/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
(function ($, window, Drupal, drupalSettings, loadjs, _ref) {
  var isFocusable = _ref.isFocusable,
    tabbable = _ref.tabbable;
  Drupal.behaviors.AJAX = {
    attach: function attach(context, settings) {
      function loadAjaxBehavior(base) {
        var elementSettings = settings.ajax[base];
        if (typeof elementSettings.selector === 'undefined') {
          elementSettings.selector = "#".concat(base);
        }
        once('drupal-ajax', $(elementSettings.selector)).forEach(function (el) {
          elementSettings.element = el;
          elementSettings.base = base;
          Drupal.ajax(elementSettings);
        });
      }
      Object.keys(settings.ajax || {}).forEach(function (base) {
        return loadAjaxBehavior(base);
      });
      Drupal.ajax.bindAjaxLinks(document.body);
      once('ajax', '.use-ajax-submit').forEach(function (el) {
        var elementSettings = {};
        elementSettings.url = $(el.form).attr('action');
        elementSettings.setClick = true;
        elementSettings.event = 'click';
        elementSettings.progress = {
          type: 'throbber'
        };
        elementSettings.base = el.id;
        elementSettings.element = el;
        Drupal.ajax(elementSettings);
      });
    },
    detach: function detach(context, settings, trigger) {
      if (trigger === 'unload') {
        Drupal.ajax.expired().forEach(function (instance) {
          Drupal.ajax.instances[instance.instanceIndex] = null;
        });
      }
    }
  };
  Drupal.AjaxError = function (xmlhttp, uri, customMessage) {
    var statusCode;
    var statusText;
    var responseText;
    if (xmlhttp.status) {
      statusCode = "\n".concat(Drupal.t('An AJAX HTTP error occurred.'), "\n").concat(Drupal.t('HTTP Result Code: !status', {
        '!status': xmlhttp.status
      }));
    } else {
      statusCode = "\n".concat(Drupal.t('An AJAX HTTP request terminated abnormally.'));
    }
    statusCode += "\n".concat(Drupal.t('Debugging information follows.'));
    var pathText = "\n".concat(Drupal.t('Path: !uri', {
      '!uri': uri
    }));
    statusText = '';
    try {
      statusText = "\n".concat(Drupal.t('StatusText: !statusText', {
        '!statusText': xmlhttp.statusText.trim()
      }));
    } catch (e) {}
    responseText = '';
    try {
      responseText = "\n".concat(Drupal.t('ResponseText: !responseText', {
        '!responseText': xmlhttp.responseText.trim()
      }));
    } catch (e) {}
    responseText = responseText.replace(/<("[^"]*"|'[^']*'|[^'">])*>/gi, '');
    responseText = responseText.replace(/[\n]+\s+/g, '\n');
    var readyStateText = xmlhttp.status === 0 ? "\n".concat(Drupal.t('ReadyState: !readyState', {
      '!readyState': xmlhttp.readyState
    })) : '';
    customMessage = customMessage ? "\n".concat(Drupal.t('CustomMessage: !customMessage', {
      '!customMessage': customMessage
    })) : '';
    this.message = statusCode + pathText + statusText + customMessage + responseText + readyStateText;
    this.name = 'AjaxError';
  };
  Drupal.AjaxError.prototype = new Error();
  Drupal.AjaxError.prototype.constructor = Drupal.AjaxError;
  Drupal.ajax = function (settings) {
    if (arguments.length !== 1) {
      throw new Error('Drupal.ajax() function must be called with one configuration object only');
    }
    var base = settings.base || false;
    var element = settings.element || false;
    delete settings.base;
    delete settings.element;
    if (!settings.progress && !element) {
      settings.progress = false;
    }
    var ajax = new Drupal.Ajax(base, element, settings);
    ajax.instanceIndex = Drupal.ajax.instances.length;
    Drupal.ajax.instances.push(ajax);
    return ajax;
  };
  Drupal.ajax.instances = [];
  Drupal.ajax.expired = function () {
    return Drupal.ajax.instances.filter(function (instance) {
      return instance && instance.element !== false && !document.body.contains(instance.element);
    });
  };
  Drupal.ajax.bindAjaxLinks = function (element) {
    once('ajax', '.use-ajax', element).forEach(function (ajaxLink) {
      var $linkElement = $(ajaxLink);
      var elementSettings = {
        progress: {
          type: 'throbber'
        },
        dialogType: $linkElement.data('dialog-type'),
        dialog: $linkElement.data('dialog-options'),
        dialogRenderer: $linkElement.data('dialog-renderer'),
        base: $linkElement.attr('id'),
        element: ajaxLink
      };
      var href = $linkElement.attr('href');
      if (href) {
        elementSettings.url = href;
        elementSettings.event = 'click';
      }
      Drupal.ajax(elementSettings);
    });
  };
  Drupal.Ajax = function (base, element, elementSettings) {
    var defaults = {
      event: element ? 'mousedown' : null,
      keypress: true,
      selector: base ? "#".concat(base) : null,
      effect: 'none',
      speed: 'none',
      method: 'replaceWith',
      progress: {
        type: 'throbber',
        message: Drupal.t('Please wait...')
      },
      submit: {
        js: true
      }
    };
    $.extend(this, defaults, elementSettings);
    this.commands = new Drupal.AjaxCommands();
    this.instanceIndex = false;
    if (this.wrapper) {
      this.wrapper = "#".concat(this.wrapper);
    }
    this.element = element;
    this.element_settings = elementSettings;
    this.elementSettings = elementSettings;
    if (this.element && this.element.form) {
      this.$form = $(this.element.form);
    }
    if (!this.url) {
      var $element = $(this.element);
      if ($element.is('a')) {
        this.url = $element.attr('href');
      } else if (this.element && element.form) {
        this.url = this.$form.attr('action');
      }
    }
    var originalUrl = this.url;
    this.url = this.url.replace(/\/nojs(\/|$|\?|#)/, '/ajax$1');
    if (drupalSettings.ajaxTrustedUrl[originalUrl]) {
      drupalSettings.ajaxTrustedUrl[this.url] = true;
    }
    var ajax = this;
    ajax.options = {
      url: ajax.url,
      data: ajax.submit,
      isInProgress: function isInProgress() {
        return ajax.ajaxing;
      },
      beforeSerialize: function beforeSerialize(elementSettings, options) {
        return ajax.beforeSerialize(elementSettings, options);
      },
      beforeSubmit: function beforeSubmit(formValues, elementSettings, options) {
        ajax.ajaxing = true;
        return ajax.beforeSubmit(formValues, elementSettings, options);
      },
      beforeSend: function beforeSend(xmlhttprequest, options) {
        ajax.ajaxing = true;
        return ajax.beforeSend(xmlhttprequest, options);
      },
      success: function success(response, status, xmlhttprequest) {
        var _this = this;
        if (typeof response === 'string') {
          response = $.parseJSON(response);
        }
        if (response !== null && !drupalSettings.ajaxTrustedUrl[ajax.url]) {
          if (xmlhttprequest.getResponseHeader('X-Drupal-Ajax-Token') !== '1') {
            var customMessage = Drupal.t('The response failed verification so will not be processed.');
            return ajax.error(xmlhttprequest, ajax.url, customMessage);
          }
        }
        return Promise.resolve(ajax.success(response, status)).then(function () {
          ajax.ajaxing = false;
          $(document).trigger('ajaxSuccess', [xmlhttprequest, _this]);
          $(document).trigger('ajaxComplete', [xmlhttprequest, _this]);
          if (--$.active === 0) {
            $(document).trigger('ajaxStop');
          }
        });
      },
      error: function error(xmlhttprequest, status, _error) {
        ajax.ajaxing = false;
      },
      complete: function complete(xmlhttprequest, status) {
        if (status === 'error' || status === 'parsererror') {
          return ajax.error(xmlhttprequest, ajax.url);
        }
      },
      dataType: 'json',
      jsonp: false,
      type: 'POST'
    };
    if (elementSettings.dialog) {
      ajax.options.data.dialogOptions = elementSettings.dialog;
    }
    if (ajax.options.url.indexOf('?') === -1) {
      ajax.options.url += '?';
    } else {
      ajax.options.url += '&';
    }
    var wrapper = "drupal_".concat(elementSettings.dialogType || 'ajax');
    if (elementSettings.dialogRenderer) {
      wrapper += ".".concat(elementSettings.dialogRenderer);
    }
    ajax.options.url += "".concat(Drupal.ajax.WRAPPER_FORMAT, "=").concat(wrapper);
    $(ajax.element).on(elementSettings.event, function (event) {
      if (!drupalSettings.ajaxTrustedUrl[ajax.url] && !Drupal.url.isLocal(ajax.url)) {
        throw new Error(Drupal.t('The callback URL is not local and not trusted: !url', {
          '!url': ajax.url
        }));
      }
      return ajax.eventResponse(this, event);
    });
    if (elementSettings.keypress) {
      $(ajax.element).on('keypress', function (event) {
        return ajax.keypressResponse(this, event);
      });
    }
    if (elementSettings.prevent) {
      $(ajax.element).on(elementSettings.prevent, false);
    }
  };
  Drupal.ajax.WRAPPER_FORMAT = '_wrapper_format';
  Drupal.Ajax.AJAX_REQUEST_PARAMETER = '_drupal_ajax';
  Drupal.Ajax.prototype.execute = function () {
    if (this.ajaxing) {
      return;
    }
    try {
      this.beforeSerialize(this.element, this.options);
      return $.ajax(this.options);
    } catch (e) {
      this.ajaxing = false;
      window.alert("An error occurred while attempting to process ".concat(this.options.url, ": ").concat(e.message));
      return $.Deferred().reject();
    }
  };
  Drupal.Ajax.prototype.keypressResponse = function (element, event) {
    var ajax = this;
    if (event.which === 13 || event.which === 32 && element.type !== 'text' && element.type !== 'textarea' && element.type !== 'tel' && element.type !== 'number') {
      event.preventDefault();
      event.stopPropagation();
      $(element).trigger(ajax.elementSettings.event);
    }
  };
  Drupal.Ajax.prototype.eventResponse = function (element, event) {
    event.preventDefault();
    event.stopPropagation();
    var ajax = this;
    if (ajax.ajaxing) {
      return;
    }
    try {
      if (ajax.$form) {
        if (ajax.setClick) {
          element.form.clk = element;
        }
        ajax.$form.ajaxSubmit(ajax.options);
      } else {
        ajax.beforeSerialize(ajax.element, ajax.options);
        $.ajax(ajax.options);
      }
    } catch (e) {
      ajax.ajaxing = false;
      window.alert("An error occurred while attempting to process ".concat(ajax.options.url, ": ").concat(e.message));
    }
  };
  Drupal.Ajax.prototype.beforeSerialize = function (element, options) {
    if (this.$form && document.body.contains(this.$form.get(0))) {
      var settings = this.settings || drupalSettings;
      Drupal.detachBehaviors(this.$form.get(0), settings, 'serialize');
    }
    options.data[Drupal.Ajax.AJAX_REQUEST_PARAMETER] = 1;
    var pageState = drupalSettings.ajaxPageState;
    options.data['ajax_page_state[theme]'] = pageState.theme;
    options.data['ajax_page_state[theme_token]'] = pageState.theme_token;
    options.data['ajax_page_state[libraries]'] = pageState.libraries;
  };
  Drupal.Ajax.prototype.beforeSubmit = function (formValues, element, options) {};
  Drupal.Ajax.prototype.beforeSend = function (xmlhttprequest, options) {
    if (this.$form) {
      options.extraData = options.extraData || {};
      options.extraData.ajax_iframe_upload = '1';
      var v = $.fieldValue(this.element);
      if (v !== null) {
        options.extraData[this.element.name] = v;
      }
    }
    $(this.element).prop('disabled', true);
    if (!this.progress || !this.progress.type) {
      return;
    }
    var progressIndicatorMethod = "setProgressIndicator".concat(this.progress.type.slice(0, 1).toUpperCase()).concat(this.progress.type.slice(1).toLowerCase());
    if (progressIndicatorMethod in this && typeof this[progressIndicatorMethod] === 'function') {
      this[progressIndicatorMethod].call(this);
    }
  };
  Drupal.theme.ajaxProgressThrobber = function (message) {
    var messageMarkup = typeof message === 'string' ? Drupal.theme('ajaxProgressMessage', message) : '';
    var throbber = '<div class="throbber">&nbsp;</div>';
    return "<div class=\"ajax-progress ajax-progress-throbber\">".concat(throbber).concat(messageMarkup, "</div>");
  };
  Drupal.theme.ajaxProgressIndicatorFullscreen = function () {
    return '<div class="ajax-progress ajax-progress-fullscreen">&nbsp;</div>';
  };
  Drupal.theme.ajaxProgressMessage = function (message) {
    return "<div class=\"message\">".concat(message, "</div>");
  };
  Drupal.theme.ajaxProgressBar = function ($element) {
    return $('<div class="ajax-progress ajax-progress-bar"></div>').append($element);
  };
  Drupal.Ajax.prototype.setProgressIndicatorBar = function () {
    var progressBar = new Drupal.ProgressBar("ajax-progress-".concat(this.element.id), $.noop, this.progress.method, $.noop);
    if (this.progress.message) {
      progressBar.setProgress(-1, this.progress.message);
    }
    if (this.progress.url) {
      progressBar.startMonitoring(this.progress.url, this.progress.interval || 1500);
    }
    this.progress.element = $(Drupal.theme('ajaxProgressBar', progressBar.element));
    this.progress.object = progressBar;
    $(this.element).after(this.progress.element);
  };
  Drupal.Ajax.prototype.setProgressIndicatorThrobber = function () {
    this.progress.element = $(Drupal.theme('ajaxProgressThrobber', this.progress.message));
    $(this.element).after(this.progress.element);
  };
  Drupal.Ajax.prototype.setProgressIndicatorFullscreen = function () {
    this.progress.element = $(Drupal.theme('ajaxProgressIndicatorFullscreen'));
    $('body').append(this.progress.element);
  };
  Drupal.Ajax.prototype.commandExecutionQueue = function (response, status) {
    var _this2 = this;
    var ajaxCommands = this.commands;
    return Object.keys(response || {}).reduce(function (executionQueue, key) {
      return executionQueue.then(function () {
        var command = response[key].command;
        if (command && ajaxCommands[command]) {
          return ajaxCommands[command](_this2, response[key], status);
        }
      });
    }, Promise.resolve());
  };
  Drupal.Ajax.prototype.success = function (response, status) {
    var _this3 = this;
    if (this.progress.element) {
      $(this.progress.element).remove();
    }
    if (this.progress.object) {
      this.progress.object.stopMonitoring();
    }
    $(this.element).prop('disabled', false);
    var elementParents = $(this.element).parents('[data-drupal-selector]').addBack().toArray();
    var focusChanged = Object.keys(response || {}).some(function (key) {
      var _response$key = response[key],
        command = _response$key.command,
        method = _response$key.method;
      return command === 'focusFirst' || command === 'invoke' && method === 'focus';
    });
    return this.commandExecutionQueue(response, status).then(function () {
      if (!focusChanged && _this3.element && !$(_this3.element).data('disable-refocus')) {
        var target = false;
        for (var n = elementParents.length - 1; !target && n >= 0; n--) {
          target = document.querySelector("[data-drupal-selector=\"".concat(elementParents[n].getAttribute('data-drupal-selector'), "\"]"));
        }
        if (target) {
          $(target).trigger('focus');
        }
      }
      if (_this3.$form && document.body.contains(_this3.$form.get(0))) {
        var settings = _this3.settings || drupalSettings;
        Drupal.attachBehaviors(_this3.$form.get(0), settings);
      }
      _this3.settings = null;
    }).catch(function (error) {
      return console.error(Drupal.t('An error occurred during the execution of the Ajax response: !error', {
        '!error': error
      }));
    });
  };
  Drupal.Ajax.prototype.getEffect = function (response) {
    var type = response.effect || this.effect;
    var speed = response.speed || this.speed;
    var effect = {};
    if (type === 'none') {
      effect.showEffect = 'show';
      effect.hideEffect = 'hide';
      effect.showSpeed = '';
    } else if (type === 'fade') {
      effect.showEffect = 'fadeIn';
      effect.hideEffect = 'fadeOut';
      effect.showSpeed = speed;
    } else {
      effect.showEffect = "".concat(type, "Toggle");
      effect.hideEffect = "".concat(type, "Toggle");
      effect.showSpeed = speed;
    }
    return effect;
  };
  Drupal.Ajax.prototype.error = function (xmlhttprequest, uri, customMessage) {
    if (this.progress.element) {
      $(this.progress.element).remove();
    }
    if (this.progress.object) {
      this.progress.object.stopMonitoring();
    }
    $(this.wrapper).show();
    $(this.element).prop('disabled', false);
    if (this.$form && document.body.contains(this.$form.get(0))) {
      var settings = this.settings || drupalSettings;
      Drupal.attachBehaviors(this.$form.get(0), settings);
    }
    throw new Drupal.AjaxError(xmlhttprequest, uri, customMessage);
  };
  Drupal.theme.ajaxWrapperNewContent = function ($newContent, ajax, response) {
    return (response.effect || ajax.effect) !== 'none' && $newContent.filter(function (i) {
      return !($newContent[i].nodeName === '#comment' || $newContent[i].nodeName === '#text' && /^(\s|\n|\r)*$/.test($newContent[i].textContent));
    }).length > 1 ? Drupal.theme('ajaxWrapperMultipleRootElements', $newContent) : $newContent;
  };
  Drupal.theme.ajaxWrapperMultipleRootElements = function ($elements) {
    return $('<div></div>').append($elements);
  };
  Drupal.AjaxCommands = function () {};
  Drupal.AjaxCommands.prototype = {
    insert: function insert(ajax, response) {
      var $wrapper = response.selector ? $(response.selector) : $(ajax.wrapper);
      var method = response.method || ajax.method;
      var effect = ajax.getEffect(response);
      var settings = response.settings || ajax.settings || drupalSettings;
      var $newContent = $($.parseHTML(response.data, document, true));
      $newContent = Drupal.theme('ajaxWrapperNewContent', $newContent, ajax, response);
      switch (method) {
        case 'html':
        case 'replaceWith':
        case 'replaceAll':
        case 'empty':
        case 'remove':
          Drupal.detachBehaviors($wrapper.get(0), settings);
          break;
        default:
          break;
      }
      $wrapper[method]($newContent);
      if (effect.showEffect !== 'show') {
        $newContent.hide();
      }
      var $ajaxNewContent = $newContent.find('.ajax-new-content');
      if ($ajaxNewContent.length) {
        $ajaxNewContent.hide();
        $newContent.show();
        $ajaxNewContent[effect.showEffect](effect.showSpeed);
      } else if (effect.showEffect !== 'show') {
        $newContent[effect.showEffect](effect.showSpeed);
      }
      if ($newContent.parents('html').length) {
        $newContent.each(function (index, element) {
          if (element.nodeType === Node.ELEMENT_NODE) {
            Drupal.attachBehaviors(element, settings);
          }
        });
      }
    },
    remove: function remove(ajax, response, status) {
      var settings = response.settings || ajax.settings || drupalSettings;
      $(response.selector).each(function () {
        Drupal.detachBehaviors(this, settings);
      }).remove();
    },
    changed: function changed(ajax, response, status) {
      var $element = $(response.selector);
      if (!$element.hasClass('ajax-changed')) {
        $element.addClass('ajax-changed');
        if (response.asterisk) {
          $element.find(response.asterisk).append(" <abbr class=\"ajax-changed\" title=\"".concat(Drupal.t('Changed'), "\">*</abbr> "));
        }
      }
    },
    alert: function alert(ajax, response, status) {
      window.alert(response.text);
    },
    announce: function announce(ajax, response) {
      if (response.priority) {
        Drupal.announce(response.text, response.priority);
      } else {
        Drupal.announce(response.text);
      }
    },
    redirect: function redirect(ajax, response, status) {
      window.location = response.url;
    },
    css: function css(ajax, response, status) {
      $(response.selector).css(response.argument);
    },
    settings: function settings(ajax, response, status) {
      var ajaxSettings = drupalSettings.ajax;
      if (ajaxSettings) {
        Drupal.ajax.expired().forEach(function (instance) {
          if (instance.selector) {
            var selector = instance.selector.replace('#', '');
            if (selector in ajaxSettings) {
              delete ajaxSettings[selector];
            }
          }
        });
      }
      if (response.merge) {
        $.extend(true, drupalSettings, response.settings);
      } else {
        ajax.settings = response.settings;
      }
    },
    data: function data(ajax, response, status) {
      $(response.selector).data(response.name, response.value);
    },
    focusFirst: function focusFirst(ajax, response, status) {
      var focusChanged = false;
      var container = document.querySelector(response.selector);
      if (container) {
        var tabbableElements = tabbable(container);
        if (tabbableElements.length) {
          tabbableElements[0].focus();
          focusChanged = true;
        } else if (isFocusable(container)) {
          container.focus();
          focusChanged = true;
        }
      }
      if (ajax.hasOwnProperty('element') && !focusChanged) {
        ajax.element.focus();
      }
    },
    invoke: function invoke(ajax, response, status) {
      var $element = $(response.selector);
      $element[response.method].apply($element, _toConsumableArray(response.args));
    },
    restripe: function restripe(ajax, response, status) {
      $(response.selector).find('> tbody > tr:visible, > tr:visible').removeClass('odd even').filter(':even').addClass('odd').end().filter(':odd').addClass('even');
    },
    update_build_id: function update_build_id(ajax, response, status) {
      document.querySelectorAll("input[name=\"form_build_id\"][value=\"".concat(response.old, "\"]")).forEach(function (item) {
        item.value = response.new;
      });
    },
    add_css: function add_css(ajax, response, status) {
      $('head').prepend(response.data);
    },
    message: function message(ajax, response) {
      var messages = new Drupal.Message(document.querySelector(response.messageWrapperQuerySelector));
      if (response.clearPrevious) {
        messages.clear();
      }
      messages.add(response.message, response.messageOptions);
    },
    add_js: function add_js(ajax, response, status) {
      var parentEl = document.querySelector(response.selector || 'body');
      var settings = ajax.settings || drupalSettings;
      var allUniqueBundleIds = response.data.map(function (script) {
        var uniqueBundleId = script.src + ajax.instanceIndex;
        loadjs(script.src, uniqueBundleId, {
          async: false,
          before: function before(path, scriptEl) {
            Object.keys(script).forEach(function (attributeKey) {
              scriptEl.setAttribute(attributeKey, script[attributeKey]);
            });
            parentEl.appendChild(scriptEl);
            return false;
          }
        });
        return uniqueBundleId;
      });
      return new Promise(function (resolve, reject) {
        loadjs.ready(allUniqueBundleIds, {
          success: function success() {
            Drupal.attachBehaviors(parentEl, settings);
            resolve();
          },
          error: function error(depsNotFound) {
            var message = Drupal.t("The following files could not be loaded: @dependencies", {
              '@dependencies': depsNotFound.join(', ')
            });
            reject(message);
          }
        });
      });
    }
  };
  var stopEvent = function stopEvent(xhr, settings) {
    return xhr.getResponseHeader('X-Drupal-Ajax-Token') === '1' && settings.isInProgress && settings.isInProgress();
  };
  $.extend(true, $.event.special, {
    ajaxSuccess: {
      trigger: function trigger(event, xhr, settings) {
        if (stopEvent(xhr, settings)) {
          return false;
        }
      }
    },
    ajaxComplete: {
      trigger: function trigger(event, xhr, settings) {
        if (stopEvent(xhr, settings)) {
          $.active++;
          return false;
        }
      }
    }
  });
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