function locationHashChanged()

in dashboards-reports/public/components/context_menu/context_menu.js [247:284]

• 35 lines of code
• 8 McCabe index (conditional complexity)

function locationHashChanged() {
  const observer = new MutationObserver(function (mutations) {
    const navMenu = document.querySelectorAll(
      'span.osdTopNavMenu__wrapper > nav.euiHeaderLinks > div.euiHeaderLinks__list'
    );
    if (
      navMenu &&
      navMenu.length &&
      (isDiscoverNavMenu(navMenu) ||
        isDashboardNavMenu(navMenu) ||
        isVisualizationNavMenu(navMenu))
    ) {
      try {
        if ($('#downloadReport').length) {
          return;
        }
        const menuItem = document.createElement('div');
        menuItem.innerHTML = getMenuItem(
          i18n.translate('opensearch.reports.menu.name', {
            defaultMessage: 'Reporting',
          })
        );
        navMenu[0].insertBefore(menuItem.children[0], navMenu[0].lastChild);
      } catch (e) {
        console.log(e);
      } finally {
        observer.disconnect();
      }
    }
  });

  // Start observing
  observer.observe(document.body, {
    //document.body is node target to observe
    childList: true, //This is a must have for the observer with subtree
    subtree: true, //Set to true if changes must also be observed in descendants.
  });
}