Function isStyleVisible

packages/react-aria/src/utils/isElementVisible.ts:18–42

(element: Element)

  typeof Element !== 'undefined' && 'checkVisibility' in Element.prototype;

function isStyleVisible(element: Element) {
  const windowObject = getOwnerWindow(element);
  if (
    !(element instanceof windowObject.HTMLElement) &&
    !(element instanceof windowObject.SVGElement)
  ) {
    return false;
  }

  let {display, visibility} = element.style;

  let isVisible = display !== 'none' && visibility !== 'hidden' && visibility !== 'collapse';

  if (isVisible) {
    const {getComputedStyle} = getOwnerWindow(element);
    let {display: computedDisplay, visibility: computedVisibility} = getComputedStyle(element);

    isVisible =
      computedDisplay !== 'none' &&
      computedVisibility !== 'hidden' &&
      computedVisibility !== 'collapse';
  }

  return isVisible;
}

function isAttributeVisible(element: Element, childElement?: Element) {
  return (