Function getAndActive

src/core/event/sidebar.js:73–106

(router, el, isParent, autoTitle)

 * @return {Element} Active element
 */
export function getAndActive(router, el, isParent, autoTitle) {
  el = dom.getNode(el);
  let links = [];
  if (el !== null && el !== undefined) {
    links = dom.findAll(el, 'a');
  }

  const hash = decodeURI(router.toURL(router.getCurrentPath()));
  let target;

  links
    .sort((a, b) => b.href.length - a.href.length)
    .forEach(a => {
      const href = decodeURI(a.getAttribute('href'));
      const node = isParent ? a.parentNode : a;

      a.title = a.title || a.innerText;

      if (hash.indexOf(href) === 0 && !target) {
        target = a;
        dom.toggleClass(node, 'add', 'active');
      } else {
        dom.toggleClass(node, 'remove', 'active');
      }
    });

  if (autoTitle) {
    dom.$.title = target
      ? target.title || `${target.innerText} - ${title}`
      : title;
  }

  return target;
}