Function isMailApplicationFrame

content/icloud-mail.js:6–11

()

console.log(ICLOUD_MAIL_PREFIX, 'Content script loaded on', location.href, 'frame:', isTopFrame ? 'top' : 'child');

function isMailApplicationFrame() {
  if (/\/applications\/mail2\//.test(location.pathname)) {
    return true;
  }
  return Boolean(document.querySelector('.content-container, .mail-message-defaults, .thread-participants'));
}

if (isTopFrame) {
  console.log(ICLOUD_MAIL_PREFIX, 'Top frame detected; waiting for mail iframe.');