function tabbable()

in src/helpers/tabbable.js [60:65]

• 6 lines of code
• 4 McCabe index (conditional complexity)

function tabbable(element) {
  let tabIndex = element.getAttribute("tabindex");
  if (tabIndex === null) tabIndex = undefined;
  const isTabIndexNaN = isNaN(tabIndex);
  return (isTabIndexNaN || tabIndex >= 0) && focusable(element, !isTabIndexNaN);
}