TRILLニュースを非表示にするChrome拡張機能

const BLOCKED_SITES = [
  'TRILL ニュース',
  'ベビーカレンダー',
  'fashion trend news',
  'FRONTROW',
  'GLAM',
  '4yuuu',
  'TRILLマンガ',
  '暮らしニスタ'
];

const blockedPattern = new RegExp(BLOCKED_SITES.join('|'));

function checkCite(cite) {
  if (blockedPattern.test(cite.textContent)) {
    cite.closest('article')?.style.setProperty('display', 'none');
  }
}

function hideBlockedArticles(root) {
  if (root.matches?.('cite')) checkCite(root);
  root.querySelectorAll('cite').forEach(checkCite);
}

hideBlockedArticles(document);

const observer = new MutationObserver(mutations => {
  for (const mutation of mutations) {
    for (const node of mutation.addedNodes) {
      if (node.nodeType !== Node.ELEMENT_NODE) continue;
      hideBlockedArticles(node);
    }
  }
});

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

{
  "manifest_version": 3,
  "name": "TRILL News Remover",
  "version": "1.1",
  "description": "Yahoo!JAPANの読み込み時にTRILLニュースを非表示にします。",
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["content.js"],
      "run_at": "document_idle"
    }
  ]
}