Function hidesContents

src/helpers/tabbable.js:26–44

(element)

}

function hidesContents(element) {
  const zeroSize = element.offsetWidth <= 0 && element.offsetHeight <= 0;

  // If the node is empty, this is good enough
  if (zeroSize && !element.innerHTML) return true;

  try {
    // Otherwise we need to check some styles
    const style = window.getComputedStyle(element);
    const displayValue = style.getPropertyValue("display");
    return zeroSize
      ? displayValue !== DISPLAY_CONTENTS && isNotOverflowing(element, style)
      : displayValue === DISPLAY_NONE;
  } catch (exception) {
    // eslint-disable-next-line no-console
    console.warn("Failed to inspect element style");
    return false;
  }
}

function visible(element) {
  let parentElement = element;