ih-portal/src/utils/parsePortalTabs.js

A project for connecting interaction hub services with catalyst-ui components

/**
 * [parsePortalTabs description]
 * @param  {[type]} pthomepagetabs [description]
 * @return {object} tab array and selected tab
 */
export default function parsePortalTabs() {
  let tabItems;
  let selectedIndex = -1;

  // look for tabs and add href and title to tabItems
  const pthomepagetabs = document.getElementById('pthomepagetabs');

  if (pthomepagetabs !== null) {
    const listItems = pthomepagetabs.getElementsByTagName('li');

    if (listItems !== null) {
      tabItems = Array.prototype.map.call(listItems, function mapTabList(obj, rank) {
        const aLink = obj.getElementsByTagName('a');
        const aSpanLink = aLink[0].getElementsByTagName('span');

        if (obj.id === 'selected') {
          selectedIndex = rank;
        }
        return ({
          url: aLink[0].href,
          title: aSpanLink[0].innerHTML,
        });
      });
    }
  }
  return ({ tabItems, selectedIndex });
}