text: /**
   * @file
   * Attaches behaviors for Drupal's active link marking.
   */
  
  (function (Drupal, drupalSettings) {
  
    "use strict";
  
    /**
     * Append is-active class.
     *
     * The link is only active if its path corresponds to the current path, the
     * language of the linked path is equal to the current language, and if the
     * query parameters of the link equal those of the current request, since the
     * same request with different query parameters may yield a different page
     * (e.g. pagers, exposed View filters).
     *
     * Does not discriminate based on element type, so allows you to set the
     * is-active class on any element: a, li…
     */
    Drupal.behaviors.activeLinks = {
      attach: function (context) {
        // Start by finding all potentially active links.
        var path = drupalSettings.path;
        var queryString = JSON.stringify(path.currentQuery);
        var querySelector = path.currentQuery ? "[data-drupal-link-query='" + queryString + "']" : ':not([data-drupal-link-query])';
        var originalSelectors = ['[data-drupal-link-system-path="' + path.currentPath + '"]'];
        var selectors;
  
        // If this is the front page, we have to check for the <front> path as well.
        if (path.isFront) {
          originalSelectors.push('[data-drupal-link-system-path="<front>"]');
        }
  
        // Add language filtering.
        selectors = [].concat(
          // Links without any hreflang attributes (most of them).
          originalSelectors.map(function (selector) { return selector + ':not([hreflang])'; }),
          // Links with hreflang equals to the current language.
          originalSelectors.map(function (selector) { return selector + '[hreflang="' + path.currentLanguage + '"]'; })
        );
  
        // Add query string selector for pagers, exposed filters.
        selectors = selectors.map(function (current) { return current + querySelector; });
  
        // Query the DOM.
        var activeLinks = context.querySelectorAll(selectors.join(','));
        var il = activeLinks.length;
        for (var i = 0; i < il; i++) {
          activeLinks[i].classList.add('is-active');
        }
      },
      detach: function (context, settings, trigger) {
        if (trigger === 'unload') {
          var activeLinks = context.querySelectorAll('[data-drupal-link-system-path].is-active');
          var il = activeLinks.length;
          for (var i = 0; i < il; i++) {
            activeLinks[i].classList.remove('is-active');
          }
        }
      }
    };
  
  })(Drupal, drupalSettings);
  