Function bodies 7 total

function updateBadge(enabled) {
  chrome.action.setBadgeText({ text: enabled ? 'ON' : 'OFF' });
  chrome.action.setBadgeBackgroundColor({
    color: enabled ? '#4CAF50' : '#9E9E9E'
  });
}

  function applyState(enabled) {
    ROOT.dataset.nao = enabled ? 'on' : 'off';
    if (enabled) {
      pauseAllVideos();
    }
  }

  function isWatchPage() {
    return /^\/watch\//.test(window.location.pathname);
  }

  function pauseAllVideos() {
    if (isWatchPage()) return;
    document.querySelectorAll('video').forEach(function (video) {
      video.pause();
      video.autoplay = false;
    });
  }

  function startObserver() {
    var observer = new MutationObserver(function (mutations) {
      if (ROOT.dataset.nao !== 'on' || isWatchPage()) return;

      for (var i = 0; i < mutations.length; i++) {
        var addedNodes = mutations[i].addedNodes;
        for (var j = 0; j < addedNodes.length; j++) {
          var node = addedNodes[j];
          if (node.nodeType !== Node.ELEMENT_NODE) continue;

          if (node.tagName === 'VIDEO') {
            node.pause();
            node.autoplay = false;
          }

          if (node.querySelectorAll) {
            var videos = node.querySelectorAll('video');
            for (var k = 0; k < videos.length; k++) {
              videos[k].pause();
              videos[k].autoplay = false;
            }
          }
        }
      }
    });

    observer.observe(ROOT, { childList: true, subtree: true });
  }

  function isWatchPage() {
    return /^\/watch\//.test(window.location.pathname);
  }

  function shouldBlock() {
    return document.documentElement.dataset.nao !== 'off' && !isWatchPage();
  }