector('.chat-author__display-name');
      const body = line.querySelector('[data-a-target="chat-line-message-body"]');
      if (user && body) {
        console.log('[twitch-chat] ' + user.textContent + ': ' + body.textContent);
      }
    });
  });
}
const obs = new MutationObserver(logNewMessages);
obs.observe(document.documentElement, { childList: true, subtree: true });