Function isVisibleElement

content/gmail-mail.js:67–71

(element)

}

function isVisibleElement(element) {
  if (!isDisplayed(element)) return false;
  const rect = element.getBoundingClientRect();
  return rect.width > 0 && rect.height > 0;
}

function normalizeMinuteTimestamp(timestamp) {
  if (!Number.isFinite(timestamp) || timestamp <= 0) return 0;