Function focusElement

packages/react-aria/src/focus/FocusScope.tsx:525–539

(element: FocusableElement | null, scroll = false)

}

function focusElement(element: FocusableElement | null, scroll = false) {
  if (element != null && !scroll) {
    try {
      focusSafely(element);
    } catch {
      // ignore
    }
  } else if (element != null) {
    try {
      element.focus();
    } catch {
      // ignore
    }
  }
}

function getFirstInScope(scope: Element[], tabbable = true) {
  let sentinel = scope[0].previousElementSibling!;