/*
Unobtrusive JavaScript
https://github.com/rails/rails/blob/master/actionview/app/assets/javascripts
Released under the MIT license
 */


(function() {
  var context = this;

  (function() {
    (function() {
      this.Rails = {
        linkClickSelector: 'a[data-confirm], a[data-method], a[data-remote]:not([disabled]), a[data-disable-with], a[data-disable]',
        buttonClickSelector: {
          selector: 'button[data-remote]:not([form]), button[data-confirm]:not([form])',
          exclude: 'form button'
        },
        inputChangeSelector: 'select[data-remote], input[data-remote], textarea[data-remote]',
        formSubmitSelector: 'form',
        formInputClickSelector: 'form input[type=submit], form input[type=image], form button[type=submit], form button:not([type]), input[type=submit][form], input[type=image][form], button[type=submit][form], button[form]:not([type])',
        formDisableSelector: 'input[data-disable-with]:enabled, button[data-disable-with]:enabled, textarea[data-disable-with]:enabled, input[data-disable]:enabled, button[data-disable]:enabled, textarea[data-disable]:enabled',
        formEnableSelector: 'input[data-disable-with]:disabled, button[data-disable-with]:disabled, textarea[data-disable-with]:disabled, input[data-disable]:disabled, button[data-disable]:disabled, textarea[data-disable]:disabled',
        fileInputSelector: 'input[name][type=file]:not([disabled])',
        linkDisableSelector: 'a[data-disable-with], a[data-disable]',
        buttonDisableSelector: 'button[data-remote][data-disable-with], button[data-remote][data-disable]'
      };

    }).call(this);
  }).call(context);

  var Rails = context.Rails;

  (function() {
    (function() {
      var nonce;

      nonce = null;

      Rails.loadCSPNonce = function() {
        var ref;
        return nonce = (ref = document.querySelector("meta[name=csp-nonce]")) != null ? ref.content : void 0;
      };

      Rails.cspNonce = function() {
        return nonce != null ? nonce : Rails.loadCSPNonce();
      };

    }).call(this);
    (function() {
      var expando, m;

      m = Element.prototype.matches || Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector;

      Rails.matches = function(element, selector) {
        if (selector.exclude != null) {
          return m.call(element, selector.selector) && !m.call(element, selector.exclude);
        } else {
          return m.call(element, selector);
        }
      };

      expando = '_ujsData';

      Rails.getData = function(element, key) {
        var ref;
        return (ref = element[expando]) != null ? ref[key] : void 0;
      };

      Rails.setData = function(element, key, value) {
        if (element[expando] == null) {
          element[expando] = {};
        }
        return element[expando][key] = value;
      };

      Rails.$ = function(selector) {
        return Array.prototype.slice.call(document.querySelectorAll(selector));
      };

    }).call(this);
    (function() {
      var $, csrfParam, csrfToken;

      $ = Rails.$;

      csrfToken = Rails.csrfToken = function() {
        var meta;
        meta = document.querySelector('meta[name=csrf-token]');
        return meta && meta.content;
      };

      csrfParam = Rails.csrfParam = function() {
        var meta;
        meta = document.querySelector('meta[name=csrf-param]');
        return meta && meta.content;
      };

      Rails.CSRFProtection = function(xhr) {
        var token;
        token = csrfToken();
        if (token != null) {
          return xhr.setRequestHeader('X-CSRF-Token', token);
        }
      };

      Rails.refreshCSRFTokens = function() {
        var param, token;
        token = csrfToken();
        param = csrfParam();
        if ((token != null) && (param != null)) {
          return $('form input[name="' + param + '"]').forEach(function(input) {
            return input.value = token;
          });
        }
      };

    }).call(this);
    (function() {
      var CustomEvent, fire, matches, preventDefault;

      matches = Rails.matches;

      CustomEvent = window.CustomEvent;

      if (typeof CustomEvent !== 'function') {
        CustomEvent = function(event, params) {
          var evt;
          evt = document.createEvent('CustomEvent');
          evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
          return evt;
        };
        CustomEvent.prototype = window.Event.prototype;
        preventDefault = CustomEvent.prototype.preventDefault;
        CustomEvent.prototype.preventDefault = function() {
          var result;
          result = preventDefault.call(this);
          if (this.cancelable && !this.defaultPrevented) {
            Object.defineProperty(this, 'defaultPrevented', {
              get: function() {
                return true;
              }
            });
          }
          return result;
        };
      }

      fire = Rails.fire = function(obj, name, data) {
        var event;
        event = new CustomEvent(name, {
          bubbles: true,
          cancelable: true,
          detail: data
        });
        obj.dispatchEvent(event);
        return !event.defaultPrevented;
      };

      Rails.stopEverything = function(e) {
        fire(e.target, 'ujs:everythingStopped');
        e.preventDefault();
        e.stopPropagation();
        return e.stopImmediatePropagation();
      };

      Rails.delegate = function(element, selector, eventType, handler) {
        return element.addEventListener(eventType, function(e) {
          var target;
          target = e.target;
          while (!(!(target instanceof Element) || matches(target, selector))) {
            target = target.parentNode;
          }
          if (target instanceof Element && handler.call(target, e) === false) {
            e.preventDefault();
            return e.stopPropagation();
          }
        });
      };

    }).call(this);
    (function() {
      var AcceptHeaders, CSRFProtection, createXHR, cspNonce, fire, prepareOptions, processResponse;

      cspNonce = Rails.cspNonce, CSRFProtection = Rails.CSRFProtection, fire = Rails.fire;

      AcceptHeaders = {
        '*': '*/*',
        text: 'text/plain',
        html: 'text/html',
        xml: 'application/xml, text/xml',
        json: 'application/json, text/javascript',
        script: 'text/javascript, application/javascript, application/ecmascript, application/x-ecmascript'
      };

      Rails.ajax = function(options) {
        var xhr;
        options = prepareOptions(options);
        xhr = createXHR(options, function() {
          var ref, response;
          response = processResponse((ref = xhr.response) != null ? ref : xhr.responseText, xhr.getResponseHeader('Content-Type'));
          if (Math.floor(xhr.status / 100) === 2) {
            if (typeof options.success === "function") {
              options.success(response, xhr.statusText, xhr);
            }
          } else {
            if (typeof options.error === "function") {
              options.error(response, xhr.statusText, xhr);
            }
          }
          return typeof options.complete === "function" ? options.complete(xhr, xhr.statusText) : void 0;
        });
        if ((options.beforeSend != null) && !options.beforeSend(xhr, options)) {
          return false;
        }
        if (xhr.readyState === XMLHttpRequest.OPENED) {
          return xhr.send(options.data);
        }
      };

      prepareOptions = function(options) {
        options.url = options.url || location.href;
        options.type = options.type.toUpperCase();
        if (options.type === 'GET' && options.data) {
          if (options.url.indexOf('?') < 0) {
            options.url += '?' + options.data;
          } else {
            options.url += '&' + options.data;
          }
        }
        if (AcceptHeaders[options.dataType] == null) {
          options.dataType = '*';
        }
        options.accept = AcceptHeaders[options.dataType];
        if (options.dataType !== '*') {
          options.accept += ', */*; q=0.01';
        }
        return options;
      };

      createXHR = function(options, done) {
        var xhr;
        xhr = new XMLHttpRequest();
        xhr.open(options.type, options.url, true);
        xhr.setRequestHeader('Accept', options.accept);
        if (typeof options.data === 'string') {
          xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
        }
        if (!options.crossDomain) {
          xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
        }
        CSRFProtection(xhr);
        xhr.withCredentials = !!options.withCredentials;
        xhr.onreadystatechange = function() {
          if (xhr.readyState === XMLHttpRequest.DONE) {
            return done(xhr);
          }
        };
        return xhr;
      };

      processResponse = function(response, type) {
        var parser, script;
        if (typeof response === 'string' && typeof type === 'string') {
          if (type.match(/\bjson\b/)) {
            try {
              response = JSON.parse(response);
            } catch (error) {}
          } else if (type.match(/\b(?:java|ecma)script\b/)) {
            script = document.createElement('script');
            script.setAttribute('nonce', cspNonce());
            script.text = response;
            document.head.appendChild(script).parentNode.removeChild(script);
          } else if (type.match(/\b(xml|html|svg)\b/)) {
            parser = new DOMParser();
            type = type.replace(/;.+/, '');
            try {
              response = parser.parseFromString(response, type);
            } catch (error) {}
          }
        }
        return response;
      };

      Rails.href = function(element) {
        return element.href;
      };

      Rails.isCrossDomain = function(url) {
        var e, originAnchor, urlAnchor;
        originAnchor = document.createElement('a');
        originAnchor.href = location.href;
        urlAnchor = document.createElement('a');
        try {
          urlAnchor.href = url;
          return !(((!urlAnchor.protocol || urlAnchor.protocol === ':') && !urlAnchor.host) || (originAnchor.protocol + '//' + originAnchor.host === urlAnchor.protocol + '//' + urlAnchor.host));
        } catch (error) {
          e = error;
          return true;
        }
      };

    }).call(this);
    (function() {
      var matches, toArray;

      matches = Rails.matches;

      toArray = function(e) {
        return Array.prototype.slice.call(e);
      };

      Rails.serializeElement = function(element, additionalParam) {
        var inputs, params;
        inputs = [element];
        if (matches(element, 'form')) {
          inputs = toArray(element.elements);
        }
        params = [];
        inputs.forEach(function(input) {
          if (!input.name || input.disabled) {
            return;
          }
          if (matches(input, 'select')) {
            return toArray(input.options).forEach(function(option) {
              if (option.selected) {
                return params.push({
                  name: input.name,
                  value: option.value
                });
              }
            });
          } else if (input.checked || ['radio', 'checkbox', 'submit'].indexOf(input.type) === -1) {
            return params.push({
              name: input.name,
              value: input.value
            });
          }
        });
        if (additionalParam) {
          params.push(additionalParam);
        }
        return params.map(function(param) {
          if (param.name != null) {
            return (encodeURIComponent(param.name)) + "=" + (encodeURIComponent(param.value));
          } else {
            return param;
          }
        }).join('&');
      };

      Rails.formElements = function(form, selector) {
        if (matches(form, 'form')) {
          return toArray(form.elements).filter(function(el) {
            return matches(el, selector);
          });
        } else {
          return toArray(form.querySelectorAll(selector));
        }
      };

    }).call(this);
    (function() {
      var allowAction, fire, stopEverything;

      fire = Rails.fire, stopEverything = Rails.stopEverything;

      Rails.handleConfirm = function(e) {
        if (!allowAction(this)) {
          return stopEverything(e);
        }
      };

      allowAction = function(element) {
        var answer, callback, message;
        message = element.getAttribute('data-confirm');
        if (!message) {
          return true;
        }
        answer = false;
        if (fire(element, 'confirm')) {
          try {
            answer = confirm(message);
          } catch (error) {}
          callback = fire(element, 'confirm:complete', [answer]);
        }
        return answer && callback;
      };

    }).call(this);
    (function() {
      var disableFormElement, disableFormElements, disableLinkElement, enableFormElement, enableFormElements, enableLinkElement, formElements, getData, matches, setData, stopEverything;

      matches = Rails.matches, getData = Rails.getData, setData = Rails.setData, stopEverything = Rails.stopEverything, formElements = Rails.formElements;

      Rails.handleDisabledElement = function(e) {
        var element;
        element = this;
        if (element.disabled) {
          return stopEverything(e);
        }
      };

      Rails.enableElement = function(e) {
        var element;
        element = e instanceof Event ? e.target : e;
        if (matches(element, Rails.linkDisableSelector)) {
          return enableLinkElement(element);
        } else if (matches(element, Rails.buttonDisableSelector) || matches(element, Rails.formEnableSelector)) {
          return enableFormElement(element);
        } else if (matches(element, Rails.formSubmitSelector)) {
          return enableFormElements(element);
        }
      };

      Rails.disableElement = function(e) {
        var element;
        element = e instanceof Event ? e.target : e;
        if (matches(element, Rails.linkDisableSelector)) {
          return disableLinkElement(element);
        } else if (matches(element, Rails.buttonDisableSelector) || matches(element, Rails.formDisableSelector)) {
          return disableFormElement(element);
        } else if (matches(element, Rails.formSubmitSelector)) {
          return disableFormElements(element);
        }
      };

      disableLinkElement = function(element) {
        var replacement;
        replacement = element.getAttribute('data-disable-with');
        if (replacement != null) {
          setData(element, 'ujs:enable-with', element.innerHTML);
          element.innerHTML = replacement;
        }
        element.addEventListener('click', stopEverything);
        return setData(element, 'ujs:disabled', true);
      };

      enableLinkElement = function(element) {
        var originalText;
        originalText = getData(element, 'ujs:enable-with');
        if (originalText != null) {
          element.innerHTML = originalText;
          setData(element, 'ujs:enable-with', null);
        }
        element.removeEventListener('click', stopEverything);
        return setData(element, 'ujs:disabled', null);
      };

      disableFormElements = function(form) {
        return formElements(form, Rails.formDisableSelector).forEach(disableFormElement);
      };

      disableFormElement = function(element) {
        var replacement;
        replacement = element.getAttribute('data-disable-with');
        if (replacement != null) {
          if (matches(element, 'button')) {
            setData(element, 'ujs:enable-with', element.innerHTML);
            element.innerHTML = replacement;
          } else {
            setData(element, 'ujs:enable-with', element.value);
            element.value = replacement;
          }
        }
        element.disabled = true;
        return setData(element, 'ujs:disabled', true);
      };

      enableFormElements = function(form) {
        return formElements(form, Rails.formEnableSelector).forEach(enableFormElement);
      };

      enableFormElement = function(element) {
        var originalText;
        originalText = getData(element, 'ujs:enable-with');
        if (originalText != null) {
          if (matches(element, 'button')) {
            element.innerHTML = originalText;
          } else {
            element.value = originalText;
          }
          setData(element, 'ujs:enable-with', null);
        }
        element.disabled = false;
        return setData(element, 'ujs:disabled', null);
      };

    }).call(this);
    (function() {
      var stopEverything;

      stopEverything = Rails.stopEverything;

      Rails.handleMethod = function(e) {
        var csrfParam, csrfToken, form, formContent, href, link, method;
        link = this;
        method = link.getAttribute('data-method');
        if (!method) {
          return;
        }
        href = Rails.href(link);
        csrfToken = Rails.csrfToken();
        csrfParam = Rails.csrfParam();
        form = document.createElement('form');
        formContent = "<input name='_method' value='" + method + "' type='hidden' />";
        if ((csrfParam != null) && (csrfToken != null) && !Rails.isCrossDomain(href)) {
          formContent += "<input name='" + csrfParam + "' value='" + csrfToken + "' type='hidden' />";
        }
        formContent += '<input type="submit" />';
        form.method = 'post';
        form.action = href;
        form.target = link.target;
        form.innerHTML = formContent;
        form.style.display = 'none';
        document.body.appendChild(form);
        form.querySelector('[type="submit"]').click();
        return stopEverything(e);
      };

    }).call(this);
    (function() {
      var ajax, fire, getData, isCrossDomain, isRemote, matches, serializeElement, setData, stopEverything,
        slice = [].slice;

      matches = Rails.matches, getData = Rails.getData, setData = Rails.setData, fire = Rails.fire, stopEverything = Rails.stopEverything, ajax = Rails.ajax, isCrossDomain = Rails.isCrossDomain, serializeElement = Rails.serializeElement;

      isRemote = function(element) {
        var value;
        value = element.getAttribute('data-remote');
        return (value != null) && value !== 'false';
      };

      Rails.handleRemote = function(e) {
        var button, data, dataType, element, method, url, withCredentials;
        element = this;
        if (!isRemote(element)) {
          return true;
        }
        if (!fire(element, 'ajax:before')) {
          fire(element, 'ajax:stopped');
          return false;
        }
        withCredentials = element.getAttribute('data-with-credentials');
        dataType = element.getAttribute('data-type') || 'script';
        if (matches(element, Rails.formSubmitSelector)) {
          button = getData(element, 'ujs:submit-button');
          method = getData(element, 'ujs:submit-button-formmethod') || element.method;
          url = getData(element, 'ujs:submit-button-formaction') || element.getAttribute('action') || location.href;
          if (method.toUpperCase() === 'GET') {
            url = url.replace(/\?.*$/, '');
          }
          if (element.enctype === 'multipart/form-data') {
            data = new FormData(element);
            if (button != null) {
              data.append(button.name, button.value);
            }
          } else {
            data = serializeElement(element, button);
          }
          setData(element, 'ujs:submit-button', null);
          setData(element, 'ujs:submit-button-formmethod', null);
          setData(element, 'ujs:submit-button-formaction', null);
        } else if (matches(element, Rails.buttonClickSelector) || matches(element, Rails.inputChangeSelector)) {
          method = element.getAttribute('data-method');
          url = element.getAttribute('data-url');
          data = serializeElement(element, element.getAttribute('data-params'));
        } else {
          method = element.getAttribute('data-method');
          url = Rails.href(element);
          data = element.getAttribute('data-params');
        }
        ajax({
          type: method || 'GET',
          url: url,
          data: data,
          dataType: dataType,
          beforeSend: function(xhr, options) {
            if (fire(element, 'ajax:beforeSend', [xhr, options])) {
              return fire(element, 'ajax:send', [xhr]);
            } else {
              fire(element, 'ajax:stopped');
              return false;
            }
          },
          success: function() {
            var args;
            args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
            return fire(element, 'ajax:success', args);
          },
          error: function() {
            var args;
            args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
            return fire(element, 'ajax:error', args);
          },
          complete: function() {
            var args;
            args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
            return fire(element, 'ajax:complete', args);
          },
          crossDomain: isCrossDomain(url),
          withCredentials: (withCredentials != null) && withCredentials !== 'false'
        });
        return stopEverything(e);
      };

      Rails.formSubmitButtonClick = function(e) {
        var button, form;
        button = this;
        form = button.form;
        if (!form) {
          return;
        }
        if (button.name) {
          setData(form, 'ujs:submit-button', {
            name: button.name,
            value: button.value
          });
        }
        setData(form, 'ujs:formnovalidate-button', button.formNoValidate);
        setData(form, 'ujs:submit-button-formaction', button.getAttribute('formaction'));
        return setData(form, 'ujs:submit-button-formmethod', button.getAttribute('formmethod'));
      };

      Rails.preventInsignificantClick = function(e) {
        var data, insignificantMetaClick, link, metaClick, method, primaryMouseKey;
        link = this;
        method = (link.getAttribute('data-method') || 'GET').toUpperCase();
        data = link.getAttribute('data-params');
        metaClick = e.metaKey || e.ctrlKey;
        insignificantMetaClick = metaClick && method === 'GET' && !data;
        primaryMouseKey = e.button === 0;
        if (!primaryMouseKey || insignificantMetaClick) {
          return e.stopImmediatePropagation();
        }
      };

    }).call(this);
    (function() {
      var $, CSRFProtection, delegate, disableElement, enableElement, fire, formSubmitButtonClick, getData, handleConfirm, handleDisabledElement, handleMethod, handleRemote, loadCSPNonce, preventInsignificantClick, refreshCSRFTokens;

      fire = Rails.fire, delegate = Rails.delegate, getData = Rails.getData, $ = Rails.$, refreshCSRFTokens = Rails.refreshCSRFTokens, CSRFProtection = Rails.CSRFProtection, loadCSPNonce = Rails.loadCSPNonce, enableElement = Rails.enableElement, disableElement = Rails.disableElement, handleDisabledElement = Rails.handleDisabledElement, handleConfirm = Rails.handleConfirm, preventInsignificantClick = Rails.preventInsignificantClick, handleRemote = Rails.handleRemote, formSubmitButtonClick = Rails.formSubmitButtonClick, handleMethod = Rails.handleMethod;

      if ((typeof jQuery !== "undefined" && jQuery !== null) && (jQuery.ajax != null)) {
        if (jQuery.rails) {
          throw new Error('If you load both jquery_ujs and rails-ujs, use rails-ujs only.');
        }
        jQuery.rails = Rails;
        jQuery.ajaxPrefilter(function(options, originalOptions, xhr) {
          if (!options.crossDomain) {
            return CSRFProtection(xhr);
          }
        });
      }

      Rails.start = function() {
        if (window._rails_loaded) {
          throw new Error('rails-ujs has already been loaded!');
        }
        window.addEventListener('pageshow', function() {
          $(Rails.formEnableSelector).forEach(function(el) {
            if (getData(el, 'ujs:disabled')) {
              return enableElement(el);
            }
          });
          return $(Rails.linkDisableSelector).forEach(function(el) {
            if (getData(el, 'ujs:disabled')) {
              return enableElement(el);
            }
          });
        });
        delegate(document, Rails.linkDisableSelector, 'ajax:complete', enableElement);
        delegate(document, Rails.linkDisableSelector, 'ajax:stopped', enableElement);
        delegate(document, Rails.buttonDisableSelector, 'ajax:complete', enableElement);
        delegate(document, Rails.buttonDisableSelector, 'ajax:stopped', enableElement);
        delegate(document, Rails.linkClickSelector, 'click', preventInsignificantClick);
        delegate(document, Rails.linkClickSelector, 'click', handleDisabledElement);
        delegate(document, Rails.linkClickSelector, 'click', handleConfirm);
        delegate(document, Rails.linkClickSelector, 'click', disableElement);
        delegate(document, Rails.linkClickSelector, 'click', handleRemote);
        delegate(document, Rails.linkClickSelector, 'click', handleMethod);
        delegate(document, Rails.buttonClickSelector, 'click', preventInsignificantClick);
        delegate(document, Rails.buttonClickSelector, 'click', handleDisabledElement);
        delegate(document, Rails.buttonClickSelector, 'click', handleConfirm);
        delegate(document, Rails.buttonClickSelector, 'click', disableElement);
        delegate(document, Rails.buttonClickSelector, 'click', handleRemote);
        delegate(document, Rails.inputChangeSelector, 'change', handleDisabledElement);
        delegate(document, Rails.inputChangeSelector, 'change', handleConfirm);
        delegate(document, Rails.inputChangeSelector, 'change', handleRemote);
        delegate(document, Rails.formSubmitSelector, 'submit', handleDisabledElement);
        delegate(document, Rails.formSubmitSelector, 'submit', handleConfirm);
        delegate(document, Rails.formSubmitSelector, 'submit', handleRemote);
        delegate(document, Rails.formSubmitSelector, 'submit', function(e) {
          return setTimeout((function() {
            return disableElement(e);
          }), 13);
        });
        delegate(document, Rails.formSubmitSelector, 'ajax:send', disableElement);
        delegate(document, Rails.formSubmitSelector, 'ajax:complete', enableElement);
        delegate(document, Rails.formInputClickSelector, 'click', preventInsignificantClick);
        delegate(document, Rails.formInputClickSelector, 'click', handleDisabledElement);
        delegate(document, Rails.formInputClickSelector, 'click', handleConfirm);
        delegate(document, Rails.formInputClickSelector, 'click', formSubmitButtonClick);
        document.addEventListener('DOMContentLoaded', refreshCSRFTokens);
        document.addEventListener('DOMContentLoaded', loadCSPNonce);
        return window._rails_loaded = true;
      };

      if (window.Rails === Rails && fire(document, 'rails:attachBindings')) {
        Rails.start();
      }

    }).call(this);
  }).call(this);

  if (typeof module === "object" && module.exports) {
    module.exports = Rails;
  } else if (typeof define === "function" && define.amd) {
    define(Rails);
  }
}).call(this);
(function(global, factory) {
  typeof exports === "object" && typeof module !== "undefined" ? factory(exports) : typeof define === "function" && define.amd ? define([ "exports" ], factory) : factory(global.ActiveStorage = {});
})(this, function(exports) {
  "use strict";
  function createCommonjsModule(fn, module) {
    return module = {
      exports: {}
    }, fn(module, module.exports), module.exports;
  }
  var sparkMd5 = createCommonjsModule(function(module, exports) {
    (function(factory) {
      {
        module.exports = factory();
      }
    })(function(undefined) {
      var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
      function md5cycle(x, k) {
        var a = x[0], b = x[1], c = x[2], d = x[3];
        a += (b & c | ~b & d) + k[0] - 680876936 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[1] - 389564586 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[2] + 606105819 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[4] - 176418897 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[7] - 45705983 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[10] - 42063 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
        a = (a << 7 | a >>> 25) + b | 0;
        d += (a & b | ~a & c) + k[13] - 40341101 | 0;
        d = (d << 12 | d >>> 20) + a | 0;
        c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
        c = (c << 17 | c >>> 15) + d | 0;
        b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
        b = (b << 22 | b >>> 10) + c | 0;
        a += (b & d | c & ~d) + k[1] - 165796510 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[11] + 643717713 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[0] - 373897302 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[5] - 701558691 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[10] + 38016083 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[15] - 660478335 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[4] - 405537848 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[9] + 568446438 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[3] - 187363961 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
        a = (a << 5 | a >>> 27) + b | 0;
        d += (a & c | b & ~c) + k[2] - 51403784 | 0;
        d = (d << 9 | d >>> 23) + a | 0;
        c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
        c = (c << 14 | c >>> 18) + d | 0;
        b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
        b = (b << 20 | b >>> 12) + c | 0;
        a += (b ^ c ^ d) + k[5] - 378558 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[14] - 35309556 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[7] - 155497632 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[13] + 681279174 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[0] - 358537222 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[3] - 722521979 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[6] + 76029189 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (b ^ c ^ d) + k[9] - 640364487 | 0;
        a = (a << 4 | a >>> 28) + b | 0;
        d += (a ^ b ^ c) + k[12] - 421815835 | 0;
        d = (d << 11 | d >>> 21) + a | 0;
        c += (d ^ a ^ b) + k[15] + 530742520 | 0;
        c = (c << 16 | c >>> 16) + d | 0;
        b += (c ^ d ^ a) + k[2] - 995338651 | 0;
        b = (b << 23 | b >>> 9) + c | 0;
        a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
        a = (a << 6 | a >>> 26) + b | 0;
        d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
        d = (d << 10 | d >>> 22) + a | 0;
        c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
        c = (c << 15 | c >>> 17) + d | 0;
        b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
        b = (b << 21 | b >>> 11) + c | 0;
        x[0] = a + x[0] | 0;
        x[1] = b + x[1] | 0;
        x[2] = c + x[2] | 0;
        x[3] = d + x[3] | 0;
      }
      function md5blk(s) {
        var md5blks = [], i;
        for (i = 0; i < 64; i += 4) {
          md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
        }
        return md5blks;
      }
      function md5blk_array(a) {
        var md5blks = [], i;
        for (i = 0; i < 64; i += 4) {
          md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
        }
        return md5blks;
      }
      function md51(s) {
        var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
        for (i = 64; i <= n; i += 64) {
          md5cycle(state, md5blk(s.substring(i - 64, i)));
        }
        s = s.substring(i - 64);
        length = s.length;
        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
        for (i = 0; i < length; i += 1) {
          tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
        }
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
          md5cycle(state, tail);
          for (i = 0; i < 16; i += 1) {
            tail[i] = 0;
          }
        }
        tmp = n * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(state, tail);
        return state;
      }
      function md51_array(a) {
        var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
        for (i = 64; i <= n; i += 64) {
          md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
        }
        a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
        length = a.length;
        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
        for (i = 0; i < length; i += 1) {
          tail[i >> 2] |= a[i] << (i % 4 << 3);
        }
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
          md5cycle(state, tail);
          for (i = 0; i < 16; i += 1) {
            tail[i] = 0;
          }
        }
        tmp = n * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(state, tail);
        return state;
      }
      function rhex(n) {
        var s = "", j;
        for (j = 0; j < 4; j += 1) {
          s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
        }
        return s;
      }
      function hex(x) {
        var i;
        for (i = 0; i < x.length; i += 1) {
          x[i] = rhex(x[i]);
        }
        return x.join("");
      }
      if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
      if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
        (function() {
          function clamp(val, length) {
            val = val | 0 || 0;
            if (val < 0) {
              return Math.max(val + length, 0);
            }
            return Math.min(val, length);
          }
          ArrayBuffer.prototype.slice = function(from, to) {
            var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
            if (to !== undefined) {
              end = clamp(to, length);
            }
            if (begin > end) {
              return new ArrayBuffer(0);
            }
            num = end - begin;
            target = new ArrayBuffer(num);
            targetArray = new Uint8Array(target);
            sourceArray = new Uint8Array(this, begin, num);
            targetArray.set(sourceArray);
            return target;
          };
        })();
      }
      function toUtf8(str) {
        if (/[\u0080-\uFFFF]/.test(str)) {
          str = unescape(encodeURIComponent(str));
        }
        return str;
      }
      function utf8Str2ArrayBuffer(str, returnUInt8Array) {
        var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
        for (i = 0; i < length; i += 1) {
          arr[i] = str.charCodeAt(i);
        }
        return returnUInt8Array ? arr : buff;
      }
      function arrayBuffer2Utf8Str(buff) {
        return String.fromCharCode.apply(null, new Uint8Array(buff));
      }
      function concatenateArrayBuffers(first, second, returnUInt8Array) {
        var result = new Uint8Array(first.byteLength + second.byteLength);
        result.set(new Uint8Array(first));
        result.set(new Uint8Array(second), first.byteLength);
        return returnUInt8Array ? result : result.buffer;
      }
      function hexToBinaryString(hex) {
        var bytes = [], length = hex.length, x;
        for (x = 0; x < length - 1; x += 2) {
          bytes.push(parseInt(hex.substr(x, 2), 16));
        }
        return String.fromCharCode.apply(String, bytes);
      }
      function SparkMD5() {
        this.reset();
      }
      SparkMD5.prototype.append = function(str) {
        this.appendBinary(toUtf8(str));
        return this;
      };
      SparkMD5.prototype.appendBinary = function(contents) {
        this._buff += contents;
        this._length += contents.length;
        var length = this._buff.length, i;
        for (i = 64; i <= length; i += 64) {
          md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
        }
        this._buff = this._buff.substring(i - 64);
        return this;
      };
      SparkMD5.prototype.end = function(raw) {
        var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
        for (i = 0; i < length; i += 1) {
          tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
        }
        this._finish(tail, length);
        ret = hex(this._hash);
        if (raw) {
          ret = hexToBinaryString(ret);
        }
        this.reset();
        return ret;
      };
      SparkMD5.prototype.reset = function() {
        this._buff = "";
        this._length = 0;
        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
        return this;
      };
      SparkMD5.prototype.getState = function() {
        return {
          buff: this._buff,
          length: this._length,
          hash: this._hash
        };
      };
      SparkMD5.prototype.setState = function(state) {
        this._buff = state.buff;
        this._length = state.length;
        this._hash = state.hash;
        return this;
      };
      SparkMD5.prototype.destroy = function() {
        delete this._hash;
        delete this._buff;
        delete this._length;
      };
      SparkMD5.prototype._finish = function(tail, length) {
        var i = length, tmp, lo, hi;
        tail[i >> 2] |= 128 << (i % 4 << 3);
        if (i > 55) {
          md5cycle(this._hash, tail);
          for (i = 0; i < 16; i += 1) {
            tail[i] = 0;
          }
        }
        tmp = this._length * 8;
        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
        lo = parseInt(tmp[2], 16);
        hi = parseInt(tmp[1], 16) || 0;
        tail[14] = lo;
        tail[15] = hi;
        md5cycle(this._hash, tail);
      };
      SparkMD5.hash = function(str, raw) {
        return SparkMD5.hashBinary(toUtf8(str), raw);
      };
      SparkMD5.hashBinary = function(content, raw) {
        var hash = md51(content), ret = hex(hash);
        return raw ? hexToBinaryString(ret) : ret;
      };
      SparkMD5.ArrayBuffer = function() {
        this.reset();
      };
      SparkMD5.ArrayBuffer.prototype.append = function(arr) {
        var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
        this._length += arr.byteLength;
        for (i = 64; i <= length; i += 64) {
          md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
        }
        this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
        return this;
      };
      SparkMD5.ArrayBuffer.prototype.end = function(raw) {
        var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
        for (i = 0; i < length; i += 1) {
          tail[i >> 2] |= buff[i] << (i % 4 << 3);
        }
        this._finish(tail, length);
        ret = hex(this._hash);
        if (raw) {
          ret = hexToBinaryString(ret);
        }
        this.reset();
        return ret;
      };
      SparkMD5.ArrayBuffer.prototype.reset = function() {
        this._buff = new Uint8Array(0);
        this._length = 0;
        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
        return this;
      };
      SparkMD5.ArrayBuffer.prototype.getState = function() {
        var state = SparkMD5.prototype.getState.call(this);
        state.buff = arrayBuffer2Utf8Str(state.buff);
        return state;
      };
      SparkMD5.ArrayBuffer.prototype.setState = function(state) {
        state.buff = utf8Str2ArrayBuffer(state.buff, true);
        return SparkMD5.prototype.setState.call(this, state);
      };
      SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
      SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
      SparkMD5.ArrayBuffer.hash = function(arr, raw) {
        var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
        return raw ? hexToBinaryString(ret) : ret;
      };
      return SparkMD5;
    });
  });
  var classCallCheck = function(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };
  var createClass = function() {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }
    return function(Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();
  var fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
  var FileChecksum = function() {
    createClass(FileChecksum, null, [ {
      key: "create",
      value: function create(file, callback) {
        var instance = new FileChecksum(file);
        instance.create(callback);
      }
    } ]);
    function FileChecksum(file) {
      classCallCheck(this, FileChecksum);
      this.file = file;
      this.chunkSize = 2097152;
      this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
      this.chunkIndex = 0;
    }
    createClass(FileChecksum, [ {
      key: "create",
      value: function create(callback) {
        var _this = this;
        this.callback = callback;
        this.md5Buffer = new sparkMd5.ArrayBuffer();
        this.fileReader = new FileReader();
        this.fileReader.addEventListener("load", function(event) {
          return _this.fileReaderDidLoad(event);
        });
        this.fileReader.addEventListener("error", function(event) {
          return _this.fileReaderDidError(event);
        });
        this.readNextChunk();
      }
    }, {
      key: "fileReaderDidLoad",
      value: function fileReaderDidLoad(event) {
        this.md5Buffer.append(event.target.result);
        if (!this.readNextChunk()) {
          var binaryDigest = this.md5Buffer.end(true);
          var base64digest = btoa(binaryDigest);
          this.callback(null, base64digest);
        }
      }
    }, {
      key: "fileReaderDidError",
      value: function fileReaderDidError(event) {
        this.callback("Error reading " + this.file.name);
      }
    }, {
      key: "readNextChunk",
      value: function readNextChunk() {
        if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
          var start = this.chunkIndex * this.chunkSize;
          var end = Math.min(start + this.chunkSize, this.file.size);
          var bytes = fileSlice.call(this.file, start, end);
          this.fileReader.readAsArrayBuffer(bytes);
          this.chunkIndex++;
          return true;
        } else {
          return false;
        }
      }
    } ]);
    return FileChecksum;
  }();
  function getMetaValue(name) {
    var element = findElement(document.head, 'meta[name="' + name + '"]');
    if (element) {
      return element.getAttribute("content");
    }
  }
  function findElements(root, selector) {
    if (typeof root == "string") {
      selector = root;
      root = document;
    }
    var elements = root.querySelectorAll(selector);
    return toArray$1(elements);
  }
  function findElement(root, selector) {
    if (typeof root == "string") {
      selector = root;
      root = document;
    }
    return root.querySelector(selector);
  }
  function dispatchEvent(element, type) {
    var eventInit = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
    var disabled = element.disabled;
    var bubbles = eventInit.bubbles, cancelable = eventInit.cancelable, detail = eventInit.detail;
    var event = document.createEvent("Event");
    event.initEvent(type, bubbles || true, cancelable || true);
    event.detail = detail || {};
    try {
      element.disabled = false;
      element.dispatchEvent(event);
    } finally {
      element.disabled = disabled;
    }
    return event;
  }
  function toArray$1(value) {
    if (Array.isArray(value)) {
      return value;
    } else if (Array.from) {
      return Array.from(value);
    } else {
      return [].slice.call(value);
    }
  }
  var BlobRecord = function() {
    function BlobRecord(file, checksum, url) {
      var _this = this;
      classCallCheck(this, BlobRecord);
      this.file = file;
      this.attributes = {
        filename: file.name,
        content_type: file.type,
        byte_size: file.size,
        checksum: checksum
      };
      this.xhr = new XMLHttpRequest();
      this.xhr.open("POST", url, true);
      this.xhr.responseType = "json";
      this.xhr.setRequestHeader("Content-Type", "application/json");
      this.xhr.setRequestHeader("Accept", "application/json");
      this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
      this.xhr.setRequestHeader("X-CSRF-Token", getMetaValue("csrf-token"));
      this.xhr.addEventListener("load", function(event) {
        return _this.requestDidLoad(event);
      });
      this.xhr.addEventListener("error", function(event) {
        return _this.requestDidError(event);
      });
    }
    createClass(BlobRecord, [ {
      key: "create",
      value: function create(callback) {
        this.callback = callback;
        this.xhr.send(JSON.stringify({
          blob: this.attributes
        }));
      }
    }, {
      key: "requestDidLoad",
      value: function requestDidLoad(event) {
        if (this.status >= 200 && this.status < 300) {
          var response = this.response;
          var direct_upload = response.direct_upload;
          delete response.direct_upload;
          this.attributes = response;
          this.directUploadData = direct_upload;
          this.callback(null, this.toJSON());
        } else {
          this.requestDidError(event);
        }
      }
    }, {
      key: "requestDidError",
      value: function requestDidError(event) {
        this.callback('Error creating Blob for "' + this.file.name + '". Status: ' + this.status);
      }
    }, {
      key: "toJSON",
      value: function toJSON() {
        var result = {};
        for (var key in this.attributes) {
          result[key] = this.attributes[key];
        }
        return result;
      }
    }, {
      key: "status",
      get: function get$$1() {
        return this.xhr.status;
      }
    }, {
      key: "response",
      get: function get$$1() {
        var _xhr = this.xhr, responseType = _xhr.responseType, response = _xhr.response;
        if (responseType == "json") {
          return response;
        } else {
          return JSON.parse(response);
        }
      }
    } ]);
    return BlobRecord;
  }();
  var BlobUpload = function() {
    function BlobUpload(blob) {
      var _this = this;
      classCallCheck(this, BlobUpload);
      this.blob = blob;
      this.file = blob.file;
      var _blob$directUploadDat = blob.directUploadData, url = _blob$directUploadDat.url, headers = _blob$directUploadDat.headers;
      this.xhr = new XMLHttpRequest();
      this.xhr.open("PUT", url, true);
      this.xhr.responseType = "text";
      for (var key in headers) {
        this.xhr.setRequestHeader(key, headers[key]);
      }
      this.xhr.addEventListener("load", function(event) {
        return _this.requestDidLoad(event);
      });
      this.xhr.addEventListener("error", function(event) {
        return _this.requestDidError(event);
      });
    }
    createClass(BlobUpload, [ {
      key: "create",
      value: function create(callback) {
        this.callback = callback;
        this.xhr.send(this.file.slice());
      }
    }, {
      key: "requestDidLoad",
      value: function requestDidLoad(event) {
        var _xhr = this.xhr, status = _xhr.status, response = _xhr.response;
        if (status >= 200 && status < 300) {
          this.callback(null, response);
        } else {
          this.requestDidError(event);
        }
      }
    }, {
      key: "requestDidError",
      value: function requestDidError(event) {
        this.callback('Error storing "' + this.file.name + '". Status: ' + this.xhr.status);
      }
    } ]);
    return BlobUpload;
  }();
  var id = 0;
  var DirectUpload = function() {
    function DirectUpload(file, url, delegate) {
      classCallCheck(this, DirectUpload);
      this.id = ++id;
      this.file = file;
      this.url = url;
      this.delegate = delegate;
    }
    createClass(DirectUpload, [ {
      key: "create",
      value: function create(callback) {
        var _this = this;
        FileChecksum.create(this.file, function(error, checksum) {
          if (error) {
            callback(error);
            return;
          }
          var blob = new BlobRecord(_this.file, checksum, _this.url);
          notify(_this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
          blob.create(function(error) {
            if (error) {
              callback(error);
            } else {
              var upload = new BlobUpload(blob);
              notify(_this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
              upload.create(function(error) {
                if (error) {
                  callback(error);
                } else {
                  callback(null, blob.toJSON());
                }
              });
            }
          });
        });
      }
    } ]);
    return DirectUpload;
  }();
  function notify(object, methodName) {
    if (object && typeof object[methodName] == "function") {
      for (var _len = arguments.length, messages = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
        messages[_key - 2] = arguments[_key];
      }
      return object[methodName].apply(object, messages);
    }
  }
  var DirectUploadController = function() {
    function DirectUploadController(input, file) {
      classCallCheck(this, DirectUploadController);
      this.input = input;
      this.file = file;
      this.directUpload = new DirectUpload(this.file, this.url, this);
      this.dispatch("initialize");
    }
    createClass(DirectUploadController, [ {
      key: "start",
      value: function start(callback) {
        var _this = this;
        var hiddenInput = document.createElement("input");
        hiddenInput.type = "hidden";
        hiddenInput.name = this.input.name;
        this.input.insertAdjacentElement("beforebegin", hiddenInput);
        this.dispatch("start");
        this.directUpload.create(function(error, attributes) {
          if (error) {
            hiddenInput.parentNode.removeChild(hiddenInput);
            _this.dispatchError(error);
          } else {
            hiddenInput.value = attributes.signed_id;
          }
          _this.dispatch("end");
          callback(error);
        });
      }
    }, {
      key: "uploadRequestDidProgress",
      value: function uploadRequestDidProgress(event) {
        var progress = event.loaded / event.total * 100;
        if (progress) {
          this.dispatch("progress", {
            progress: progress
          });
        }
      }
    }, {
      key: "dispatch",
      value: function dispatch(name) {
        var detail = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
        detail.file = this.file;
        detail.id = this.directUpload.id;
        return dispatchEvent(this.input, "direct-upload:" + name, {
          detail: detail
        });
      }
    }, {
      key: "dispatchError",
      value: function dispatchError(error) {
        var event = this.dispatch("error", {
          error: error
        });
        if (!event.defaultPrevented) {
          alert(error);
        }
      }
    }, {
      key: "directUploadWillCreateBlobWithXHR",
      value: function directUploadWillCreateBlobWithXHR(xhr) {
        this.dispatch("before-blob-request", {
          xhr: xhr
        });
      }
    }, {
      key: "directUploadWillStoreFileWithXHR",
      value: function directUploadWillStoreFileWithXHR(xhr) {
        var _this2 = this;
        this.dispatch("before-storage-request", {
          xhr: xhr
        });
        xhr.upload.addEventListener("progress", function(event) {
          return _this2.uploadRequestDidProgress(event);
        });
      }
    }, {
      key: "url",
      get: function get$$1() {
        return this.input.getAttribute("data-direct-upload-url");
      }
    } ]);
    return DirectUploadController;
  }();
  var inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
  var DirectUploadsController = function() {
    function DirectUploadsController(form) {
      classCallCheck(this, DirectUploadsController);
      this.form = form;
      this.inputs = findElements(form, inputSelector).filter(function(input) {
        return input.files.length;
      });
    }
    createClass(DirectUploadsController, [ {
      key: "start",
      value: function start(callback) {
        var _this = this;
        var controllers = this.createDirectUploadControllers();
        var startNextController = function startNextController() {
          var controller = controllers.shift();
          if (controller) {
            controller.start(function(error) {
              if (error) {
                callback(error);
                _this.dispatch("end");
              } else {
                startNextController();
              }
            });
          } else {
            callback();
            _this.dispatch("end");
          }
        };
        this.dispatch("start");
        startNextController();
      }
    }, {
      key: "createDirectUploadControllers",
      value: function createDirectUploadControllers() {
        var controllers = [];
        this.inputs.forEach(function(input) {
          toArray$1(input.files).forEach(function(file) {
            var controller = new DirectUploadController(input, file);
            controllers.push(controller);
          });
        });
        return controllers;
      }
    }, {
      key: "dispatch",
      value: function dispatch(name) {
        var detail = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
        return dispatchEvent(this.form, "direct-uploads:" + name, {
          detail: detail
        });
      }
    } ]);
    return DirectUploadsController;
  }();
  var processingAttribute = "data-direct-uploads-processing";
  var submitButtonsByForm = new WeakMap();
  var started = false;
  function start() {
    if (!started) {
      started = true;
      document.addEventListener("click", didClick, true);
      document.addEventListener("submit", didSubmitForm);
      document.addEventListener("ajax:before", didSubmitRemoteElement);
    }
  }
  function didClick(event) {
    var target = event.target;
    if ((target.tagName == "INPUT" || target.tagName == "BUTTON") && target.type == "submit" && target.form) {
      submitButtonsByForm.set(target.form, target);
    }
  }
  function didSubmitForm(event) {
    handleFormSubmissionEvent(event);
  }
  function didSubmitRemoteElement(event) {
    if (event.target.tagName == "FORM") {
      handleFormSubmissionEvent(event);
    }
  }
  function handleFormSubmissionEvent(event) {
    var form = event.target;
    if (form.hasAttribute(processingAttribute)) {
      event.preventDefault();
      return;
    }
    var controller = new DirectUploadsController(form);
    var inputs = controller.inputs;
    if (inputs.length) {
      event.preventDefault();
      form.setAttribute(processingAttribute, "");
      inputs.forEach(disable);
      controller.start(function(error) {
        form.removeAttribute(processingAttribute);
        if (error) {
          inputs.forEach(enable);
        } else {
          submitForm(form);
        }
      });
    }
  }
  function submitForm(form) {
    var button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
    if (button) {
      var _button = button, disabled = _button.disabled;
      button.disabled = false;
      button.focus();
      button.click();
      button.disabled = disabled;
    } else {
      button = document.createElement("input");
      button.type = "submit";
      button.style.display = "none";
      form.appendChild(button);
      button.click();
      form.removeChild(button);
    }
    submitButtonsByForm.delete(form);
  }
  function disable(input) {
    input.disabled = true;
  }
  function enable(input) {
    input.disabled = false;
  }
  function autostart() {
    if (window.ActiveStorage) {
      start();
    }
  }
  setTimeout(autostart, 1);
  exports.start = start;
  exports.DirectUpload = DirectUpload;
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
});
/*
Turbolinks 5.2.0
Copyright © 2018 Basecamp, LLC
 */

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this.location=e.Location.wrap(window.location),this.restorationIdentifier=e.uuid(),this.history.start(),this.history.replace(this.location,this.restorationIdentifier)},r.prototype.stopHistory=function(){return this.history.stop()},r.prototype.pushHistoryWithLocationAndRestorationIdentifier=function(t,r){return this.restorationIdentifier=r,this.location=e.Location.wrap(t),this.history.push(this.location,this.restorationIdentifier)},r.prototype.replaceHistoryWithLocationAndRestorationIdentifier=function(t,r){return this.restorationIdentifier=r,this.location=e.Location.wrap(t),this.history.replace(this.location,this.restorationIdentifier)},r.prototype.historyPoppedToLocationWithRestorationIdentifier=function(t,r){var n;return this.restorationIdentifier=r,this.enabled?(n=this.getRestorationDataForIdentifier(this.restorationIdentifier),this.startVisit(t,"restore",{restorationIdentifier:this.restorationIdentifier,restorationData:n,historyChanged:!0}),this.location=e.Location.wrap(t)):this.adapter.pageInvalidated()},r.prototype.getCachedSnapshotForLocation=function(t){var e;return null!=(e=this.cache.get(t))?e.clone():void 0},r.prototype.shouldCacheSnapshot=function(){return this.view.getSnapshot().isCacheable();
},r.prototype.cacheSnapshot=function(){var t,r;return this.shouldCacheSnapshot()?(this.notifyApplicationBeforeCachingSnapshot(),r=this.view.getSnapshot(),t=this.lastRenderedLocation,e.defer(function(e){return function(){return e.cache.put(t,r.clone())}}(this))):void 0},r.prototype.scrollToAnchor=function(t){var e;return(e=this.view.getElementForAnchor(t))?this.scrollToElement(e):this.scrollToPosition({x:0,y:0})},r.prototype.scrollToElement=function(t){return this.scrollManager.scrollToElement(t)},r.prototype.scrollToPosition=function(t){return this.scrollManager.scrollToPosition(t)},r.prototype.scrollPositionChanged=function(t){var e;return e=this.getCurrentRestorationData(),e.scrollPosition=t},r.prototype.render=function(t,e){return this.view.render(t,e)},r.prototype.viewInvalidated=function(){return this.adapter.pageInvalidated()},r.prototype.viewWillRender=function(t){return this.notifyApplicationBeforeRender(t)},r.prototype.viewRendered=function(){return this.lastRenderedLocation=this.currentVisit.location,this.notifyApplicationAfterRender()},r.prototype.pageLoaded=function(){return this.lastRenderedLocation=this.location,this.notifyApplicationAfterPageLoad()},r.prototype.clickCaptured=function(){return removeEventListener("click",this.clickBubbled,!1),addEventListener("click",this.clickBubbled,!1)},r.prototype.clickBubbled=function(t){var e,r,n;return this.enabled&&this.clickEventIsSignificant(t)&&(r=this.getVisitableLinkForNode(t.target))&&(n=this.getVisitableLocationForLink(r))&&this.applicationAllowsFollowingLinkToLocation(r,n)?(t.preventDefault(),e=this.getActionForLink(r),this.visit(n,{action:e})):void 0},r.prototype.applicationAllowsFollowingLinkToLocation=function(t,e){var r;return r=this.notifyApplicationAfterClickingLinkToLocation(t,e),!r.defaultPrevented},r.prototype.applicationAllowsVisitingLocation=function(t){var e;return e=this.notifyApplicationBeforeVisitingLocation(t),!e.defaultPrevented},r.prototype.notifyApplicationAfterClickingLinkToLocation=function(t,r){return e.dispatch("turbolinks:click",{target:t,data:{url:r.absoluteURL},cancelable:!0})},r.prototype.notifyApplicationBeforeVisitingLocation=function(t){return e.dispatch("turbolinks:before-visit",{data:{url:t.absoluteURL},cancelable:!0})},r.prototype.notifyApplicationAfterVisitingLocation=function(t){return e.dispatch("turbolinks:visit",{data:{url:t.absoluteURL}})},r.prototype.notifyApplicationBeforeCachingSnapshot=function(){return e.dispatch("turbolinks:before-cache")},r.prototype.notifyApplicationBeforeRender=function(t){return e.dispatch("turbolinks:before-render",{data:{newBody:t}})},r.prototype.notifyApplicationAfterRender=function(){return e.dispatch("turbolinks:render")},r.prototype.notifyApplicationAfterPageLoad=function(t){return null==t&&(t={}),e.dispatch("turbolinks:load",{data:{url:this.location.absoluteURL,timing:t}})},r.prototype.startVisit=function(t,e,r){var n;return null!=(n=this.currentVisit)&&n.cancel(),this.currentVisit=this.createVisit(t,e,r),this.currentVisit.start(),this.notifyApplicationAfterVisitingLocation(t)},r.prototype.createVisit=function(t,r,n){var o,i,s,a,u;return i=null!=n?n:{},a=i.restorationIdentifier,s=i.restorationData,o=i.historyChanged,u=new e.Visit(this,t,r),u.restorationIdentifier=null!=a?a:e.uuid(),u.restorationData=e.copyObject(s),u.historyChanged=o,u.referrer=this.location,u},r.prototype.visitCompleted=function(t){return this.notifyApplicationAfterPageLoad(t.getTimingMetrics())},r.prototype.clickEventIsSignificant=function(t){return!(t.defaultPrevented||t.target.isContentEditable||t.which>1||t.altKey||t.ctrlKey||t.metaKey||t.shiftKey)},r.prototype.getVisitableLinkForNode=function(t){return this.nodeIsVisitable(t)?e.closest(t,"a[href]:not([target]):not([download])"):void 0},r.prototype.getVisitableLocationForLink=function(t){var r;return r=new e.Location(t.getAttribute("href")),this.locationIsVisitable(r)?r:void 0},r.prototype.getActionForLink=function(t){var e;return null!=(e=t.getAttribute("data-turbolinks-action"))?e:"advance"},r.prototype.nodeIsVisitable=function(t){var r;return(r=e.closest(t,"[data-turbolinks]"))?"false"!==r.getAttribute("data-turbolinks"):!0},r.prototype.locationIsVisitable=function(t){return t.isPrefixedBy(this.view.getRootLocation())&&t.isHTML()},r.prototype.getCurrentRestorationData=function(){return this.getRestorationDataForIdentifier(this.restorationIdentifier)},r.prototype.getRestorationDataForIdentifier=function(t){var e;return null!=(e=this.restorationData)[t]?e[t]:e[t]={}},r}()}.call(this),function(){!function(){var t,e;if((t=e=document.currentScript)&&!e.hasAttribute("data-turbolinks-suppress-warning"))for(;t=t.parentNode;)if(t===document.body)return console.warn("You are loading Turbolinks from a <script> element inside the <body> element. This is probably not what you meant to do!\n\nLoad your application\u2019s JavaScript bundle inside the <head> element instead. <script> elements in <body> are evaluated with each page change.\n\nFor more information, see: https://github.com/turbolinks/turbolinks#working-with-script-elements\n\n\u2014\u2014\nSuppress this warning by adding a `data-turbolinks-suppress-warning` attribute to: %s",e.outerHTML)}()}.call(this),function(){var t,r,n;e.start=function(){return r()?(null==e.controller&&(e.controller=t()),e.controller.start()):void 0},r=function(){return null==window.Turbolinks&&(window.Turbolinks=e),n()},t=function(){var t;return t=new e.Controller,t.adapter=new e.BrowserAdapter(t),t},n=function(){return window.Turbolinks===e},n()&&e.start()}.call(this)}).call(this),"object"==typeof module&&module.exports?module.exports=e:"function"==typeof define&&define.amd&&define(e)}).call(this);
/*!
 * jQuery JavaScript Library v3.4.1
 * https://jquery.com/
 *
 * Includes Sizzle.js
 * https://sizzlejs.com/
 *
 * Copyright JS Foundation and other contributors
 * Released under the MIT license
 * https://jquery.org/license
 *
 * Date: 2019-05-01T21:04Z
 */

( function( global, factory ) {

  "use strict";

  if ( typeof module === "object" && typeof module.exports === "object" ) {

    // For CommonJS and CommonJS-like environments where a proper `window`
    // is present, execute the factory and get jQuery.
    // For environments that do not have a `window` with a `document`
    // (such as Node.js), expose a factory as module.exports.
    // This accentuates the need for the creation of a real `window`.
    // e.g. var jQuery = require("jquery")(window);
    // See ticket #14549 for more info.
    module.exports = global.document ?
      factory( global, true ) :
      function( w ) {
        if ( !w.document ) {
          throw new Error( "jQuery requires a window with a document" );
        }
        return factory( w );
      };
  } else {
    factory( global );
  }

// Pass this if window is not defined yet
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {

// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
// enough that all such attempts are guarded in a try block.
  "use strict";

  var arr = [];

  var document = window.document;

  var getProto = Object.getPrototypeOf;

  var slice = arr.slice;

  var concat = arr.concat;

  var push = arr.push;

  var indexOf = arr.indexOf;

  var class2type = {};

  var toString = class2type.toString;

  var hasOwn = class2type.hasOwnProperty;

  var fnToString = hasOwn.toString;

  var ObjectFunctionString = fnToString.call( Object );

  var support = {};

  var isFunction = function isFunction( obj ) {

    // Support: Chrome <=57, Firefox <=52
    // In some browsers, typeof returns "function" for HTML <object> elements
    // (i.e., `typeof document.createElement( "object" ) === "function"`).
    // We don't want to classify *any* DOM node as a function.
    return typeof obj === "function" && typeof obj.nodeType !== "number";
  };


  var isWindow = function isWindow( obj ) {
    return obj != null && obj === obj.window;
  };




  var preservedScriptAttributes = {
    type: true,
    src: true,
    nonce: true,
    noModule: true
  };

  function DOMEval( code, node, doc ) {
    doc = doc || document;

    var i, val,
      script = doc.createElement( "script" );

    script.text = code;
    if ( node ) {
      for ( i in preservedScriptAttributes ) {

        // Support: Firefox 64+, Edge 18+
        // Some browsers don't support the "nonce" property on scripts.
        // On the other hand, just using `getAttribute` is not enough as
        // the `nonce` attribute is reset to an empty string whenever it
        // becomes browsing-context connected.
        // See https://github.com/whatwg/html/issues/2369
        // See https://html.spec.whatwg.org/#nonce-attributes
        // The `node.getAttribute` check was added for the sake of
        // `jQuery.globalEval` so that it can fake a nonce-containing node
        // via an object.
        val = node[ i ] || node.getAttribute && node.getAttribute( i );
        if ( val ) {
          script.setAttribute( i, val );
        }
      }
    }
    doc.head.appendChild( script ).parentNode.removeChild( script );
  }


  function toType( obj ) {
    if ( obj == null ) {
      return obj + "";
    }

    // Support: Android <=2.3 only (functionish RegExp)
    return typeof obj === "object" || typeof obj === "function" ?
      class2type[ toString.call( obj ) ] || "object" :
      typeof obj;
  }
  /* global Symbol */
// Defining this global in .eslintrc.json would create a danger of using the global
// unguarded in another place, it seems safer to define global only for this module



  var
    version = "3.4.1",

    // Define a local copy of jQuery
    jQuery = function( selector, context ) {

      // The jQuery object is actually just the init constructor 'enhanced'
      // Need init if jQuery is called (just allow error to be thrown if not included)
      return new jQuery.fn.init( selector, context );
    },

    // Support: Android <=4.0 only
    // Make sure we trim BOM and NBSP
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;

  jQuery.fn = jQuery.prototype = {

    // The current version of jQuery being used
    jquery: version,

    constructor: jQuery,

    // The default length of a jQuery object is 0
    length: 0,

    toArray: function() {
      return slice.call( this );
    },

    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function( num ) {

      // Return all the elements in a clean array
      if ( num == null ) {
        return slice.call( this );
      }

      // Return just the one element from the set
      return num < 0 ? this[ num + this.length ] : this[ num ];
    },

    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function( elems ) {

      // Build a new jQuery matched element set
      var ret = jQuery.merge( this.constructor(), elems );

      // Add the old object onto the stack (as a reference)
      ret.prevObject = this;

      // Return the newly-formed element set
      return ret;
    },

    // Execute a callback for every element in the matched set.
    each: function( callback ) {
      return jQuery.each( this, callback );
    },

    map: function( callback ) {
      return this.pushStack( jQuery.map( this, function( elem, i ) {
        return callback.call( elem, i, elem );
      } ) );
    },

    slice: function() {
      return this.pushStack( slice.apply( this, arguments ) );
    },

    first: function() {
      return this.eq( 0 );
    },

    last: function() {
      return this.eq( -1 );
    },

    eq: function( i ) {
      var len = this.length,
        j = +i + ( i < 0 ? len : 0 );
      return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
    },

    end: function() {
      return this.prevObject || this.constructor();
    },

    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: push,
    sort: arr.sort,
    splice: arr.splice
  };

  jQuery.extend = jQuery.fn.extend = function() {
    var options, name, src, copy, copyIsArray, clone,
      target = arguments[ 0 ] || {},
      i = 1,
      length = arguments.length,
      deep = false;

    // Handle a deep copy situation
    if ( typeof target === "boolean" ) {
      deep = target;

      // Skip the boolean and the target
      target = arguments[ i ] || {};
      i++;
    }

    // Handle case when target is a string or something (possible in deep copy)
    if ( typeof target !== "object" && !isFunction( target ) ) {
      target = {};
    }

    // Extend jQuery itself if only one argument is passed
    if ( i === length ) {
      target = this;
      i--;
    }

    for ( ; i < length; i++ ) {

      // Only deal with non-null/undefined values
      if ( ( options = arguments[ i ] ) != null ) {

        // Extend the base object
        for ( name in options ) {
          copy = options[ name ];

          // Prevent Object.prototype pollution
          // Prevent never-ending loop
          if ( name === "__proto__" || target === copy ) {
            continue;
          }

          // Recurse if we're merging plain objects or arrays
          if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
            ( copyIsArray = Array.isArray( copy ) ) ) ) {
            src = target[ name ];

            // Ensure proper type for the source value
            if ( copyIsArray && !Array.isArray( src ) ) {
              clone = [];
            } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
              clone = {};
            } else {
              clone = src;
            }
            copyIsArray = false;

            // Never move original objects, clone them
            target[ name ] = jQuery.extend( deep, clone, copy );

            // Don't bring in undefined values
          } else if ( copy !== undefined ) {
            target[ name ] = copy;
          }
        }
      }
    }

    // Return the modified object
    return target;
  };

  jQuery.extend( {

    // Unique for each copy of jQuery on the page
    expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),

    // Assume jQuery is ready without the ready module
    isReady: true,

    error: function( msg ) {
      throw new Error( msg );
    },

    noop: function() {},

    isPlainObject: function( obj ) {
      var proto, Ctor;

      // Detect obvious negatives
      // Use toString instead of jQuery.type to catch host objects
      if ( !obj || toString.call( obj ) !== "[object Object]" ) {
        return false;
      }

      proto = getProto( obj );

      // Objects with no prototype (e.g., `Object.create( null )`) are plain
      if ( !proto ) {
        return true;
      }

      // Objects with prototype are plain iff they were constructed by a global Object function
      Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
      return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
    },

    isEmptyObject: function( obj ) {
      var name;

      for ( name in obj ) {
        return false;
      }
      return true;
    },

    // Evaluates a script in a global context
    globalEval: function( code, options ) {
      DOMEval( code, { nonce: options && options.nonce } );
    },

    each: function( obj, callback ) {
      var length, i = 0;

      if ( isArrayLike( obj ) ) {
        length = obj.length;
        for ( ; i < length; i++ ) {
          if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
            break;
          }
        }
      } else {
        for ( i in obj ) {
          if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
            break;
          }
        }
      }

      return obj;
    },

    // Support: Android <=4.0 only
    trim: function( text ) {
      return text == null ?
        "" :
        ( text + "" ).replace( rtrim, "" );
    },

    // results is for internal usage only
    makeArray: function( arr, results ) {
      var ret = results || [];

      if ( arr != null ) {
        if ( isArrayLike( Object( arr ) ) ) {
          jQuery.merge( ret,
            typeof arr === "string" ?
              [ arr ] : arr
          );
        } else {
          push.call( ret, arr );
        }
      }

      return ret;
    },

    inArray: function( elem, arr, i ) {
      return arr == null ? -1 : indexOf.call( arr, elem, i );
    },

    // Support: Android <=4.0 only, PhantomJS 1 only
    // push.apply(_, arraylike) throws on ancient WebKit
    merge: function( first, second ) {
      var len = +second.length,
        j = 0,
        i = first.length;

      for ( ; j < len; j++ ) {
        first[ i++ ] = second[ j ];
      }

      first.length = i;

      return first;
    },

    grep: function( elems, callback, invert ) {
      var callbackInverse,
        matches = [],
        i = 0,
        length = elems.length,
        callbackExpect = !invert;

      // Go through the array, only saving the items
      // that pass the validator function
      for ( ; i < length; i++ ) {
        callbackInverse = !callback( elems[ i ], i );
        if ( callbackInverse !== callbackExpect ) {
          matches.push( elems[ i ] );
        }
      }

      return matches;
    },

    // arg is for internal usage only
    map: function( elems, callback, arg ) {
      var length, value,
        i = 0,
        ret = [];

      // Go through the array, translating each of the items to their new values
      if ( isArrayLike( elems ) ) {
        length = elems.length;
        for ( ; i < length; i++ ) {
          value = callback( elems[ i ], i, arg );

          if ( value != null ) {
            ret.push( value );
          }
        }

        // Go through every key on the object,
      } else {
        for ( i in elems ) {
          value = callback( elems[ i ], i, arg );

          if ( value != null ) {
            ret.push( value );
          }
        }
      }

      // Flatten any nested arrays
      return concat.apply( [], ret );
    },

    // A global GUID counter for objects
    guid: 1,

    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support
  } );

  if ( typeof Symbol === "function" ) {
    jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }

// Populate the class2type map
  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
    function( i, name ) {
      class2type[ "[object " + name + "]" ] = name.toLowerCase();
    } );

  function isArrayLike( obj ) {

    // Support: real iOS 8.2 only (not reproducible in simulator)
    // `in` check used to prevent JIT error (gh-2145)
    // hasOwn isn't used here due to false negatives
    // regarding Nodelist length in IE
    var length = !!obj && "length" in obj && obj.length,
      type = toType( obj );

    if ( isFunction( obj ) || isWindow( obj ) ) {
      return false;
    }

    return type === "array" || length === 0 ||
      typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
    /*!
 * Sizzle CSS Selector Engine v2.3.4
 * https://sizzlejs.com/
 *
 * Copyright JS Foundation and other contributors
 * Released under the MIT license
 * https://js.foundation/
 *
 * Date: 2019-04-08
 */
    (function( window ) {

      var i,
        support,
        Expr,
        getText,
        isXML,
        tokenize,
        compile,
        select,
        outermostContext,
        sortInput,
        hasDuplicate,

        // Local document vars
        setDocument,
        document,
        docElem,
        documentIsHTML,
        rbuggyQSA,
        rbuggyMatches,
        matches,
        contains,

        // Instance-specific data
        expando = "sizzle" + 1 * new Date(),
        preferredDoc = window.document,
        dirruns = 0,
        done = 0,
        classCache = createCache(),
        tokenCache = createCache(),
        compilerCache = createCache(),
        nonnativeSelectorCache = createCache(),
        sortOrder = function( a, b ) {
          if ( a === b ) {
            hasDuplicate = true;
          }
          return 0;
        },

        // Instance methods
        hasOwn = ({}).hasOwnProperty,
        arr = [],
        pop = arr.pop,
        push_native = arr.push,
        push = arr.push,
        slice = arr.slice,
        // Use a stripped-down indexOf as it's faster than native
        // https://jsperf.com/thor-indexof-vs-for/5
        indexOf = function( list, elem ) {
          var i = 0,
            len = list.length;
          for ( ; i < len; i++ ) {
            if ( list[i] === elem ) {
              return i;
            }
          }
          return -1;
        },

        booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",

        // Regular expressions

        // http://www.w3.org/TR/css3-selectors/#whitespace
        whitespace = "[\\x20\\t\\r\\n\\f]",

        // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
        identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",

        // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
        attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
          // Operator (capture 2)
          "*([*^$|!~]?=)" + whitespace +
          // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
          "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
          "*\\]",

        pseudos = ":(" + identifier + ")(?:\\((" +
          // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
          // 1. quoted (capture 3; capture 4 or capture 5)
          "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
          // 2. simple (capture 6)
          "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
          // 3. anything else (capture 2)
          ".*" +
          ")\\)|)",

        // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
        rwhitespace = new RegExp( whitespace + "+", "g" ),
        rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

        rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
        rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
        rdescend = new RegExp( whitespace + "|>" ),

        rpseudo = new RegExp( pseudos ),
        ridentifier = new RegExp( "^" + identifier + "$" ),

        matchExpr = {
          "ID": new RegExp( "^#(" + identifier + ")" ),
          "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
          "TAG": new RegExp( "^(" + identifier + "|[*])" ),
          "ATTR": new RegExp( "^" + attributes ),
          "PSEUDO": new RegExp( "^" + pseudos ),
          "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
            "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
            "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
          "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
          // For use in libraries implementing .is()
          // We use this for POS matching in `select`
          "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
            whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
        },

        rhtml = /HTML$/i,
        rinputs = /^(?:input|select|textarea|button)$/i,
        rheader = /^h\d$/i,

        rnative = /^[^{]+\{\s*\[native \w/,

        // Easily-parseable/retrievable ID or TAG or CLASS selectors
        rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

        rsibling = /[+~]/,

        // CSS escapes
        // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
        runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
        funescape = function( _, escaped, escapedWhitespace ) {
          var high = "0x" + escaped - 0x10000;
          // NaN means non-codepoint
          // Support: Firefox<24
          // Workaround erroneous numeric interpretation of +"0x"
          return high !== high || escapedWhitespace ?
            escaped :
            high < 0 ?
              // BMP codepoint
              String.fromCharCode( high + 0x10000 ) :
              // Supplemental Plane codepoint (surrogate pair)
              String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
        },

        // CSS string/identifier serialization
        // https://drafts.csswg.org/cssom/#common-serializing-idioms
        rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
        fcssescape = function( ch, asCodePoint ) {
          if ( asCodePoint ) {

            // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
            if ( ch === "\0" ) {
              return "\uFFFD";
            }

            // Control characters and (dependent upon position) numbers get escaped as code points
            return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
          }

          // Other potentially-special ASCII characters get backslash-escaped
          return "\\" + ch;
        },

        // Used for iframes
        // See setDocument()
        // Removing the function wrapper causes a "Permission Denied"
        // error in IE
        unloadHandler = function() {
          setDocument();
        },

        inDisabledFieldset = addCombinator(
          function( elem ) {
            return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
          },
          { dir: "parentNode", next: "legend" }
        );

// Optimize for push.apply( _, NodeList )
      try {
        push.apply(
          (arr = slice.call( preferredDoc.childNodes )),
          preferredDoc.childNodes
        );
        // Support: Android<4.0
        // Detect silently failing push.apply
        arr[ preferredDoc.childNodes.length ].nodeType;
      } catch ( e ) {
        push = { apply: arr.length ?

            // Leverage slice if possible
            function( target, els ) {
              push_native.apply( target, slice.call(els) );
            } :

            // Support: IE<9
            // Otherwise append directly
            function( target, els ) {
              var j = target.length,
                i = 0;
              // Can't trust NodeList.length
              while ( (target[j++] = els[i++]) ) {}
              target.length = j - 1;
            }
        };
      }

      function Sizzle( selector, context, results, seed ) {
        var m, i, elem, nid, match, groups, newSelector,
          newContext = context && context.ownerDocument,

          // nodeType defaults to 9, since context defaults to document
          nodeType = context ? context.nodeType : 9;

        results = results || [];

        // Return early from calls with invalid selector or context
        if ( typeof selector !== "string" || !selector ||
          nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {

          return results;
        }

        // Try to shortcut find operations (as opposed to filters) in HTML documents
        if ( !seed ) {

          if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
            setDocument( context );
          }
          context = context || document;

          if ( documentIsHTML ) {

            // If the selector is sufficiently simple, try using a "get*By*" DOM method
            // (excepting DocumentFragment context, where the methods don't exist)
            if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {

              // ID selector
              if ( (m = match[1]) ) {

                // Document context
                if ( nodeType === 9 ) {
                  if ( (elem = context.getElementById( m )) ) {

                    // Support: IE, Opera, Webkit
                    // TODO: identify versions
                    // getElementById can match elements by name instead of ID
                    if ( elem.id === m ) {
                      results.push( elem );
                      return results;
                    }
                  } else {
                    return results;
                  }

                  // Element context
                } else {

                  // Support: IE, Opera, Webkit
                  // TODO: identify versions
                  // getElementById can match elements by name instead of ID
                  if ( newContext && (elem = newContext.getElementById( m )) &&
                    contains( context, elem ) &&
                    elem.id === m ) {

                    results.push( elem );
                    return results;
                  }
                }

                // Type selector
              } else if ( match[2] ) {
                push.apply( results, context.getElementsByTagName( selector ) );
                return results;

                // Class selector
              } else if ( (m = match[3]) && support.getElementsByClassName &&
                context.getElementsByClassName ) {

                push.apply( results, context.getElementsByClassName( m ) );
                return results;
              }
            }

            // Take advantage of querySelectorAll
            if ( support.qsa &&
              !nonnativeSelectorCache[ selector + " " ] &&
              (!rbuggyQSA || !rbuggyQSA.test( selector )) &&

              // Support: IE 8 only
              // Exclude object elements
              (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {

              newSelector = selector;
              newContext = context;

              // qSA considers elements outside a scoping root when evaluating child or
              // descendant combinators, which is not what we want.
              // In such cases, we work around the behavior by prefixing every selector in the
              // list with an ID selector referencing the scope context.
              // Thanks to Andrew Dupont for this technique.
              if ( nodeType === 1 && rdescend.test( selector ) ) {

                // Capture the context ID, setting it first if necessary
                if ( (nid = context.getAttribute( "id" )) ) {
                  nid = nid.replace( rcssescape, fcssescape );
                } else {
                  context.setAttribute( "id", (nid = expando) );
                }

                // Prefix every selector in the list
                groups = tokenize( selector );
                i = groups.length;
                while ( i-- ) {
                  groups[i] = "#" + nid + " " + toSelector( groups[i] );
                }
                newSelector = groups.join( "," );

                // Expand context for sibling selectors
                newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
                  context;
              }

              try {
                push.apply( results,
                  newContext.querySelectorAll( newSelector )
                );
                return results;
              } catch ( qsaError ) {
                nonnativeSelectorCache( selector, true );
              } finally {
                if ( nid === expando ) {
                  context.removeAttribute( "id" );
                }
              }
            }
          }
        }

        // All others
        return select( selector.replace( rtrim, "$1" ), context, results, seed );
      }

      /**
       * Create key-value caches of limited size
       * @returns {function(string, object)} Returns the Object data after storing it on itself with
       *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
       *	deleting the oldest entry
       */
      function createCache() {
        var keys = [];

        function cache( key, value ) {
          // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
          if ( keys.push( key + " " ) > Expr.cacheLength ) {
            // Only keep the most recent entries
            delete cache[ keys.shift() ];
          }
          return (cache[ key + " " ] = value);
        }
        return cache;
      }

      /**
       * Mark a function for special use by Sizzle
       * @param {Function} fn The function to mark
       */
      function markFunction( fn ) {
        fn[ expando ] = true;
        return fn;
      }

      /**
       * Support testing using an element
       * @param {Function} fn Passed the created element and returns a boolean result
       */
      function assert( fn ) {
        var el = document.createElement("fieldset");

        try {
          return !!fn( el );
        } catch (e) {
          return false;
        } finally {
          // Remove from its parent by default
          if ( el.parentNode ) {
            el.parentNode.removeChild( el );
          }
          // release memory in IE
          el = null;
        }
      }

      /**
       * Adds the same handler for all of the specified attrs
       * @param {String} attrs Pipe-separated list of attributes
       * @param {Function} handler The method that will be applied
       */
      function addHandle( attrs, handler ) {
        var arr = attrs.split("|"),
          i = arr.length;

        while ( i-- ) {
          Expr.attrHandle[ arr[i] ] = handler;
        }
      }

      /**
       * Checks document order of two siblings
       * @param {Element} a
       * @param {Element} b
       * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
       */
      function siblingCheck( a, b ) {
        var cur = b && a,
          diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
            a.sourceIndex - b.sourceIndex;

        // Use IE sourceIndex if available on both nodes
        if ( diff ) {
          return diff;
        }

        // Check if b follows a
        if ( cur ) {
          while ( (cur = cur.nextSibling) ) {
            if ( cur === b ) {
              return -1;
            }
          }
        }

        return a ? 1 : -1;
      }

      /**
       * Returns a function to use in pseudos for input types
       * @param {String} type
       */
      function createInputPseudo( type ) {
        return function( elem ) {
          var name = elem.nodeName.toLowerCase();
          return name === "input" && elem.type === type;
        };
      }

      /**
       * Returns a function to use in pseudos for buttons
       * @param {String} type
       */
      function createButtonPseudo( type ) {
        return function( elem ) {
          var name = elem.nodeName.toLowerCase();
          return (name === "input" || name === "button") && elem.type === type;
        };
      }

      /**
       * Returns a function to use in pseudos for :enabled/:disabled
       * @param {Boolean} disabled true for :disabled; false for :enabled
       */
      function createDisabledPseudo( disabled ) {

        // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
        return function( elem ) {

          // Only certain elements can match :enabled or :disabled
          // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
          // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
          if ( "form" in elem ) {

            // Check for inherited disabledness on relevant non-disabled elements:
            // * listed form-associated elements in a disabled fieldset
            //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
            // * option elements in a disabled optgroup
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
            // All such elements have a "form" property.
            if ( elem.parentNode && elem.disabled === false ) {

              // Option elements defer to a parent optgroup if present
              if ( "label" in elem ) {
                if ( "label" in elem.parentNode ) {
                  return elem.parentNode.disabled === disabled;
                } else {
                  return elem.disabled === disabled;
                }
              }

              // Support: IE 6 - 11
              // Use the isDisabled shortcut property to check for disabled fieldset ancestors
              return elem.isDisabled === disabled ||

                // Where there is no isDisabled, check manually
                /* jshint -W018 */
                elem.isDisabled !== !disabled &&
                inDisabledFieldset( elem ) === disabled;
            }

            return elem.disabled === disabled;

            // Try to winnow out elements that can't be disabled before trusting the disabled property.
            // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
            // even exist on them, let alone have a boolean value.
          } else if ( "label" in elem ) {
            return elem.disabled === disabled;
          }

          // Remaining elements are neither :enabled nor :disabled
          return false;
        };
      }

      /**
       * Returns a function to use in pseudos for positionals
       * @param {Function} fn
       */
      function createPositionalPseudo( fn ) {
        return markFunction(function( argument ) {
          argument = +argument;
          return markFunction(function( seed, matches ) {
            var j,
              matchIndexes = fn( [], seed.length, argument ),
              i = matchIndexes.length;

            // Match elements found at the specified indexes
            while ( i-- ) {
              if ( seed[ (j = matchIndexes[i]) ] ) {
                seed[j] = !(matches[j] = seed[j]);
              }
            }
          });
        });
      }

      /**
       * Checks a node for validity as a Sizzle context
       * @param {Element|Object=} context
       * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
       */
      function testContext( context ) {
        return context && typeof context.getElementsByTagName !== "undefined" && context;
      }

// Expose support vars for convenience
      support = Sizzle.support = {};

      /**
       * Detects XML nodes
       * @param {Element|Object} elem An element or a document
       * @returns {Boolean} True iff elem is a non-HTML XML node
       */
      isXML = Sizzle.isXML = function( elem ) {
        var namespace = elem.namespaceURI,
          docElem = (elem.ownerDocument || elem).documentElement;

        // Support: IE <=8
        // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
        // https://bugs.jquery.com/ticket/4833
        return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
      };

      /**
       * Sets document-related variables once based on the current document
       * @param {Element|Object} [doc] An element or document object to use to set the document
       * @returns {Object} Returns the current document
       */
      setDocument = Sizzle.setDocument = function( node ) {
        var hasCompare, subWindow,
          doc = node ? node.ownerDocument || node : preferredDoc;

        // Return early if doc is invalid or already selected
        if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
          return document;
        }

        // Update global variables
        document = doc;
        docElem = document.documentElement;
        documentIsHTML = !isXML( document );

        // Support: IE 9-11, Edge
        // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
        if ( preferredDoc !== document &&
          (subWindow = document.defaultView) && subWindow.top !== subWindow ) {

          // Support: IE 11, Edge
          if ( subWindow.addEventListener ) {
            subWindow.addEventListener( "unload", unloadHandler, false );

            // Support: IE 9 - 10 only
          } else if ( subWindow.attachEvent ) {
            subWindow.attachEvent( "onunload", unloadHandler );
          }
        }

        /* Attributes
	---------------------------------------------------------------------- */

        // Support: IE<8
        // Verify that getAttribute really returns attributes and not properties
        // (excepting IE8 booleans)
        support.attributes = assert(function( el ) {
          el.className = "i";
          return !el.getAttribute("className");
        });

        /* getElement(s)By*
	---------------------------------------------------------------------- */

        // Check if getElementsByTagName("*") returns only elements
        support.getElementsByTagName = assert(function( el ) {
          el.appendChild( document.createComment("") );
          return !el.getElementsByTagName("*").length;
        });

        // Support: IE<9
        support.getElementsByClassName = rnative.test( document.getElementsByClassName );

        // Support: IE<10
        // Check if getElementById returns elements by name
        // The broken getElementById methods don't pick up programmatically-set names,
        // so use a roundabout getElementsByName test
        support.getById = assert(function( el ) {
          docElem.appendChild( el ).id = expando;
          return !document.getElementsByName || !document.getElementsByName( expando ).length;
        });

        // ID filter and find
        if ( support.getById ) {
          Expr.filter["ID"] = function( id ) {
            var attrId = id.replace( runescape, funescape );
            return function( elem ) {
              return elem.getAttribute("id") === attrId;
            };
          };
          Expr.find["ID"] = function( id, context ) {
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
              var elem = context.getElementById( id );
              return elem ? [ elem ] : [];
            }
          };
        } else {
          Expr.filter["ID"] =  function( id ) {
            var attrId = id.replace( runescape, funescape );
            return function( elem ) {
              var node = typeof elem.getAttributeNode !== "undefined" &&
                elem.getAttributeNode("id");
              return node && node.value === attrId;
            };
          };

          // Support: IE 6 - 7 only
          // getElementById is not reliable as a find shortcut
          Expr.find["ID"] = function( id, context ) {
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
              var node, i, elems,
                elem = context.getElementById( id );

              if ( elem ) {

                // Verify the id attribute
                node = elem.getAttributeNode("id");
                if ( node && node.value === id ) {
                  return [ elem ];
                }

                // Fall back on getElementsByName
                elems = context.getElementsByName( id );
                i = 0;
                while ( (elem = elems[i++]) ) {
                  node = elem.getAttributeNode("id");
                  if ( node && node.value === id ) {
                    return [ elem ];
                  }
                }
              }

              return [];
            }
          };
        }

        // Tag
        Expr.find["TAG"] = support.getElementsByTagName ?
          function( tag, context ) {
            if ( typeof context.getElementsByTagName !== "undefined" ) {
              return context.getElementsByTagName( tag );

              // DocumentFragment nodes don't have gEBTN
            } else if ( support.qsa ) {
              return context.querySelectorAll( tag );
            }
          } :

          function( tag, context ) {
            var elem,
              tmp = [],
              i = 0,
              // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
              results = context.getElementsByTagName( tag );

            // Filter out possible comments
            if ( tag === "*" ) {
              while ( (elem = results[i++]) ) {
                if ( elem.nodeType === 1 ) {
                  tmp.push( elem );
                }
              }

              return tmp;
            }
            return results;
          };

        // Class
        Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
          if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
            return context.getElementsByClassName( className );
          }
        };

        /* QSA/matchesSelector
	---------------------------------------------------------------------- */

        // QSA and matchesSelector support

        // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
        rbuggyMatches = [];

        // qSa(:focus) reports false when true (Chrome 21)
        // We allow this because of a bug in IE8/9 that throws an error
        // whenever `document.activeElement` is accessed on an iframe
        // So, we allow :focus to pass through QSA all the time to avoid the IE error
        // See https://bugs.jquery.com/ticket/13378
        rbuggyQSA = [];

        if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
          // Build QSA regex
          // Regex strategy adopted from Diego Perini
          assert(function( el ) {
            // Select is set to empty string on purpose
            // This is to test IE's treatment of not explicitly
            // setting a boolean content attribute,
            // since its presence should be enough
            // https://bugs.jquery.com/ticket/12359
            docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
              "<select id='" + expando + "-\r\\' msallowcapture=''>" +
              "<option selected=''></option></select>";

            // Support: IE8, Opera 11-12.16
            // Nothing should be selected when empty strings follow ^= or $= or *=
            // The test attribute must be unknown in Opera but "safe" for WinRT
            // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
            if ( el.querySelectorAll("[msallowcapture^='']").length ) {
              rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
            }

            // Support: IE8
            // Boolean attributes and "value" are not treated correctly
            if ( !el.querySelectorAll("[selected]").length ) {
              rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
            }

            // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
            if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
              rbuggyQSA.push("~=");
            }

            // Webkit/Opera - :checked should return selected option elements
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
            // IE8 throws error here and will not see later tests
            if ( !el.querySelectorAll(":checked").length ) {
              rbuggyQSA.push(":checked");
            }

            // Support: Safari 8+, iOS 8+
            // https://bugs.webkit.org/show_bug.cgi?id=136851
            // In-page `selector#id sibling-combinator selector` fails
            if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
              rbuggyQSA.push(".#.+[+~]");
            }
          });

          assert(function( el ) {
            el.innerHTML = "<a href='' disabled='disabled'></a>" +
              "<select disabled='disabled'><option/></select>";

            // Support: Windows 8 Native Apps
            // The type and name attributes are restricted during .innerHTML assignment
            var input = document.createElement("input");
            input.setAttribute( "type", "hidden" );
            el.appendChild( input ).setAttribute( "name", "D" );

            // Support: IE8
            // Enforce case-sensitivity of name attribute
            if ( el.querySelectorAll("[name=d]").length ) {
              rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
            }

            // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
            // IE8 throws error here and will not see later tests
            if ( el.querySelectorAll(":enabled").length !== 2 ) {
              rbuggyQSA.push( ":enabled", ":disabled" );
            }

            // Support: IE9-11+
            // IE's :disabled selector does not pick up the children of disabled fieldsets
            docElem.appendChild( el ).disabled = true;
            if ( el.querySelectorAll(":disabled").length !== 2 ) {
              rbuggyQSA.push( ":enabled", ":disabled" );
            }

            // Opera 10-11 does not throw on post-comma invalid pseudos
            el.querySelectorAll("*,:x");
            rbuggyQSA.push(",.*:");
          });
        }

        if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
          docElem.webkitMatchesSelector ||
          docElem.mozMatchesSelector ||
          docElem.oMatchesSelector ||
          docElem.msMatchesSelector) )) ) {

          assert(function( el ) {
            // Check to see if it's possible to do matchesSelector
            // on a disconnected node (IE 9)
            support.disconnectedMatch = matches.call( el, "*" );

            // This should fail with an exception
            // Gecko does not error, returns false instead
            matches.call( el, "[s!='']:x" );
            rbuggyMatches.push( "!=", pseudos );
          });
        }

        rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
        rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );

        /* Contains
	---------------------------------------------------------------------- */
        hasCompare = rnative.test( docElem.compareDocumentPosition );

        // Element contains another
        // Purposefully self-exclusive
        // As in, an element does not contain itself
        contains = hasCompare || rnative.test( docElem.contains ) ?
          function( a, b ) {
            var adown = a.nodeType === 9 ? a.documentElement : a,
              bup = b && b.parentNode;
            return a === bup || !!( bup && bup.nodeType === 1 && (
              adown.contains ?
                adown.contains( bup ) :
                a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
            ));
          } :
          function( a, b ) {
            if ( b ) {
              while ( (b = b.parentNode) ) {
                if ( b === a ) {
                  return true;
                }
              }
            }
            return false;
          };

        /* Sorting
	---------------------------------------------------------------------- */

        // Document order sorting
        sortOrder = hasCompare ?
          function( a, b ) {

            // Flag for duplicate removal
            if ( a === b ) {
              hasDuplicate = true;
              return 0;
            }

            // Sort on method existence if only one input has compareDocumentPosition
            var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
            if ( compare ) {
              return compare;
            }

            // Calculate position if both inputs belong to the same document
            compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
              a.compareDocumentPosition( b ) :

              // Otherwise we know they are disconnected
              1;

            // Disconnected nodes
            if ( compare & 1 ||
              (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {

              // Choose the first element that is related to our preferred document
              if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
                return -1;
              }
              if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
                return 1;
              }

              // Maintain original order
              return sortInput ?
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
                0;
            }

            return compare & 4 ? -1 : 1;
          } :
          function( a, b ) {
            // Exit early if the nodes are identical
            if ( a === b ) {
              hasDuplicate = true;
              return 0;
            }

            var cur,
              i = 0,
              aup = a.parentNode,
              bup = b.parentNode,
              ap = [ a ],
              bp = [ b ];

            // Parentless nodes are either documents or disconnected
            if ( !aup || !bup ) {
              return a === document ? -1 :
                b === document ? 1 :
                  aup ? -1 :
                    bup ? 1 :
                      sortInput ?
                        ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
                        0;

              // If the nodes are siblings, we can do a quick check
            } else if ( aup === bup ) {
              return siblingCheck( a, b );
            }

            // Otherwise we need full lists of their ancestors for comparison
            cur = a;
            while ( (cur = cur.parentNode) ) {
              ap.unshift( cur );
            }
            cur = b;
            while ( (cur = cur.parentNode) ) {
              bp.unshift( cur );
            }

            // Walk down the tree looking for a discrepancy
            while ( ap[i] === bp[i] ) {
              i++;
            }

            return i ?
              // Do a sibling check if the nodes have a common ancestor
              siblingCheck( ap[i], bp[i] ) :

              // Otherwise nodes in our document sort first
              ap[i] === preferredDoc ? -1 :
                bp[i] === preferredDoc ? 1 :
                  0;
          };

        return document;
      };

      Sizzle.matches = function( expr, elements ) {
        return Sizzle( expr, null, null, elements );
      };

      Sizzle.matchesSelector = function( elem, expr ) {
        // Set document vars if needed
        if ( ( elem.ownerDocument || elem ) !== document ) {
          setDocument( elem );
        }

        if ( support.matchesSelector && documentIsHTML &&
          !nonnativeSelectorCache[ expr + " " ] &&
          ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
          ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {

          try {
            var ret = matches.call( elem, expr );

            // IE 9's matchesSelector returns false on disconnected nodes
            if ( ret || support.disconnectedMatch ||
              // As well, disconnected nodes are said to be in a document
              // fragment in IE 9
              elem.document && elem.document.nodeType !== 11 ) {
              return ret;
            }
          } catch (e) {
            nonnativeSelectorCache( expr, true );
          }
        }

        return Sizzle( expr, document, null, [ elem ] ).length > 0;
      };

      Sizzle.contains = function( context, elem ) {
        // Set document vars if needed
        if ( ( context.ownerDocument || context ) !== document ) {
          setDocument( context );
        }
        return contains( context, elem );
      };

      Sizzle.attr = function( elem, name ) {
        // Set document vars if needed
        if ( ( elem.ownerDocument || elem ) !== document ) {
          setDocument( elem );
        }

        var fn = Expr.attrHandle[ name.toLowerCase() ],
          // Don't get fooled by Object.prototype properties (jQuery #13807)
          val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
            fn( elem, name, !documentIsHTML ) :
            undefined;

        return val !== undefined ?
          val :
          support.attributes || !documentIsHTML ?
            elem.getAttribute( name ) :
            (val = elem.getAttributeNode(name)) && val.specified ?
              val.value :
              null;
      };

      Sizzle.escape = function( sel ) {
        return (sel + "").replace( rcssescape, fcssescape );
      };

      Sizzle.error = function( msg ) {
        throw new Error( "Syntax error, unrecognized expression: " + msg );
      };

      /**
       * Document sorting and removing duplicates
       * @param {ArrayLike} results
       */
      Sizzle.uniqueSort = function( results ) {
        var elem,
          duplicates = [],
          j = 0,
          i = 0;

        // Unless we *know* we can detect duplicates, assume their presence
        hasDuplicate = !support.detectDuplicates;
        sortInput = !support.sortStable && results.slice( 0 );
        results.sort( sortOrder );

        if ( hasDuplicate ) {
          while ( (elem = results[i++]) ) {
            if ( elem === results[ i ] ) {
              j = duplicates.push( i );
            }
          }
          while ( j-- ) {
            results.splice( duplicates[ j ], 1 );
          }
        }

        // Clear input after sorting to release objects
        // See https://github.com/jquery/sizzle/pull/225
        sortInput = null;

        return results;
      };

      /**
       * Utility function for retrieving the text value of an array of DOM nodes
       * @param {Array|Element} elem
       */
      getText = Sizzle.getText = function( elem ) {
        var node,
          ret = "",
          i = 0,
          nodeType = elem.nodeType;

        if ( !nodeType ) {
          // If no nodeType, this is expected to be an array
          while ( (node = elem[i++]) ) {
            // Do not traverse comment nodes
            ret += getText( node );
          }
        } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
          // Use textContent for elements
          // innerText usage removed for consistency of new lines (jQuery #11153)
          if ( typeof elem.textContent === "string" ) {
            return elem.textContent;
          } else {
            // Traverse its children
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
              ret += getText( elem );
            }
          }
        } else if ( nodeType === 3 || nodeType === 4 ) {
          return elem.nodeValue;
        }
        // Do not include comment or processing instruction nodes

        return ret;
      };

      Expr = Sizzle.selectors = {

        // Can be adjusted by the user
        cacheLength: 50,

        createPseudo: markFunction,

        match: matchExpr,

        attrHandle: {},

        find: {},

        relative: {
          ">": { dir: "parentNode", first: true },
          " ": { dir: "parentNode" },
          "+": { dir: "previousSibling", first: true },
          "~": { dir: "previousSibling" }
        },

        preFilter: {
          "ATTR": function( match ) {
            match[1] = match[1].replace( runescape, funescape );

            // Move the given value to match[3] whether quoted or unquoted
            match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );

            if ( match[2] === "~=" ) {
              match[3] = " " + match[3] + " ";
            }

            return match.slice( 0, 4 );
          },

          "CHILD": function( match ) {
            /* matches from matchExpr["CHILD"]
				1 type (only|nth|...)
				2 what (child|of-type)
				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
				4 xn-component of xn+y argument ([+-]?\d*n|)
				5 sign of xn-component
				6 x of xn-component
				7 sign of y-component
				8 y of y-component
			*/
            match[1] = match[1].toLowerCase();

            if ( match[1].slice( 0, 3 ) === "nth" ) {
              // nth-* requires argument
              if ( !match[3] ) {
                Sizzle.error( match[0] );
              }

              // numeric x and y parameters for Expr.filter.CHILD
              // remember that false/true cast respectively to 0/1
              match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
              match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );

              // other types prohibit arguments
            } else if ( match[3] ) {
              Sizzle.error( match[0] );
            }

            return match;
          },

          "PSEUDO": function( match ) {
            var excess,
              unquoted = !match[6] && match[2];

            if ( matchExpr["CHILD"].test( match[0] ) ) {
              return null;
            }

            // Accept quoted arguments as-is
            if ( match[3] ) {
              match[2] = match[4] || match[5] || "";

              // Strip excess characters from unquoted arguments
            } else if ( unquoted && rpseudo.test( unquoted ) &&
              // Get excess from tokenize (recursively)
              (excess = tokenize( unquoted, true )) &&
              // advance to the next closing parenthesis
              (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

              // excess is a negative index
              match[0] = match[0].slice( 0, excess );
              match[2] = unquoted.slice( 0, excess );
            }

            // Return only captures needed by the pseudo filter method (type and argument)
            return match.slice( 0, 3 );
          }
        },

        filter: {

          "TAG": function( nodeNameSelector ) {
            var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
            return nodeNameSelector === "*" ?
              function() { return true; } :
              function( elem ) {
                return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
              };
          },

          "CLASS": function( className ) {
            var pattern = classCache[ className + " " ];

            return pattern ||
              (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
              classCache( className, function( elem ) {
                return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
              });
          },

          "ATTR": function( name, operator, check ) {
            return function( elem ) {
              var result = Sizzle.attr( elem, name );

              if ( result == null ) {
                return operator === "!=";
              }
              if ( !operator ) {
                return true;
              }

              result += "";

              return operator === "=" ? result === check :
                operator === "!=" ? result !== check :
                  operator === "^=" ? check && result.indexOf( check ) === 0 :
                    operator === "*=" ? check && result.indexOf( check ) > -1 :
                      operator === "$=" ? check && result.slice( -check.length ) === check :
                        operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
                          operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
                            false;
            };
          },

          "CHILD": function( type, what, argument, first, last ) {
            var simple = type.slice( 0, 3 ) !== "nth",
              forward = type.slice( -4 ) !== "last",
              ofType = what === "of-type";

            return first === 1 && last === 0 ?

              // Shortcut for :nth-*(n)
              function( elem ) {
                return !!elem.parentNode;
              } :

              function( elem, context, xml ) {
                var cache, uniqueCache, outerCache, node, nodeIndex, start,
                  dir = simple !== forward ? "nextSibling" : "previousSibling",
                  parent = elem.parentNode,
                  name = ofType && elem.nodeName.toLowerCase(),
                  useCache = !xml && !ofType,
                  diff = false;

                if ( parent ) {

                  // :(first|last|only)-(child|of-type)
                  if ( simple ) {
                    while ( dir ) {
                      node = elem;
                      while ( (node = node[ dir ]) ) {
                        if ( ofType ?
                          node.nodeName.toLowerCase() === name :
                          node.nodeType === 1 ) {

                          return false;
                        }
                      }
                      // Reverse direction for :only-* (if we haven't yet done so)
                      start = dir = type === "only" && !start && "nextSibling";
                    }
                    return true;
                  }

                  start = [ forward ? parent.firstChild : parent.lastChild ];

                  // non-xml :nth-child(...) stores cache data on `parent`
                  if ( forward && useCache ) {

                    // Seek `elem` from a previously-cached index

                    // ...in a gzip-friendly way
                    node = parent;
                    outerCache = node[ expando ] || (node[ expando ] = {});

                    // Support: IE <9 only
                    // Defend against cloned attroperties (jQuery gh-1709)
                    uniqueCache = outerCache[ node.uniqueID ] ||
                      (outerCache[ node.uniqueID ] = {});

                    cache = uniqueCache[ type ] || [];
                    nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                    diff = nodeIndex && cache[ 2 ];
                    node = nodeIndex && parent.childNodes[ nodeIndex ];

                    while ( (node = ++nodeIndex && node && node[ dir ] ||

                      // Fallback to seeking `elem` from the start
                      (diff = nodeIndex = 0) || start.pop()) ) {

                      // When found, cache indexes on `parent` and break
                      if ( node.nodeType === 1 && ++diff && node === elem ) {
                        uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
                        break;
                      }
                    }

                  } else {
                    // Use previously-cached element index if available
                    if ( useCache ) {
                      // ...in a gzip-friendly way
                      node = elem;
                      outerCache = node[ expando ] || (node[ expando ] = {});

                      // Support: IE <9 only
                      // Defend against cloned attroperties (jQuery gh-1709)
                      uniqueCache = outerCache[ node.uniqueID ] ||
                        (outerCache[ node.uniqueID ] = {});

                      cache = uniqueCache[ type ] || [];
                      nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                      diff = nodeIndex;
                    }

                    // xml :nth-child(...)
                    // or :nth-last-child(...) or :nth(-last)?-of-type(...)
                    if ( diff === false ) {
                      // Use the same loop as above to seek `elem` from the start
                      while ( (node = ++nodeIndex && node && node[ dir ] ||
                        (diff = nodeIndex = 0) || start.pop()) ) {

                        if ( ( ofType ?
                          node.nodeName.toLowerCase() === name :
                          node.nodeType === 1 ) &&
                          ++diff ) {

                          // Cache the index of each encountered element
                          if ( useCache ) {
                            outerCache = node[ expando ] || (node[ expando ] = {});

                            // Support: IE <9 only
                            // Defend against cloned attroperties (jQuery gh-1709)
                            uniqueCache = outerCache[ node.uniqueID ] ||
                              (outerCache[ node.uniqueID ] = {});

                            uniqueCache[ type ] = [ dirruns, diff ];
                          }

                          if ( node === elem ) {
                            break;
                          }
                        }
                      }
                    }
                  }

                  // Incorporate the offset, then check against cycle size
                  diff -= last;
                  return diff === first || ( diff % first === 0 && diff / first >= 0 );
                }
              };
          },

          "PSEUDO": function( pseudo, argument ) {
            // pseudo-class names are case-insensitive
            // http://www.w3.org/TR/selectors/#pseudo-classes
            // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
            // Remember that setFilters inherits from pseudos
            var args,
              fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
                Sizzle.error( "unsupported pseudo: " + pseudo );

            // The user may use createPseudo to indicate that
            // arguments are needed to create the filter function
            // just as Sizzle does
            if ( fn[ expando ] ) {
              return fn( argument );
            }

            // But maintain support for old signatures
            if ( fn.length > 1 ) {
              args = [ pseudo, pseudo, "", argument ];
              return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
                markFunction(function( seed, matches ) {
                  var idx,
                    matched = fn( seed, argument ),
                    i = matched.length;
                  while ( i-- ) {
                    idx = indexOf( seed, matched[i] );
                    seed[ idx ] = !( matches[ idx ] = matched[i] );
                  }
                }) :
                function( elem ) {
                  return fn( elem, 0, args );
                };
            }

            return fn;
          }
        },

        pseudos: {
          // Potentially complex pseudos
          "not": markFunction(function( selector ) {
            // Trim the selector passed to compile
            // to avoid treating leading and trailing
            // spaces as combinators
            var input = [],
              results = [],
              matcher = compile( selector.replace( rtrim, "$1" ) );

            return matcher[ expando ] ?
              markFunction(function( seed, matches, context, xml ) {
                var elem,
                  unmatched = matcher( seed, null, xml, [] ),
                  i = seed.length;

                // Match elements unmatched by `matcher`
                while ( i-- ) {
                  if ( (elem = unmatched[i]) ) {
                    seed[i] = !(matches[i] = elem);
                  }
                }
              }) :
              function( elem, context, xml ) {
                input[0] = elem;
                matcher( input, null, xml, results );
                // Don't keep the element (issue #299)
                input[0] = null;
                return !results.pop();
              };
          }),

          "has": markFunction(function( selector ) {
            return function( elem ) {
              return Sizzle( selector, elem ).length > 0;
            };
          }),

          "contains": markFunction(function( text ) {
            text = text.replace( runescape, funescape );
            return function( elem ) {
              return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
            };
          }),

          // "Whether an element is represented by a :lang() selector
          // is based solely on the element's language value
          // being equal to the identifier C,
          // or beginning with the identifier C immediately followed by "-".
          // The matching of C against the element's language value is performed case-insensitively.
          // The identifier C does not have to be a valid language name."
          // http://www.w3.org/TR/selectors/#lang-pseudo
          "lang": markFunction( function( lang ) {
            // lang value must be a valid identifier
            if ( !ridentifier.test(lang || "") ) {
              Sizzle.error( "unsupported lang: " + lang );
            }
            lang = lang.replace( runescape, funescape ).toLowerCase();
            return function( elem ) {
              var elemLang;
              do {
                if ( (elemLang = documentIsHTML ?
                  elem.lang :
                  elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {

                  elemLang = elemLang.toLowerCase();
                  return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
                }
              } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
              return false;
            };
          }),

          // Miscellaneous
          "target": function( elem ) {
            var hash = window.location && window.location.hash;
            return hash && hash.slice( 1 ) === elem.id;
          },

          "root": function( elem ) {
            return elem === docElem;
          },

          "focus": function( elem ) {
            return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
          },

          // Boolean properties
          "enabled": createDisabledPseudo( false ),
          "disabled": createDisabledPseudo( true ),

          "checked": function( elem ) {
            // In CSS3, :checked should return both checked and selected elements
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
            var nodeName = elem.nodeName.toLowerCase();
            return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
          },

          "selected": function( elem ) {
            // Accessing this property makes selected-by-default
            // options in Safari work properly
            if ( elem.parentNode ) {
              elem.parentNode.selectedIndex;
            }

            return elem.selected === true;
          },

          // Contents
          "empty": function( elem ) {
            // http://www.w3.org/TR/selectors/#empty-pseudo
            // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
            //   but not by others (comment: 8; processing instruction: 7; etc.)
            // nodeType < 6 works because attributes (2) do not appear as children
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
              if ( elem.nodeType < 6 ) {
                return false;
              }
            }
            return true;
          },

          "parent": function( elem ) {
            return !Expr.pseudos["empty"]( elem );
          },

          // Element/input types
          "header": function( elem ) {
            return rheader.test( elem.nodeName );
          },

          "input": function( elem ) {
            return rinputs.test( elem.nodeName );
          },

          "button": function( elem ) {
            var name = elem.nodeName.toLowerCase();
            return name === "input" && elem.type === "button" || name === "button";
          },

          "text": function( elem ) {
            var attr;
            return elem.nodeName.toLowerCase() === "input" &&
              elem.type === "text" &&

              // Support: IE<8
              // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
              ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
          },

          // Position-in-collection
          "first": createPositionalPseudo(function() {
            return [ 0 ];
          }),

          "last": createPositionalPseudo(function( matchIndexes, length ) {
            return [ length - 1 ];
          }),

          "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
            return [ argument < 0 ? argument + length : argument ];
          }),

          "even": createPositionalPseudo(function( matchIndexes, length ) {
            var i = 0;
            for ( ; i < length; i += 2 ) {
              matchIndexes.push( i );
            }
            return matchIndexes;
          }),

          "odd": createPositionalPseudo(function( matchIndexes, length ) {
            var i = 1;
            for ( ; i < length; i += 2 ) {
              matchIndexes.push( i );
            }
            return matchIndexes;
          }),

          "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
            var i = argument < 0 ?
              argument + length :
              argument > length ?
                length :
                argument;
            for ( ; --i >= 0; ) {
              matchIndexes.push( i );
            }
            return matchIndexes;
          }),

          "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
            var i = argument < 0 ? argument + length : argument;
            for ( ; ++i < length; ) {
              matchIndexes.push( i );
            }
            return matchIndexes;
          })
        }
      };

      Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Add button/input type pseudos
      for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
        Expr.pseudos[ i ] = createInputPseudo( i );
      }
      for ( i in { submit: true, reset: true } ) {
        Expr.pseudos[ i ] = createButtonPseudo( i );
      }

// Easy API for creating new setFilters
      function setFilters() {}
      setFilters.prototype = Expr.filters = Expr.pseudos;
      Expr.setFilters = new setFilters();

      tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
        var matched, match, tokens, type,
          soFar, groups, preFilters,
          cached = tokenCache[ selector + " " ];

        if ( cached ) {
          return parseOnly ? 0 : cached.slice( 0 );
        }

        soFar = selector;
        groups = [];
        preFilters = Expr.preFilter;

        while ( soFar ) {

          // Comma and first run
          if ( !matched || (match = rcomma.exec( soFar )) ) {
            if ( match ) {
              // Don't consume trailing commas as valid
              soFar = soFar.slice( match[0].length ) || soFar;
            }
            groups.push( (tokens = []) );
          }

          matched = false;

          // Combinators
          if ( (match = rcombinators.exec( soFar )) ) {
            matched = match.shift();
            tokens.push({
              value: matched,
              // Cast descendant combinators to space
              type: match[0].replace( rtrim, " " )
            });
            soFar = soFar.slice( matched.length );
          }

          // Filters
          for ( type in Expr.filter ) {
            if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
              (match = preFilters[ type ]( match ))) ) {
              matched = match.shift();
              tokens.push({
                value: matched,
                type: type,
                matches: match
              });
              soFar = soFar.slice( matched.length );
            }
          }

          if ( !matched ) {
            break;
          }
        }

        // Return the length of the invalid excess
        // if we're just parsing
        // Otherwise, throw an error or return tokens
        return parseOnly ?
          soFar.length :
          soFar ?
            Sizzle.error( selector ) :
            // Cache the tokens
            tokenCache( selector, groups ).slice( 0 );
      };

      function toSelector( tokens ) {
        var i = 0,
          len = tokens.length,
          selector = "";
        for ( ; i < len; i++ ) {
          selector += tokens[i].value;
        }
        return selector;
      }

      function addCombinator( matcher, combinator, base ) {
        var dir = combinator.dir,
          skip = combinator.next,
          key = skip || dir,
          checkNonElements = base && key === "parentNode",
          doneName = done++;

        return combinator.first ?
          // Check against closest ancestor/preceding element
          function( elem, context, xml ) {
            while ( (elem = elem[ dir ]) ) {
              if ( elem.nodeType === 1 || checkNonElements ) {
                return matcher( elem, context, xml );
              }
            }
            return false;
          } :

          // Check against all ancestor/preceding elements
          function( elem, context, xml ) {
            var oldCache, uniqueCache, outerCache,
              newCache = [ dirruns, doneName ];

            // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
            if ( xml ) {
              while ( (elem = elem[ dir ]) ) {
                if ( elem.nodeType === 1 || checkNonElements ) {
                  if ( matcher( elem, context, xml ) ) {
                    return true;
                  }
                }
              }
            } else {
              while ( (elem = elem[ dir ]) ) {
                if ( elem.nodeType === 1 || checkNonElements ) {
                  outerCache = elem[ expando ] || (elem[ expando ] = {});

                  // Support: IE <9 only
                  // Defend against cloned attroperties (jQuery gh-1709)
                  uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});

                  if ( skip && skip === elem.nodeName.toLowerCase() ) {
                    elem = elem[ dir ] || elem;
                  } else if ( (oldCache = uniqueCache[ key ]) &&
                    oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {

                    // Assign to newCache so results back-propagate to previous elements
                    return (newCache[ 2 ] = oldCache[ 2 ]);
                  } else {
                    // Reuse newcache so results back-propagate to previous elements
                    uniqueCache[ key ] = newCache;

                    // A match means we're done; a fail means we have to keep checking
                    if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
                      return true;
                    }
                  }
                }
              }
            }
            return false;
          };
      }

      function elementMatcher( matchers ) {
        return matchers.length > 1 ?
          function( elem, context, xml ) {
            var i = matchers.length;
            while ( i-- ) {
              if ( !matchers[i]( elem, context, xml ) ) {
                return false;
              }
            }
            return true;
          } :
          matchers[0];
      }

      function multipleContexts( selector, contexts, results ) {
        var i = 0,
          len = contexts.length;
        for ( ; i < len; i++ ) {
          Sizzle( selector, contexts[i], results );
        }
        return results;
      }

      function condense( unmatched, map, filter, context, xml ) {
        var elem,
          newUnmatched = [],
          i = 0,
          len = unmatched.length,
          mapped = map != null;

        for ( ; i < len; i++ ) {
          if ( (elem = unmatched[i]) ) {
            if ( !filter || filter( elem, context, xml ) ) {
              newUnmatched.push( elem );
              if ( mapped ) {
                map.push( i );
              }
            }
          }
        }

        return newUnmatched;
      }

      function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
        if ( postFilter && !postFilter[ expando ] ) {
          postFilter = setMatcher( postFilter );
        }
        if ( postFinder && !postFinder[ expando ] ) {
          postFinder = setMatcher( postFinder, postSelector );
        }
        return markFunction(function( seed, results, context, xml ) {
          var temp, i, elem,
            preMap = [],
            postMap = [],
            preexisting = results.length,

            // Get initial elements from seed or context
            elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

            // Prefilter to get matcher input, preserving a map for seed-results synchronization
            matcherIn = preFilter && ( seed || !selector ) ?
              condense( elems, preMap, preFilter, context, xml ) :
              elems,

            matcherOut = matcher ?
              // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
              postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

                // ...intermediate processing is necessary
                [] :

                // ...otherwise use results directly
                results :
              matcherIn;

          // Find primary matches
          if ( matcher ) {
            matcher( matcherIn, matcherOut, context, xml );
          }

          // Apply postFilter
          if ( postFilter ) {
            temp = condense( matcherOut, postMap );
            postFilter( temp, [], context, xml );

            // Un-match failing elements by moving them back to matcherIn
            i = temp.length;
            while ( i-- ) {
              if ( (elem = temp[i]) ) {
                matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
              }
            }
          }

          if ( seed ) {
            if ( postFinder || preFilter ) {
              if ( postFinder ) {
                // Get the final matcherOut by condensing this intermediate into postFinder contexts
                temp = [];
                i = matcherOut.length;
                while ( i-- ) {
                  if ( (elem = matcherOut[i]) ) {
                    // Restore matcherIn since elem is not yet a final match
                    temp.push( (matcherIn[i] = elem) );
                  }
                }
                postFinder( null, (matcherOut = []), temp, xml );
              }

              // Move matched elements from seed to results to keep them synchronized
              i = matcherOut.length;
              while ( i-- ) {
                if ( (elem = matcherOut[i]) &&
                  (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {

                  seed[temp] = !(results[temp] = elem);
                }
              }
            }

            // Add elements to results, through postFinder if defined
          } else {
            matcherOut = condense(
              matcherOut === results ?
                matcherOut.splice( preexisting, matcherOut.length ) :
                matcherOut
            );
            if ( postFinder ) {
              postFinder( null, results, matcherOut, xml );
            } else {
              push.apply( results, matcherOut );
            }
          }
        });
      }

      function matcherFromTokens( tokens ) {
        var checkContext, matcher, j,
          len = tokens.length,
          leadingRelative = Expr.relative[ tokens[0].type ],
          implicitRelative = leadingRelative || Expr.relative[" "],
          i = leadingRelative ? 1 : 0,

          // The foundational matcher ensures that elements are reachable from top-level context(s)
          matchContext = addCombinator( function( elem ) {
            return elem === checkContext;
          }, implicitRelative, true ),
          matchAnyContext = addCombinator( function( elem ) {
            return indexOf( checkContext, elem ) > -1;
          }, implicitRelative, true ),
          matchers = [ function( elem, context, xml ) {
            var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
              (checkContext = context).nodeType ?
                matchContext( elem, context, xml ) :
                matchAnyContext( elem, context, xml ) );
            // Avoid hanging onto element (issue #299)
            checkContext = null;
            return ret;
          } ];

        for ( ; i < len; i++ ) {
          if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
            matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
          } else {
            matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

            // Return special upon seeing a positional matcher
            if ( matcher[ expando ] ) {
              // Find the next relative operator (if any) for proper handling
              j = ++i;
              for ( ; j < len; j++ ) {
                if ( Expr.relative[ tokens[j].type ] ) {
                  break;
                }
              }
              return setMatcher(
                i > 1 && elementMatcher( matchers ),
                i > 1 && toSelector(
                // If the preceding token was a descendant combinator, insert an implicit any-element `*`
                tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
                ).replace( rtrim, "$1" ),
                matcher,
                i < j && matcherFromTokens( tokens.slice( i, j ) ),
                j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
                j < len && toSelector( tokens )
              );
            }
            matchers.push( matcher );
          }
        }

        return elementMatcher( matchers );
      }

      function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
        var bySet = setMatchers.length > 0,
          byElement = elementMatchers.length > 0,
          superMatcher = function( seed, context, xml, results, outermost ) {
            var elem, j, matcher,
              matchedCount = 0,
              i = "0",
              unmatched = seed && [],
              setMatched = [],
              contextBackup = outermostContext,
              // We must always have either seed elements or outermost context
              elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
              // Use integer dirruns iff this is the outermost matcher
              dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
              len = elems.length;

            if ( outermost ) {
              outermostContext = context === document || context || outermost;
            }

            // Add elements passing elementMatchers directly to results
            // Support: IE<9, Safari
            // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
            for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
              if ( byElement && elem ) {
                j = 0;
                if ( !context && elem.ownerDocument !== document ) {
                  setDocument( elem );
                  xml = !documentIsHTML;
                }
                while ( (matcher = elementMatchers[j++]) ) {
                  if ( matcher( elem, context || document, xml) ) {
                    results.push( elem );
                    break;
                  }
                }
                if ( outermost ) {
                  dirruns = dirrunsUnique;
                }
              }

              // Track unmatched elements for set filters
              if ( bySet ) {
                // They will have gone through all possible matchers
                if ( (elem = !matcher && elem) ) {
                  matchedCount--;
                }

                // Lengthen the array for every element, matched or not
                if ( seed ) {
                  unmatched.push( elem );
                }
              }
            }

            // `i` is now the count of elements visited above, and adding it to `matchedCount`
            // makes the latter nonnegative.
            matchedCount += i;

            // Apply set filters to unmatched elements
            // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
            // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
            // no element matchers and no seed.
            // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
            // case, which will result in a "00" `matchedCount` that differs from `i` but is also
            // numerically zero.
            if ( bySet && i !== matchedCount ) {
              j = 0;
              while ( (matcher = setMatchers[j++]) ) {
                matcher( unmatched, setMatched, context, xml );
              }

              if ( seed ) {
                // Reintegrate element matches to eliminate the need for sorting
                if ( matchedCount > 0 ) {
                  while ( i-- ) {
                    if ( !(unmatched[i] || setMatched[i]) ) {
                      setMatched[i] = pop.call( results );
                    }
                  }
                }

                // Discard index placeholder values to get only actual matches
                setMatched = condense( setMatched );
              }

              // Add matches to results
              push.apply( results, setMatched );

              // Seedless set matches succeeding multiple successful matchers stipulate sorting
              if ( outermost && !seed && setMatched.length > 0 &&
                ( matchedCount + setMatchers.length ) > 1 ) {

                Sizzle.uniqueSort( results );
              }
            }

            // Override manipulation of globals by nested matchers
            if ( outermost ) {
              dirruns = dirrunsUnique;
              outermostContext = contextBackup;
            }

            return unmatched;
          };

        return bySet ?
          markFunction( superMatcher ) :
          superMatcher;
      }

      compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
        var i,
          setMatchers = [],
          elementMatchers = [],
          cached = compilerCache[ selector + " " ];

        if ( !cached ) {
          // Generate a function of recursive functions that can be used to check each element
          if ( !match ) {
            match = tokenize( selector );
          }
          i = match.length;
          while ( i-- ) {
            cached = matcherFromTokens( match[i] );
            if ( cached[ expando ] ) {
              setMatchers.push( cached );
            } else {
              elementMatchers.push( cached );
            }
          }

          // Cache the compiled function
          cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );

          // Save selector and tokenization
          cached.selector = selector;
        }
        return cached;
      };

      /**
       * A low-level selection function that works with Sizzle's compiled
       *  selector functions
       * @param {String|Function} selector A selector or a pre-compiled
       *  selector function built with Sizzle.compile
       * @param {Element} context
       * @param {Array} [results]
       * @param {Array} [seed] A set of elements to match against
       */
      select = Sizzle.select = function( selector, context, results, seed ) {
        var i, tokens, token, type, find,
          compiled = typeof selector === "function" && selector,
          match = !seed && tokenize( (selector = compiled.selector || selector) );

        results = results || [];

        // Try to minimize operations if there is only one selector in the list and no seed
        // (the latter of which guarantees us context)
        if ( match.length === 1 ) {

          // Reduce context if the leading compound selector is an ID
          tokens = match[0] = match[0].slice( 0 );
          if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
            context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {

            context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
            if ( !context ) {
              return results;

              // Precompiled matchers will still verify ancestry, so step up a level
            } else if ( compiled ) {
              context = context.parentNode;
            }

            selector = selector.slice( tokens.shift().value.length );
          }

          // Fetch a seed set for right-to-left matching
          i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
          while ( i-- ) {
            token = tokens[i];

            // Abort if we hit a combinator
            if ( Expr.relative[ (type = token.type) ] ) {
              break;
            }
            if ( (find = Expr.find[ type ]) ) {
              // Search, expanding context for leading sibling combinators
              if ( (seed = find(
                token.matches[0].replace( runescape, funescape ),
                rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
              )) ) {

                // If seed is empty or no tokens remain, we can return early
                tokens.splice( i, 1 );
                selector = seed.length && toSelector( tokens );
                if ( !selector ) {
                  push.apply( results, seed );
                  return results;
                }

                break;
              }
            }
          }
        }

        // Compile and execute a filtering function if one is not provided
        // Provide `match` to avoid retokenization if we modified the selector above
        ( compiled || compile( selector, match ) )(
          seed,
          context,
          !documentIsHTML,
          results,
          !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
        );
        return results;
      };

// One-time assignments

// Sort stability
      support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;

// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
      support.detectDuplicates = !!hasDuplicate;

// Initialize against the default document
      setDocument();

// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
// Detached nodes confoundingly follow *each other*
      support.sortDetached = assert(function( el ) {
        // Should return 1, but returns 4 (following)
        return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
      });

// Support: IE<8
// Prevent attribute/property "interpolation"
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
      if ( !assert(function( el ) {
        el.innerHTML = "<a href='#'></a>";
        return el.firstChild.getAttribute("href") === "#" ;
      }) ) {
        addHandle( "type|href|height|width", function( elem, name, isXML ) {
          if ( !isXML ) {
            return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
          }
        });
      }

// Support: IE<9
// Use defaultValue in place of getAttribute("value")
      if ( !support.attributes || !assert(function( el ) {
        el.innerHTML = "<input/>";
        el.firstChild.setAttribute( "value", "" );
        return el.firstChild.getAttribute( "value" ) === "";
      }) ) {
        addHandle( "value", function( elem, name, isXML ) {
          if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
            return elem.defaultValue;
          }
        });
      }

// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
      if ( !assert(function( el ) {
        return el.getAttribute("disabled") == null;
      }) ) {
        addHandle( booleans, function( elem, name, isXML ) {
          var val;
          if ( !isXML ) {
            return elem[ name ] === true ? name.toLowerCase() :
              (val = elem.getAttributeNode( name )) && val.specified ?
                val.value :
                null;
          }
        });
      }

      return Sizzle;

    })( window );



  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;

// Deprecated
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  jQuery.escapeSelector = Sizzle.escape;




  var dir = function( elem, dir, until ) {
    var matched = [],
      truncate = until !== undefined;

    while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
      if ( elem.nodeType === 1 ) {
        if ( truncate && jQuery( elem ).is( until ) ) {
          break;
        }
        matched.push( elem );
      }
    }
    return matched;
  };


  var siblings = function( n, elem ) {
    var matched = [];

    for ( ; n; n = n.nextSibling ) {
      if ( n.nodeType === 1 && n !== elem ) {
        matched.push( n );
      }
    }

    return matched;
  };


  var rneedsContext = jQuery.expr.match.needsContext;



  function nodeName( elem, name ) {

    return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();

  };
  var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );



// Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
    if ( isFunction( qualifier ) ) {
      return jQuery.grep( elements, function( elem, i ) {
        return !!qualifier.call( elem, i, elem ) !== not;
      } );
    }

    // Single element
    if ( qualifier.nodeType ) {
      return jQuery.grep( elements, function( elem ) {
        return ( elem === qualifier ) !== not;
      } );
    }

    // Arraylike of elements (jQuery, arguments, Array)
    if ( typeof qualifier !== "string" ) {
      return jQuery.grep( elements, function( elem ) {
        return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
      } );
    }

    // Filtered directly for both simple and complex selectors
    return jQuery.filter( qualifier, elements, not );
  }

  jQuery.filter = function( expr, elems, not ) {
    var elem = elems[ 0 ];

    if ( not ) {
      expr = ":not(" + expr + ")";
    }

    if ( elems.length === 1 && elem.nodeType === 1 ) {
      return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
    }

    return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
      return elem.nodeType === 1;
    } ) );
  };

  jQuery.fn.extend( {
    find: function( selector ) {
      var i, ret,
        len = this.length,
        self = this;

      if ( typeof selector !== "string" ) {
        return this.pushStack( jQuery( selector ).filter( function() {
          for ( i = 0; i < len; i++ ) {
            if ( jQuery.contains( self[ i ], this ) ) {
              return true;
            }
          }
        } ) );
      }

      ret = this.pushStack( [] );

      for ( i = 0; i < len; i++ ) {
        jQuery.find( selector, self[ i ], ret );
      }

      return len > 1 ? jQuery.uniqueSort( ret ) : ret;
    },
    filter: function( selector ) {
      return this.pushStack( winnow( this, selector || [], false ) );
    },
    not: function( selector ) {
      return this.pushStack( winnow( this, selector || [], true ) );
    },
    is: function( selector ) {
      return !!winnow(
        this,

        // If this is a positional/relative selector, check membership in the returned set
        // so $("p:first").is("p:last") won't return true for a doc with two "p".
        typeof selector === "string" && rneedsContext.test( selector ) ?
          jQuery( selector ) :
          selector || [],
        false
      ).length;
    }
  } );


// Initialize a jQuery object


// A central reference to the root jQuery(document)
  var rootjQuery,

    // A simple way to check for HTML strings
    // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
    // Strict HTML recognition (#11290: must start with <)
    // Shortcut simple #id case for speed
    rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,

    init = jQuery.fn.init = function( selector, context, root ) {
      var match, elem;

      // HANDLE: $(""), $(null), $(undefined), $(false)
      if ( !selector ) {
        return this;
      }

      // Method init() accepts an alternate rootjQuery
      // so migrate can support jQuery.sub (gh-2101)
      root = root || rootjQuery;

      // Handle HTML strings
      if ( typeof selector === "string" ) {
        if ( selector[ 0 ] === "<" &&
          selector[ selector.length - 1 ] === ">" &&
          selector.length >= 3 ) {

          // Assume that strings that start and end with <> are HTML and skip the regex check
          match = [ null, selector, null ];

        } else {
          match = rquickExpr.exec( selector );
        }

        // Match html or make sure no context is specified for #id
        if ( match && ( match[ 1 ] || !context ) ) {

          // HANDLE: $(html) -> $(array)
          if ( match[ 1 ] ) {
            context = context instanceof jQuery ? context[ 0 ] : context;

            // Option to run scripts is true for back-compat
            // Intentionally let the error be thrown if parseHTML is not present
            jQuery.merge( this, jQuery.parseHTML(
              match[ 1 ],
              context && context.nodeType ? context.ownerDocument || context : document,
              true
            ) );

            // HANDLE: $(html, props)
            if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
              for ( match in context ) {

                // Properties of context are called as methods if possible
                if ( isFunction( this[ match ] ) ) {
                  this[ match ]( context[ match ] );

                  // ...and otherwise set as attributes
                } else {
                  this.attr( match, context[ match ] );
                }
              }
            }

            return this;

            // HANDLE: $(#id)
          } else {
            elem = document.getElementById( match[ 2 ] );

            if ( elem ) {

              // Inject the element directly into the jQuery object
              this[ 0 ] = elem;
              this.length = 1;
            }
            return this;
          }

          // HANDLE: $(expr, $(...))
        } else if ( !context || context.jquery ) {
          return ( context || root ).find( selector );

          // HANDLE: $(expr, context)
          // (which is just equivalent to: $(context).find(expr)
        } else {
          return this.constructor( context ).find( selector );
        }

        // HANDLE: $(DOMElement)
      } else if ( selector.nodeType ) {
        this[ 0 ] = selector;
        this.length = 1;
        return this;

        // HANDLE: $(function)
        // Shortcut for document ready
      } else if ( isFunction( selector ) ) {
        return root.ready !== undefined ?
          root.ready( selector ) :

          // Execute immediately if ready is not present
          selector( jQuery );
      }

      return jQuery.makeArray( selector, this );
    };

// Give the init function the jQuery prototype for later instantiation
  init.prototype = jQuery.fn;

// Initialize central reference
  rootjQuery = jQuery( document );


  var rparentsprev = /^(?:parents|prev(?:Until|All))/,

    // Methods guaranteed to produce a unique set when starting from a unique set
    guaranteedUnique = {
      children: true,
      contents: true,
      next: true,
      prev: true
    };

  jQuery.fn.extend( {
    has: function( target ) {
      var targets = jQuery( target, this ),
        l = targets.length;

      return this.filter( function() {
        var i = 0;
        for ( ; i < l; i++ ) {
          if ( jQuery.contains( this, targets[ i ] ) ) {
            return true;
          }
        }
      } );
    },

    closest: function( selectors, context ) {
      var cur,
        i = 0,
        l = this.length,
        matched = [],
        targets = typeof selectors !== "string" && jQuery( selectors );

      // Positional selectors never match, since there's no _selection_ context
      if ( !rneedsContext.test( selectors ) ) {
        for ( ; i < l; i++ ) {
          for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {

            // Always skip document fragments
            if ( cur.nodeType < 11 && ( targets ?
              targets.index( cur ) > -1 :

              // Don't pass non-elements to Sizzle
              cur.nodeType === 1 &&
              jQuery.find.matchesSelector( cur, selectors ) ) ) {

              matched.push( cur );
              break;
            }
          }
        }
      }

      return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
    },

    // Determine the position of an element within the set
    index: function( elem ) {

      // No argument, return index in parent
      if ( !elem ) {
        return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
      }

      // Index in selector
      if ( typeof elem === "string" ) {
        return indexOf.call( jQuery( elem ), this[ 0 ] );
      }

      // Locate the position of the desired element
      return indexOf.call( this,

        // If it receives a jQuery object, the first element is used
        elem.jquery ? elem[ 0 ] : elem
      );
    },

    add: function( selector, context ) {
      return this.pushStack(
        jQuery.uniqueSort(
          jQuery.merge( this.get(), jQuery( selector, context ) )
        )
      );
    },

    addBack: function( selector ) {
      return this.add( selector == null ?
        this.prevObject : this.prevObject.filter( selector )
      );
    }
  } );

  function sibling( cur, dir ) {
    while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
    return cur;
  }

  jQuery.each( {
    parent: function( elem ) {
      var parent = elem.parentNode;
      return parent && parent.nodeType !== 11 ? parent : null;
    },
    parents: function( elem ) {
      return dir( elem, "parentNode" );
    },
    parentsUntil: function( elem, i, until ) {
      return dir( elem, "parentNode", until );
    },
    next: function( elem ) {
      return sibling( elem, "nextSibling" );
    },
    prev: function( elem ) {
      return sibling( elem, "previousSibling" );
    },
    nextAll: function( elem ) {
      return dir( elem, "nextSibling" );
    },
    prevAll: function( elem ) {
      return dir( elem, "previousSibling" );
    },
    nextUntil: function( elem, i, until ) {
      return dir( elem, "nextSibling", until );
    },
    prevUntil: function( elem, i, until ) {
      return dir( elem, "previousSibling", until );
    },
    siblings: function( elem ) {
      return siblings( ( elem.parentNode || {} ).firstChild, elem );
    },
    children: function( elem ) {
      return siblings( elem.firstChild );
    },
    contents: function( elem ) {
      if ( typeof elem.contentDocument !== "undefined" ) {
        return elem.contentDocument;
      }

      // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
      // Treat the template element as a regular one in browsers that
      // don't support it.
      if ( nodeName( elem, "template" ) ) {
        elem = elem.content || elem;
      }

      return jQuery.merge( [], elem.childNodes );
    }
  }, function( name, fn ) {
    jQuery.fn[ name ] = function( until, selector ) {
      var matched = jQuery.map( this, fn, until );

      if ( name.slice( -5 ) !== "Until" ) {
        selector = until;
      }

      if ( selector && typeof selector === "string" ) {
        matched = jQuery.filter( selector, matched );
      }

      if ( this.length > 1 ) {

        // Remove duplicates
        if ( !guaranteedUnique[ name ] ) {
          jQuery.uniqueSort( matched );
        }

        // Reverse order for parents* and prev-derivatives
        if ( rparentsprev.test( name ) ) {
          matched.reverse();
        }
      }

      return this.pushStack( matched );
    };
  } );
  var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );



// Convert String-formatted options into Object-formatted ones
  function createOptions( options ) {
    var object = {};
    jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
      object[ flag ] = true;
    } );
    return object;
  }

  /*
 * Create a callback list using the following parameters:
 *
 *	options: an optional list of space-separated options that will change how
 *			the callback list behaves or a more traditional option object
 *
 * By default a callback list will act like an event callback list and can be
 * "fired" multiple times.
 *
 * Possible options:
 *
 *	once:			will ensure the callback list can only be fired once (like a Deferred)
 *
 *	memory:			will keep track of previous values and will call any callback added
 *					after the list has been fired right away with the latest "memorized"
 *					values (like a Deferred)
 *
 *	unique:			will ensure a callback can only be added once (no duplicate in the list)
 *
 *	stopOnFalse:	interrupt callings when a callback returns false
 *
 */
  jQuery.Callbacks = function( options ) {

    // Convert options from String-formatted to Object-formatted if needed
    // (we check in cache first)
    options = typeof options === "string" ?
      createOptions( options ) :
      jQuery.extend( {}, options );

    var // Flag to know if list is currently firing
      firing,

      // Last fire value for non-forgettable lists
      memory,

      // Flag to know if list was already fired
      fired,

      // Flag to prevent firing
      locked,

      // Actual callback list
      list = [],

      // Queue of execution data for repeatable lists
      queue = [],

      // Index of currently firing callback (modified by add/remove as needed)
      firingIndex = -1,

      // Fire callbacks
      fire = function() {

        // Enforce single-firing
        locked = locked || options.once;

        // Execute callbacks for all pending executions,
        // respecting firingIndex overrides and runtime changes
        fired = firing = true;
        for ( ; queue.length; firingIndex = -1 ) {
          memory = queue.shift();
          while ( ++firingIndex < list.length ) {

            // Run callback and check for early termination
            if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
              options.stopOnFalse ) {

              // Jump to end and forget the data so .add doesn't re-fire
              firingIndex = list.length;
              memory = false;
            }
          }
        }

        // Forget the data if we're done with it
        if ( !options.memory ) {
          memory = false;
        }

        firing = false;

        // Clean up if we're done firing for good
        if ( locked ) {

          // Keep an empty list if we have data for future add calls
          if ( memory ) {
            list = [];

            // Otherwise, this object is spent
          } else {
            list = "";
          }
        }
      },

      // Actual Callbacks object
      self = {

        // Add a callback or a collection of callbacks to the list
        add: function() {
          if ( list ) {

            // If we have memory from a past run, we should fire after adding
            if ( memory && !firing ) {
              firingIndex = list.length - 1;
              queue.push( memory );
            }

            ( function add( args ) {
              jQuery.each( args, function( _, arg ) {
                if ( isFunction( arg ) ) {
                  if ( !options.unique || !self.has( arg ) ) {
                    list.push( arg );
                  }
                } else if ( arg && arg.length && toType( arg ) !== "string" ) {

                  // Inspect recursively
                  add( arg );
                }
              } );
            } )( arguments );

            if ( memory && !firing ) {
              fire();
            }
          }
          return this;
        },

        // Remove a callback from the list
        remove: function() {
          jQuery.each( arguments, function( _, arg ) {
            var index;
            while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
              list.splice( index, 1 );

              // Handle firing indexes
              if ( index <= firingIndex ) {
                firingIndex--;
              }
            }
          } );
          return this;
        },

        // Check if a given callback is in the list.
        // If no argument is given, return whether or not list has callbacks attached.
        has: function( fn ) {
          return fn ?
            jQuery.inArray( fn, list ) > -1 :
            list.length > 0;
        },

        // Remove all callbacks from the list
        empty: function() {
          if ( list ) {
            list = [];
          }
          return this;
        },

        // Disable .fire and .add
        // Abort any current/pending executions
        // Clear all callbacks and values
        disable: function() {
          locked = queue = [];
          list = memory = "";
          return this;
        },
        disabled: function() {
          return !list;
        },

        // Disable .fire
        // Also disable .add unless we have memory (since it would have no effect)
        // Abort any pending executions
        lock: function() {
          locked = queue = [];
          if ( !memory && !firing ) {
            list = memory = "";
          }
          return this;
        },
        locked: function() {
          return !!locked;
        },

        // Call all callbacks with the given context and arguments
        fireWith: function( context, args ) {
          if ( !locked ) {
            args = args || [];
            args = [ context, args.slice ? args.slice() : args ];
            queue.push( args );
            if ( !firing ) {
              fire();
            }
          }
          return this;
        },

        // Call all the callbacks with the given arguments
        fire: function() {
          self.fireWith( this, arguments );
          return this;
        },

        // To know if the callbacks have already been called at least once
        fired: function() {
          return !!fired;
        }
      };

    return self;
  };


  function Identity( v ) {
    return v;
  }
  function Thrower( ex ) {
    throw ex;
  }

  function adoptValue( value, resolve, reject, noValue ) {
    var method;

    try {

      // Check for promise aspect first to privilege synchronous behavior
      if ( value && isFunction( ( method = value.promise ) ) ) {
        method.call( value ).done( resolve ).fail( reject );

        // Other thenables
      } else if ( value && isFunction( ( method = value.then ) ) ) {
        method.call( value, resolve, reject );

        // Other non-thenables
      } else {

        // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
        // * false: [ value ].slice( 0 ) => resolve( value )
        // * true: [ value ].slice( 1 ) => resolve()
        resolve.apply( undefined, [ value ].slice( noValue ) );
      }

      // For Promises/A+, convert exceptions into rejections
      // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
      // Deferred#then to conditionally suppress rejection.
    } catch ( value ) {

      // Support: Android 4.0 only
      // Strict mode functions invoked without .call/.apply get global-object context
      reject.apply( undefined, [ value ] );
    }
  }

  jQuery.extend( {

    Deferred: function( func ) {
      var tuples = [

          // action, add listener, callbacks,
          // ... .then handlers, argument index, [final state]
          [ "notify", "progress", jQuery.Callbacks( "memory" ),
            jQuery.Callbacks( "memory" ), 2 ],
          [ "resolve", "done", jQuery.Callbacks( "once memory" ),
            jQuery.Callbacks( "once memory" ), 0, "resolved" ],
          [ "reject", "fail", jQuery.Callbacks( "once memory" ),
            jQuery.Callbacks( "once memory" ), 1, "rejected" ]
        ],
        state = "pending",
        promise = {
          state: function() {
            return state;
          },
          always: function() {
            deferred.done( arguments ).fail( arguments );
            return this;
          },
          "catch": function( fn ) {
            return promise.then( null, fn );
          },

          // Keep pipe for back-compat
          pipe: function( /* fnDone, fnFail, fnProgress */ ) {
            var fns = arguments;

            return jQuery.Deferred( function( newDefer ) {
              jQuery.each( tuples, function( i, tuple ) {

                // Map tuples (progress, done, fail) to arguments (done, fail, progress)
                var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];

                // deferred.progress(function() { bind to newDefer or newDefer.notify })
                // deferred.done(function() { bind to newDefer or newDefer.resolve })
                // deferred.fail(function() { bind to newDefer or newDefer.reject })
                deferred[ tuple[ 1 ] ]( function() {
                  var returned = fn && fn.apply( this, arguments );
                  if ( returned && isFunction( returned.promise ) ) {
                    returned.promise()
                      .progress( newDefer.notify )
                      .done( newDefer.resolve )
                      .fail( newDefer.reject );
                  } else {
                    newDefer[ tuple[ 0 ] + "With" ](
                      this,
                      fn ? [ returned ] : arguments
                    );
                  }
                } );
              } );
              fns = null;
            } ).promise();
          },
          then: function( onFulfilled, onRejected, onProgress ) {
            var maxDepth = 0;
            function resolve( depth, deferred, handler, special ) {
              return function() {
                var that = this,
                  args = arguments,
                  mightThrow = function() {
                    var returned, then;

                    // Support: Promises/A+ section 2.3.3.3.3
                    // https://promisesaplus.com/#point-59
                    // Ignore double-resolution attempts
                    if ( depth < maxDepth ) {
                      return;
                    }

                    returned = handler.apply( that, args );

                    // Support: Promises/A+ section 2.3.1
                    // https://promisesaplus.com/#point-48
                    if ( returned === deferred.promise() ) {
                      throw new TypeError( "Thenable self-resolution" );
                    }

                    // Support: Promises/A+ sections 2.3.3.1, 3.5
                    // https://promisesaplus.com/#point-54
                    // https://promisesaplus.com/#point-75
                    // Retrieve `then` only once
                    then = returned &&

                      // Support: Promises/A+ section 2.3.4
                      // https://promisesaplus.com/#point-64
                      // Only check objects and functions for thenability
                      ( typeof returned === "object" ||
                        typeof returned === "function" ) &&
                      returned.then;

                    // Handle a returned thenable
                    if ( isFunction( then ) ) {

                      // Special processors (notify) just wait for resolution
                      if ( special ) {
                        then.call(
                          returned,
                          resolve( maxDepth, deferred, Identity, special ),
                          resolve( maxDepth, deferred, Thrower, special )
                        );

                        // Normal processors (resolve) also hook into progress
                      } else {

                        // ...and disregard older resolution values
                        maxDepth++;

                        then.call(
                          returned,
                          resolve( maxDepth, deferred, Identity, special ),
                          resolve( maxDepth, deferred, Thrower, special ),
                          resolve( maxDepth, deferred, Identity,
                            deferred.notifyWith )
                        );
                      }

                      // Handle all other returned values
                    } else {

                      // Only substitute handlers pass on context
                      // and multiple values (non-spec behavior)
                      if ( handler !== Identity ) {
                        that = undefined;
                        args = [ returned ];
                      }

                      // Process the value(s)
                      // Default process is resolve
                      ( special || deferred.resolveWith )( that, args );
                    }
                  },

                  // Only normal processors (resolve) catch and reject exceptions
                  process = special ?
                    mightThrow :
                    function() {
                      try {
                        mightThrow();
                      } catch ( e ) {

                        if ( jQuery.Deferred.exceptionHook ) {
                          jQuery.Deferred.exceptionHook( e,
                            process.stackTrace );
                        }

                        // Support: Promises/A+ section 2.3.3.3.4.1
                        // https://promisesaplus.com/#point-61
                        // Ignore post-resolution exceptions
                        if ( depth + 1 >= maxDepth ) {

                          // Only substitute handlers pass on context
                          // and multiple values (non-spec behavior)
                          if ( handler !== Thrower ) {
                            that = undefined;
                            args = [ e ];
                          }

                          deferred.rejectWith( that, args );
                        }
                      }
                    };

                // Support: Promises/A+ section 2.3.3.3.1
                // https://promisesaplus.com/#point-57
                // Re-resolve promises immediately to dodge false rejection from
                // subsequent errors
                if ( depth ) {
                  process();
                } else {

                  // Call an optional hook to record the stack, in case of exception
                  // since it's otherwise lost when execution goes async
                  if ( jQuery.Deferred.getStackHook ) {
                    process.stackTrace = jQuery.Deferred.getStackHook();
                  }
                  window.setTimeout( process );
                }
              };
            }

            return jQuery.Deferred( function( newDefer ) {

              // progress_handlers.add( ... )
              tuples[ 0 ][ 3 ].add(
                resolve(
                  0,
                  newDefer,
                  isFunction( onProgress ) ?
                    onProgress :
                    Identity,
                  newDefer.notifyWith
                )
              );

              // fulfilled_handlers.add( ... )
              tuples[ 1 ][ 3 ].add(
                resolve(
                  0,
                  newDefer,
                  isFunction( onFulfilled ) ?
                    onFulfilled :
                    Identity
                )
              );

              // rejected_handlers.add( ... )
              tuples[ 2 ][ 3 ].add(
                resolve(
                  0,
                  newDefer,
                  isFunction( onRejected ) ?
                    onRejected :
                    Thrower
                )
              );
            } ).promise();
          },

          // Get a promise for this deferred
          // If obj is provided, the promise aspect is added to the object
          promise: function( obj ) {
            return obj != null ? jQuery.extend( obj, promise ) : promise;
          }
        },
        deferred = {};

      // Add list-specific methods
      jQuery.each( tuples, function( i, tuple ) {
        var list = tuple[ 2 ],
          stateString = tuple[ 5 ];

        // promise.progress = list.add
        // promise.done = list.add
        // promise.fail = list.add
        promise[ tuple[ 1 ] ] = list.add;

        // Handle state
        if ( stateString ) {
          list.add(
            function() {

              // state = "resolved" (i.e., fulfilled)
              // state = "rejected"
              state = stateString;
            },

            // rejected_callbacks.disable
            // fulfilled_callbacks.disable
            tuples[ 3 - i ][ 2 ].disable,

            // rejected_handlers.disable
            // fulfilled_handlers.disable
            tuples[ 3 - i ][ 3 ].disable,

            // progress_callbacks.lock
            tuples[ 0 ][ 2 ].lock,

            // progress_handlers.lock
            tuples[ 0 ][ 3 ].lock
          );
        }

        // progress_handlers.fire
        // fulfilled_handlers.fire
        // rejected_handlers.fire
        list.add( tuple[ 3 ].fire );

        // deferred.notify = function() { deferred.notifyWith(...) }
        // deferred.resolve = function() { deferred.resolveWith(...) }
        // deferred.reject = function() { deferred.rejectWith(...) }
        deferred[ tuple[ 0 ] ] = function() {
          deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
          return this;
        };

        // deferred.notifyWith = list.fireWith
        // deferred.resolveWith = list.fireWith
        // deferred.rejectWith = list.fireWith
        deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
      } );

      // Make the deferred a promise
      promise.promise( deferred );

      // Call given func if any
      if ( func ) {
        func.call( deferred, deferred );
      }

      // All done!
      return deferred;
    },

    // Deferred helper
    when: function( singleValue ) {
      var

        // count of uncompleted subordinates
        remaining = arguments.length,

        // count of unprocessed arguments
        i = remaining,

        // subordinate fulfillment data
        resolveContexts = Array( i ),
        resolveValues = slice.call( arguments ),

        // the master Deferred
        master = jQuery.Deferred(),

        // subordinate callback factory
        updateFunc = function( i ) {
          return function( value ) {
            resolveContexts[ i ] = this;
            resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
            if ( !( --remaining ) ) {
              master.resolveWith( resolveContexts, resolveValues );
            }
          };
        };

      // Single- and empty arguments are adopted like Promise.resolve
      if ( remaining <= 1 ) {
        adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
          !remaining );

        // Use .then() to unwrap secondary thenables (cf. gh-3000)
        if ( master.state() === "pending" ||
          isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {

          return master.then();
        }
      }

      // Multiple arguments are aggregated like Promise.all array elements
      while ( i-- ) {
        adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
      }

      return master.promise();
    }
  } );


// These usually indicate a programmer mistake during development,
// warn about them ASAP rather than swallowing them by default.
  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;

  jQuery.Deferred.exceptionHook = function( error, stack ) {

    // Support: IE 8 - 9 only
    // Console exists when dev tools are open, which can happen at any time
    if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
      window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
    }
  };




  jQuery.readyException = function( error ) {
    window.setTimeout( function() {
      throw error;
    } );
  };




// The deferred used on DOM ready
  var readyList = jQuery.Deferred();

  jQuery.fn.ready = function( fn ) {

    readyList
      .then( fn )

      // Wrap jQuery.readyException in a function so that the lookup
      // happens at the time of error handling instead of callback
      // registration.
      .catch( function( error ) {
        jQuery.readyException( error );
      } );

    return this;
  };

  jQuery.extend( {

    // Is the DOM ready to be used? Set to true once it occurs.
    isReady: false,

    // A counter to track how many items to wait for before
    // the ready event fires. See #6781
    readyWait: 1,

    // Handle when the DOM is ready
    ready: function( wait ) {

      // Abort if there are pending holds or we're already ready
      if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
        return;
      }

      // Remember that the DOM is ready
      jQuery.isReady = true;

      // If a normal DOM Ready event fired, decrement, and wait if need be
      if ( wait !== true && --jQuery.readyWait > 0 ) {
        return;
      }

      // If there are functions bound, to execute
      readyList.resolveWith( document, [ jQuery ] );
    }
  } );

  jQuery.ready.then = readyList.then;

// The ready event handler and self cleanup method
  function completed() {
    document.removeEventListener( "DOMContentLoaded", completed );
    window.removeEventListener( "load", completed );
    jQuery.ready();
  }

// Catch cases where $(document).ready() is called
// after the browser event has already occurred.
// Support: IE <=9 - 10 only
// Older IE sometimes signals "interactive" too soon
  if ( document.readyState === "complete" ||
    ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {

    // Handle it asynchronously to allow scripts the opportunity to delay ready
    window.setTimeout( jQuery.ready );

  } else {

    // Use the handy event callback
    document.addEventListener( "DOMContentLoaded", completed );

    // A fallback to window.onload, that will always work
    window.addEventListener( "load", completed );
  }




// Multifunctional method to get and set values of a collection
// The value/s can optionally be executed if it's a function
  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
    var i = 0,
      len = elems.length,
      bulk = key == null;

    // Sets many values
    if ( toType( key ) === "object" ) {
      chainable = true;
      for ( i in key ) {
        access( elems, fn, i, key[ i ], true, emptyGet, raw );
      }

      // Sets one value
    } else if ( value !== undefined ) {
      chainable = true;

      if ( !isFunction( value ) ) {
        raw = true;
      }

      if ( bulk ) {

        // Bulk operations run against the entire set
        if ( raw ) {
          fn.call( elems, value );
          fn = null;

          // ...except when executing function values
        } else {
          bulk = fn;
          fn = function( elem, key, value ) {
            return bulk.call( jQuery( elem ), value );
          };
        }
      }

      if ( fn ) {
        for ( ; i < len; i++ ) {
          fn(
            elems[ i ], key, raw ?
              value :
              value.call( elems[ i ], i, fn( elems[ i ], key ) )
          );
        }
      }
    }

    if ( chainable ) {
      return elems;
    }

    // Gets
    if ( bulk ) {
      return fn.call( elems );
    }

    return len ? fn( elems[ 0 ], key ) : emptyGet;
  };


// Matches dashed string for camelizing
  var rmsPrefix = /^-ms-/,
    rdashAlpha = /-([a-z])/g;

// Used by camelCase as callback to replace()
  function fcamelCase( all, letter ) {
    return letter.toUpperCase();
  }

// Convert dashed to camelCase; used by the css and data modules
// Support: IE <=9 - 11, Edge 12 - 15
// Microsoft forgot to hump their vendor prefix (#9572)
  function camelCase( string ) {
    return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
  }
  var acceptData = function( owner ) {

    // Accepts only:
    //  - Node
    //    - Node.ELEMENT_NODE
    //    - Node.DOCUMENT_NODE
    //  - Object
    //    - Any
    return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };




  function Data() {
    this.expando = jQuery.expando + Data.uid++;
  }

  Data.uid = 1;

  Data.prototype = {

    cache: function( owner ) {

      // Check if the owner object already has a cache
      var value = owner[ this.expando ];

      // If not, create one
      if ( !value ) {
        value = {};

        // We can accept data for non-element nodes in modern browsers,
        // but we should not, see #8335.
        // Always return an empty object.
        if ( acceptData( owner ) ) {

          // If it is a node unlikely to be stringify-ed or looped over
          // use plain assignment
          if ( owner.nodeType ) {
            owner[ this.expando ] = value;

            // Otherwise secure it in a non-enumerable property
            // configurable must be true to allow the property to be
            // deleted when data is removed
          } else {
            Object.defineProperty( owner, this.expando, {
              value: value,
              configurable: true
            } );
          }
        }
      }

      return value;
    },
    set: function( owner, data, value ) {
      var prop,
        cache = this.cache( owner );

      // Handle: [ owner, key, value ] args
      // Always use camelCase key (gh-2257)
      if ( typeof data === "string" ) {
        cache[ camelCase( data ) ] = value;

        // Handle: [ owner, { properties } ] args
      } else {

        // Copy the properties one-by-one to the cache object
        for ( prop in data ) {
          cache[ camelCase( prop ) ] = data[ prop ];
        }
      }
      return cache;
    },
    get: function( owner, key ) {
      return key === undefined ?
        this.cache( owner ) :

        // Always use camelCase key (gh-2257)
        owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
    },
    access: function( owner, key, value ) {

      // In cases where either:
      //
      //   1. No key was specified
      //   2. A string key was specified, but no value provided
      //
      // Take the "read" path and allow the get method to determine
      // which value to return, respectively either:
      //
      //   1. The entire cache object
      //   2. The data stored at the key
      //
      if ( key === undefined ||
        ( ( key && typeof key === "string" ) && value === undefined ) ) {

        return this.get( owner, key );
      }

      // When the key is not a string, or both a key and value
      // are specified, set or extend (existing objects) with either:
      //
      //   1. An object of properties
      //   2. A key and value
      //
      this.set( owner, key, value );

      // Since the "set" path can have two possible entry points
      // return the expected data based on which path was taken[*]
      return value !== undefined ? value : key;
    },
    remove: function( owner, key ) {
      var i,
        cache = owner[ this.expando ];

      if ( cache === undefined ) {
        return;
      }

      if ( key !== undefined ) {

        // Support array or space separated string of keys
        if ( Array.isArray( key ) ) {

          // If key is an array of keys...
          // We always set camelCase keys, so remove that.
          key = key.map( camelCase );
        } else {
          key = camelCase( key );

          // If a key with the spaces exists, use it.
          // Otherwise, create an array by matching non-whitespace
          key = key in cache ?
            [ key ] :
            ( key.match( rnothtmlwhite ) || [] );
        }

        i = key.length;

        while ( i-- ) {
          delete cache[ key[ i ] ];
        }
      }

      // Remove the expando if there's no more data
      if ( key === undefined || jQuery.isEmptyObject( cache ) ) {

        // Support: Chrome <=35 - 45
        // Webkit & Blink performance suffers when deleting properties
        // from DOM nodes, so set to undefined instead
        // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
        if ( owner.nodeType ) {
          owner[ this.expando ] = undefined;
        } else {
          delete owner[ this.expando ];
        }
      }
    },
    hasData: function( owner ) {
      var cache = owner[ this.expando ];
      return cache !== undefined && !jQuery.isEmptyObject( cache );
    }
  };
  var dataPriv = new Data();

  var dataUser = new Data();



//	Implementation Summary
//
//	1. Enforce API surface and semantic compatibility with 1.9.x branch
//	2. Improve the module's maintainability by reducing the storage
//		paths to a single mechanism.
//	3. Use the same single mechanism to support "private" and "user" data.
//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
//	5. Avoid exposing implementation details on user objects (eg. expando properties)
//	6. Provide a clear path for implementation upgrade to WeakMap in 2014

  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
    rmultiDash = /[A-Z]/g;

  function getData( data ) {
    if ( data === "true" ) {
      return true;
    }

    if ( data === "false" ) {
      return false;
    }

    if ( data === "null" ) {
      return null;
    }

    // Only convert to a number if it doesn't change the string
    if ( data === +data + "" ) {
      return +data;
    }

    if ( rbrace.test( data ) ) {
      return JSON.parse( data );
    }

    return data;
  }

  function dataAttr( elem, key, data ) {
    var name;

    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if ( data === undefined && elem.nodeType === 1 ) {
      name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
      data = elem.getAttribute( name );

      if ( typeof data === "string" ) {
        try {
          data = getData( data );
        } catch ( e ) {}

        // Make sure we set the data so it isn't changed later
        dataUser.set( elem, key, data );
      } else {
        data = undefined;
      }
    }
    return data;
  }

  jQuery.extend( {
    hasData: function( elem ) {
      return dataUser.hasData( elem ) || dataPriv.hasData( elem );
    },

    data: function( elem, name, data ) {
      return dataUser.access( elem, name, data );
    },

    removeData: function( elem, name ) {
      dataUser.remove( elem, name );
    },

    // TODO: Now that all calls to _data and _removeData have been replaced
    // with direct calls to dataPriv methods, these can be deprecated.
    _data: function( elem, name, data ) {
      return dataPriv.access( elem, name, data );
    },

    _removeData: function( elem, name ) {
      dataPriv.remove( elem, name );
    }
  } );

  jQuery.fn.extend( {
    data: function( key, value ) {
      var i, name, data,
        elem = this[ 0 ],
        attrs = elem && elem.attributes;

      // Gets all values
      if ( key === undefined ) {
        if ( this.length ) {
          data = dataUser.get( elem );

          if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
            i = attrs.length;
            while ( i-- ) {

              // Support: IE 11 only
              // The attrs elements can be null (#14894)
              if ( attrs[ i ] ) {
                name = attrs[ i ].name;
                if ( name.indexOf( "data-" ) === 0 ) {
                  name = camelCase( name.slice( 5 ) );
                  dataAttr( elem, name, data[ name ] );
                }
              }
            }
            dataPriv.set( elem, "hasDataAttrs", true );
          }
        }

        return data;
      }

      // Sets multiple values
      if ( typeof key === "object" ) {
        return this.each( function() {
          dataUser.set( this, key );
        } );
      }

      return access( this, function( value ) {
        var data;

        // The calling jQuery object (element matches) is not empty
        // (and therefore has an element appears at this[ 0 ]) and the
        // `value` parameter was not undefined. An empty jQuery object
        // will result in `undefined` for elem = this[ 0 ] which will
        // throw an exception if an attempt to read a data cache is made.
        if ( elem && value === undefined ) {

          // Attempt to get data from the cache
          // The key will always be camelCased in Data
          data = dataUser.get( elem, key );
          if ( data !== undefined ) {
            return data;
          }

          // Attempt to "discover" the data in
          // HTML5 custom data-* attrs
          data = dataAttr( elem, key );
          if ( data !== undefined ) {
            return data;
          }

          // We tried really hard, but the data doesn't exist.
          return;
        }

        // Set the data...
        this.each( function() {

          // We always store the camelCased key
          dataUser.set( this, key, value );
        } );
      }, null, value, arguments.length > 1, null, true );
    },

    removeData: function( key ) {
      return this.each( function() {
        dataUser.remove( this, key );
      } );
    }
  } );


  jQuery.extend( {
    queue: function( elem, type, data ) {
      var queue;

      if ( elem ) {
        type = ( type || "fx" ) + "queue";
        queue = dataPriv.get( elem, type );

        // Speed up dequeue by getting out quickly if this is just a lookup
        if ( data ) {
          if ( !queue || Array.isArray( data ) ) {
            queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
          } else {
            queue.push( data );
          }
        }
        return queue || [];
      }
    },

    dequeue: function( elem, type ) {
      type = type || "fx";

      var queue = jQuery.queue( elem, type ),
        startLength = queue.length,
        fn = queue.shift(),
        hooks = jQuery._queueHooks( elem, type ),
        next = function() {
          jQuery.dequeue( elem, type );
        };

      // If the fx queue is dequeued, always remove the progress sentinel
      if ( fn === "inprogress" ) {
        fn = queue.shift();
        startLength--;
      }

      if ( fn ) {

        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if ( type === "fx" ) {
          queue.unshift( "inprogress" );
        }

        // Clear up the last queue stop function
        delete hooks.stop;
        fn.call( elem, next, hooks );
      }

      if ( !startLength && hooks ) {
        hooks.empty.fire();
      }
    },

    // Not public - generate a queueHooks object, or return the current one
    _queueHooks: function( elem, type ) {
      var key = type + "queueHooks";
      return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
        empty: jQuery.Callbacks( "once memory" ).add( function() {
          dataPriv.remove( elem, [ type + "queue", key ] );
        } )
      } );
    }
  } );

  jQuery.fn.extend( {
    queue: function( type, data ) {
      var setter = 2;

      if ( typeof type !== "string" ) {
        data = type;
        type = "fx";
        setter--;
      }

      if ( arguments.length < setter ) {
        return jQuery.queue( this[ 0 ], type );
      }

      return data === undefined ?
        this :
        this.each( function() {
          var queue = jQuery.queue( this, type, data );

          // Ensure a hooks for this queue
          jQuery._queueHooks( this, type );

          if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
            jQuery.dequeue( this, type );
          }
        } );
    },
    dequeue: function( type ) {
      return this.each( function() {
        jQuery.dequeue( this, type );
      } );
    },
    clearQueue: function( type ) {
      return this.queue( type || "fx", [] );
    },

    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function( type, obj ) {
      var tmp,
        count = 1,
        defer = jQuery.Deferred(),
        elements = this,
        i = this.length,
        resolve = function() {
          if ( !( --count ) ) {
            defer.resolveWith( elements, [ elements ] );
          }
        };

      if ( typeof type !== "string" ) {
        obj = type;
        type = undefined;
      }
      type = type || "fx";

      while ( i-- ) {
        tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
        if ( tmp && tmp.empty ) {
          count++;
          tmp.empty.add( resolve );
        }
      }
      resolve();
      return defer.promise( obj );
    }
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;

  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );


  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];

  var documentElement = document.documentElement;



  var isAttached = function( elem ) {
      return jQuery.contains( elem.ownerDocument, elem );
    },
    composed = { composed: true };

  // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
  // Check attachment across shadow DOM boundaries when possible (gh-3504)
  // Support: iOS 10.0-10.2 only
  // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
  // leading to errors. We need to check for `getRootNode`.
  if ( documentElement.getRootNode ) {
    isAttached = function( elem ) {
      return jQuery.contains( elem.ownerDocument, elem ) ||
        elem.getRootNode( composed ) === elem.ownerDocument;
    };
  }
  var isHiddenWithinTree = function( elem, el ) {

    // isHiddenWithinTree might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;

    // Inline style trumps all
    return elem.style.display === "none" ||
      elem.style.display === "" &&

      // Otherwise, check computed style
      // Support: Firefox <=43 - 45
      // Disconnected elements can have computed display: none, so first confirm that elem is
      // in the document.
      isAttached( elem ) &&

      jQuery.css( elem, "display" ) === "none";
  };

  var swap = function( elem, options, callback, args ) {
    var ret, name,
      old = {};

    // Remember the old values, and insert the new ones
    for ( name in options ) {
      old[ name ] = elem.style[ name ];
      elem.style[ name ] = options[ name ];
    }

    ret = callback.apply( elem, args || [] );

    // Revert the old values
    for ( name in options ) {
      elem.style[ name ] = old[ name ];
    }

    return ret;
  };




  function adjustCSS( elem, prop, valueParts, tween ) {
    var adjusted, scale,
      maxIterations = 20,
      currentValue = tween ?
        function() {
          return tween.cur();
        } :
        function() {
          return jQuery.css( elem, prop, "" );
        },
      initial = currentValue(),
      unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),

      // Starting value computation is required for potential unit mismatches
      initialInUnit = elem.nodeType &&
        ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
        rcssNum.exec( jQuery.css( elem, prop ) );

    if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {

      // Support: Firefox <=54
      // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
      initial = initial / 2;

      // Trust units reported by jQuery.css
      unit = unit || initialInUnit[ 3 ];

      // Iteratively approximate from a nonzero starting point
      initialInUnit = +initial || 1;

      while ( maxIterations-- ) {

        // Evaluate and update our best guess (doubling guesses that zero out).
        // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
        jQuery.style( elem, prop, initialInUnit + unit );
        if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
          maxIterations = 0;
        }
        initialInUnit = initialInUnit / scale;

      }

      initialInUnit = initialInUnit * 2;
      jQuery.style( elem, prop, initialInUnit + unit );

      // Make sure we update the tween properties later on
      valueParts = valueParts || [];
    }

    if ( valueParts ) {
      initialInUnit = +initialInUnit || +initial || 0;

      // Apply relative offset (+=/-=) if specified
      adjusted = valueParts[ 1 ] ?
        initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
        +valueParts[ 2 ];
      if ( tween ) {
        tween.unit = unit;
        tween.start = initialInUnit;
        tween.end = adjusted;
      }
    }
    return adjusted;
  }


  var defaultDisplayMap = {};

  function getDefaultDisplay( elem ) {
    var temp,
      doc = elem.ownerDocument,
      nodeName = elem.nodeName,
      display = defaultDisplayMap[ nodeName ];

    if ( display ) {
      return display;
    }

    temp = doc.body.appendChild( doc.createElement( nodeName ) );
    display = jQuery.css( temp, "display" );

    temp.parentNode.removeChild( temp );

    if ( display === "none" ) {
      display = "block";
    }
    defaultDisplayMap[ nodeName ] = display;

    return display;
  }

  function showHide( elements, show ) {
    var display, elem,
      values = [],
      index = 0,
      length = elements.length;

    // Determine new display value for elements that need to change
    for ( ; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }

      display = elem.style.display;
      if ( show ) {

        // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
        // check is required in this first loop unless we have a nonempty display value (either
        // inline or about-to-be-restored)
        if ( display === "none" ) {
          values[ index ] = dataPriv.get( elem, "display" ) || null;
          if ( !values[ index ] ) {
            elem.style.display = "";
          }
        }
        if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
          values[ index ] = getDefaultDisplay( elem );
        }
      } else {
        if ( display !== "none" ) {
          values[ index ] = "none";

          // Remember what we're overwriting
          dataPriv.set( elem, "display", display );
        }
      }
    }

    // Set the display of the elements in a second loop to avoid constant reflow
    for ( index = 0; index < length; index++ ) {
      if ( values[ index ] != null ) {
        elements[ index ].style.display = values[ index ];
      }
    }

    return elements;
  }

  jQuery.fn.extend( {
    show: function() {
      return showHide( this, true );
    },
    hide: function() {
      return showHide( this );
    },
    toggle: function( state ) {
      if ( typeof state === "boolean" ) {
        return state ? this.show() : this.hide();
      }

      return this.each( function() {
        if ( isHiddenWithinTree( this ) ) {
          jQuery( this ).show();
        } else {
          jQuery( this ).hide();
        }
      } );
    }
  } );
  var rcheckableType = ( /^(?:checkbox|radio)$/i );

  var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );

  var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );



// We have to close these tags to support XHTML (#13200)
  var wrapMap = {

    // Support: IE <=9 only
    option: [ 1, "<select multiple='multiple'>", "</select>" ],

    // XHTML parsers do not magically insert elements in the
    // same way that tag soup parsers do. So we cannot shorten
    // this by omitting <tbody> or other required elements.
    thead: [ 1, "<table>", "</table>" ],
    col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],

    _default: [ 0, "", "" ]
  };

// Support: IE <=9 only
  wrapMap.optgroup = wrapMap.option;

  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;


  function getAll( context, tag ) {

    // Support: IE <=9 - 11 only
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
    var ret;

    if ( typeof context.getElementsByTagName !== "undefined" ) {
      ret = context.getElementsByTagName( tag || "*" );

    } else if ( typeof context.querySelectorAll !== "undefined" ) {
      ret = context.querySelectorAll( tag || "*" );

    } else {
      ret = [];
    }

    if ( tag === undefined || tag && nodeName( context, tag ) ) {
      return jQuery.merge( [ context ], ret );
    }

    return ret;
  }


// Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
    var i = 0,
      l = elems.length;

    for ( ; i < l; i++ ) {
      dataPriv.set(
        elems[ i ],
        "globalEval",
        !refElements || dataPriv.get( refElements[ i ], "globalEval" )
      );
    }
  }


  var rhtml = /<|&#?\w+;/;

  function buildFragment( elems, context, scripts, selection, ignored ) {
    var elem, tmp, tag, wrap, attached, j,
      fragment = context.createDocumentFragment(),
      nodes = [],
      i = 0,
      l = elems.length;

    for ( ; i < l; i++ ) {
      elem = elems[ i ];

      if ( elem || elem === 0 ) {

        // Add nodes directly
        if ( toType( elem ) === "object" ) {

          // Support: Android <=4.0 only, PhantomJS 1 only
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );

          // Convert non-html into a text node
        } else if ( !rhtml.test( elem ) ) {
          nodes.push( context.createTextNode( elem ) );

          // Convert html into DOM nodes
        } else {
          tmp = tmp || fragment.appendChild( context.createElement( "div" ) );

          // Deserialize a standard representation
          tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
          wrap = wrapMap[ tag ] || wrapMap._default;
          tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];

          // Descend through wrappers to the right content
          j = wrap[ 0 ];
          while ( j-- ) {
            tmp = tmp.lastChild;
          }

          // Support: Android <=4.0 only, PhantomJS 1 only
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge( nodes, tmp.childNodes );

          // Remember the top-level container
          tmp = fragment.firstChild;

          // Ensure the created nodes are orphaned (#12392)
          tmp.textContent = "";
        }
      }
    }

    // Remove wrapper from fragment
    fragment.textContent = "";

    i = 0;
    while ( ( elem = nodes[ i++ ] ) ) {

      // Skip elements already in the context collection (trac-4087)
      if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
        if ( ignored ) {
          ignored.push( elem );
        }
        continue;
      }

      attached = isAttached( elem );

      // Append to fragment
      tmp = getAll( fragment.appendChild( elem ), "script" );

      // Preserve script evaluation history
      if ( attached ) {
        setGlobalEval( tmp );
      }

      // Capture executables
      if ( scripts ) {
        j = 0;
        while ( ( elem = tmp[ j++ ] ) ) {
          if ( rscriptType.test( elem.type || "" ) ) {
            scripts.push( elem );
          }
        }
      }
    }

    return fragment;
  }


  ( function() {
    var fragment = document.createDocumentFragment(),
      div = fragment.appendChild( document.createElement( "div" ) ),
      input = document.createElement( "input" );

    // Support: Android 4.0 - 4.3 only
    // Check state lost if the name is set (#11217)
    // Support: Windows Web Apps (WWA)
    // `name` and `type` must use .setAttribute for WWA (#14901)
    input.setAttribute( "type", "radio" );
    input.setAttribute( "checked", "checked" );
    input.setAttribute( "name", "t" );

    div.appendChild( input );

    // Support: Android <=4.1 only
    // Older WebKit doesn't clone checked state correctly in fragments
    support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;

    // Support: IE <=11 only
    // Make sure textarea (and checkbox) defaultValue is properly cloned
    div.innerHTML = "<textarea>x</textarea>";
    support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();


  var
    rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
    rtypenamespace = /^([^.]*)(?:\.(.+)|)/;

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

// Support: IE <=9 - 11+
// focus() and blur() are asynchronous, except when they are no-op.
// So expect focus to be synchronous when the element is already active,
// and blur to be synchronous when the element is not already active.
// (focus and blur are always synchronous in other supported browsers,
// this just defines when we can count on it).
  function expectSync( elem, type ) {
    return ( elem === safeActiveElement() ) === ( type === "focus" );
  }

// Support: IE <=9 only
// Accessing document.activeElement can throw unexpectedly
// https://bugs.jquery.com/ticket/13393
  function safeActiveElement() {
    try {
      return document.activeElement;
    } catch ( err ) { }
  }

  function on( elem, types, selector, data, fn, one ) {
    var origFn, type;

    // Types can be a map of types/handlers
    if ( typeof types === "object" ) {

      // ( types-Object, selector, data )
      if ( typeof selector !== "string" ) {

        // ( types-Object, data )
        data = data || selector;
        selector = undefined;
      }
      for ( type in types ) {
        on( elem, type, selector, data, types[ type ], one );
      }
      return elem;
    }

    if ( data == null && fn == null ) {

      // ( types, fn )
      fn = selector;
      data = selector = undefined;
    } else if ( fn == null ) {
      if ( typeof selector === "string" ) {

        // ( types, selector, fn )
        fn = data;
        data = undefined;
      } else {

        // ( types, data, fn )
        fn = data;
        data = selector;
        selector = undefined;
      }
    }
    if ( fn === false ) {
      fn = returnFalse;
    } else if ( !fn ) {
      return elem;
    }

    if ( one === 1 ) {
      origFn = fn;
      fn = function( event ) {

        // Can use an empty set, since event contains the info
        jQuery().off( event );
        return origFn.apply( this, arguments );
      };

      // Use same guid so caller can remove using origFn
      fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
    }
    return elem.each( function() {
      jQuery.event.add( this, types, fn, data, selector );
    } );
  }

  /*
 * Helper functions for managing events -- not part of the public interface.
 * Props to Dean Edwards' addEvent library for many of the ideas.
 */
  jQuery.event = {

    global: {},

    add: function( elem, types, handler, data, selector ) {

      var handleObjIn, eventHandle, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        elemData = dataPriv.get( elem );

      // Don't attach events to noData or text/comment nodes (but allow plain objects)
      if ( !elemData ) {
        return;
      }

      // Caller can pass in an object of custom data in lieu of the handler
      if ( handler.handler ) {
        handleObjIn = handler;
        handler = handleObjIn.handler;
        selector = handleObjIn.selector;
      }

      // Ensure that invalid selectors throw exceptions at attach time
      // Evaluate against documentElement in case elem is a non-element node (e.g., document)
      if ( selector ) {
        jQuery.find.matchesSelector( documentElement, selector );
      }

      // Make sure that the handler has a unique ID, used to find/remove it later
      if ( !handler.guid ) {
        handler.guid = jQuery.guid++;
      }

      // Init the element's event structure and main handler, if this is the first
      if ( !( events = elemData.events ) ) {
        events = elemData.events = {};
      }
      if ( !( eventHandle = elemData.handle ) ) {
        eventHandle = elemData.handle = function( e ) {

          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
            jQuery.event.dispatch.apply( elem, arguments ) : undefined;
        };
      }

      // Handle multiple events separated by a space
      types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[ t ] ) || [];
        type = origType = tmp[ 1 ];
        namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();

        // There *must* be a type, no attaching namespace-only handlers
        if ( !type ) {
          continue;
        }

        // If event changes its type, use the special event handlers for the changed type
        special = jQuery.event.special[ type ] || {};

        // If selector defined, determine special event api type, otherwise given type
        type = ( selector ? special.delegateType : special.bindType ) || type;

        // Update special based on newly reset type
        special = jQuery.event.special[ type ] || {};

        // handleObj is passed to all event handlers
        handleObj = jQuery.extend( {
          type: type,
          origType: origType,
          data: data,
          handler: handler,
          guid: handler.guid,
          selector: selector,
          needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
          namespace: namespaces.join( "." )
        }, handleObjIn );

        // Init the event handler queue if we're the first
        if ( !( handlers = events[ type ] ) ) {
          handlers = events[ type ] = [];
          handlers.delegateCount = 0;

          // Only use addEventListener if the special events handler returns false
          if ( !special.setup ||
            special.setup.call( elem, data, namespaces, eventHandle ) === false ) {

            if ( elem.addEventListener ) {
              elem.addEventListener( type, eventHandle );
            }
          }
        }

        if ( special.add ) {
          special.add.call( elem, handleObj );

          if ( !handleObj.handler.guid ) {
            handleObj.handler.guid = handler.guid;
          }
        }

        // Add to the element's handler list, delegates in front
        if ( selector ) {
          handlers.splice( handlers.delegateCount++, 0, handleObj );
        } else {
          handlers.push( handleObj );
        }

        // Keep track of which events have ever been used, for event optimization
        jQuery.event.global[ type ] = true;
      }

    },

    // Detach an event or set of events from an element
    remove: function( elem, types, handler, selector, mappedTypes ) {

      var j, origCount, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );

      if ( !elemData || !( events = elemData.events ) ) {
        return;
      }

      // Once for each type.namespace in types; type may be omitted
      types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[ t ] ) || [];
        type = origType = tmp[ 1 ];
        namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();

        // Unbind all events (on this namespace, if provided) for the element
        if ( !type ) {
          for ( type in events ) {
            jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
          }
          continue;
        }

        special = jQuery.event.special[ type ] || {};
        type = ( selector ? special.delegateType : special.bindType ) || type;
        handlers = events[ type ] || [];
        tmp = tmp[ 2 ] &&
          new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );

        // Remove matching events
        origCount = j = handlers.length;
        while ( j-- ) {
          handleObj = handlers[ j ];

          if ( ( mappedTypes || origType === handleObj.origType ) &&
            ( !handler || handler.guid === handleObj.guid ) &&
            ( !tmp || tmp.test( handleObj.namespace ) ) &&
            ( !selector || selector === handleObj.selector ||
              selector === "**" && handleObj.selector ) ) {
            handlers.splice( j, 1 );

            if ( handleObj.selector ) {
              handlers.delegateCount--;
            }
            if ( special.remove ) {
              special.remove.call( elem, handleObj );
            }
          }
        }

        // Remove generic event handler if we removed something and no more handlers exist
        // (avoids potential for endless recursion during removal of special event handlers)
        if ( origCount && !handlers.length ) {
          if ( !special.teardown ||
            special.teardown.call( elem, namespaces, elemData.handle ) === false ) {

            jQuery.removeEvent( elem, type, elemData.handle );
          }

          delete events[ type ];
        }
      }

      // Remove data and the expando if it's no longer used
      if ( jQuery.isEmptyObject( events ) ) {
        dataPriv.remove( elem, "handle events" );
      }
    },

    dispatch: function( nativeEvent ) {

      // Make a writable jQuery.Event from the native event object
      var event = jQuery.event.fix( nativeEvent );

      var i, j, ret, matched, handleObj, handlerQueue,
        args = new Array( arguments.length ),
        handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
        special = jQuery.event.special[ event.type ] || {};

      // Use the fix-ed jQuery.Event rather than the (read-only) native event
      args[ 0 ] = event;

      for ( i = 1; i < arguments.length; i++ ) {
        args[ i ] = arguments[ i ];
      }

      event.delegateTarget = this;

      // Call the preDispatch hook for the mapped type, and let it bail if desired
      if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
        return;
      }

      // Determine handlers
      handlerQueue = jQuery.event.handlers.call( this, event, handlers );

      // Run delegates first; they may want to stop propagation beneath us
      i = 0;
      while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
        event.currentTarget = matched.elem;

        j = 0;
        while ( ( handleObj = matched.handlers[ j++ ] ) &&
        !event.isImmediatePropagationStopped() ) {

          // If the event is namespaced, then each handler is only invoked if it is
          // specially universal or its namespaces are a superset of the event's.
          if ( !event.rnamespace || handleObj.namespace === false ||
            event.rnamespace.test( handleObj.namespace ) ) {

            event.handleObj = handleObj;
            event.data = handleObj.data;

            ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
              handleObj.handler ).apply( matched.elem, args );

            if ( ret !== undefined ) {
              if ( ( event.result = ret ) === false ) {
                event.preventDefault();
                event.stopPropagation();
              }
            }
          }
        }
      }

      // Call the postDispatch hook for the mapped type
      if ( special.postDispatch ) {
        special.postDispatch.call( this, event );
      }

      return event.result;
    },

    handlers: function( event, handlers ) {
      var i, handleObj, sel, matchedHandlers, matchedSelectors,
        handlerQueue = [],
        delegateCount = handlers.delegateCount,
        cur = event.target;

      // Find delegate handlers
      if ( delegateCount &&

        // Support: IE <=9
        // Black-hole SVG <use> instance trees (trac-13180)
        cur.nodeType &&

        // Support: Firefox <=42
        // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
        // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
        // Support: IE 11 only
        // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
        !( event.type === "click" && event.button >= 1 ) ) {

        for ( ; cur !== this; cur = cur.parentNode || this ) {

          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
            matchedHandlers = [];
            matchedSelectors = {};
            for ( i = 0; i < delegateCount; i++ ) {
              handleObj = handlers[ i ];

              // Don't conflict with Object.prototype properties (#13203)
              sel = handleObj.selector + " ";

              if ( matchedSelectors[ sel ] === undefined ) {
                matchedSelectors[ sel ] = handleObj.needsContext ?
                  jQuery( sel, this ).index( cur ) > -1 :
                  jQuery.find( sel, this, null, [ cur ] ).length;
              }
              if ( matchedSelectors[ sel ] ) {
                matchedHandlers.push( handleObj );
              }
            }
            if ( matchedHandlers.length ) {
              handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
            }
          }
        }
      }

      // Add the remaining (directly-bound) handlers
      cur = this;
      if ( delegateCount < handlers.length ) {
        handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
      }

      return handlerQueue;
    },

    addProp: function( name, hook ) {
      Object.defineProperty( jQuery.Event.prototype, name, {
        enumerable: true,
        configurable: true,

        get: isFunction( hook ) ?
          function() {
            if ( this.originalEvent ) {
              return hook( this.originalEvent );
            }
          } :
          function() {
            if ( this.originalEvent ) {
              return this.originalEvent[ name ];
            }
          },

        set: function( value ) {
          Object.defineProperty( this, name, {
            enumerable: true,
            configurable: true,
            writable: true,
            value: value
          } );
        }
      } );
    },

    fix: function( originalEvent ) {
      return originalEvent[ jQuery.expando ] ?
        originalEvent :
        new jQuery.Event( originalEvent );
    },

    special: {
      load: {

        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      click: {

        // Utilize native event to ensure correct state for checkable inputs
        setup: function( data ) {

          // For mutual compressibility with _default, replace `this` access with a local var.
          // `|| data` is dead code meant only to preserve the variable through minification.
          var el = this || data;

          // Claim the first handler
          if ( rcheckableType.test( el.type ) &&
            el.click && nodeName( el, "input" ) ) {

            // dataPriv.set( el, "click", ... )
            leverageNative( el, "click", returnTrue );
          }

          // Return false to allow normal processing in the caller
          return false;
        },
        trigger: function( data ) {

          // For mutual compressibility with _default, replace `this` access with a local var.
          // `|| data` is dead code meant only to preserve the variable through minification.
          var el = this || data;

          // Force setup before triggering a click
          if ( rcheckableType.test( el.type ) &&
            el.click && nodeName( el, "input" ) ) {

            leverageNative( el, "click" );
          }

          // Return non-false to allow normal event-path propagation
          return true;
        },

        // For cross-browser consistency, suppress native .click() on links
        // Also prevent it if we're currently inside a leveraged native-event stack
        _default: function( event ) {
          var target = event.target;
          return rcheckableType.test( target.type ) &&
            target.click && nodeName( target, "input" ) &&
            dataPriv.get( target, "click" ) ||
            nodeName( target, "a" );
        }
      },

      beforeunload: {
        postDispatch: function( event ) {

          // Support: Firefox 20+
          // Firefox doesn't alert if the returnValue field is not set.
          if ( event.result !== undefined && event.originalEvent ) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    }
  };

// Ensure the presence of an event listener that handles manually-triggered
// synthetic events by interrupting progress until reinvoked in response to
// *native* events that it fires directly, ensuring that state changes have
// already occurred before other listeners are invoked.
  function leverageNative( el, type, expectSync ) {

    // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
    if ( !expectSync ) {
      if ( dataPriv.get( el, type ) === undefined ) {
        jQuery.event.add( el, type, returnTrue );
      }
      return;
    }

    // Register the controller as a special universal handler for all event namespaces
    dataPriv.set( el, type, false );
    jQuery.event.add( el, type, {
      namespace: false,
      handler: function( event ) {
        var notAsync, result,
          saved = dataPriv.get( this, type );

        if ( ( event.isTrigger & 1 ) && this[ type ] ) {

          // Interrupt processing of the outer synthetic .trigger()ed event
          // Saved data should be false in such cases, but might be a leftover capture object
          // from an async native handler (gh-4350)
          if ( !saved.length ) {

            // Store arguments for use when handling the inner native event
            // There will always be at least one argument (an event object), so this array
            // will not be confused with a leftover capture object.
            saved = slice.call( arguments );
            dataPriv.set( this, type, saved );

            // Trigger the native event and capture its result
            // Support: IE <=9 - 11+
            // focus() and blur() are asynchronous
            notAsync = expectSync( this, type );
            this[ type ]();
            result = dataPriv.get( this, type );
            if ( saved !== result || notAsync ) {
              dataPriv.set( this, type, false );
            } else {
              result = {};
            }
            if ( saved !== result ) {

              // Cancel the outer synthetic event
              event.stopImmediatePropagation();
              event.preventDefault();
              return result.value;
            }

            // If this is an inner synthetic event for an event with a bubbling surrogate
            // (focus or blur), assume that the surrogate already propagated from triggering the
            // native event and prevent that from happening again here.
            // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
            // bubbling surrogate propagates *after* the non-bubbling base), but that seems
            // less bad than duplication.
          } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
            event.stopPropagation();
          }

          // If this is a native event triggered above, everything is now in order
          // Fire an inner synthetic event with the original arguments
        } else if ( saved.length ) {

          // ...and capture the result
          dataPriv.set( this, type, {
            value: jQuery.event.trigger(

              // Support: IE <=9 - 11+
              // Extend with the prototype to reset the above stopImmediatePropagation()
              jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
              saved.slice( 1 ),
              this
            )
          } );

          // Abort handling of the native event
          event.stopImmediatePropagation();
        }
      }
    } );
  }

  jQuery.removeEvent = function( elem, type, handle ) {

    // This "if" is needed for plain objects
    if ( elem.removeEventListener ) {
      elem.removeEventListener( type, handle );
    }
  };

  jQuery.Event = function( src, props ) {

    // Allow instantiation without the 'new' keyword
    if ( !( this instanceof jQuery.Event ) ) {
      return new jQuery.Event( src, props );
    }

    // Event object
    if ( src && src.type ) {
      this.originalEvent = src;
      this.type = src.type;

      // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.
      this.isDefaultPrevented = src.defaultPrevented ||
      src.defaultPrevented === undefined &&

      // Support: Android <=2.3 only
      src.returnValue === false ?
        returnTrue :
        returnFalse;

      // Create target properties
      // Support: Safari <=6 - 7 only
      // Target should not be a text node (#504, #13143)
      this.target = ( src.target && src.target.nodeType === 3 ) ?
        src.target.parentNode :
        src.target;

      this.currentTarget = src.currentTarget;
      this.relatedTarget = src.relatedTarget;

      // Event type
    } else {
      this.type = src;
    }

    // Put explicitly provided properties onto the event object
    if ( props ) {
      jQuery.extend( this, props );
    }

    // Create a timestamp if incoming event doesn't have one
    this.timeStamp = src && src.timeStamp || Date.now();

    // Mark it as fixed
    this[ jQuery.expando ] = true;
  };

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
    constructor: jQuery.Event,
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,
    isSimulated: false,

    preventDefault: function() {
      var e = this.originalEvent;

      this.isDefaultPrevented = returnTrue;

      if ( e && !this.isSimulated ) {
        e.preventDefault();
      }
    },
    stopPropagation: function() {
      var e = this.originalEvent;

      this.isPropagationStopped = returnTrue;

      if ( e && !this.isSimulated ) {
        e.stopPropagation();
      }
    },
    stopImmediatePropagation: function() {
      var e = this.originalEvent;

      this.isImmediatePropagationStopped = returnTrue;

      if ( e && !this.isSimulated ) {
        e.stopImmediatePropagation();
      }

      this.stopPropagation();
    }
  };

// Includes all common event props including KeyEvent and MouseEvent specific props
  jQuery.each( {
    altKey: true,
    bubbles: true,
    cancelable: true,
    changedTouches: true,
    ctrlKey: true,
    detail: true,
    eventPhase: true,
    metaKey: true,
    pageX: true,
    pageY: true,
    shiftKey: true,
    view: true,
    "char": true,
    code: true,
    charCode: true,
    key: true,
    keyCode: true,
    button: true,
    buttons: true,
    clientX: true,
    clientY: true,
    offsetX: true,
    offsetY: true,
    pointerId: true,
    pointerType: true,
    screenX: true,
    screenY: true,
    targetTouches: true,
    toElement: true,
    touches: true,

    which: function( event ) {
      var button = event.button;

      // Add which for key events
      if ( event.which == null && rkeyEvent.test( event.type ) ) {
        return event.charCode != null ? event.charCode : event.keyCode;
      }

      // Add which for click: 1 === left; 2 === middle; 3 === right
      if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
        if ( button & 1 ) {
          return 1;
        }

        if ( button & 2 ) {
          return 3;
        }

        if ( button & 4 ) {
          return 2;
        }

        return 0;
      }

      return event.which;
    }
  }, jQuery.event.addProp );

  jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
    jQuery.event.special[ type ] = {

      // Utilize native event if possible so blur/focus sequence is correct
      setup: function() {

        // Claim the first handler
        // dataPriv.set( this, "focus", ... )
        // dataPriv.set( this, "blur", ... )
        leverageNative( this, type, expectSync );

        // Return false to allow normal processing in the caller
        return false;
      },
      trigger: function() {

        // Force setup before trigger
        leverageNative( this, type );

        // Return non-false to allow normal event-path propagation
        return true;
      },

      delegateType: delegateType
    };
  } );

// Create mouseenter/leave events using mouseover/out and event-time checks
// so that event delegation works in jQuery.
// Do the same for pointerenter/pointerleave and pointerover/pointerout
//
// Support: Safari 7 only
// Safari sends mouseenter too often; see:
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
// for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
    mouseenter: "mouseover",
    mouseleave: "mouseout",
    pointerenter: "pointerover",
    pointerleave: "pointerout"
  }, function( orig, fix ) {
    jQuery.event.special[ orig ] = {
      delegateType: fix,
      bindType: fix,

      handle: function( event ) {
        var ret,
          target = this,
          related = event.relatedTarget,
          handleObj = event.handleObj;

        // For mouseenter/leave call the handler if related is outside the target.
        // NB: No relatedTarget if the mouse left/entered the browser window
        if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
          event.type = handleObj.origType;
          ret = handleObj.handler.apply( this, arguments );
          event.type = fix;
        }
        return ret;
      }
    };
  } );

  jQuery.fn.extend( {

    on: function( types, selector, data, fn ) {
      return on( this, types, selector, data, fn );
    },
    one: function( types, selector, data, fn ) {
      return on( this, types, selector, data, fn, 1 );
    },
    off: function( types, selector, fn ) {
      var handleObj, type;
      if ( types && types.preventDefault && types.handleObj ) {

        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery( types.delegateTarget ).off(
          handleObj.namespace ?
            handleObj.origType + "." + handleObj.namespace :
            handleObj.origType,
          handleObj.selector,
          handleObj.handler
        );
        return this;
      }
      if ( typeof types === "object" ) {

        // ( types-object [, selector] )
        for ( type in types ) {
          this.off( type, selector, types[ type ] );
        }
        return this;
      }
      if ( selector === false || typeof selector === "function" ) {

        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }
      if ( fn === false ) {
        fn = returnFalse;
      }
      return this.each( function() {
        jQuery.event.remove( this, types, fn, selector );
      } );
    }
  } );


  var

    /* eslint-disable max-len */

    // See https://github.com/eslint/eslint/issues/3229
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,

    /* eslint-enable */

    // Support: IE <=10 - 11, Edge 12 - 13 only
    // In IE/Edge using regex groups here causes severe slowdowns.
    // See https://connect.microsoft.com/IE/feedback/details/1736512/
    rnoInnerhtml = /<script|<style|<link/i,

    // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;

// Prefer a tbody over its parent table for containing new rows
  function manipulationTarget( elem, content ) {
    if ( nodeName( elem, "table" ) &&
      nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {

      return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
    }

    return elem;
  }

// Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
    elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
    return elem;
  }
  function restoreScript( elem ) {
    if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
      elem.type = elem.type.slice( 5 );
    } else {
      elem.removeAttribute( "type" );
    }

    return elem;
  }

  function cloneCopyEvent( src, dest ) {
    var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;

    if ( dest.nodeType !== 1 ) {
      return;
    }

    // 1. Copy private data: events, handlers, etc.
    if ( dataPriv.hasData( src ) ) {
      pdataOld = dataPriv.access( src );
      pdataCur = dataPriv.set( dest, pdataOld );
      events = pdataOld.events;

      if ( events ) {
        delete pdataCur.handle;
        pdataCur.events = {};

        for ( type in events ) {
          for ( i = 0, l = events[ type ].length; i < l; i++ ) {
            jQuery.event.add( dest, type, events[ type ][ i ] );
          }
        }
      }
    }

    // 2. Copy user data
    if ( dataUser.hasData( src ) ) {
      udataOld = dataUser.access( src );
      udataCur = jQuery.extend( {}, udataOld );

      dataUser.set( dest, udataCur );
    }
  }

// Fix IE bugs, see support tests
  function fixInput( src, dest ) {
    var nodeName = dest.nodeName.toLowerCase();

    // Fails to persist the checked state of a cloned checkbox or radio button.
    if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
      dest.checked = src.checked;

      // Fails to return the selected option to the default selected state when cloning options
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
      dest.defaultValue = src.defaultValue;
    }
  }

  function domManip( collection, args, callback, ignored ) {

    // Flatten any nested arrays
    args = concat.apply( [], args );

    var fragment, first, scripts, hasScripts, node, doc,
      i = 0,
      l = collection.length,
      iNoClone = l - 1,
      value = args[ 0 ],
      valueIsFunction = isFunction( value );

    // We can't cloneNode fragments that contain checked, in WebKit
    if ( valueIsFunction ||
      ( l > 1 && typeof value === "string" &&
        !support.checkClone && rchecked.test( value ) ) ) {
      return collection.each( function( index ) {
        var self = collection.eq( index );
        if ( valueIsFunction ) {
          args[ 0 ] = value.call( this, index, self.html() );
        }
        domManip( self, args, callback, ignored );
      } );
    }

    if ( l ) {
      fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
      first = fragment.firstChild;

      if ( fragment.childNodes.length === 1 ) {
        fragment = first;
      }

      // Require either new content or an interest in ignored elements to invoke the callback
      if ( first || ignored ) {
        scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
        hasScripts = scripts.length;

        // Use the original fragment for the last item
        // instead of the first because it can end up
        // being emptied incorrectly in certain situations (#8070).
        for ( ; i < l; i++ ) {
          node = fragment;

          if ( i !== iNoClone ) {
            node = jQuery.clone( node, true, true );

            // Keep references to cloned scripts for later restoration
            if ( hasScripts ) {

              // Support: Android <=4.0 only, PhantomJS 1 only
              // push.apply(_, arraylike) throws on ancient WebKit
              jQuery.merge( scripts, getAll( node, "script" ) );
            }
          }

          callback.call( collection[ i ], node, i );
        }

        if ( hasScripts ) {
          doc = scripts[ scripts.length - 1 ].ownerDocument;

          // Reenable scripts
          jQuery.map( scripts, restoreScript );

          // Evaluate executable scripts on first document insertion
          for ( i = 0; i < hasScripts; i++ ) {
            node = scripts[ i ];
            if ( rscriptType.test( node.type || "" ) &&
              !dataPriv.access( node, "globalEval" ) &&
              jQuery.contains( doc, node ) ) {

              if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {

                // Optional AJAX dependency, but won't run scripts if not present
                if ( jQuery._evalUrl && !node.noModule ) {
                  jQuery._evalUrl( node.src, {
                    nonce: node.nonce || node.getAttribute( "nonce" )
                  } );
                }
              } else {
                DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
              }
            }
          }
        }
      }
    }

    return collection;
  }

  function remove( elem, selector, keepData ) {
    var node,
      nodes = selector ? jQuery.filter( selector, elem ) : elem,
      i = 0;

    for ( ; ( node = nodes[ i ] ) != null; i++ ) {
      if ( !keepData && node.nodeType === 1 ) {
        jQuery.cleanData( getAll( node ) );
      }

      if ( node.parentNode ) {
        if ( keepData && isAttached( node ) ) {
          setGlobalEval( getAll( node, "script" ) );
        }
        node.parentNode.removeChild( node );
      }
    }

    return elem;
  }

  jQuery.extend( {
    htmlPrefilter: function( html ) {
      return html.replace( rxhtmlTag, "<$1></$2>" );
    },

    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var i, l, srcElements, destElements,
        clone = elem.cloneNode( true ),
        inPage = isAttached( elem );

      // Fix IE cloning issues
      if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
        !jQuery.isXMLDoc( elem ) ) {

        // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
        destElements = getAll( clone );
        srcElements = getAll( elem );

        for ( i = 0, l = srcElements.length; i < l; i++ ) {
          fixInput( srcElements[ i ], destElements[ i ] );
        }
      }

      // Copy the events from the original to the clone
      if ( dataAndEvents ) {
        if ( deepDataAndEvents ) {
          srcElements = srcElements || getAll( elem );
          destElements = destElements || getAll( clone );

          for ( i = 0, l = srcElements.length; i < l; i++ ) {
            cloneCopyEvent( srcElements[ i ], destElements[ i ] );
          }
        } else {
          cloneCopyEvent( elem, clone );
        }
      }

      // Preserve script evaluation history
      destElements = getAll( clone, "script" );
      if ( destElements.length > 0 ) {
        setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
      }

      // Return the cloned set
      return clone;
    },

    cleanData: function( elems ) {
      var data, elem, type,
        special = jQuery.event.special,
        i = 0;

      for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
        if ( acceptData( elem ) ) {
          if ( ( data = elem[ dataPriv.expando ] ) ) {
            if ( data.events ) {
              for ( type in data.events ) {
                if ( special[ type ] ) {
                  jQuery.event.remove( elem, type );

                  // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent( elem, type, data.handle );
                }
              }
            }

            // Support: Chrome <=35 - 45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataPriv.expando ] = undefined;
          }
          if ( elem[ dataUser.expando ] ) {

            // Support: Chrome <=35 - 45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataUser.expando ] = undefined;
          }
        }
      }
    }
  } );

  jQuery.fn.extend( {
    detach: function( selector ) {
      return remove( this, selector, true );
    },

    remove: function( selector ) {
      return remove( this, selector );
    },

    text: function( value ) {
      return access( this, function( value ) {
        return value === undefined ?
          jQuery.text( this ) :
          this.empty().each( function() {
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
              this.textContent = value;
            }
          } );
      }, null, value, arguments.length );
    },

    append: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.appendChild( elem );
        }
      } );
    },

    prepend: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.insertBefore( elem, target.firstChild );
        }
      } );
    },

    before: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this );
        }
      } );
    },

    after: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        }
      } );
    },

    empty: function() {
      var elem,
        i = 0;

      for ( ; ( elem = this[ i ] ) != null; i++ ) {
        if ( elem.nodeType === 1 ) {

          // Prevent memory leaks
          jQuery.cleanData( getAll( elem, false ) );

          // Remove any remaining nodes
          elem.textContent = "";
        }
      }

      return this;
    },

    clone: function( dataAndEvents, deepDataAndEvents ) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

      return this.map( function() {
        return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
      } );
    },

    html: function( value ) {
      return access( this, function( value ) {
        var elem = this[ 0 ] || {},
          i = 0,
          l = this.length;

        if ( value === undefined && elem.nodeType === 1 ) {
          return elem.innerHTML;
        }

        // See if we can take a shortcut and just use innerHTML
        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
          !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {

          value = jQuery.htmlPrefilter( value );

          try {
            for ( ; i < l; i++ ) {
              elem = this[ i ] || {};

              // Remove element nodes and prevent memory leaks
              if ( elem.nodeType === 1 ) {
                jQuery.cleanData( getAll( elem, false ) );
                elem.innerHTML = value;
              }
            }

            elem = 0;

            // If using innerHTML throws an exception, use the fallback method
          } catch ( e ) {}
        }

        if ( elem ) {
          this.empty().append( value );
        }
      }, null, value, arguments.length );
    },

    replaceWith: function() {
      var ignored = [];

      // Make the changes, replacing each non-ignored context element with the new content
      return domManip( this, arguments, function( elem ) {
        var parent = this.parentNode;

        if ( jQuery.inArray( this, ignored ) < 0 ) {
          jQuery.cleanData( getAll( this ) );
          if ( parent ) {
            parent.replaceChild( elem, this );
          }
        }

        // Force callback invocation
      }, ignored );
    }
  } );

  jQuery.each( {
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function( name, original ) {
    jQuery.fn[ name ] = function( selector ) {
      var elems,
        ret = [],
        insert = jQuery( selector ),
        last = insert.length - 1,
        i = 0;

      for ( ; i <= last; i++ ) {
        elems = i === last ? this : this.clone( true );
        jQuery( insert[ i ] )[ original ]( elems );

        // Support: Android <=4.0 only, PhantomJS 1 only
        // .get() because push.apply(_, arraylike) throws on ancient WebKit
        push.apply( ret, elems.get() );
      }

      return this.pushStack( ret );
    };
  } );
  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );

  var getStyles = function( elem ) {

    // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
    // IE throws on elements created in popups
    // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
    var view = elem.ownerDocument.defaultView;

    if ( !view || !view.opener ) {
      view = window;
    }

    return view.getComputedStyle( elem );
  };

  var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );



  ( function() {

    // Executing both pixelPosition & boxSizingReliable tests require only one layout
    // so they're executed at the same time to save the second computation.
    function computeStyleTests() {

      // This is a singleton, we need to execute it only once
      if ( !div ) {
        return;
      }

      container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
        "margin-top:1px;padding:0;border:0";
      div.style.cssText =
        "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
        "margin:auto;border:1px;padding:1px;" +
        "width:60%;top:1%";
      documentElement.appendChild( container ).appendChild( div );

      var divStyle = window.getComputedStyle( div );
      pixelPositionVal = divStyle.top !== "1%";

      // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
      reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;

      // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
      // Some styles come back with percentage values, even though they shouldn't
      div.style.right = "60%";
      pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;

      // Support: IE 9 - 11 only
      // Detect misreporting of content dimensions for box-sizing:border-box elements
      boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;

      // Support: IE 9 only
      // Detect overflow:scroll screwiness (gh-3699)
      // Support: Chrome <=64
      // Don't get tricked when zoom affects offsetWidth (gh-4029)
      div.style.position = "absolute";
      scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;

      documentElement.removeChild( container );

      // Nullify the div so it wouldn't be stored in the memory and
      // it will also be a sign that checks already performed
      div = null;
    }

    function roundPixelMeasures( measure ) {
      return Math.round( parseFloat( measure ) );
    }

    var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
      reliableMarginLeftVal,
      container = document.createElement( "div" ),
      div = document.createElement( "div" );

    // Finish early in limited (non-browser) environments
    if ( !div.style ) {
      return;
    }

    // Support: IE <=9 - 11 only
    // Style of cloned element affects source element cloned (#8908)
    div.style.backgroundClip = "content-box";
    div.cloneNode( true ).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";

    jQuery.extend( support, {
      boxSizingReliable: function() {
        computeStyleTests();
        return boxSizingReliableVal;
      },
      pixelBoxStyles: function() {
        computeStyleTests();
        return pixelBoxStylesVal;
      },
      pixelPosition: function() {
        computeStyleTests();
        return pixelPositionVal;
      },
      reliableMarginLeft: function() {
        computeStyleTests();
        return reliableMarginLeftVal;
      },
      scrollboxSize: function() {
        computeStyleTests();
        return scrollboxSizeVal;
      }
    } );
  } )();


  function curCSS( elem, name, computed ) {
    var width, minWidth, maxWidth, ret,

      // Support: Firefox 51+
      // Retrieving style before computed somehow
      // fixes an issue with getting wrong values
      // on detached elements
      style = elem.style;

    computed = computed || getStyles( elem );

    // getPropertyValue is needed for:
    //   .css('filter') (IE 9 only, #12537)
    //   .css('--customProperty) (#3144)
    if ( computed ) {
      ret = computed.getPropertyValue( name ) || computed[ name ];

      if ( ret === "" && !isAttached( elem ) ) {
        ret = jQuery.style( elem, name );
      }

      // A tribute to the "awesome hack by Dean Edwards"
      // Android Browser returns percentage for some values,
      // but width seems to be reliably pixels.
      // This is against the CSSOM draft spec:
      // https://drafts.csswg.org/cssom/#resolved-values
      if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {

        // Remember the original values
        width = style.width;
        minWidth = style.minWidth;
        maxWidth = style.maxWidth;

        // Put in the new values to get a computed value out
        style.minWidth = style.maxWidth = style.width = ret;
        ret = computed.width;

        // Revert the changed values
        style.width = width;
        style.minWidth = minWidth;
        style.maxWidth = maxWidth;
      }
    }

    return ret !== undefined ?

      // Support: IE <=9 - 11 only
      // IE returns zIndex value as an integer.
      ret + "" :
      ret;
  }


  function addGetHookIf( conditionFn, hookFn ) {

    // Define the hook, we'll check on the first run if it's really needed.
    return {
      get: function() {
        if ( conditionFn() ) {

          // Hook not needed (or it's not possible to use it due
          // to missing dependency), remove it.
          delete this.get;
          return;
        }

        // Hook needed; redefine it so that the support test is not executed again.
        return ( this.get = hookFn ).apply( this, arguments );
      }
    };
  }


  var cssPrefixes = [ "Webkit", "Moz", "ms" ],
    emptyStyle = document.createElement( "div" ).style,
    vendorProps = {};

// Return a vendor-prefixed property or undefined
  function vendorPropName( name ) {

    // Check for vendor prefixed names
    var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
      i = cssPrefixes.length;

    while ( i-- ) {
      name = cssPrefixes[ i ] + capName;
      if ( name in emptyStyle ) {
        return name;
      }
    }
  }

// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
  function finalPropName( name ) {
    var final = jQuery.cssProps[ name ] || vendorProps[ name ];

    if ( final ) {
      return final;
    }
    if ( name in emptyStyle ) {
      return name;
    }
    return vendorProps[ name ] = vendorPropName( name ) || name;
  }


  var

    // Swappable if display is none or starts with table
    // except "table", "table-cell", or "table-caption"
    // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,
    rcustomProp = /^--/,
    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    cssNormalTransform = {
      letterSpacing: "0",
      fontWeight: "400"
    };

  function setPositiveNumber( elem, value, subtract ) {

    // Any relative (+/-) values have already been
    // normalized at this point
    var matches = rcssNum.exec( value );
    return matches ?

      // Guard against undefined "subtract", e.g., when used as in cssHooks
      Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
      value;
  }

  function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
    var i = dimension === "width" ? 1 : 0,
      extra = 0,
      delta = 0;

    // Adjustment may not be necessary
    if ( box === ( isBorderBox ? "border" : "content" ) ) {
      return 0;
    }

    for ( ; i < 4; i += 2 ) {

      // Both box models exclude margin
      if ( box === "margin" ) {
        delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
      }

      // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
      if ( !isBorderBox ) {

        // Add padding
        delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

        // For "border" or "margin", add border
        if ( box !== "padding" ) {
          delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );

          // But still keep track of it otherwise
        } else {
          extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }

        // If we get here with a border-box (content + padding + border), we're seeking "content" or
        // "padding" or "margin"
      } else {

        // For "content", subtract padding
        if ( box === "content" ) {
          delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
        }

        // For "content" or "padding", subtract border
        if ( box !== "margin" ) {
          delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      }
    }

    // Account for positive content-box scroll gutter when requested by providing computedVal
    if ( !isBorderBox && computedVal >= 0 ) {

      // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
      // Assuming integer scroll gutter, subtract the rest and round down
      delta += Math.max( 0, Math.ceil(
        elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
        computedVal -
        delta -
        extra -
        0.5

        // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
        // Use an explicit zero to avoid NaN (gh-3964)
      ) ) || 0;
    }

    return delta;
  }

  function getWidthOrHeight( elem, dimension, extra ) {

    // Start with computed style
    var styles = getStyles( elem ),

      // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
      // Fake content-box until we know it's needed to know the true value.
      boxSizingNeeded = !support.boxSizingReliable() || extra,
      isBorderBox = boxSizingNeeded &&
        jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
      valueIsBorderBox = isBorderBox,

      val = curCSS( elem, dimension, styles ),
      offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );

    // Support: Firefox <=54
    // Return a confounding non-pixel value or feign ignorance, as appropriate.
    if ( rnumnonpx.test( val ) ) {
      if ( !extra ) {
        return val;
      }
      val = "auto";
    }


    // Fall back to offsetWidth/offsetHeight when value is "auto"
    // This happens for inline elements with no explicit setting (gh-3571)
    // Support: Android <=4.1 - 4.3 only
    // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
    // Support: IE 9-11 only
    // Also use offsetWidth/offsetHeight for when box sizing is unreliable
    // We use getClientRects() to check for hidden/disconnected.
    // In those cases, the computed value can be trusted to be border-box
    if ( ( !support.boxSizingReliable() && isBorderBox ||
      val === "auto" ||
      !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
      elem.getClientRects().length ) {

      isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

      // Where available, offsetWidth/offsetHeight approximate border box dimensions.
      // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
      // retrieved value as a content box dimension.
      valueIsBorderBox = offsetProp in elem;
      if ( valueIsBorderBox ) {
        val = elem[ offsetProp ];
      }
    }

    // Normalize "" and auto
    val = parseFloat( val ) || 0;

    // Adjust for the element's box model
    return ( val +
      boxModelAdjustment(
        elem,
        dimension,
        extra || ( isBorderBox ? "border" : "content" ),
        valueIsBorderBox,
        styles,

        // Provide the current computed size to request scroll gutter calculation (gh-3589)
        val
      )
    ) + "px";
  }

  jQuery.extend( {

    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function( elem, computed ) {
          if ( computed ) {

            // We should always get a number back from opacity
            var ret = curCSS( elem, "opacity" );
            return ret === "" ? "1" : ret;
          }
        }
      }
    },

    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
      "animationIterationCount": true,
      "columnCount": true,
      "fillOpacity": true,
      "flexGrow": true,
      "flexShrink": true,
      "fontWeight": true,
      "gridArea": true,
      "gridColumn": true,
      "gridColumnEnd": true,
      "gridColumnStart": true,
      "gridRow": true,
      "gridRowEnd": true,
      "gridRowStart": true,
      "lineHeight": true,
      "opacity": true,
      "order": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },

    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {},

    // Get and set the style property on a DOM Node
    style: function( elem, name, value, extra ) {

      // Don't set styles on text and comment nodes
      if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
        return;
      }

      // Make sure that we're working with the right name
      var ret, type, hooks,
        origName = camelCase( name ),
        isCustomProp = rcustomProp.test( name ),
        style = elem.style;

      // Make sure that we're working with the right name. We don't
      // want to query the value if it is a CSS custom property
      // since they are user-defined.
      if ( !isCustomProp ) {
        name = finalPropName( origName );
      }

      // Gets hook for the prefixed version, then unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // Check if we're setting a value
      if ( value !== undefined ) {
        type = typeof value;

        // Convert "+=" or "-=" to relative numbers (#7345)
        if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
          value = adjustCSS( elem, name, ret );

          // Fixes bug #9237
          type = "number";
        }

        // Make sure that null and NaN values aren't set (#7116)
        if ( value == null || value !== value ) {
          return;
        }

        // If a number was passed in, add the unit (except for certain CSS properties)
        // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
        // "px" to a few hardcoded values.
        if ( type === "number" && !isCustomProp ) {
          value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
        }

        // background-* props affect original clone's values
        if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
          style[ name ] = "inherit";
        }

        // If a hook was provided, use that value, otherwise just set the specified value
        if ( !hooks || !( "set" in hooks ) ||
          ( value = hooks.set( elem, value, extra ) ) !== undefined ) {

          if ( isCustomProp ) {
            style.setProperty( name, value );
          } else {
            style[ name ] = value;
          }
        }

      } else {

        // If a hook was provided get the non-computed value from there
        if ( hooks && "get" in hooks &&
          ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {

          return ret;
        }

        // Otherwise just get the value from the style object
        return style[ name ];
      }
    },

    css: function( elem, name, extra, styles ) {
      var val, num, hooks,
        origName = camelCase( name ),
        isCustomProp = rcustomProp.test( name );

      // Make sure that we're working with the right name. We don't
      // want to modify the value if it is a CSS custom property
      // since they are user-defined.
      if ( !isCustomProp ) {
        name = finalPropName( origName );
      }

      // Try prefixed name followed by the unprefixed name
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // If a hook was provided get the computed value from there
      if ( hooks && "get" in hooks ) {
        val = hooks.get( elem, true, extra );
      }

      // Otherwise, if a way to get the computed value exists, use that
      if ( val === undefined ) {
        val = curCSS( elem, name, styles );
      }

      // Convert "normal" to computed value
      if ( val === "normal" && name in cssNormalTransform ) {
        val = cssNormalTransform[ name ];
      }

      // Make numeric if forced or a qualifier was provided and val looks numeric
      if ( extra === "" || extra ) {
        num = parseFloat( val );
        return extra === true || isFinite( num ) ? num || 0 : val;
      }

      return val;
    }
  } );

  jQuery.each( [ "height", "width" ], function( i, dimension ) {
    jQuery.cssHooks[ dimension ] = {
      get: function( elem, computed, extra ) {
        if ( computed ) {

          // Certain elements can have dimension info if we invisibly show them
          // but it must have a current display style that would benefit
          return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&

          // Support: Safari 8+
          // Table columns in Safari have non-zero offsetWidth & zero
          // getBoundingClientRect().width unless display is changed.
          // Support: IE <=11 only
          // Running getBoundingClientRect on a disconnected node
          // in IE throws an error.
          ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
            swap( elem, cssShow, function() {
              return getWidthOrHeight( elem, dimension, extra );
            } ) :
            getWidthOrHeight( elem, dimension, extra );
        }
      },

      set: function( elem, value, extra ) {
        var matches,
          styles = getStyles( elem ),

          // Only read styles.position if the test has a chance to fail
          // to avoid forcing a reflow.
          scrollboxSizeBuggy = !support.scrollboxSize() &&
            styles.position === "absolute",

          // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
          boxSizingNeeded = scrollboxSizeBuggy || extra,
          isBorderBox = boxSizingNeeded &&
            jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
          subtract = extra ?
            boxModelAdjustment(
              elem,
              dimension,
              extra,
              isBorderBox,
              styles
            ) :
            0;

        // Account for unreliable border-box dimensions by comparing offset* to computed and
        // faking a content-box to get border and padding (gh-3699)
        if ( isBorderBox && scrollboxSizeBuggy ) {
          subtract -= Math.ceil(
            elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
            parseFloat( styles[ dimension ] ) -
            boxModelAdjustment( elem, dimension, "border", false, styles ) -
            0.5
          );
        }

        // Convert to pixels if value adjustment is needed
        if ( subtract && ( matches = rcssNum.exec( value ) ) &&
          ( matches[ 3 ] || "px" ) !== "px" ) {

          elem.style[ dimension ] = value;
          value = jQuery.css( elem, dimension );
        }

        return setPositiveNumber( elem, value, subtract );
      }
    };
  } );

  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
    function( elem, computed ) {
      if ( computed ) {
        return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
          elem.getBoundingClientRect().left -
          swap( elem, { marginLeft: 0 }, function() {
            return elem.getBoundingClientRect().left;
          } )
        ) + "px";
      }
    }
  );

// These hooks are used by animate to expand properties
  jQuery.each( {
    margin: "",
    padding: "",
    border: "Width"
  }, function( prefix, suffix ) {
    jQuery.cssHooks[ prefix + suffix ] = {
      expand: function( value ) {
        var i = 0,
          expanded = {},

          // Assumes a single number if not a string
          parts = typeof value === "string" ? value.split( " " ) : [ value ];

        for ( ; i < 4; i++ ) {
          expanded[ prefix + cssExpand[ i ] + suffix ] =
            parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
        }

        return expanded;
      }
    };

    if ( prefix !== "margin" ) {
      jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    }
  } );

  jQuery.fn.extend( {
    css: function( name, value ) {
      return access( this, function( elem, name, value ) {
        var styles, len,
          map = {},
          i = 0;

        if ( Array.isArray( name ) ) {
          styles = getStyles( elem );
          len = name.length;

          for ( ; i < len; i++ ) {
            map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
          }

          return map;
        }

        return value !== undefined ?
          jQuery.style( elem, name, value ) :
          jQuery.css( elem, name );
      }, name, value, arguments.length > 1 );
    }
  } );


  function Tween( elem, options, prop, end, easing ) {
    return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;

  Tween.prototype = {
    constructor: Tween,
    init: function( elem, options, prop, end, easing, unit ) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || jQuery.easing._default;
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    },
    cur: function() {
      var hooks = Tween.propHooks[ this.prop ];

      return hooks && hooks.get ?
        hooks.get( this ) :
        Tween.propHooks._default.get( this );
    },
    run: function( percent ) {
      var eased,
        hooks = Tween.propHooks[ this.prop ];

      if ( this.options.duration ) {
        this.pos = eased = jQuery.easing[ this.easing ](
          percent, this.options.duration * percent, 0, 1, this.options.duration
        );
      } else {
        this.pos = eased = percent;
      }
      this.now = ( this.end - this.start ) * eased + this.start;

      if ( this.options.step ) {
        this.options.step.call( this.elem, this.now, this );
      }

      if ( hooks && hooks.set ) {
        hooks.set( this );
      } else {
        Tween.propHooks._default.set( this );
      }
      return this;
    }
  };

  Tween.prototype.init.prototype = Tween.prototype;

  Tween.propHooks = {
    _default: {
      get: function( tween ) {
        var result;

        // Use a property on the element directly when it is not a DOM element,
        // or when there is no matching style property that exists.
        if ( tween.elem.nodeType !== 1 ||
          tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
          return tween.elem[ tween.prop ];
        }

        // Passing an empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails.
        // Simple values such as "10px" are parsed to Float;
        // complex values such as "rotate(1rad)" are returned as-is.
        result = jQuery.css( tween.elem, tween.prop, "" );

        // Empty strings, null, undefined and "auto" are converted to 0.
        return !result || result === "auto" ? 0 : result;
      },
      set: function( tween ) {

        // Use step hook for back compat.
        // Use cssHook if its there.
        // Use .style if available and use plain properties where available.
        if ( jQuery.fx.step[ tween.prop ] ) {
          jQuery.fx.step[ tween.prop ]( tween );
        } else if ( tween.elem.nodeType === 1 && (
          jQuery.cssHooks[ tween.prop ] ||
          tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
          jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
        } else {
          tween.elem[ tween.prop ] = tween.now;
        }
      }
    }
  };

// Support: IE <=9 only
// Panic based approach to setting things on disconnected nodes
  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function( tween ) {
      if ( tween.elem.nodeType && tween.elem.parentNode ) {
        tween.elem[ tween.prop ] = tween.now;
      }
    }
  };

  jQuery.easing = {
    linear: function( p ) {
      return p;
    },
    swing: function( p ) {
      return 0.5 - Math.cos( p * Math.PI ) / 2;
    },
    _default: "swing"
  };

  jQuery.fx = Tween.prototype.init;

// Back compat <1.8 extension point
  jQuery.fx.step = {};




  var
    fxNow, inProgress,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rrun = /queueHooks$/;

  function schedule() {
    if ( inProgress ) {
      if ( document.hidden === false && window.requestAnimationFrame ) {
        window.requestAnimationFrame( schedule );
      } else {
        window.setTimeout( schedule, jQuery.fx.interval );
      }

      jQuery.fx.tick();
    }
  }

// Animations created synchronously will run synchronously
  function createFxNow() {
    window.setTimeout( function() {
      fxNow = undefined;
    } );
    return ( fxNow = Date.now() );
  }

// Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
    var which,
      i = 0,
      attrs = { height: type };

    // If we include width, step value is 1 to do all cssExpand values,
    // otherwise step value is 2 to skip over Left and Right
    includeWidth = includeWidth ? 1 : 0;
    for ( ; i < 4; i += 2 - includeWidth ) {
      which = cssExpand[ i ];
      attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    }

    if ( includeWidth ) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

  function createTween( value, prop, animation ) {
    var tween,
      collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
      index = 0,
      length = collection.length;
    for ( ; index < length; index++ ) {
      if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {

        // We're done with this property
        return tween;
      }
    }
  }

  function defaultPrefilter( elem, props, opts ) {
    var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
      isBox = "width" in props || "height" in props,
      anim = this,
      orig = {},
      style = elem.style,
      hidden = elem.nodeType && isHiddenWithinTree( elem ),
      dataShow = dataPriv.get( elem, "fxshow" );

    // Queue-skipping animations hijack the fx hooks
    if ( !opts.queue ) {
      hooks = jQuery._queueHooks( elem, "fx" );
      if ( hooks.unqueued == null ) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;
        hooks.empty.fire = function() {
          if ( !hooks.unqueued ) {
            oldfire();
          }
        };
      }
      hooks.unqueued++;

      anim.always( function() {

        // Ensure the complete handler is called before this completes
        anim.always( function() {
          hooks.unqueued--;
          if ( !jQuery.queue( elem, "fx" ).length ) {
            hooks.empty.fire();
          }
        } );
      } );
    }

    // Detect show/hide animations
    for ( prop in props ) {
      value = props[ prop ];
      if ( rfxtypes.test( value ) ) {
        delete props[ prop ];
        toggle = toggle || value === "toggle";
        if ( value === ( hidden ? "hide" : "show" ) ) {

          // Pretend to be hidden if this is a "show" and
          // there is still data from a stopped show/hide
          if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
            hidden = true;

            // Ignore all other no-op show/hide data
          } else {
            continue;
          }
        }
        orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
      }
    }

    // Bail out if this is a no-op like .hide().hide()
    propTween = !jQuery.isEmptyObject( props );
    if ( !propTween && jQuery.isEmptyObject( orig ) ) {
      return;
    }

    // Restrict "overflow" and "display" styles during box animations
    if ( isBox && elem.nodeType === 1 ) {

      // Support: IE <=9 - 11, Edge 12 - 15
      // Record all 3 overflow attributes because IE does not infer the shorthand
      // from identically-valued overflowX and overflowY and Edge just mirrors
      // the overflowX value there.
      opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

      // Identify a display type, preferring old show/hide data over the CSS cascade
      restoreDisplay = dataShow && dataShow.display;
      if ( restoreDisplay == null ) {
        restoreDisplay = dataPriv.get( elem, "display" );
      }
      display = jQuery.css( elem, "display" );
      if ( display === "none" ) {
        if ( restoreDisplay ) {
          display = restoreDisplay;
        } else {

          // Get nonempty value(s) by temporarily forcing visibility
          showHide( [ elem ], true );
          restoreDisplay = elem.style.display || restoreDisplay;
          display = jQuery.css( elem, "display" );
          showHide( [ elem ] );
        }
      }

      // Animate inline elements as inline-block
      if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
        if ( jQuery.css( elem, "float" ) === "none" ) {

          // Restore the original display value at the end of pure show/hide animations
          if ( !propTween ) {
            anim.done( function() {
              style.display = restoreDisplay;
            } );
            if ( restoreDisplay == null ) {
              display = style.display;
              restoreDisplay = display === "none" ? "" : display;
            }
          }
          style.display = "inline-block";
        }
      }
    }

    if ( opts.overflow ) {
      style.overflow = "hidden";
      anim.always( function() {
        style.overflow = opts.overflow[ 0 ];
        style.overflowX = opts.overflow[ 1 ];
        style.overflowY = opts.overflow[ 2 ];
      } );
    }

    // Implement show/hide animations
    propTween = false;
    for ( prop in orig ) {

      // General show/hide setup for this element animation
      if ( !propTween ) {
        if ( dataShow ) {
          if ( "hidden" in dataShow ) {
            hidden = dataShow.hidden;
          }
        } else {
          dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
        }

        // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
        if ( toggle ) {
          dataShow.hidden = !hidden;
        }

        // Show elements before animating them
        if ( hidden ) {
          showHide( [ elem ], true );
        }

        /* eslint-disable no-loop-func */

        anim.done( function() {

          /* eslint-enable no-loop-func */

          // The final step of a "hide" animation is actually hiding the element
          if ( !hidden ) {
            showHide( [ elem ] );
          }
          dataPriv.remove( elem, "fxshow" );
          for ( prop in orig ) {
            jQuery.style( elem, prop, orig[ prop ] );
          }
        } );
      }

      // Per-property setup
      propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
      if ( !( prop in dataShow ) ) {
        dataShow[ prop ] = propTween.start;
        if ( hidden ) {
          propTween.end = propTween.start;
          propTween.start = 0;
        }
      }
    }
  }

  function propFilter( props, specialEasing ) {
    var index, name, easing, value, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
      name = camelCase( index );
      easing = specialEasing[ name ];
      value = props[ index ];
      if ( Array.isArray( value ) ) {
        easing = value[ 1 ];
        value = props[ index ] = value[ 0 ];
      }

      if ( index !== name ) {
        props[ name ] = value;
        delete props[ index ];
      }

      hooks = jQuery.cssHooks[ name ];
      if ( hooks && "expand" in hooks ) {
        value = hooks.expand( value );
        delete props[ name ];

        // Not quite $.extend, this won't overwrite existing keys.
        // Reusing 'index' because we have the correct "name"
        for ( index in value ) {
          if ( !( index in props ) ) {
            props[ index ] = value[ index ];
            specialEasing[ index ] = easing;
          }
        }
      } else {
        specialEasing[ name ] = easing;
      }
    }
  }

  function Animation( elem, properties, options ) {
    var result,
      stopped,
      index = 0,
      length = Animation.prefilters.length,
      deferred = jQuery.Deferred().always( function() {

        // Don't match elem in the :animated selector
        delete tick.elem;
      } ),
      tick = function() {
        if ( stopped ) {
          return false;
        }
        var currentTime = fxNow || createFxNow(),
          remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),

          // Support: Android 2.3 only
          // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
          temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

        for ( ; index < length; index++ ) {
          animation.tweens[ index ].run( percent );
        }

        deferred.notifyWith( elem, [ animation, percent, remaining ] );

        // If there's more to do, yield
        if ( percent < 1 && length ) {
          return remaining;
        }

        // If this was an empty animation, synthesize a final progress notification
        if ( !length ) {
          deferred.notifyWith( elem, [ animation, 1, 0 ] );
        }

        // Resolve the animation and report its conclusion
        deferred.resolveWith( elem, [ animation ] );
        return false;
      },
      animation = deferred.promise( {
        elem: elem,
        props: jQuery.extend( {}, properties ),
        opts: jQuery.extend( true, {
          specialEasing: {},
          easing: jQuery.easing._default
        }, options ),
        originalProperties: properties,
        originalOptions: options,
        startTime: fxNow || createFxNow(),
        duration: options.duration,
        tweens: [],
        createTween: function( prop, end ) {
          var tween = jQuery.Tween( elem, animation.opts, prop, end,
            animation.opts.specialEasing[ prop ] || animation.opts.easing );
          animation.tweens.push( tween );
          return tween;
        },
        stop: function( gotoEnd ) {
          var index = 0,

            // If we are going to the end, we want to run all the tweens
            // otherwise we skip this part
            length = gotoEnd ? animation.tweens.length : 0;
          if ( stopped ) {
            return this;
          }
          stopped = true;
          for ( ; index < length; index++ ) {
            animation.tweens[ index ].run( 1 );
          }

          // Resolve when we played the last frame; otherwise, reject
          if ( gotoEnd ) {
            deferred.notifyWith( elem, [ animation, 1, 0 ] );
            deferred.resolveWith( elem, [ animation, gotoEnd ] );
          } else {
            deferred.rejectWith( elem, [ animation, gotoEnd ] );
          }
          return this;
        }
      } ),
      props = animation.props;

    propFilter( props, animation.opts.specialEasing );

    for ( ; index < length; index++ ) {
      result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
      if ( result ) {
        if ( isFunction( result.stop ) ) {
          jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
            result.stop.bind( result );
        }
        return result;
      }
    }

    jQuery.map( props, createTween, animation );

    if ( isFunction( animation.opts.start ) ) {
      animation.opts.start.call( elem, animation );
    }

    // Attach callbacks from options
    animation
      .progress( animation.opts.progress )
      .done( animation.opts.done, animation.opts.complete )
      .fail( animation.opts.fail )
      .always( animation.opts.always );

    jQuery.fx.timer(
      jQuery.extend( tick, {
        elem: elem,
        anim: animation,
        queue: animation.opts.queue
      } )
    );

    return animation;
  }

  jQuery.Animation = jQuery.extend( Animation, {

    tweeners: {
      "*": [ function( prop, value ) {
        var tween = this.createTween( prop, value );
        adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
        return tween;
      } ]
    },

    tweener: function( props, callback ) {
      if ( isFunction( props ) ) {
        callback = props;
        props = [ "*" ];
      } else {
        props = props.match( rnothtmlwhite );
      }

      var prop,
        index = 0,
        length = props.length;

      for ( ; index < length; index++ ) {
        prop = props[ index ];
        Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
        Animation.tweeners[ prop ].unshift( callback );
      }
    },

    prefilters: [ defaultPrefilter ],

    prefilter: function( callback, prepend ) {
      if ( prepend ) {
        Animation.prefilters.unshift( callback );
      } else {
        Animation.prefilters.push( callback );
      }
    }
  } );

  jQuery.speed = function( speed, easing, fn ) {
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
      complete: fn || !fn && easing ||
        isFunction( speed ) && speed,
      duration: speed,
      easing: fn && easing || easing && !isFunction( easing ) && easing
    };

    // Go to the end state if fx are off
    if ( jQuery.fx.off ) {
      opt.duration = 0;

    } else {
      if ( typeof opt.duration !== "number" ) {
        if ( opt.duration in jQuery.fx.speeds ) {
          opt.duration = jQuery.fx.speeds[ opt.duration ];

        } else {
          opt.duration = jQuery.fx.speeds._default;
        }
      }
    }

    // Normalize opt.queue - true/undefined/null -> "fx"
    if ( opt.queue == null || opt.queue === true ) {
      opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function() {
      if ( isFunction( opt.old ) ) {
        opt.old.call( this );
      }

      if ( opt.queue ) {
        jQuery.dequeue( this, opt.queue );
      }
    };

    return opt;
  };

  jQuery.fn.extend( {
    fadeTo: function( speed, to, easing, callback ) {

      // Show any hidden elements after setting opacity to 0
      return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()

        // Animate to the value specified
        .end().animate( { opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
      var empty = jQuery.isEmptyObject( prop ),
        optall = jQuery.speed( speed, easing, callback ),
        doAnimation = function() {

          // Operate on a copy of prop so per-property easing won't be lost
          var anim = Animation( this, jQuery.extend( {}, prop ), optall );

          // Empty animations, or finishing resolves immediately
          if ( empty || dataPriv.get( this, "finish" ) ) {
            anim.stop( true );
          }
        };
      doAnimation.finish = doAnimation;

      return empty || optall.queue === false ?
        this.each( doAnimation ) :
        this.queue( optall.queue, doAnimation );
    },
    stop: function( type, clearQueue, gotoEnd ) {
      var stopQueue = function( hooks ) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop( gotoEnd );
      };

      if ( typeof type !== "string" ) {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }
      if ( clearQueue && type !== false ) {
        this.queue( type || "fx", [] );
      }

      return this.each( function() {
        var dequeue = true,
          index = type != null && type + "queueHooks",
          timers = jQuery.timers,
          data = dataPriv.get( this );

        if ( index ) {
          if ( data[ index ] && data[ index ].stop ) {
            stopQueue( data[ index ] );
          }
        } else {
          for ( index in data ) {
            if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
              stopQueue( data[ index ] );
            }
          }
        }

        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this &&
            ( type == null || timers[ index ].queue === type ) ) {

            timers[ index ].anim.stop( gotoEnd );
            dequeue = false;
            timers.splice( index, 1 );
          }
        }

        // Start the next in the queue if the last step wasn't forced.
        // Timers currently will call their complete callbacks, which
        // will dequeue but only if they were gotoEnd.
        if ( dequeue || !gotoEnd ) {
          jQuery.dequeue( this, type );
        }
      } );
    },
    finish: function( type ) {
      if ( type !== false ) {
        type = type || "fx";
      }
      return this.each( function() {
        var index,
          data = dataPriv.get( this ),
          queue = data[ type + "queue" ],
          hooks = data[ type + "queueHooks" ],
          timers = jQuery.timers,
          length = queue ? queue.length : 0;

        // Enable finishing flag on private data
        data.finish = true;

        // Empty the queue first
        jQuery.queue( this, type, [] );

        if ( hooks && hooks.stop ) {
          hooks.stop.call( this, true );
        }

        // Look for any active animations, and finish them
        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
            timers[ index ].anim.stop( true );
            timers.splice( index, 1 );
          }
        }

        // Look for any animations in the old queue and finish them
        for ( index = 0; index < length; index++ ) {
          if ( queue[ index ] && queue[ index ].finish ) {
            queue[ index ].finish.call( this );
          }
        }

        // Turn off finishing flag
        delete data.finish;
      } );
    }
  } );

  jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
    var cssFn = jQuery.fn[ name ];
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return speed == null || typeof speed === "boolean" ?
        cssFn.apply( this, arguments ) :
        this.animate( genFx( name, true ), speed, easing, callback );
    };
  } );

// Generate shortcuts for custom animations
  jQuery.each( {
    slideDown: genFx( "show" ),
    slideUp: genFx( "hide" ),
    slideToggle: genFx( "toggle" ),
    fadeIn: { opacity: "show" },
    fadeOut: { opacity: "hide" },
    fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return this.animate( props, speed, easing, callback );
    };
  } );

  jQuery.timers = [];
  jQuery.fx.tick = function() {
    var timer,
      i = 0,
      timers = jQuery.timers;

    fxNow = Date.now();

    for ( ; i < timers.length; i++ ) {
      timer = timers[ i ];

      // Run the timer and safely remove it when done (allowing for external removal)
      if ( !timer() && timers[ i ] === timer ) {
        timers.splice( i--, 1 );
      }
    }

    if ( !timers.length ) {
      jQuery.fx.stop();
    }
    fxNow = undefined;
  };

  jQuery.fx.timer = function( timer ) {
    jQuery.timers.push( timer );
    jQuery.fx.start();
  };

  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
    if ( inProgress ) {
      return;
    }

    inProgress = true;
    schedule();
  };

  jQuery.fx.stop = function() {
    inProgress = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,

    // Default speed
    _default: 400
  };


// Based off of the plugin by Clint Helfers, with permission.
// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.delay = function( time, type ) {
    time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
    type = type || "fx";

    return this.queue( type, function( next, hooks ) {
      var timeout = window.setTimeout( next, time );
      hooks.stop = function() {
        window.clearTimeout( timeout );
      };
    } );
  };


  ( function() {
    var input = document.createElement( "input" ),
      select = document.createElement( "select" ),
      opt = select.appendChild( document.createElement( "option" ) );

    input.type = "checkbox";

    // Support: Android <=4.3 only
    // Default value for a checkbox should be "on"
    support.checkOn = input.value !== "";

    // Support: IE <=11 only
    // Must access selectedIndex to make default options select
    support.optSelected = opt.selected;

    // Support: IE <=11 only
    // An input loses its value after becoming a radio
    input = document.createElement( "input" );
    input.value = "t";
    input.type = "radio";
    support.radioValue = input.value === "t";
  } )();


  var boolHook,
    attrHandle = jQuery.expr.attrHandle;

  jQuery.fn.extend( {
    attr: function( name, value ) {
      return access( this, jQuery.attr, name, value, arguments.length > 1 );
    },

    removeAttr: function( name ) {
      return this.each( function() {
        jQuery.removeAttr( this, name );
      } );
    }
  } );

  jQuery.extend( {
    attr: function( elem, name, value ) {
      var ret, hooks,
        nType = elem.nodeType;

      // Don't get/set attributes on text, comment and attribute nodes
      if ( nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      // Fallback to prop when attributes are not supported
      if ( typeof elem.getAttribute === "undefined" ) {
        return jQuery.prop( elem, name, value );
      }

      // Attribute hooks are determined by the lowercase version
      // Grab necessary hook if one is defined
      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
        hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
          ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
      }

      if ( value !== undefined ) {
        if ( value === null ) {
          jQuery.removeAttr( elem, name );
          return;
        }

        if ( hooks && "set" in hooks &&
          ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
          return ret;
        }

        elem.setAttribute( name, value + "" );
        return value;
      }

      if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
        return ret;
      }

      ret = jQuery.find.attr( elem, name );

      // Non-existent attributes return null, we normalize to undefined
      return ret == null ? undefined : ret;
    },

    attrHooks: {
      type: {
        set: function( elem, value ) {
          if ( !support.radioValue && value === "radio" &&
            nodeName( elem, "input" ) ) {
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return value;
          }
        }
      }
    },

    removeAttr: function( elem, value ) {
      var name,
        i = 0,

        // Attribute names can contain non-HTML whitespace characters
        // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
        attrNames = value && value.match( rnothtmlwhite );

      if ( attrNames && elem.nodeType === 1 ) {
        while ( ( name = attrNames[ i++ ] ) ) {
          elem.removeAttribute( name );
        }
      }
    }
  } );

// Hooks for boolean attributes
  boolHook = {
    set: function( elem, value, name ) {
      if ( value === false ) {

        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else {
        elem.setAttribute( name, name );
      }
      return name;
    }
  };

  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
    var getter = attrHandle[ name ] || jQuery.find.attr;

    attrHandle[ name ] = function( elem, name, isXML ) {
      var ret, handle,
        lowercaseName = name.toLowerCase();

      if ( !isXML ) {

        // Avoid an infinite loop by temporarily removing this function from the getter
        handle = attrHandle[ lowercaseName ];
        attrHandle[ lowercaseName ] = ret;
        ret = getter( elem, name, isXML ) != null ?
          lowercaseName :
          null;
        attrHandle[ lowercaseName ] = handle;
      }
      return ret;
    };
  } );




  var rfocusable = /^(?:input|select|textarea|button)$/i,
    rclickable = /^(?:a|area)$/i;

  jQuery.fn.extend( {
    prop: function( name, value ) {
      return access( this, jQuery.prop, name, value, arguments.length > 1 );
    },

    removeProp: function( name ) {
      return this.each( function() {
        delete this[ jQuery.propFix[ name ] || name ];
      } );
    }
  } );

  jQuery.extend( {
    prop: function( elem, name, value ) {
      var ret, hooks,
        nType = elem.nodeType;

      // Don't get/set properties on text, comment and attribute nodes
      if ( nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {

        // Fix name and attach hooks
        name = jQuery.propFix[ name ] || name;
        hooks = jQuery.propHooks[ name ];
      }

      if ( value !== undefined ) {
        if ( hooks && "set" in hooks &&
          ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
          return ret;
        }

        return ( elem[ name ] = value );
      }

      if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
        return ret;
      }

      return elem[ name ];
    },

    propHooks: {
      tabIndex: {
        get: function( elem ) {

          // Support: IE <=9 - 11 only
          // elem.tabIndex doesn't always return the
          // correct value when it hasn't been explicitly set
          // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          // Use proper attribute retrieval(#12072)
          var tabindex = jQuery.find.attr( elem, "tabindex" );

          if ( tabindex ) {
            return parseInt( tabindex, 10 );
          }

          if (
            rfocusable.test( elem.nodeName ) ||
            rclickable.test( elem.nodeName ) &&
            elem.href
          ) {
            return 0;
          }

          return -1;
        }
      }
    },

    propFix: {
      "for": "htmlFor",
      "class": "className"
    }
  } );

// Support: IE <=11 only
// Accessing the selectedIndex property
// forces the browser to respect setting selected
// on the option
// The getter ensures a default option is selected
// when in an optgroup
// eslint rule "no-unused-expressions" is disabled for this code
// since it considers such accessions noop
  if ( !support.optSelected ) {
    jQuery.propHooks.selected = {
      get: function( elem ) {

        /* eslint no-unused-expressions: "off" */

        var parent = elem.parentNode;
        if ( parent && parent.parentNode ) {
          parent.parentNode.selectedIndex;
        }
        return null;
      },
      set: function( elem ) {

        /* eslint no-unused-expressions: "off" */

        var parent = elem.parentNode;
        if ( parent ) {
          parent.selectedIndex;

          if ( parent.parentNode ) {
            parent.parentNode.selectedIndex;
          }
        }
      }
    };
  }

  jQuery.each( [
    "tabIndex",
    "readOnly",
    "maxLength",
    "cellSpacing",
    "cellPadding",
    "rowSpan",
    "colSpan",
    "useMap",
    "frameBorder",
    "contentEditable"
  ], function() {
    jQuery.propFix[ this.toLowerCase() ] = this;
  } );




  // Strip and collapse whitespace according to HTML spec
  // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
  function stripAndCollapse( value ) {
    var tokens = value.match( rnothtmlwhite ) || [];
    return tokens.join( " " );
  }


  function getClass( elem ) {
    return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }

  function classesToArray( value ) {
    if ( Array.isArray( value ) ) {
      return value;
    }
    if ( typeof value === "string" ) {
      return value.match( rnothtmlwhite ) || [];
    }
    return [];
  }

  jQuery.fn.extend( {
    addClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;

      if ( isFunction( value ) ) {
        return this.each( function( j ) {
          jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
        } );
      }

      classes = classesToArray( value );

      if ( classes.length ) {
        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );
          cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );

          if ( cur ) {
            j = 0;
            while ( ( clazz = classes[ j++ ] ) ) {
              if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                cur += clazz + " ";
              }
            }

            // Only assign if different to avoid unneeded rendering.
            finalValue = stripAndCollapse( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }

      return this;
    },

    removeClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;

      if ( isFunction( value ) ) {
        return this.each( function( j ) {
          jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
        } );
      }

      if ( !arguments.length ) {
        return this.attr( "class", "" );
      }

      classes = classesToArray( value );

      if ( classes.length ) {
        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );

          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );

          if ( cur ) {
            j = 0;
            while ( ( clazz = classes[ j++ ] ) ) {

              // Remove *all* instances
              while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
                cur = cur.replace( " " + clazz + " ", " " );
              }
            }

            // Only assign if different to avoid unneeded rendering.
            finalValue = stripAndCollapse( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }

      return this;
    },

    toggleClass: function( value, stateVal ) {
      var type = typeof value,
        isValidValue = type === "string" || Array.isArray( value );

      if ( typeof stateVal === "boolean" && isValidValue ) {
        return stateVal ? this.addClass( value ) : this.removeClass( value );
      }

      if ( isFunction( value ) ) {
        return this.each( function( i ) {
          jQuery( this ).toggleClass(
            value.call( this, i, getClass( this ), stateVal ),
            stateVal
          );
        } );
      }

      return this.each( function() {
        var className, i, self, classNames;

        if ( isValidValue ) {

          // Toggle individual class names
          i = 0;
          self = jQuery( this );
          classNames = classesToArray( value );

          while ( ( className = classNames[ i++ ] ) ) {

            // Check each className given, space separated list
            if ( self.hasClass( className ) ) {
              self.removeClass( className );
            } else {
              self.addClass( className );
            }
          }

          // Toggle whole class name
        } else if ( value === undefined || type === "boolean" ) {
          className = getClass( this );
          if ( className ) {

            // Store className if set
            dataPriv.set( this, "__className__", className );
          }

          // If the element has a class name or if we're passed `false`,
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.
          if ( this.setAttribute ) {
            this.setAttribute( "class",
              className || value === false ?
                "" :
                dataPriv.get( this, "__className__" ) || ""
            );
          }
        }
      } );
    },

    hasClass: function( selector ) {
      var className, elem,
        i = 0;

      className = " " + selector + " ";
      while ( ( elem = this[ i++ ] ) ) {
        if ( elem.nodeType === 1 &&
          ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
          return true;
        }
      }

      return false;
    }
  } );




  var rreturn = /\r/g;

  jQuery.fn.extend( {
    val: function( value ) {
      var hooks, ret, valueIsFunction,
        elem = this[ 0 ];

      if ( !arguments.length ) {
        if ( elem ) {
          hooks = jQuery.valHooks[ elem.type ] ||
            jQuery.valHooks[ elem.nodeName.toLowerCase() ];

          if ( hooks &&
            "get" in hooks &&
            ( ret = hooks.get( elem, "value" ) ) !== undefined
          ) {
            return ret;
          }

          ret = elem.value;

          // Handle most common string cases
          if ( typeof ret === "string" ) {
            return ret.replace( rreturn, "" );
          }

          // Handle cases where value is null/undef or number
          return ret == null ? "" : ret;
        }

        return;
      }

      valueIsFunction = isFunction( value );

      return this.each( function( i ) {
        var val;

        if ( this.nodeType !== 1 ) {
          return;
        }

        if ( valueIsFunction ) {
          val = value.call( this, i, jQuery( this ).val() );
        } else {
          val = value;
        }

        // Treat null/undefined as ""; convert numbers to string
        if ( val == null ) {
          val = "";

        } else if ( typeof val === "number" ) {
          val += "";

        } else if ( Array.isArray( val ) ) {
          val = jQuery.map( val, function( value ) {
            return value == null ? "" : value + "";
          } );
        }

        hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];

        // If set returns undefined, fall back to normal setting
        if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
          this.value = val;
        }
      } );
    }
  } );

  jQuery.extend( {
    valHooks: {
      option: {
        get: function( elem ) {

          var val = jQuery.find.attr( elem, "value" );
          return val != null ?
            val :

            // Support: IE <=10 - 11 only
            // option.text throws exceptions (#14686, #14858)
            // Strip and collapse whitespace
            // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
            stripAndCollapse( jQuery.text( elem ) );
        }
      },
      select: {
        get: function( elem ) {
          var value, option, i,
            options = elem.options,
            index = elem.selectedIndex,
            one = elem.type === "select-one",
            values = one ? null : [],
            max = one ? index + 1 : options.length;

          if ( index < 0 ) {
            i = max;

          } else {
            i = one ? index : 0;
          }

          // Loop through all the selected options
          for ( ; i < max; i++ ) {
            option = options[ i ];

            // Support: IE <=9 only
            // IE8-9 doesn't update selected after form reset (#2551)
            if ( ( option.selected || i === index ) &&

              // Don't return options that are disabled or in a disabled optgroup
              !option.disabled &&
              ( !option.parentNode.disabled ||
                !nodeName( option.parentNode, "optgroup" ) ) ) {

              // Get the specific value for the option
              value = jQuery( option ).val();

              // We don't need an array for one selects
              if ( one ) {
                return value;
              }

              // Multi-Selects return an array
              values.push( value );
            }
          }

          return values;
        },

        set: function( elem, value ) {
          var optionSet, option,
            options = elem.options,
            values = jQuery.makeArray( value ),
            i = options.length;

          while ( i-- ) {
            option = options[ i ];

            /* eslint-disable no-cond-assign */

            if ( option.selected =
              jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
            ) {
              optionSet = true;
            }

            /* eslint-enable no-cond-assign */
          }

          // Force browsers to behave consistently when non-matching value is set
          if ( !optionSet ) {
            elem.selectedIndex = -1;
          }
          return values;
        }
      }
    }
  } );

// Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
    jQuery.valHooks[ this ] = {
      set: function( elem, value ) {
        if ( Array.isArray( value ) ) {
          return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
        }
      }
    };
    if ( !support.checkOn ) {
      jQuery.valHooks[ this ].get = function( elem ) {
        return elem.getAttribute( "value" ) === null ? "on" : elem.value;
      };
    }
  } );




// Return jQuery for attributes-only inclusion


  support.focusin = "onfocusin" in window;


  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
    stopPropagationCallback = function( e ) {
      e.stopPropagation();
    };

  jQuery.extend( jQuery.event, {

    trigger: function( event, data, elem, onlyHandlers ) {

      var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
        eventPath = [ elem || document ],
        type = hasOwn.call( event, "type" ) ? event.type : event,
        namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];

      cur = lastElement = tmp = elem = elem || document;

      // Don't do events on text and comment nodes
      if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
        return;
      }

      // focus/blur morphs to focusin/out; ensure we're not firing them right now
      if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
        return;
      }

      if ( type.indexOf( "." ) > -1 ) {

        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split( "." );
        type = namespaces.shift();
        namespaces.sort();
      }
      ontype = type.indexOf( ":" ) < 0 && "on" + type;

      // Caller can pass in a jQuery.Event object, Object, or just an event type string
      event = event[ jQuery.expando ] ?
        event :
        new jQuery.Event( type, typeof event === "object" && event );

      // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
      event.isTrigger = onlyHandlers ? 2 : 3;
      event.namespace = namespaces.join( "." );
      event.rnamespace = event.namespace ?
        new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
        null;

      // Clean up the event in case it is being reused
      event.result = undefined;
      if ( !event.target ) {
        event.target = elem;
      }

      // Clone any incoming data and prepend the event, creating the handler arg list
      data = data == null ?
        [ event ] :
        jQuery.makeArray( data, [ event ] );

      // Allow special events to draw outside the lines
      special = jQuery.event.special[ type ] || {};
      if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
        return;
      }

      // Determine event propagation path in advance, per W3C events spec (#9951)
      // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
      if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {

        bubbleType = special.delegateType || type;
        if ( !rfocusMorph.test( bubbleType + type ) ) {
          cur = cur.parentNode;
        }
        for ( ; cur; cur = cur.parentNode ) {
          eventPath.push( cur );
          tmp = cur;
        }

        // Only add window if we got to document (e.g., not plain obj or detached DOM)
        if ( tmp === ( elem.ownerDocument || document ) ) {
          eventPath.push( tmp.defaultView || tmp.parentWindow || window );
        }
      }

      // Fire handlers on the event path
      i = 0;
      while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
        lastElement = cur;
        event.type = i > 1 ?
          bubbleType :
          special.bindType || type;

        // jQuery handler
        handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
          dataPriv.get( cur, "handle" );
        if ( handle ) {
          handle.apply( cur, data );
        }

        // Native handler
        handle = ontype && cur[ ontype ];
        if ( handle && handle.apply && acceptData( cur ) ) {
          event.result = handle.apply( cur, data );
          if ( event.result === false ) {
            event.preventDefault();
          }
        }
      }
      event.type = type;

      // If nobody prevented the default action, do it now
      if ( !onlyHandlers && !event.isDefaultPrevented() ) {

        if ( ( !special._default ||
          special._default.apply( eventPath.pop(), data ) === false ) &&
          acceptData( elem ) ) {

          // Call a native DOM method on the target with the same name as the event.
          // Don't do default actions on window, that's where global variables be (#6170)
          if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {

            // Don't re-trigger an onFOO event when we call its FOO() method
            tmp = elem[ ontype ];

            if ( tmp ) {
              elem[ ontype ] = null;
            }

            // Prevent re-triggering of the same event, since we already bubbled it above
            jQuery.event.triggered = type;

            if ( event.isPropagationStopped() ) {
              lastElement.addEventListener( type, stopPropagationCallback );
            }

            elem[ type ]();

            if ( event.isPropagationStopped() ) {
              lastElement.removeEventListener( type, stopPropagationCallback );
            }

            jQuery.event.triggered = undefined;

            if ( tmp ) {
              elem[ ontype ] = tmp;
            }
          }
        }
      }

      return event.result;
    },

    // Piggyback on a donor event to simulate a different one
    // Used only for `focus(in | out)` events
    simulate: function( type, elem, event ) {
      var e = jQuery.extend(
        new jQuery.Event(),
        event,
        {
          type: type,
          isSimulated: true
        }
      );

      jQuery.event.trigger( e, null, elem );
    }

  } );

  jQuery.fn.extend( {

    trigger: function( type, data ) {
      return this.each( function() {
        jQuery.event.trigger( type, data, this );
      } );
    },
    triggerHandler: function( type, data ) {
      var elem = this[ 0 ];
      if ( elem ) {
        return jQuery.event.trigger( type, data, elem, true );
      }
    }
  } );


// Support: Firefox <=44
// Firefox doesn't have focus(in | out) events
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
//
// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
// focus(in | out) events fire after focus & blur events,
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
    jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {

      // Attach a single capturing handler on the document while someone wants focusin/focusout
      var handler = function( event ) {
        jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
      };

      jQuery.event.special[ fix ] = {
        setup: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix );

          if ( !attaches ) {
            doc.addEventListener( orig, handler, true );
          }
          dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
        },
        teardown: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix ) - 1;

          if ( !attaches ) {
            doc.removeEventListener( orig, handler, true );
            dataPriv.remove( doc, fix );

          } else {
            dataPriv.access( doc, fix, attaches );
          }
        }
      };
    } );
  }
  var location = window.location;

  var nonce = Date.now();

  var rquery = ( /\?/ );



// Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
    var xml;
    if ( !data || typeof data !== "string" ) {
      return null;
    }

    // Support: IE 9 - 11 only
    // IE throws on parseFromString with invalid input.
    try {
      xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
    } catch ( e ) {
      xml = undefined;
    }

    if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
      jQuery.error( "Invalid XML: " + data );
    }
    return xml;
  };


  var
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;

  function buildParams( prefix, obj, traditional, add ) {
    var name;

    if ( Array.isArray( obj ) ) {

      // Serialize array item.
      jQuery.each( obj, function( i, v ) {
        if ( traditional || rbracket.test( prefix ) ) {

          // Treat each array item as a scalar.
          add( prefix, v );

        } else {

          // Item is non-scalar (array or object), encode its numeric index.
          buildParams(
            prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
            v,
            traditional,
            add
          );
        }
      } );

    } else if ( !traditional && toType( obj ) === "object" ) {

      // Serialize object item.
      for ( name in obj ) {
        buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
      }

    } else {

      // Serialize scalar item.
      add( prefix, obj );
    }
  }

// Serialize an array of form elements or a set of
// key/values into a query string
  jQuery.param = function( a, traditional ) {
    var prefix,
      s = [],
      add = function( key, valueOrFunction ) {

        // If value is a function, invoke it and use its return value
        var value = isFunction( valueOrFunction ) ?
          valueOrFunction() :
          valueOrFunction;

        s[ s.length ] = encodeURIComponent( key ) + "=" +
          encodeURIComponent( value == null ? "" : value );
      };

    if ( a == null ) {
      return "";
    }

    // If an array was passed in, assume that it is an array of form elements.
    if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {

      // Serialize the form elements
      jQuery.each( a, function() {
        add( this.name, this.value );
      } );

    } else {

      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for ( prefix in a ) {
        buildParams( prefix, a[ prefix ], traditional, add );
      }
    }

    // Return the resulting serialization
    return s.join( "&" );
  };

  jQuery.fn.extend( {
    serialize: function() {
      return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
      return this.map( function() {

        // Can add propHook for "elements" to filter or add form elements
        var elements = jQuery.prop( this, "elements" );
        return elements ? jQuery.makeArray( elements ) : this;
      } )
        .filter( function() {
          var type = this.type;

          // Use .is( ":disabled" ) so that fieldset[disabled] works
          return this.name && !jQuery( this ).is( ":disabled" ) &&
            rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
            ( this.checked || !rcheckableType.test( type ) );
        } )
        .map( function( i, elem ) {
          var val = jQuery( this ).val();

          if ( val == null ) {
            return null;
          }

          if ( Array.isArray( val ) ) {
            return jQuery.map( val, function( val ) {
              return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
            } );
          }

          return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
        } ).get();
    }
  } );


  var
    r20 = /%20/g,
    rhash = /#.*$/,
    rantiCache = /([?&])_=[^&]*/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,

    // #7653, #8125, #8152: local protocol detection
    rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
    rnoContent = /^(?:GET|HEAD)$/,
    rprotocol = /^\/\//,

    /* Prefilters
	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
	 * 2) These are called:
	 *    - BEFORE asking for a transport
	 *    - AFTER param serialization (s.data is a string if s.processData is true)
	 * 3) key is the dataType
	 * 4) the catchall symbol "*" can be used
	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
	 */
    prefilters = {},

    /* Transports bindings
	 * 1) key is the dataType
	 * 2) the catchall symbol "*" can be used
	 * 3) selection will start with transport dataType and THEN go to "*" if needed
	 */
    transports = {},

    // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    allTypes = "*/".concat( "*" ),

    // Anchor tag for parsing the document origin
    originAnchor = document.createElement( "a" );
  originAnchor.href = location.href;

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {

    // dataTypeExpression is optional and defaults to "*"
    return function( dataTypeExpression, func ) {

      if ( typeof dataTypeExpression !== "string" ) {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
        i = 0,
        dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];

      if ( isFunction( func ) ) {

        // For each dataType in the dataTypeExpression
        while ( ( dataType = dataTypes[ i++ ] ) ) {

          // Prepend if requested
          if ( dataType[ 0 ] === "+" ) {
            dataType = dataType.slice( 1 ) || "*";
            ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );

            // Otherwise append
          } else {
            ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
          }
        }
      }
    };
  }

// Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

    var inspected = {},
      seekingTransport = ( structure === transports );

    function inspect( dataType ) {
      var selected;
      inspected[ dataType ] = true;
      jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
        var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
        if ( typeof dataTypeOrTransport === "string" &&
          !seekingTransport && !inspected[ dataTypeOrTransport ] ) {

          options.dataTypes.unshift( dataTypeOrTransport );
          inspect( dataTypeOrTransport );
          return false;
        } else if ( seekingTransport ) {
          return !( selected = dataTypeOrTransport );
        }
      } );
      return selected;
    }

    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
  function ajaxExtend( target, src ) {
    var key, deep,
      flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for ( key in src ) {
      if ( src[ key ] !== undefined ) {
        ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
      }
    }
    if ( deep ) {
      jQuery.extend( true, target, deep );
    }

    return target;
  }

  /* Handles responses to an ajax request:
 * - finds the right dataType (mediates between content-type and expected dataType)
 * - returns the corresponding response
 */
  function ajaxHandleResponses( s, jqXHR, responses ) {

    var ct, type, finalDataType, firstDataType,
      contents = s.contents,
      dataTypes = s.dataTypes;

    // Remove auto dataType and get content-type in the process
    while ( dataTypes[ 0 ] === "*" ) {
      dataTypes.shift();
      if ( ct === undefined ) {
        ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
      }
    }

    // Check if we're dealing with a known content-type
    if ( ct ) {
      for ( type in contents ) {
        if ( contents[ type ] && contents[ type ].test( ct ) ) {
          dataTypes.unshift( type );
          break;
        }
      }
    }

    // Check to see if we have a response for the expected dataType
    if ( dataTypes[ 0 ] in responses ) {
      finalDataType = dataTypes[ 0 ];
    } else {

      // Try convertible dataTypes
      for ( type in responses ) {
        if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
          finalDataType = type;
          break;
        }
        if ( !firstDataType ) {
          firstDataType = type;
        }
      }

      // Or just use first one
      finalDataType = finalDataType || firstDataType;
    }

    // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response
    if ( finalDataType ) {
      if ( finalDataType !== dataTypes[ 0 ] ) {
        dataTypes.unshift( finalDataType );
      }
      return responses[ finalDataType ];
    }
  }

  /* Chain conversions given the request and the original response
 * Also sets the responseXXX fields on the jqXHR instance
 */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
    var conv2, current, conv, tmp, prev,
      converters = {},

      // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice();

    // Create converters map with lowercased keys
    if ( dataTypes[ 1 ] ) {
      for ( conv in s.converters ) {
        converters[ conv.toLowerCase() ] = s.converters[ conv ];
      }
    }

    current = dataTypes.shift();

    // Convert to each sequential dataType
    while ( current ) {

      if ( s.responseFields[ current ] ) {
        jqXHR[ s.responseFields[ current ] ] = response;
      }

      // Apply the dataFilter if provided
      if ( !prev && isSuccess && s.dataFilter ) {
        response = s.dataFilter( response, s.dataType );
      }

      prev = current;
      current = dataTypes.shift();

      if ( current ) {

        // There's only work to do if current dataType is non-auto
        if ( current === "*" ) {

          current = prev;

          // Convert response if prev dataType is non-auto and differs from current
        } else if ( prev !== "*" && prev !== current ) {

          // Seek a direct converter
          conv = converters[ prev + " " + current ] || converters[ "* " + current ];

          // If none found, seek a pair
          if ( !conv ) {
            for ( conv2 in converters ) {

              // If conv2 outputs current
              tmp = conv2.split( " " );
              if ( tmp[ 1 ] === current ) {

                // If prev can be converted to accepted input
                conv = converters[ prev + " " + tmp[ 0 ] ] ||
                  converters[ "* " + tmp[ 0 ] ];
                if ( conv ) {

                  // Condense equivalence converters
                  if ( conv === true ) {
                    conv = converters[ conv2 ];

                    // Otherwise, insert the intermediate dataType
                  } else if ( converters[ conv2 ] !== true ) {
                    current = tmp[ 0 ];
                    dataTypes.unshift( tmp[ 1 ] );
                  }
                  break;
                }
              }
            }
          }

          // Apply converter (if not an equivalence)
          if ( conv !== true ) {

            // Unless errors are allowed to bubble, catch and return them
            if ( conv && s.throws ) {
              response = conv( response );
            } else {
              try {
                response = conv( response );
              } catch ( e ) {
                return {
                  state: "parsererror",
                  error: conv ? e : "No conversion from " + prev + " to " + current
                };
              }
            }
          }
        }
      }
    }

    return { state: "success", data: response };
  }

  jQuery.extend( {

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},

    ajaxSettings: {
      url: location.href,
      type: "GET",
      isLocal: rlocalProtocol.test( location.protocol ),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",

      /*
		timeout: 0,
		data: null,
		dataType: null,
		username: null,
		password: null,
		cache: null,
		throws: false,
		traditional: false,
		headers: {},
		*/

      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },

      contents: {
        xml: /\bxml\b/,
        html: /\bhtml/,
        json: /\bjson\b/
      },

      responseFields: {
        xml: "responseXML",
        text: "responseText",
        json: "responseJSON"
      },

      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {

        // Convert anything to text
        "* text": String,

        // Text to html (true = no transformation)
        "text html": true,

        // Evaluate text as a json expression
        "text json": JSON.parse,

        // Parse text as xml
        "text xml": jQuery.parseXML
      },

      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },

    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function( target, settings ) {
      return settings ?

        // Building a settings object
        ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :

        // Extending ajaxSettings
        ajaxExtend( jQuery.ajaxSettings, target );
    },

    ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
    ajaxTransport: addToPrefiltersOrTransports( transports ),

    // Main method
    ajax: function( url, options ) {

      // If url is an object, simulate pre-1.5 signature
      if ( typeof url === "object" ) {
        options = url;
        url = undefined;
      }

      // Force options to be an object
      options = options || {};

      var transport,

        // URL without anti-cache param
        cacheURL,

        // Response headers
        responseHeadersString,
        responseHeaders,

        // timeout handle
        timeoutTimer,

        // Url cleanup var
        urlAnchor,

        // Request state (becomes false upon send and true upon completion)
        completed,

        // To know if global events are to be dispatched
        fireGlobals,

        // Loop variable
        i,

        // uncached part of the url
        uncached,

        // Create the final options object
        s = jQuery.ajaxSetup( {}, options ),

        // Callbacks context
        callbackContext = s.context || s,

        // Context for global events is callbackContext if it is a DOM node or jQuery collection
        globalEventContext = s.context &&
        ( callbackContext.nodeType || callbackContext.jquery ) ?
          jQuery( callbackContext ) :
          jQuery.event,

        // Deferreds
        deferred = jQuery.Deferred(),
        completeDeferred = jQuery.Callbacks( "once memory" ),

        // Status-dependent callbacks
        statusCode = s.statusCode || {},

        // Headers (they are sent all at once)
        requestHeaders = {},
        requestHeadersNames = {},

        // Default abort message
        strAbort = "canceled",

        // Fake xhr
        jqXHR = {
          readyState: 0,

          // Builds headers hashtable if needed
          getResponseHeader: function( key ) {
            var match;
            if ( completed ) {
              if ( !responseHeaders ) {
                responseHeaders = {};
                while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
                  responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
                    ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
                      .concat( match[ 2 ] );
                }
              }
              match = responseHeaders[ key.toLowerCase() + " " ];
            }
            return match == null ? null : match.join( ", " );
          },

          // Raw string
          getAllResponseHeaders: function() {
            return completed ? responseHeadersString : null;
          },

          // Caches the header
          setRequestHeader: function( name, value ) {
            if ( completed == null ) {
              name = requestHeadersNames[ name.toLowerCase() ] =
                requestHeadersNames[ name.toLowerCase() ] || name;
              requestHeaders[ name ] = value;
            }
            return this;
          },

          // Overrides response content-type header
          overrideMimeType: function( type ) {
            if ( completed == null ) {
              s.mimeType = type;
            }
            return this;
          },

          // Status-dependent callbacks
          statusCode: function( map ) {
            var code;
            if ( map ) {
              if ( completed ) {

                // Execute the appropriate callbacks
                jqXHR.always( map[ jqXHR.status ] );
              } else {

                // Lazy-add the new callbacks in a way that preserves old ones
                for ( code in map ) {
                  statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                }
              }
            }
            return this;
          },

          // Cancel the request
          abort: function( statusText ) {
            var finalText = statusText || strAbort;
            if ( transport ) {
              transport.abort( finalText );
            }
            done( 0, finalText );
            return this;
          }
        };

      // Attach deferreds
      deferred.promise( jqXHR );

      // Add protocol if not provided (prefilters might expect it)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available
      s.url = ( ( url || s.url || location.href ) + "" )
        .replace( rprotocol, location.protocol + "//" );

      // Alias method option to type as per ticket #12004
      s.type = options.method || options.type || s.method || s.type;

      // Extract dataTypes list
      s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];

      // A cross-domain request is in order when the origin doesn't match the current origin.
      if ( s.crossDomain == null ) {
        urlAnchor = document.createElement( "a" );

        // Support: IE <=8 - 11, Edge 12 - 15
        // IE throws exception on accessing the href property if url is malformed,
        // e.g. http://example.com:80x/
        try {
          urlAnchor.href = s.url;

          // Support: IE <=8 - 11 only
          // Anchor's host property isn't correctly set when s.url is relative
          urlAnchor.href = urlAnchor.href;
          s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
            urlAnchor.protocol + "//" + urlAnchor.host;
        } catch ( e ) {

          // If there is an error parsing the URL, assume it is crossDomain,
          // it can be rejected by the transport if it is invalid
          s.crossDomain = true;
        }
      }

      // Convert data if not already a string
      if ( s.data && s.processData && typeof s.data !== "string" ) {
        s.data = jQuery.param( s.data, s.traditional );
      }

      // Apply prefilters
      inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

      // If request was aborted inside a prefilter, stop there
      if ( completed ) {
        return jqXHR;
      }

      // We can fire global events as of now if asked to
      // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
      fireGlobals = jQuery.event && s.global;

      // Watch for a new set of requests
      if ( fireGlobals && jQuery.active++ === 0 ) {
        jQuery.event.trigger( "ajaxStart" );
      }

      // Uppercase the type
      s.type = s.type.toUpperCase();

      // Determine if request has content
      s.hasContent = !rnoContent.test( s.type );

      // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      // Remove hash to simplify url manipulation
      cacheURL = s.url.replace( rhash, "" );

      // More options handling for requests with no content
      if ( !s.hasContent ) {

        // Remember the hash so we can put it back
        uncached = s.url.slice( cacheURL.length );

        // If data is available and should be processed, append data to url
        if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
          cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;

          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }

        // Add or update anti-cache param if needed
        if ( s.cache === false ) {
          cacheURL = cacheURL.replace( rantiCache, "$1" );
          uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
        }

        // Put hash and anti-cache on the URL that will be requested (gh-1732)
        s.url = cacheURL + uncached;

        // Change '%20' to '+' if this is encoded form body content (gh-2658)
      } else if ( s.data && s.processData &&
        ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
        s.data = s.data.replace( r20, "+" );
      }

      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if ( s.ifModified ) {
        if ( jQuery.lastModified[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
        }
        if ( jQuery.etag[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
        }
      }

      // Set the correct header, if data is being sent
      if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
        jqXHR.setRequestHeader( "Content-Type", s.contentType );
      }

      // Set the Accepts header for the server, depending on the dataType
      jqXHR.setRequestHeader(
        "Accept",
        s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
          s.accepts[ s.dataTypes[ 0 ] ] +
          ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
          s.accepts[ "*" ]
      );

      // Check for headers option
      for ( i in s.headers ) {
        jqXHR.setRequestHeader( i, s.headers[ i ] );
      }

      // Allow custom headers/mimetypes and early abort
      if ( s.beforeSend &&
        ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {

        // Abort if not done already and return
        return jqXHR.abort();
      }

      // Aborting is no longer a cancellation
      strAbort = "abort";

      // Install callbacks on deferreds
      completeDeferred.add( s.complete );
      jqXHR.done( s.success );
      jqXHR.fail( s.error );

      // Get transport
      transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

      // If no transport, we auto-abort
      if ( !transport ) {
        done( -1, "No Transport" );
      } else {
        jqXHR.readyState = 1;

        // Send global event
        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
        }

        // If request was aborted inside ajaxSend, stop there
        if ( completed ) {
          return jqXHR;
        }

        // Timeout
        if ( s.async && s.timeout > 0 ) {
          timeoutTimer = window.setTimeout( function() {
            jqXHR.abort( "timeout" );
          }, s.timeout );
        }

        try {
          completed = false;
          transport.send( requestHeaders, done );
        } catch ( e ) {

          // Rethrow post-completion exceptions
          if ( completed ) {
            throw e;
          }

          // Propagate others as results
          done( -1, e );
        }
      }

      // Callback for when everything is done
      function done( status, nativeStatusText, responses, headers ) {
        var isSuccess, success, error, response, modified,
          statusText = nativeStatusText;

        // Ignore repeat invocations
        if ( completed ) {
          return;
        }

        completed = true;

        // Clear timeout if it exists
        if ( timeoutTimer ) {
          window.clearTimeout( timeoutTimer );
        }

        // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)
        transport = undefined;

        // Cache response headers
        responseHeadersString = headers || "";

        // Set readyState
        jqXHR.readyState = status > 0 ? 4 : 0;

        // Determine if successful
        isSuccess = status >= 200 && status < 300 || status === 304;

        // Get response data
        if ( responses ) {
          response = ajaxHandleResponses( s, jqXHR, responses );
        }

        // Convert no matter what (that way responseXXX fields are always set)
        response = ajaxConvert( s, response, jqXHR, isSuccess );

        // If successful, handle type chaining
        if ( isSuccess ) {

          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if ( s.ifModified ) {
            modified = jqXHR.getResponseHeader( "Last-Modified" );
            if ( modified ) {
              jQuery.lastModified[ cacheURL ] = modified;
            }
            modified = jqXHR.getResponseHeader( "etag" );
            if ( modified ) {
              jQuery.etag[ cacheURL ] = modified;
            }
          }

          // if no content
          if ( status === 204 || s.type === "HEAD" ) {
            statusText = "nocontent";

            // if not modified
          } else if ( status === 304 ) {
            statusText = "notmodified";

            // If we have data, let's convert it
          } else {
            statusText = response.state;
            success = response.data;
            error = response.error;
            isSuccess = !error;
          }
        } else {

          // Extract error from statusText and normalize for non-aborts
          error = statusText;
          if ( status || !statusText ) {
            statusText = "error";
            if ( status < 0 ) {
              status = 0;
            }
          }
        }

        // Set data for the fake xhr object
        jqXHR.status = status;
        jqXHR.statusText = ( nativeStatusText || statusText ) + "";

        // Success/Error
        if ( isSuccess ) {
          deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
        } else {
          deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
        }

        // Status-dependent callbacks
        jqXHR.statusCode( statusCode );
        statusCode = undefined;

        if ( fireGlobals ) {
          globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
            [ jqXHR, s, isSuccess ? success : error ] );
        }

        // Complete
        completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );

          // Handle the global AJAX counter
          if ( !( --jQuery.active ) ) {
            jQuery.event.trigger( "ajaxStop" );
          }
        }
      }

      return jqXHR;
    },

    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    },

    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    }
  } );

  jQuery.each( [ "get", "post" ], function( i, method ) {
    jQuery[ method ] = function( url, data, callback, type ) {

      // Shift arguments if data argument was omitted
      if ( isFunction( data ) ) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      // The url can be an options object (which then must have .url)
      return jQuery.ajax( jQuery.extend( {
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      }, jQuery.isPlainObject( url ) && url ) );
    };
  } );


  jQuery._evalUrl = function( url, options ) {
    return jQuery.ajax( {
      url: url,

      // Make this explicit, since user can override this through ajaxSetup (#11264)
      type: "GET",
      dataType: "script",
      cache: true,
      async: false,
      global: false,

      // Only evaluate the response if it is successful (gh-4126)
      // dataFilter is not invoked for failure responses, so using it instead
      // of the default converter is kludgy but it works.
      converters: {
        "text script": function() {}
      },
      dataFilter: function( response ) {
        jQuery.globalEval( response, options );
      }
    } );
  };


  jQuery.fn.extend( {
    wrapAll: function( html ) {
      var wrap;

      if ( this[ 0 ] ) {
        if ( isFunction( html ) ) {
          html = html.call( this[ 0 ] );
        }

        // The elements to wrap the target around
        wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );

        if ( this[ 0 ].parentNode ) {
          wrap.insertBefore( this[ 0 ] );
        }

        wrap.map( function() {
          var elem = this;

          while ( elem.firstElementChild ) {
            elem = elem.firstElementChild;
          }

          return elem;
        } ).append( this );
      }

      return this;
    },

    wrapInner: function( html ) {
      if ( isFunction( html ) ) {
        return this.each( function( i ) {
          jQuery( this ).wrapInner( html.call( this, i ) );
        } );
      }

      return this.each( function() {
        var self = jQuery( this ),
          contents = self.contents();

        if ( contents.length ) {
          contents.wrapAll( html );

        } else {
          self.append( html );
        }
      } );
    },

    wrap: function( html ) {
      var htmlIsFunction = isFunction( html );

      return this.each( function( i ) {
        jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
      } );
    },

    unwrap: function( selector ) {
      this.parent( selector ).not( "body" ).each( function() {
        jQuery( this ).replaceWith( this.childNodes );
      } );
      return this;
    }
  } );


  jQuery.expr.pseudos.hidden = function( elem ) {
    return !jQuery.expr.pseudos.visible( elem );
  };
  jQuery.expr.pseudos.visible = function( elem ) {
    return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
  };




  jQuery.ajaxSettings.xhr = function() {
    try {
      return new window.XMLHttpRequest();
    } catch ( e ) {}
  };

  var xhrSuccessStatus = {

      // File protocol always yields status code 0, assume 200
      0: 200,

      // Support: IE <=9 only
      // #1450: sometimes IE returns 1223 when it should be 204
      1223: 204
    },
    xhrSupported = jQuery.ajaxSettings.xhr();

  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;

  jQuery.ajaxTransport( function( options ) {
    var callback, errorCallback;

    // Cross domain only allowed if supported through XMLHttpRequest
    if ( support.cors || xhrSupported && !options.crossDomain ) {
      return {
        send: function( headers, complete ) {
          var i,
            xhr = options.xhr();

          xhr.open(
            options.type,
            options.url,
            options.async,
            options.username,
            options.password
          );

          // Apply custom fields if provided
          if ( options.xhrFields ) {
            for ( i in options.xhrFields ) {
              xhr[ i ] = options.xhrFields[ i ];
            }
          }

          // Override mime type if needed
          if ( options.mimeType && xhr.overrideMimeType ) {
            xhr.overrideMimeType( options.mimeType );
          }

          // X-Requested-With header
          // For cross-domain requests, seeing as conditions for a preflight are
          // akin to a jigsaw puzzle, we simply never set it to be sure.
          // (it can always be set on a per-request basis or even using ajaxSetup)
          // For same-domain requests, won't change header if already provided.
          if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
            headers[ "X-Requested-With" ] = "XMLHttpRequest";
          }

          // Set headers
          for ( i in headers ) {
            xhr.setRequestHeader( i, headers[ i ] );
          }

          // Callback
          callback = function( type ) {
            return function() {
              if ( callback ) {
                callback = errorCallback = xhr.onload =
                  xhr.onerror = xhr.onabort = xhr.ontimeout =
                    xhr.onreadystatechange = null;

                if ( type === "abort" ) {
                  xhr.abort();
                } else if ( type === "error" ) {

                  // Support: IE <=9 only
                  // On a manual native abort, IE9 throws
                  // errors on any property access that is not readyState
                  if ( typeof xhr.status !== "number" ) {
                    complete( 0, "error" );
                  } else {
                    complete(

                      // File: protocol always yields status 0; see #8605, #14207
                      xhr.status,
                      xhr.statusText
                    );
                  }
                } else {
                  complete(
                    xhrSuccessStatus[ xhr.status ] || xhr.status,
                    xhr.statusText,

                    // Support: IE <=9 only
                    // IE9 has no XHR2 but throws on binary (trac-11426)
                    // For XHR2 non-text, let the caller handle it (gh-2498)
                    ( xhr.responseType || "text" ) !== "text"  ||
                    typeof xhr.responseText !== "string" ?
                      { binary: xhr.response } :
                      { text: xhr.responseText },
                    xhr.getAllResponseHeaders()
                  );
                }
              }
            };
          };

          // Listen to events
          xhr.onload = callback();
          errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );

          // Support: IE 9 only
          // Use onreadystatechange to replace onabort
          // to handle uncaught aborts
          if ( xhr.onabort !== undefined ) {
            xhr.onabort = errorCallback;
          } else {
            xhr.onreadystatechange = function() {

              // Check readyState before timeout as it changes
              if ( xhr.readyState === 4 ) {

                // Allow onerror to be called first,
                // but that will not handle a native abort
                // Also, save errorCallback to a variable
                // as xhr.onerror cannot be accessed
                window.setTimeout( function() {
                  if ( callback ) {
                    errorCallback();
                  }
                } );
              }
            };
          }

          // Create the abort callback
          callback = callback( "abort" );

          try {

            // Do send the request (this may raise an exception)
            xhr.send( options.hasContent && options.data || null );
          } catch ( e ) {

            // #14683: Only rethrow if this hasn't been notified as an error yet
            if ( callback ) {
              throw e;
            }
          }
        },

        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );




// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
  jQuery.ajaxPrefilter( function( s ) {
    if ( s.crossDomain ) {
      s.contents.script = false;
    }
  } );

// Install script dataType
  jQuery.ajaxSetup( {
    accepts: {
      script: "text/javascript, application/javascript, " +
        "application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /\b(?:java|ecma)script\b/
    },
    converters: {
      "text script": function( text ) {
        jQuery.globalEval( text );
        return text;
      }
    }
  } );

// Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
    if ( s.cache === undefined ) {
      s.cache = false;
    }
    if ( s.crossDomain ) {
      s.type = "GET";
    }
  } );

// Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {

    // This transport only deals with cross domain or forced-by-attrs requests
    if ( s.crossDomain || s.scriptAttrs ) {
      var script, callback;
      return {
        send: function( _, complete ) {
          script = jQuery( "<script>" )
            .attr( s.scriptAttrs || {} )
            .prop( { charset: s.scriptCharset, src: s.url } )
            .on( "load error", callback = function( evt ) {
              script.remove();
              callback = null;
              if ( evt ) {
                complete( evt.type === "error" ? 404 : 200, evt.type );
              }
            } );

          // Use native DOM manipulation to avoid our domManip AJAX trickery
          document.head.appendChild( script[ 0 ] );
        },
        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );




  var oldCallbacks = [],
    rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings
  jQuery.ajaxSetup( {
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
      this[ callback ] = true;
      return callback;
    }
  } );

// Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

    var callbackName, overwritten, responseContainer,
      jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
          "url" :
          typeof s.data === "string" &&
          ( s.contentType || "" )
            .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
          rjsonp.test( s.data ) && "data"
      );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
        s.jsonpCallback() :
        s.jsonpCallback;

      // Insert callback into url or form data
      if ( jsonProp ) {
        s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
      } else if ( s.jsonp !== false ) {
        s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
      }

      // Use data converter to retrieve json after script execution
      s.converters[ "script json" ] = function() {
        if ( !responseContainer ) {
          jQuery.error( callbackName + " was not called" );
        }
        return responseContainer[ 0 ];
      };

      // Force json dataType
      s.dataTypes[ 0 ] = "json";

      // Install callback
      overwritten = window[ callbackName ];
      window[ callbackName ] = function() {
        responseContainer = arguments;
      };

      // Clean-up function (fires after converters)
      jqXHR.always( function() {

        // If previous value didn't exist - remove it
        if ( overwritten === undefined ) {
          jQuery( window ).removeProp( callbackName );

          // Otherwise restore preexisting value
        } else {
          window[ callbackName ] = overwritten;
        }

        // Save back as free
        if ( s[ callbackName ] ) {

          // Make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback;

          // Save the callback name for future use
          oldCallbacks.push( callbackName );
        }

        // Call if it was a function and we have a response
        if ( responseContainer && isFunction( overwritten ) ) {
          overwritten( responseContainer[ 0 ] );
        }

        responseContainer = overwritten = undefined;
      } );

      // Delegate to script
      return "script";
    }
  } );




// Support: Safari 8 only
// In Safari 8 documents created via document.implementation.createHTMLDocument
// collapse sibling forms: the second one becomes a child of the first one.
// Because of that, this security measure has to be disabled in Safari 8.
// https://bugs.webkit.org/show_bug.cgi?id=137337
  support.createHTMLDocument = ( function() {
    var body = document.implementation.createHTMLDocument( "" ).body;
    body.innerHTML = "<form></form><form></form>";
    return body.childNodes.length === 2;
  } )();


// Argument "data" should be string of html
// context (optional): If specified, the fragment will be created in this context,
// defaults to document
// keepScripts (optional): If true, will include scripts passed in the html string
  jQuery.parseHTML = function( data, context, keepScripts ) {
    if ( typeof data !== "string" ) {
      return [];
    }
    if ( typeof context === "boolean" ) {
      keepScripts = context;
      context = false;
    }

    var base, parsed, scripts;

    if ( !context ) {

      // Stop scripts or inline event handlers from being executed immediately
      // by using document.implementation
      if ( support.createHTMLDocument ) {
        context = document.implementation.createHTMLDocument( "" );

        // Set the base href for the created document
        // so any parsed elements with URLs
        // are based on the document's URL (gh-2965)
        base = context.createElement( "base" );
        base.href = document.location.href;
        context.head.appendChild( base );
      } else {
        context = document;
      }
    }

    parsed = rsingleTag.exec( data );
    scripts = !keepScripts && [];

    // Single tag
    if ( parsed ) {
      return [ context.createElement( parsed[ 1 ] ) ];
    }

    parsed = buildFragment( [ data ], context, scripts );

    if ( scripts && scripts.length ) {
      jQuery( scripts ).remove();
    }

    return jQuery.merge( [], parsed.childNodes );
  };


  /**
   * Load a url into a page
   */
  jQuery.fn.load = function( url, params, callback ) {
    var selector, type, response,
      self = this,
      off = url.indexOf( " " );

    if ( off > -1 ) {
      selector = stripAndCollapse( url.slice( off ) );
      url = url.slice( 0, off );
    }

    // If it's a function
    if ( isFunction( params ) ) {

      // We assume that it's the callback
      callback = params;
      params = undefined;

      // Otherwise, build a param string
    } else if ( params && typeof params === "object" ) {
      type = "POST";
    }

    // If we have elements to modify, make the request
    if ( self.length > 0 ) {
      jQuery.ajax( {
        url: url,

        // If "type" variable is undefined, then "GET" method will be used.
        // Make value of this field explicit since
        // user can override it through ajaxSetup method
        type: type || "GET",
        dataType: "html",
        data: params
      } ).done( function( responseText ) {

        // Save response for use in complete callback
        response = arguments;

        self.html( selector ?

          // If a selector was specified, locate the right elements in a dummy div
          // Exclude scripts to avoid IE 'Permission Denied' errors
          jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :

          // Otherwise use the full result
          responseText );

        // If the request succeeds, this function gets "data", "status", "jqXHR"
        // but they are ignored because response was set above.
        // If it fails, this function gets "jqXHR", "status", "error"
      } ).always( callback && function( jqXHR, status ) {
        self.each( function() {
          callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
        } );
      } );
    }

    return this;
  };




// Attach a bunch of functions for handling common AJAX events
  jQuery.each( [
    "ajaxStart",
    "ajaxStop",
    "ajaxComplete",
    "ajaxError",
    "ajaxSuccess",
    "ajaxSend"
  ], function( i, type ) {
    jQuery.fn[ type ] = function( fn ) {
      return this.on( type, fn );
    };
  } );




  jQuery.expr.pseudos.animated = function( elem ) {
    return jQuery.grep( jQuery.timers, function( fn ) {
      return elem === fn.elem;
    } ).length;
  };




  jQuery.offset = {
    setOffset: function( elem, options, i ) {
      var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
        position = jQuery.css( elem, "position" ),
        curElem = jQuery( elem ),
        props = {};

      // Set position first, in-case top/left are set even on static elem
      if ( position === "static" ) {
        elem.style.position = "relative";
      }

      curOffset = curElem.offset();
      curCSSTop = jQuery.css( elem, "top" );
      curCSSLeft = jQuery.css( elem, "left" );
      calculatePosition = ( position === "absolute" || position === "fixed" ) &&
        ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;

      // Need to be able to calculate position if either
      // top or left is auto and position is either absolute or fixed
      if ( calculatePosition ) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;

      } else {
        curTop = parseFloat( curCSSTop ) || 0;
        curLeft = parseFloat( curCSSLeft ) || 0;
      }

      if ( isFunction( options ) ) {

        // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
        options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
      }

      if ( options.top != null ) {
        props.top = ( options.top - curOffset.top ) + curTop;
      }
      if ( options.left != null ) {
        props.left = ( options.left - curOffset.left ) + curLeft;
      }

      if ( "using" in options ) {
        options.using.call( elem, props );

      } else {
        curElem.css( props );
      }
    }
  };

  jQuery.fn.extend( {

    // offset() relates an element's border box to the document origin
    offset: function( options ) {

      // Preserve chaining for setter
      if ( arguments.length ) {
        return options === undefined ?
          this :
          this.each( function( i ) {
            jQuery.offset.setOffset( this, options, i );
          } );
      }

      var rect, win,
        elem = this[ 0 ];

      if ( !elem ) {
        return;
      }

      // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
      // Support: IE <=11 only
      // Running getBoundingClientRect on a
      // disconnected node in IE throws an error
      if ( !elem.getClientRects().length ) {
        return { top: 0, left: 0 };
      }

      // Get document-relative position by adding viewport scroll to viewport-relative gBCR
      rect = elem.getBoundingClientRect();
      win = elem.ownerDocument.defaultView;
      return {
        top: rect.top + win.pageYOffset,
        left: rect.left + win.pageXOffset
      };
    },

    // position() relates an element's margin box to its offset parent's padding box
    // This corresponds to the behavior of CSS absolute positioning
    position: function() {
      if ( !this[ 0 ] ) {
        return;
      }

      var offsetParent, offset, doc,
        elem = this[ 0 ],
        parentOffset = { top: 0, left: 0 };

      // position:fixed elements are offset from the viewport, which itself always has zero offset
      if ( jQuery.css( elem, "position" ) === "fixed" ) {

        // Assume position:fixed implies availability of getBoundingClientRect
        offset = elem.getBoundingClientRect();

      } else {
        offset = this.offset();

        // Account for the *real* offset parent, which can be the document or its root element
        // when a statically positioned element is identified
        doc = elem.ownerDocument;
        offsetParent = elem.offsetParent || doc.documentElement;
        while ( offsetParent &&
        ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
        jQuery.css( offsetParent, "position" ) === "static" ) {

          offsetParent = offsetParent.parentNode;
        }
        if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {

          // Incorporate borders into its offset, since they are outside its content origin
          parentOffset = jQuery( offsetParent ).offset();
          parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
          parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
        }
      }

      // Subtract parent offsets and element margins
      return {
        top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
        left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
      };
    },

    // This method will return documentElement in the following cases:
    // 1) For the element inside the iframe without offsetParent, this method will return
    //    documentElement of the parent window
    // 2) For the hidden or detached element
    // 3) For body or html element, i.e. in case of the html node - it will return itself
    //
    // but those exceptions were never presented as a real life use-cases
    // and might be considered as more preferable results.
    //
    // This logic, however, is not guaranteed and can change at any point in the future
    offsetParent: function() {
      return this.map( function() {
        var offsetParent = this.offsetParent;

        while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
          offsetParent = offsetParent.offsetParent;
        }

        return offsetParent || documentElement;
      } );
    }
  } );

// Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
    var top = "pageYOffset" === prop;

    jQuery.fn[ method ] = function( val ) {
      return access( this, function( elem, method, val ) {

        // Coalesce documents and windows
        var win;
        if ( isWindow( elem ) ) {
          win = elem;
        } else if ( elem.nodeType === 9 ) {
          win = elem.defaultView;
        }

        if ( val === undefined ) {
          return win ? win[ prop ] : elem[ method ];
        }

        if ( win ) {
          win.scrollTo(
            !top ? val : win.pageXOffset,
            top ? val : win.pageYOffset
          );

        } else {
          elem[ method ] = val;
        }
      }, method, val, arguments.length );
    };
  } );

// Support: Safari <=7 - 9.1, Chrome <=37 - 49
// Add the top/left cssHooks using jQuery.fn.position
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
// getComputedStyle returns percent when specified for top/left/bottom/right;
// rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
    jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
      function( elem, computed ) {
        if ( computed ) {
          computed = curCSS( elem, prop );

          // If curCSS returns percentage, fallback to offset
          return rnumnonpx.test( computed ) ?
            jQuery( elem ).position()[ prop ] + "px" :
            computed;
        }
      }
    );
  } );


// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
      function( defaultExtra, funcName ) {

        // Margin is only for outerHeight, outerWidth
        jQuery.fn[ funcName ] = function( margin, value ) {
          var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
            extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

          return access( this, function( elem, type, value ) {
            var doc;

            if ( isWindow( elem ) ) {

              // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
              return funcName.indexOf( "outer" ) === 0 ?
                elem[ "inner" + name ] :
                elem.document.documentElement[ "client" + name ];
            }

            // Get document width or height
            if ( elem.nodeType === 9 ) {
              doc = elem.documentElement;

              // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
              // whichever is greatest
              return Math.max(
                elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                elem.body[ "offset" + name ], doc[ "offset" + name ],
                doc[ "client" + name ]
              );
            }

            return value === undefined ?

              // Get width or height on the element, requesting but not forcing parseFloat
              jQuery.css( elem, type, extra ) :

              // Set width or height on the element
              jQuery.style( elem, type, value, extra );
          }, type, chainable ? margin : undefined, chainable );
        };
      } );
  } );


  jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
    "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
    "change select submit keydown keypress keyup contextmenu" ).split( " " ),
    function( i, name ) {

      // Handle event binding
      jQuery.fn[ name ] = function( data, fn ) {
        return arguments.length > 0 ?
          this.on( name, null, data, fn ) :
          this.trigger( name );
      };
    } );

  jQuery.fn.extend( {
    hover: function( fnOver, fnOut ) {
      return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
    }
  } );




  jQuery.fn.extend( {

    bind: function( types, data, fn ) {
      return this.on( types, null, data, fn );
    },
    unbind: function( types, fn ) {
      return this.off( types, null, fn );
    },

    delegate: function( selector, types, data, fn ) {
      return this.on( types, selector, data, fn );
    },
    undelegate: function( selector, types, fn ) {

      // ( namespace ) or ( selector, types [, fn] )
      return arguments.length === 1 ?
        this.off( selector, "**" ) :
        this.off( types, selector || "**", fn );
    }
  } );

// Bind a function to a context, optionally partially applying any
// arguments.
// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
// However, it is not slated for removal any time soon
  jQuery.proxy = function( fn, context ) {
    var tmp, args, proxy;

    if ( typeof context === "string" ) {
      tmp = fn[ context ];
      context = fn;
      fn = tmp;
    }

    // Quick check to determine if target is callable, in the spec
    // this throws a TypeError, but we will just return undefined.
    if ( !isFunction( fn ) ) {
      return undefined;
    }

    // Simulated bind
    args = slice.call( arguments, 2 );
    proxy = function() {
      return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
    };

    // Set the guid of unique handler to the same of original handler, so it can be removed
    proxy.guid = fn.guid = fn.guid || jQuery.guid++;

    return proxy;
  };

  jQuery.holdReady = function( hold ) {
    if ( hold ) {
      jQuery.readyWait++;
    } else {
      jQuery.ready( true );
    }
  };
  jQuery.isArray = Array.isArray;
  jQuery.parseJSON = JSON.parse;
  jQuery.nodeName = nodeName;
  jQuery.isFunction = isFunction;
  jQuery.isWindow = isWindow;
  jQuery.camelCase = camelCase;
  jQuery.type = toType;

  jQuery.now = Date.now;

  jQuery.isNumeric = function( obj ) {

    // As of jQuery 3.0, isNumeric is limited to
    // strings and numbers (primitives or objects)
    // that can be coerced to finite numbers (gh-2662)
    var type = jQuery.type( obj );
    return ( type === "number" || type === "string" ) &&

      // parseFloat NaNs numeric-cast false positives ("")
      // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
      // subtraction forces infinities to NaN
      !isNaN( obj - parseFloat( obj ) );
  };




// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.

// Note that for maximum portability, libraries that are not jQuery should
// declare themselves as anonymous modules, and avoid setting a global if an
// AMD loader is present. jQuery is a special case. For more information, see
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon

  if ( typeof define === "function" && define.amd ) {
    define( "jquery", [], function() {
      return jQuery;
    } );
  }




  var

    // Map over jQuery in case of overwrite
    _jQuery = window.jQuery,

    // Map over the $ in case of overwrite
    _$ = window.$;

  jQuery.noConflict = function( deep ) {
    if ( window.$ === jQuery ) {
      window.$ = _$;
    }

    if ( deep && window.jQuery === jQuery ) {
      window.jQuery = _jQuery;
    }

    return jQuery;
  };

// Expose jQuery and $ identifiers, even in AMD
// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
// and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
    window.jQuery = window.$ = jQuery;
  }




  return jQuery;
} );
/**!
 * @fileOverview Kickass library to create and place poppers near their reference elements.
 * @version 1.14.5
 * @license
 * Copyright (c) 2016 Federico Zivolo and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
      (global.Popper = factory());
}(this, (function () { 'use strict';

  var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';

  var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
  var timeoutDuration = 0;
  for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
    if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
      timeoutDuration = 1;
      break;
    }
  }

  function microtaskDebounce(fn) {
    var called = false;
    return function () {
      if (called) {
        return;
      }
      called = true;
      window.Promise.resolve().then(function () {
        called = false;
        fn();
      });
    };
  }

  function taskDebounce(fn) {
    var scheduled = false;
    return function () {
      if (!scheduled) {
        scheduled = true;
        setTimeout(function () {
          scheduled = false;
          fn();
        }, timeoutDuration);
      }
    };
  }

  var supportsMicroTasks = isBrowser && window.Promise;

  /**
   * Create a debounced version of a method, that's asynchronously deferred
   * but called in the minimum time possible.
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Function} fn
   * @returns {Function}
   */
  var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;

  /**
   * Check if the given variable is a function
   * @method
   * @memberof Popper.Utils
   * @argument {Any} functionToCheck - variable to check
   * @returns {Boolean} answer to: is a function?
   */
  function isFunction(functionToCheck) {
    var getType = {};
    return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
  }

  /**
   * Get CSS computed property of the given element
   * @method
   * @memberof Popper.Utils
   * @argument {Eement} element
   * @argument {String} property
   */
  function getStyleComputedProperty(element, property) {
    if (element.nodeType !== 1) {
      return [];
    }
    // NOTE: 1 DOM access here
    var window = element.ownerDocument.defaultView;
    var css = window.getComputedStyle(element, null);
    return property ? css[property] : css;
  }

  /**
   * Returns the parentNode or the host of the element
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns {Element} parent
   */
  function getParentNode(element) {
    if (element.nodeName === 'HTML') {
      return element;
    }
    return element.parentNode || element.host;
  }

  /**
   * Returns the scrolling parent of the given element
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns {Element} scroll parent
   */
  function getScrollParent(element) {
    // Return body, `getScroll` will take care to get the correct `scrollTop` from it
    if (!element) {
      return document.body;
    }

    switch (element.nodeName) {
      case 'HTML':
      case 'BODY':
        return element.ownerDocument.body;
      case '#document':
        return element.body;
    }

    // Firefox want us to check `-x` and `-y` variations as well

    var _getStyleComputedProp = getStyleComputedProperty(element),
      overflow = _getStyleComputedProp.overflow,
      overflowX = _getStyleComputedProp.overflowX,
      overflowY = _getStyleComputedProp.overflowY;

    if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
      return element;
    }

    return getScrollParent(getParentNode(element));
  }

  var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
  var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);

  /**
   * Determines if the browser is Internet Explorer
   * @method
   * @memberof Popper.Utils
   * @param {Number} version to check
   * @returns {Boolean} isIE
   */
  function isIE(version) {
    if (version === 11) {
      return isIE11;
    }
    if (version === 10) {
      return isIE10;
    }
    return isIE11 || isIE10;
  }

  /**
   * Returns the offset parent of the given element
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns {Element} offset parent
   */
  function getOffsetParent(element) {
    if (!element) {
      return document.documentElement;
    }

    var noOffsetParent = isIE(10) ? document.body : null;

    // NOTE: 1 DOM access here
    var offsetParent = element.offsetParent || null;
    // Skip hidden elements which don't have an offsetParent
    while (offsetParent === noOffsetParent && element.nextElementSibling) {
      offsetParent = (element = element.nextElementSibling).offsetParent;
    }

    var nodeName = offsetParent && offsetParent.nodeName;

    if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
      return element ? element.ownerDocument.documentElement : document.documentElement;
    }

    // .offsetParent will return the closest TH, TD or TABLE in case
    // no offsetParent is present, I hate this job...
    if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
      return getOffsetParent(offsetParent);
    }

    return offsetParent;
  }

  function isOffsetContainer(element) {
    var nodeName = element.nodeName;

    if (nodeName === 'BODY') {
      return false;
    }
    return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
  }

  /**
   * Finds the root node (document, shadowDOM root) of the given element
   * @method
   * @memberof Popper.Utils
   * @argument {Element} node
   * @returns {Element} root node
   */
  function getRoot(node) {
    if (node.parentNode !== null) {
      return getRoot(node.parentNode);
    }

    return node;
  }

  /**
   * Finds the offset parent common to the two provided nodes
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element1
   * @argument {Element} element2
   * @returns {Element} common offset parent
   */
  function findCommonOffsetParent(element1, element2) {
    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
    if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
      return document.documentElement;
    }

    // Here we make sure to give as "start" the element that comes first in the DOM
    var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
    var start = order ? element1 : element2;
    var end = order ? element2 : element1;

    // Get common ancestor container
    var range = document.createRange();
    range.setStart(start, 0);
    range.setEnd(end, 0);
    var commonAncestorContainer = range.commonAncestorContainer;

    // Both nodes are inside #document

    if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
      if (isOffsetContainer(commonAncestorContainer)) {
        return commonAncestorContainer;
      }

      return getOffsetParent(commonAncestorContainer);
    }

    // one of the nodes is inside shadowDOM, find which one
    var element1root = getRoot(element1);
    if (element1root.host) {
      return findCommonOffsetParent(element1root.host, element2);
    } else {
      return findCommonOffsetParent(element1, getRoot(element2).host);
    }
  }

  /**
   * Gets the scroll value of the given element in the given side (top and left)
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @argument {String} side `top` or `left`
   * @returns {number} amount of scrolled pixels
   */
  function getScroll(element) {
    var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';

    var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
    var nodeName = element.nodeName;

    if (nodeName === 'BODY' || nodeName === 'HTML') {
      var html = element.ownerDocument.documentElement;
      var scrollingElement = element.ownerDocument.scrollingElement || html;
      return scrollingElement[upperSide];
    }

    return element[upperSide];
  }

  /*
 * Sum or subtract the element scroll values (left and top) from a given rect object
 * @method
 * @memberof Popper.Utils
 * @param {Object} rect - Rect object you want to change
 * @param {HTMLElement} element - The element from the function reads the scroll values
 * @param {Boolean} subtract - set to true if you want to subtract the scroll values
 * @return {Object} rect - The modifier rect object
 */
  function includeScroll(rect, element) {
    var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    var scrollTop = getScroll(element, 'top');
    var scrollLeft = getScroll(element, 'left');
    var modifier = subtract ? -1 : 1;
    rect.top += scrollTop * modifier;
    rect.bottom += scrollTop * modifier;
    rect.left += scrollLeft * modifier;
    rect.right += scrollLeft * modifier;
    return rect;
  }

  /*
 * Helper to detect borders of a given element
 * @method
 * @memberof Popper.Utils
 * @param {CSSStyleDeclaration} styles
 * Result of `getStyleComputedProperty` on the given element
 * @param {String} axis - `x` or `y`
 * @return {number} borders - The borders size of the given axis
 */

  function getBordersSize(styles, axis) {
    var sideA = axis === 'x' ? 'Left' : 'Top';
    var sideB = sideA === 'Left' ? 'Right' : 'Bottom';

    return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10);
  }

  function getSize(axis, body, html, computedStyle) {
    return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0);
  }

  function getWindowSizes(document) {
    var body = document.body;
    var html = document.documentElement;
    var computedStyle = isIE(10) && getComputedStyle(html);

    return {
      height: getSize('Height', body, html, computedStyle),
      width: getSize('Width', body, html, computedStyle)
    };
  }

  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };

  var createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();





  var defineProperty = function (obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  };

  var _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  /**
   * Given element offsets, generate an output similar to getBoundingClientRect
   * @method
   * @memberof Popper.Utils
   * @argument {Object} offsets
   * @returns {Object} ClientRect like output
   */
  function getClientRect(offsets) {
    return _extends({}, offsets, {
      right: offsets.left + offsets.width,
      bottom: offsets.top + offsets.height
    });
  }

  /**
   * Get bounding client rect of given element
   * @method
   * @memberof Popper.Utils
   * @param {HTMLElement} element
   * @return {Object} client rect
   */
  function getBoundingClientRect(element) {
    var rect = {};

    // IE10 10 FIX: Please, don't ask, the element isn't
    // considered in DOM in some circumstances...
    // This isn't reproducible in IE10 compatibility mode of IE11
    try {
      if (isIE(10)) {
        rect = element.getBoundingClientRect();
        var scrollTop = getScroll(element, 'top');
        var scrollLeft = getScroll(element, 'left');
        rect.top += scrollTop;
        rect.left += scrollLeft;
        rect.bottom += scrollTop;
        rect.right += scrollLeft;
      } else {
        rect = element.getBoundingClientRect();
      }
    } catch (e) {}

    var result = {
      left: rect.left,
      top: rect.top,
      width: rect.right - rect.left,
      height: rect.bottom - rect.top
    };

    // subtract scrollbar size from sizes
    var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
    var width = sizes.width || element.clientWidth || result.right - result.left;
    var height = sizes.height || element.clientHeight || result.bottom - result.top;

    var horizScrollbar = element.offsetWidth - width;
    var vertScrollbar = element.offsetHeight - height;

    // if an hypothetical scrollbar is detected, we must be sure it's not a `border`
    // we make this check conditional for performance reasons
    if (horizScrollbar || vertScrollbar) {
      var styles = getStyleComputedProperty(element);
      horizScrollbar -= getBordersSize(styles, 'x');
      vertScrollbar -= getBordersSize(styles, 'y');

      result.width -= horizScrollbar;
      result.height -= vertScrollbar;
    }

    return getClientRect(result);
  }

  function getOffsetRectRelativeToArbitraryNode(children, parent) {
    var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    var isIE10 = isIE(10);
    var isHTML = parent.nodeName === 'HTML';
    var childrenRect = getBoundingClientRect(children);
    var parentRect = getBoundingClientRect(parent);
    var scrollParent = getScrollParent(children);

    var styles = getStyleComputedProperty(parent);
    var borderTopWidth = parseFloat(styles.borderTopWidth, 10);
    var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10);

    // In cases where the parent is fixed, we must ignore negative scroll in offset calc
    if (fixedPosition && isHTML) {
      parentRect.top = Math.max(parentRect.top, 0);
      parentRect.left = Math.max(parentRect.left, 0);
    }
    var offsets = getClientRect({
      top: childrenRect.top - parentRect.top - borderTopWidth,
      left: childrenRect.left - parentRect.left - borderLeftWidth,
      width: childrenRect.width,
      height: childrenRect.height
    });
    offsets.marginTop = 0;
    offsets.marginLeft = 0;

    // Subtract margins of documentElement in case it's being used as parent
    // we do this only on HTML because it's the only element that behaves
    // differently when margins are applied to it. The margins are included in
    // the box of the documentElement, in the other cases not.
    if (!isIE10 && isHTML) {
      var marginTop = parseFloat(styles.marginTop, 10);
      var marginLeft = parseFloat(styles.marginLeft, 10);

      offsets.top -= borderTopWidth - marginTop;
      offsets.bottom -= borderTopWidth - marginTop;
      offsets.left -= borderLeftWidth - marginLeft;
      offsets.right -= borderLeftWidth - marginLeft;

      // Attach marginTop and marginLeft because in some circumstances we may need them
      offsets.marginTop = marginTop;
      offsets.marginLeft = marginLeft;
    }

    if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
      offsets = includeScroll(offsets, parent);
    }

    return offsets;
  }

  function getViewportOffsetRectRelativeToArtbitraryNode(element) {
    var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    var html = element.ownerDocument.documentElement;
    var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
    var width = Math.max(html.clientWidth, window.innerWidth || 0);
    var height = Math.max(html.clientHeight, window.innerHeight || 0);

    var scrollTop = !excludeScroll ? getScroll(html) : 0;
    var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;

    var offset = {
      top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
      left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
      width: width,
      height: height
    };

    return getClientRect(offset);
  }

  /**
   * Check if the given element is fixed or is inside a fixed parent
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @argument {Element} customContainer
   * @returns {Boolean} answer to "isFixed?"
   */
  function isFixed(element) {
    var nodeName = element.nodeName;
    if (nodeName === 'BODY' || nodeName === 'HTML') {
      return false;
    }
    if (getStyleComputedProperty(element, 'position') === 'fixed') {
      return true;
    }
    return isFixed(getParentNode(element));
  }

  /**
   * Finds the first parent of an element that has a transformed property defined
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns {Element} first transformed parent or documentElement
   */

  function getFixedPositionOffsetParent(element) {
    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
    if (!element || !element.parentElement || isIE()) {
      return document.documentElement;
    }
    var el = element.parentElement;
    while (el && getStyleComputedProperty(el, 'transform') === 'none') {
      el = el.parentElement;
    }
    return el || document.documentElement;
  }

  /**
   * Computed the boundaries limits and return them
   * @method
   * @memberof Popper.Utils
   * @param {HTMLElement} popper
   * @param {HTMLElement} reference
   * @param {number} padding
   * @param {HTMLElement} boundariesElement - Element used to define the boundaries
   * @param {Boolean} fixedPosition - Is in fixed position mode
   * @returns {Object} Coordinates of the boundaries
   */
  function getBoundaries(popper, reference, padding, boundariesElement) {
    var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;

    // NOTE: 1 DOM access here

    var boundaries = { top: 0, left: 0 };
    var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);

    // Handle viewport case
    if (boundariesElement === 'viewport') {
      boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
    } else {
      // Handle other cases based on DOM element used as boundaries
      var boundariesNode = void 0;
      if (boundariesElement === 'scrollParent') {
        boundariesNode = getScrollParent(getParentNode(reference));
        if (boundariesNode.nodeName === 'BODY') {
          boundariesNode = popper.ownerDocument.documentElement;
        }
      } else if (boundariesElement === 'window') {
        boundariesNode = popper.ownerDocument.documentElement;
      } else {
        boundariesNode = boundariesElement;
      }

      var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);

      // In case of HTML, we need a different computation
      if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
        var _getWindowSizes = getWindowSizes(popper.ownerDocument),
          height = _getWindowSizes.height,
          width = _getWindowSizes.width;

        boundaries.top += offsets.top - offsets.marginTop;
        boundaries.bottom = height + offsets.top;
        boundaries.left += offsets.left - offsets.marginLeft;
        boundaries.right = width + offsets.left;
      } else {
        // for all the other DOM elements, this one is good
        boundaries = offsets;
      }
    }

    // Add paddings
    padding = padding || 0;
    var isPaddingNumber = typeof padding === 'number';
    boundaries.left += isPaddingNumber ? padding : padding.left || 0;
    boundaries.top += isPaddingNumber ? padding : padding.top || 0;
    boundaries.right -= isPaddingNumber ? padding : padding.right || 0;
    boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0;

    return boundaries;
  }

  function getArea(_ref) {
    var width = _ref.width,
      height = _ref.height;

    return width * height;
  }

  /**
   * Utility used to transform the `auto` placement to the placement with more
   * available space.
   * @method
   * @memberof Popper.Utils
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
    var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;

    if (placement.indexOf('auto') === -1) {
      return placement;
    }

    var boundaries = getBoundaries(popper, reference, padding, boundariesElement);

    var rects = {
      top: {
        width: boundaries.width,
        height: refRect.top - boundaries.top
      },
      right: {
        width: boundaries.right - refRect.right,
        height: boundaries.height
      },
      bottom: {
        width: boundaries.width,
        height: boundaries.bottom - refRect.bottom
      },
      left: {
        width: refRect.left - boundaries.left,
        height: boundaries.height
      }
    };

    var sortedAreas = Object.keys(rects).map(function (key) {
      return _extends({
        key: key
      }, rects[key], {
        area: getArea(rects[key])
      });
    }).sort(function (a, b) {
      return b.area - a.area;
    });

    var filteredAreas = sortedAreas.filter(function (_ref2) {
      var width = _ref2.width,
        height = _ref2.height;
      return width >= popper.clientWidth && height >= popper.clientHeight;
    });

    var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;

    var variation = placement.split('-')[1];

    return computedPlacement + (variation ? '-' + variation : '');
  }

  /**
   * Get offsets to the reference element
   * @method
   * @memberof Popper.Utils
   * @param {Object} state
   * @param {Element} popper - the popper element
   * @param {Element} reference - the reference element (the popper will be relative to this)
   * @param {Element} fixedPosition - is in fixed position mode
   * @returns {Object} An object containing the offsets which will be applied to the popper
   */
  function getReferenceOffsets(state, popper, reference) {
    var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

    var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
    return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
  }

  /**
   * Get the outer sizes of the given element (offset size + margins)
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns {Object} object containing width and height properties
   */
  function getOuterSizes(element) {
    var window = element.ownerDocument.defaultView;
    var styles = window.getComputedStyle(element);
    var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);
    var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);
    var result = {
      width: element.offsetWidth + y,
      height: element.offsetHeight + x
    };
    return result;
  }

  /**
   * Get the opposite placement of the given one
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement
   * @returns {String} flipped placement
   */
  function getOppositePlacement(placement) {
    var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
    return placement.replace(/left|right|bottom|top/g, function (matched) {
      return hash[matched];
    });
  }

  /**
   * Get offsets to the popper
   * @method
   * @memberof Popper.Utils
   * @param {Object} position - CSS position the Popper will get applied
   * @param {HTMLElement} popper - the popper element
   * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)
   * @param {String} placement - one of the valid placement options
   * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper
   */
  function getPopperOffsets(popper, referenceOffsets, placement) {
    placement = placement.split('-')[0];

    // Get popper node sizes
    var popperRect = getOuterSizes(popper);

    // Add position, width and height to our offsets object
    var popperOffsets = {
      width: popperRect.width,
      height: popperRect.height
    };

    // depending by the popper placement we have to compute its offsets slightly differently
    var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
    var mainSide = isHoriz ? 'top' : 'left';
    var secondarySide = isHoriz ? 'left' : 'top';
    var measurement = isHoriz ? 'height' : 'width';
    var secondaryMeasurement = !isHoriz ? 'height' : 'width';

    popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;
    if (placement === secondarySide) {
      popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];
    } else {
      popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];
    }

    return popperOffsets;
  }

  /**
   * Mimics the `find` method of Array
   * @method
   * @memberof Popper.Utils
   * @argument {Array} arr
   * @argument prop
   * @argument value
   * @returns index or -1
   */
  function find(arr, check) {
    // use native find if supported
    if (Array.prototype.find) {
      return arr.find(check);
    }

    // use `filter` to obtain the same behavior of `find`
    return arr.filter(check)[0];
  }

  /**
   * Return the index of the matching object
   * @method
   * @memberof Popper.Utils
   * @argument {Array} arr
   * @argument prop
   * @argument value
   * @returns index or -1
   */
  function findIndex(arr, prop, value) {
    // use native findIndex if supported
    if (Array.prototype.findIndex) {
      return arr.findIndex(function (cur) {
        return cur[prop] === value;
      });
    }

    // use `find` + `indexOf` if `findIndex` isn't supported
    var match = find(arr, function (obj) {
      return obj[prop] === value;
    });
    return arr.indexOf(match);
  }

  /**
   * Loop trough the list of modifiers and run them in order,
   * each of them will then edit the data object.
   * @method
   * @memberof Popper.Utils
   * @param {dataObject} data
   * @param {Array} modifiers
   * @param {String} ends - Optional modifier name used as stopper
   * @returns {dataObject}
   */
  function runModifiers(modifiers, data, ends) {
    var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));

    modifiersToRun.forEach(function (modifier) {
      if (modifier['function']) {
        // eslint-disable-line dot-notation
        console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
      }
      var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation
      if (modifier.enabled && isFunction(fn)) {
        // Add properties to offsets to make them a complete clientRect object
        // we do this before each modifier to make sure the previous one doesn't
        // mess with these values
        data.offsets.popper = getClientRect(data.offsets.popper);
        data.offsets.reference = getClientRect(data.offsets.reference);

        data = fn(data, modifier);
      }
    });

    return data;
  }

  /**
   * Updates the position of the popper, computing the new offsets and applying
   * the new style.<br />
   * Prefer `scheduleUpdate` over `update` because of performance reasons.
   * @method
   * @memberof Popper
   */
  function update() {
    // if popper is destroyed, don't perform any further update
    if (this.state.isDestroyed) {
      return;
    }

    var data = {
      instance: this,
      styles: {},
      arrowStyles: {},
      attributes: {},
      flipped: false,
      offsets: {}
    };

    // compute reference element offsets
    data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);

    // compute auto placement, store placement inside the data object,
    // modifiers will be able to edit `placement` if needed
    // and refer to originalPlacement to know the original value
    data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);

    // store the computed placement inside `originalPlacement`
    data.originalPlacement = data.placement;

    data.positionFixed = this.options.positionFixed;

    // compute the popper offsets
    data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);

    data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';

    // run the modifiers
    data = runModifiers(this.modifiers, data);

    // the first `update` will call `onCreate` callback
    // the other ones will call `onUpdate` callback
    if (!this.state.isCreated) {
      this.state.isCreated = true;
      this.options.onCreate(data);
    } else {
      this.options.onUpdate(data);
    }
  }

  /**
   * Helper used to know if the given modifier is enabled.
   * @method
   * @memberof Popper.Utils
   * @returns {Boolean}
   */
  function isModifierEnabled(modifiers, modifierName) {
    return modifiers.some(function (_ref) {
      var name = _ref.name,
        enabled = _ref.enabled;
      return enabled && name === modifierName;
    });
  }

  /**
   * Get the prefixed supported property name
   * @method
   * @memberof Popper.Utils
   * @argument {String} property (camelCase)
   * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)
   */
  function getSupportedPropertyName(property) {
    var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];
    var upperProp = property.charAt(0).toUpperCase() + property.slice(1);

    for (var i = 0; i < prefixes.length; i++) {
      var prefix = prefixes[i];
      var toCheck = prefix ? '' + prefix + upperProp : property;
      if (typeof document.body.style[toCheck] !== 'undefined') {
        return toCheck;
      }
    }
    return null;
  }

  /**
   * Destroys the popper.
   * @method
   * @memberof Popper
   */
  function destroy() {
    this.state.isDestroyed = true;

    // touch DOM only if `applyStyle` modifier is enabled
    if (isModifierEnabled(this.modifiers, 'applyStyle')) {
      this.popper.removeAttribute('x-placement');
      this.popper.style.position = '';
      this.popper.style.top = '';
      this.popper.style.left = '';
      this.popper.style.right = '';
      this.popper.style.bottom = '';
      this.popper.style.willChange = '';
      this.popper.style[getSupportedPropertyName('transform')] = '';
    }

    this.disableEventListeners();

    // remove the popper if user explicity asked for the deletion on destroy
    // do not use `remove` because IE11 doesn't support it
    if (this.options.removeOnDestroy) {
      this.popper.parentNode.removeChild(this.popper);
    }
    return this;
  }

  /**
   * Get the window associated with the element
   * @argument {Element} element
   * @returns {Window}
   */
  function getWindow(element) {
    var ownerDocument = element.ownerDocument;
    return ownerDocument ? ownerDocument.defaultView : window;
  }

  function attachToScrollParents(scrollParent, event, callback, scrollParents) {
    var isBody = scrollParent.nodeName === 'BODY';
    var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;
    target.addEventListener(event, callback, { passive: true });

    if (!isBody) {
      attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);
    }
    scrollParents.push(target);
  }

  /**
   * Setup needed event listeners used to update the popper position
   * @method
   * @memberof Popper.Utils
   * @private
   */
  function setupEventListeners(reference, options, state, updateBound) {
    // Resize event listener on window
    state.updateBound = updateBound;
    getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });

    // Scroll event listener on scroll parents
    var scrollElement = getScrollParent(reference);
    attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);
    state.scrollElement = scrollElement;
    state.eventsEnabled = true;

    return state;
  }

  /**
   * It will add resize/scroll events and start recalculating
   * position of the popper element when they are triggered.
   * @method
   * @memberof Popper
   */
  function enableEventListeners() {
    if (!this.state.eventsEnabled) {
      this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);
    }
  }

  /**
   * Remove event listeners used to update the popper position
   * @method
   * @memberof Popper.Utils
   * @private
   */
  function removeEventListeners(reference, state) {
    // Remove resize event listener on window
    getWindow(reference).removeEventListener('resize', state.updateBound);

    // Remove scroll event listener on scroll parents
    state.scrollParents.forEach(function (target) {
      target.removeEventListener('scroll', state.updateBound);
    });

    // Reset state
    state.updateBound = null;
    state.scrollParents = [];
    state.scrollElement = null;
    state.eventsEnabled = false;
    return state;
  }

  /**
   * It will remove resize/scroll events and won't recalculate popper position
   * when they are triggered. It also won't trigger `onUpdate` callback anymore,
   * unless you call `update` method manually.
   * @method
   * @memberof Popper
   */
  function disableEventListeners() {
    if (this.state.eventsEnabled) {
      cancelAnimationFrame(this.scheduleUpdate);
      this.state = removeEventListeners(this.reference, this.state);
    }
  }

  /**
   * Tells if a given input is a number
   * @method
   * @memberof Popper.Utils
   * @param {*} input to check
   * @return {Boolean}
   */
  function isNumeric(n) {
    return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);
  }

  /**
   * Set the style to the given popper
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element - Element to apply the style to
   * @argument {Object} styles
   * Object with a list of properties and values which will be applied to the element
   */
  function setStyles(element, styles) {
    Object.keys(styles).forEach(function (prop) {
      var unit = '';
      // add unit if the value is numeric and is one of the following
      if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
        unit = 'px';
      }
      element.style[prop] = styles[prop] + unit;
    });
  }

  /**
   * Set the attributes to the given popper
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element - Element to apply the attributes to
   * @argument {Object} styles
   * Object with a list of properties and values which will be applied to the element
   */
  function setAttributes(element, attributes) {
    Object.keys(attributes).forEach(function (prop) {
      var value = attributes[prop];
      if (value !== false) {
        element.setAttribute(prop, attributes[prop]);
      } else {
        element.removeAttribute(prop);
      }
    });
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} data.styles - List of style properties - values to apply to popper element
   * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The same data object
   */
  function applyStyle(data) {
    // any property present in `data.styles` will be applied to the popper,
    // in this way we can make the 3rd party modifiers add custom styles to it
    // Be aware, modifiers could override the properties defined in the previous
    // lines of this modifier!
    setStyles(data.instance.popper, data.styles);

    // any property present in `data.attributes` will be applied to the popper,
    // they will be set as HTML attributes of the element
    setAttributes(data.instance.popper, data.attributes);

    // if arrowElement is defined and arrowStyles has some properties
    if (data.arrowElement && Object.keys(data.arrowStyles).length) {
      setStyles(data.arrowElement, data.arrowStyles);
    }

    return data;
  }

  /**
   * Set the x-placement attribute before everything else because it could be used
   * to add margins to the popper margins needs to be calculated to get the
   * correct popper offsets.
   * @method
   * @memberof Popper.modifiers
   * @param {HTMLElement} reference - The reference element used to position the popper
   * @param {HTMLElement} popper - The HTML element used as popper
   * @param {Object} options - Popper.js options
   */
  function applyStyleOnLoad(reference, popper, options, modifierOptions, state) {
    // compute reference element offsets
    var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);

    // compute auto placement, store placement inside the data object,
    // modifiers will be able to edit `placement` if needed
    // and refer to originalPlacement to know the original value
    var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);

    popper.setAttribute('x-placement', placement);

    // Apply `position` to popper before anything else because
    // without the position applied we can't guarantee correct computations
    setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });

    return options;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function computeStyle(data, options) {
    var x = options.x,
      y = options.y;
    var popper = data.offsets.popper;

    // Remove this legacy support in Popper.js v2

    var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {
      return modifier.name === 'applyStyle';
    }).gpuAcceleration;
    if (legacyGpuAccelerationOption !== undefined) {
      console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
    }
    var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;

    var offsetParent = getOffsetParent(data.instance.popper);
    var offsetParentRect = getBoundingClientRect(offsetParent);

    // Styles
    var styles = {
      position: popper.position
    };

    // Avoid blurry text by using full pixel integers.
    // For pixel-perfect positioning, top/bottom prefers rounded
    // values, while left/right prefers floored values.
    var offsets = {
      left: Math.floor(popper.left),
      top: Math.round(popper.top),
      bottom: Math.round(popper.bottom),
      right: Math.floor(popper.right)
    };

    var sideA = x === 'bottom' ? 'top' : 'bottom';
    var sideB = y === 'right' ? 'left' : 'right';

    // if gpuAcceleration is set to `true` and transform is supported,
    //  we use `translate3d` to apply the position to the popper we
    // automatically use the supported prefixed version if needed
    var prefixedProperty = getSupportedPropertyName('transform');

    // now, let's make a step back and look at this code closely (wtf?)
    // If the content of the popper grows once it's been positioned, it
    // may happen that the popper gets misplaced because of the new content
    // overflowing its reference element
    // To avoid this problem, we provide two options (x and y), which allow
    // the consumer to define the offset origin.
    // If we position a popper on top of a reference element, we can set
    // `x` to `top` to make the popper grow towards its top instead of
    // its bottom.
    var left = void 0,
      top = void 0;
    if (sideA === 'bottom') {
      // when offsetParent is <html> the positioning is relative to the bottom of the screen (excluding the scrollbar)
      // and not the bottom of the html element
      if (offsetParent.nodeName === 'HTML') {
        top = -offsetParent.clientHeight + offsets.bottom;
      } else {
        top = -offsetParentRect.height + offsets.bottom;
      }
    } else {
      top = offsets.top;
    }
    if (sideB === 'right') {
      if (offsetParent.nodeName === 'HTML') {
        left = -offsetParent.clientWidth + offsets.right;
      } else {
        left = -offsetParentRect.width + offsets.right;
      }
    } else {
      left = offsets.left;
    }
    if (gpuAcceleration && prefixedProperty) {
      styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';
      styles[sideA] = 0;
      styles[sideB] = 0;
      styles.willChange = 'transform';
    } else {
      // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties
      var invertTop = sideA === 'bottom' ? -1 : 1;
      var invertLeft = sideB === 'right' ? -1 : 1;
      styles[sideA] = top * invertTop;
      styles[sideB] = left * invertLeft;
      styles.willChange = sideA + ', ' + sideB;
    }

    // Attributes
    var attributes = {
      'x-placement': data.placement
    };

    // Update `data` attributes, styles and arrowStyles
    data.attributes = _extends({}, attributes, data.attributes);
    data.styles = _extends({}, styles, data.styles);
    data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);

    return data;
  }

  /**
   * Helper used to know if the given modifier depends from another one.<br />
   * It checks if the needed modifier is listed and enabled.
   * @method
   * @memberof Popper.Utils
   * @param {Array} modifiers - list of modifiers
   * @param {String} requestingName - name of requesting modifier
   * @param {String} requestedName - name of requested modifier
   * @returns {Boolean}
   */
  function isModifierRequired(modifiers, requestingName, requestedName) {
    var requesting = find(modifiers, function (_ref) {
      var name = _ref.name;
      return name === requestingName;
    });

    var isRequired = !!requesting && modifiers.some(function (modifier) {
      return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
    });

    if (!isRequired) {
      var _requesting = '`' + requestingName + '`';
      var requested = '`' + requestedName + '`';
      console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
    }
    return isRequired;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function arrow(data, options) {
    var _data$offsets$arrow;

    // arrow depends on keepTogether in order to work
    if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
      return data;
    }

    var arrowElement = options.element;

    // if arrowElement is a string, suppose it's a CSS selector
    if (typeof arrowElement === 'string') {
      arrowElement = data.instance.popper.querySelector(arrowElement);

      // if arrowElement is not found, don't run the modifier
      if (!arrowElement) {
        return data;
      }
    } else {
      // if the arrowElement isn't a query selector we must check that the
      // provided DOM node is child of its popper node
      if (!data.instance.popper.contains(arrowElement)) {
        console.warn('WARNING: `arrow.element` must be child of its popper element!');
        return data;
      }
    }

    var placement = data.placement.split('-')[0];
    var _data$offsets = data.offsets,
      popper = _data$offsets.popper,
      reference = _data$offsets.reference;

    var isVertical = ['left', 'right'].indexOf(placement) !== -1;

    var len = isVertical ? 'height' : 'width';
    var sideCapitalized = isVertical ? 'Top' : 'Left';
    var side = sideCapitalized.toLowerCase();
    var altSide = isVertical ? 'left' : 'top';
    var opSide = isVertical ? 'bottom' : 'right';
    var arrowElementSize = getOuterSizes(arrowElement)[len];

    //
    // extends keepTogether behavior making sure the popper and its
    // reference have enough pixels in conjunction
    //

    // top/left side
    if (reference[opSide] - arrowElementSize < popper[side]) {
      data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);
    }
    // bottom/right side
    if (reference[side] + arrowElementSize > popper[opSide]) {
      data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];
    }
    data.offsets.popper = getClientRect(data.offsets.popper);

    // compute center of the popper
    var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;

    // Compute the sideValue using the updated popper offsets
    // take popper margin in account because we don't have this info available
    var css = getStyleComputedProperty(data.instance.popper);
    var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10);
    var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10);
    var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;

    // prevent arrowElement from being placed not contiguously to its popper
    sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);

    data.arrowElement = arrowElement;
    data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);

    return data;
  }

  /**
   * Get the opposite placement variation of the given one
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement variation
   * @returns {String} flipped placement variation
   */
  function getOppositeVariation(variation) {
    if (variation === 'end') {
      return 'start';
    } else if (variation === 'start') {
      return 'end';
    }
    return variation;
  }

  /**
   * List of accepted placements to use as values of the `placement` option.<br />
   * Valid placements are:
   * - `auto`
   * - `top`
   * - `right`
   * - `bottom`
   * - `left`
   *
   * Each placement can have a variation from this list:
   * - `-start`
   * - `-end`
   *
   * Variations are interpreted easily if you think of them as the left to right
   * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`
   * is right.<br />
   * Vertically (`left` and `right`), `start` is top and `end` is bottom.
   *
   * Some valid examples are:
   * - `top-end` (on top of reference, right aligned)
   * - `right-start` (on right of reference, top aligned)
   * - `bottom` (on bottom, centered)
   * - `auto-end` (on the side with more space available, alignment depends by placement)
   *
   * @static
   * @type {Array}
   * @enum {String}
   * @readonly
   * @method placements
   * @memberof Popper
   */
  var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];

// Get rid of `auto` `auto-start` and `auto-end`
  var validPlacements = placements.slice(3);

  /**
   * Given an initial placement, returns all the subsequent placements
   * clockwise (or counter-clockwise).
   *
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement - A valid placement (it accepts variations)
   * @argument {Boolean} counter - Set to true to walk the placements counterclockwise
   * @returns {Array} placements including their variations
   */
  function clockwise(placement) {
    var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    var index = validPlacements.indexOf(placement);
    var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));
    return counter ? arr.reverse() : arr;
  }

  var BEHAVIORS = {
    FLIP: 'flip',
    CLOCKWISE: 'clockwise',
    COUNTERCLOCKWISE: 'counterclockwise'
  };

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function flip(data, options) {
    // if `inner` modifier is enabled, we can't use the `flip` modifier
    if (isModifierEnabled(data.instance.modifiers, 'inner')) {
      return data;
    }

    if (data.flipped && data.placement === data.originalPlacement) {
      // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides
      return data;
    }

    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);

    var placement = data.placement.split('-')[0];
    var placementOpposite = getOppositePlacement(placement);
    var variation = data.placement.split('-')[1] || '';

    var flipOrder = [];

    switch (options.behavior) {
      case BEHAVIORS.FLIP:
        flipOrder = [placement, placementOpposite];
        break;
      case BEHAVIORS.CLOCKWISE:
        flipOrder = clockwise(placement);
        break;
      case BEHAVIORS.COUNTERCLOCKWISE:
        flipOrder = clockwise(placement, true);
        break;
      default:
        flipOrder = options.behavior;
    }

    flipOrder.forEach(function (step, index) {
      if (placement !== step || flipOrder.length === index + 1) {
        return data;
      }

      placement = data.placement.split('-')[0];
      placementOpposite = getOppositePlacement(placement);

      var popperOffsets = data.offsets.popper;
      var refOffsets = data.offsets.reference;

      // using floor because the reference offsets may contain decimals we are not going to consider here
      var floor = Math.floor;
      var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);

      var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);
      var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);
      var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);
      var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);

      var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;

      // flip the variation if required
      var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
      var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);

      if (overlapsRef || overflowsBoundaries || flippedVariation) {
        // this boolean to detect any flip loop
        data.flipped = true;

        if (overlapsRef || overflowsBoundaries) {
          placement = flipOrder[index + 1];
        }

        if (flippedVariation) {
          variation = getOppositeVariation(variation);
        }

        data.placement = placement + (variation ? '-' + variation : '');

        // this object contains `position`, we want to preserve it along with
        // any additional property we may add in the future
        data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));

        data = runModifiers(data.instance.modifiers, data, 'flip');
      }
    });
    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function keepTogether(data) {
    var _data$offsets = data.offsets,
      popper = _data$offsets.popper,
      reference = _data$offsets.reference;

    var placement = data.placement.split('-')[0];
    var floor = Math.floor;
    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
    var side = isVertical ? 'right' : 'bottom';
    var opSide = isVertical ? 'left' : 'top';
    var measurement = isVertical ? 'width' : 'height';

    if (popper[side] < floor(reference[opSide])) {
      data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];
    }
    if (popper[opSide] > floor(reference[side])) {
      data.offsets.popper[opSide] = floor(reference[side]);
    }

    return data;
  }

  /**
   * Converts a string containing value + unit into a px value number
   * @function
   * @memberof {modifiers~offset}
   * @private
   * @argument {String} str - Value + unit string
   * @argument {String} measurement - `height` or `width`
   * @argument {Object} popperOffsets
   * @argument {Object} referenceOffsets
   * @returns {Number|String}
   * Value in pixels, or original string if no values were extracted
   */
  function toValue(str, measurement, popperOffsets, referenceOffsets) {
    // separate value from unit
    var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/);
    var value = +split[1];
    var unit = split[2];

    // If it's not a number it's an operator, I guess
    if (!value) {
      return str;
    }

    if (unit.indexOf('%') === 0) {
      var element = void 0;
      switch (unit) {
        case '%p':
          element = popperOffsets;
          break;
        case '%':
        case '%r':
        default:
          element = referenceOffsets;
      }

      var rect = getClientRect(element);
      return rect[measurement] / 100 * value;
    } else if (unit === 'vh' || unit === 'vw') {
      // if is a vh or vw, we calculate the size based on the viewport
      var size = void 0;
      if (unit === 'vh') {
        size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
      } else {
        size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
      }
      return size / 100 * value;
    } else {
      // if is an explicit pixel unit, we get rid of the unit and keep the value
      // if is an implicit unit, it's px, and we return just the value
      return value;
    }
  }

  /**
   * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.
   * @function
   * @memberof {modifiers~offset}
   * @private
   * @argument {String} offset
   * @argument {Object} popperOffsets
   * @argument {Object} referenceOffsets
   * @argument {String} basePlacement
   * @returns {Array} a two cells array with x and y offsets in numbers
   */
  function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {
    var offsets = [0, 0];

    // Use height if placement is left or right and index is 0 otherwise use width
    // in this way the first offset will use an axis and the second one
    // will use the other one
    var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;

    // Split the offset string to obtain a list of values and operands
    // The regex addresses values with the plus or minus sign in front (+10, -20, etc)
    var fragments = offset.split(/(\+|\-)/).map(function (frag) {
      return frag.trim();
    });

    // Detect if the offset string contains a pair of values or a single one
    // they could be separated by comma or space
    var divider = fragments.indexOf(find(fragments, function (frag) {
      return frag.search(/,|\s/) !== -1;
    }));

    if (fragments[divider] && fragments[divider].indexOf(',') === -1) {
      console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
    }

    // If divider is found, we divide the list of values and operands to divide
    // them by ofset X and Y.
    var splitRegex = /\s*,\s*|\s+/;
    var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];

    // Convert the values with units to absolute pixels to allow our computations
    ops = ops.map(function (op, index) {
      // Most of the units rely on the orientation of the popper
      var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';
      var mergeWithPrevious = false;
      return op
        // This aggregates any `+` or `-` sign that aren't considered operators
        // e.g.: 10 + +5 => [10, +, +5]
        .reduce(function (a, b) {
          if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {
            a[a.length - 1] = b;
            mergeWithPrevious = true;
            return a;
          } else if (mergeWithPrevious) {
            a[a.length - 1] += b;
            mergeWithPrevious = false;
            return a;
          } else {
            return a.concat(b);
          }
        }, [])
        // Here we convert the string values into number values (in px)
        .map(function (str) {
          return toValue(str, measurement, popperOffsets, referenceOffsets);
        });
    });

    // Loop trough the offsets arrays and execute the operations
    ops.forEach(function (op, index) {
      op.forEach(function (frag, index2) {
        if (isNumeric(frag)) {
          offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);
        }
      });
    });
    return offsets;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @argument {Number|String} options.offset=0
   * The offset value as described in the modifier description
   * @returns {Object} The data object, properly modified
   */
  function offset(data, _ref) {
    var offset = _ref.offset;
    var placement = data.placement,
      _data$offsets = data.offsets,
      popper = _data$offsets.popper,
      reference = _data$offsets.reference;

    var basePlacement = placement.split('-')[0];

    var offsets = void 0;
    if (isNumeric(+offset)) {
      offsets = [+offset, 0];
    } else {
      offsets = parseOffset(offset, popper, reference, basePlacement);
    }

    if (basePlacement === 'left') {
      popper.top += offsets[0];
      popper.left -= offsets[1];
    } else if (basePlacement === 'right') {
      popper.top += offsets[0];
      popper.left += offsets[1];
    } else if (basePlacement === 'top') {
      popper.left += offsets[0];
      popper.top -= offsets[1];
    } else if (basePlacement === 'bottom') {
      popper.left += offsets[0];
      popper.top += offsets[1];
    }

    data.popper = popper;
    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function preventOverflow(data, options) {
    var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);

    // If offsetParent is the reference element, we really want to
    // go one step up and use the next offsetParent as reference to
    // avoid to make this modifier completely useless and look like broken
    if (data.instance.reference === boundariesElement) {
      boundariesElement = getOffsetParent(boundariesElement);
    }

    // NOTE: DOM access here
    // resets the popper's position so that the document size can be calculated excluding
    // the size of the popper element itself
    var transformProp = getSupportedPropertyName('transform');
    var popperStyles = data.instance.popper.style; // assignment to help minification
    var top = popperStyles.top,
      left = popperStyles.left,
      transform = popperStyles[transformProp];

    popperStyles.top = '';
    popperStyles.left = '';
    popperStyles[transformProp] = '';

    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);

    // NOTE: DOM access here
    // restores the original style properties after the offsets have been computed
    popperStyles.top = top;
    popperStyles.left = left;
    popperStyles[transformProp] = transform;

    options.boundaries = boundaries;

    var order = options.priority;
    var popper = data.offsets.popper;

    var check = {
      primary: function primary(placement) {
        var value = popper[placement];
        if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {
          value = Math.max(popper[placement], boundaries[placement]);
        }
        return defineProperty({}, placement, value);
      },
      secondary: function secondary(placement) {
        var mainSide = placement === 'right' ? 'left' : 'top';
        var value = popper[mainSide];
        if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {
          value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));
        }
        return defineProperty({}, mainSide, value);
      }
    };

    order.forEach(function (placement) {
      var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';
      popper = _extends({}, popper, check[side](placement));
    });

    data.offsets.popper = popper;

    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function shift(data) {
    var placement = data.placement;
    var basePlacement = placement.split('-')[0];
    var shiftvariation = placement.split('-')[1];

    // if shift shiftvariation is specified, run the modifier
    if (shiftvariation) {
      var _data$offsets = data.offsets,
        reference = _data$offsets.reference,
        popper = _data$offsets.popper;

      var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
      var side = isVertical ? 'left' : 'top';
      var measurement = isVertical ? 'width' : 'height';

      var shiftOffsets = {
        start: defineProperty({}, side, reference[side]),
        end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])
      };

      data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);
    }

    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function hide(data) {
    if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
      return data;
    }

    var refRect = data.offsets.reference;
    var bound = find(data.instance.modifiers, function (modifier) {
      return modifier.name === 'preventOverflow';
    }).boundaries;

    if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {
      // Avoid unnecessary DOM access if visibility hasn't changed
      if (data.hide === true) {
        return data;
      }

      data.hide = true;
      data.attributes['x-out-of-boundaries'] = '';
    } else {
      // Avoid unnecessary DOM access if visibility hasn't changed
      if (data.hide === false) {
        return data;
      }

      data.hide = false;
      data.attributes['x-out-of-boundaries'] = false;
    }

    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {Object} The data object, properly modified
   */
  function inner(data) {
    var placement = data.placement;
    var basePlacement = placement.split('-')[0];
    var _data$offsets = data.offsets,
      popper = _data$offsets.popper,
      reference = _data$offsets.reference;

    var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;

    var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;

    popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);

    data.placement = getOppositePlacement(placement);
    data.offsets.popper = getClientRect(popper);

    return data;
  }

  /**
   * Modifier function, each modifier can have a function of this type assigned
   * to its `fn` property.<br />
   * These functions will be called on each update, this means that you must
   * make sure they are performant enough to avoid performance bottlenecks.
   *
   * @function ModifierFn
   * @argument {dataObject} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns {dataObject} The data object, properly modified
   */

  /**
   * Modifiers are plugins used to alter the behavior of your poppers.<br />
   * Popper.js uses a set of 9 modifiers to provide all the basic functionalities
   * needed by the library.
   *
   * Usually you don't want to override the `order`, `fn` and `onLoad` props.
   * All the other properties are configurations that could be tweaked.
   * @namespace modifiers
   */
  var modifiers = {
    /**
     * Modifier used to shift the popper on the start or end of its reference
     * element.<br />
     * It will read the variation of the `placement` property.<br />
     * It can be one either `-end` or `-start`.
     * @memberof modifiers
     * @inner
     */
    shift: {
      /** @prop {number} order=100 - Index used to define the order of execution */
      order: 100,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: shift
    },

    /**
     * The `offset` modifier can shift your popper on both its axis.
     *
     * It accepts the following units:
     * - `px` or unit-less, interpreted as pixels
     * - `%` or `%r`, percentage relative to the length of the reference element
     * - `%p`, percentage relative to the length of the popper element
     * - `vw`, CSS viewport width unit
     * - `vh`, CSS viewport height unit
     *
     * For length is intended the main axis relative to the placement of the popper.<br />
     * This means that if the placement is `top` or `bottom`, the length will be the
     * `width`. In case of `left` or `right`, it will be the `height`.
     *
     * You can provide a single value (as `Number` or `String`), or a pair of values
     * as `String` divided by a comma or one (or more) white spaces.<br />
     * The latter is a deprecated method because it leads to confusion and will be
     * removed in v2.<br />
     * Additionally, it accepts additions and subtractions between different units.
     * Note that multiplications and divisions aren't supported.
     *
     * Valid examples are:
     * ```
     * 10
     * '10%'
     * '10, 10'
     * '10%, 10'
     * '10 + 10%'
     * '10 - 5vh + 3%'
     * '-10px + 5vh, 5px - 6%'
     * ```
     * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap
     * > with their reference element, unfortunately, you will have to disable the `flip` modifier.
     * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).
     *
     * @memberof modifiers
     * @inner
     */
    offset: {
      /** @prop {number} order=200 - Index used to define the order of execution */
      order: 200,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: offset,
      /** @prop {Number|String} offset=0
       * The offset value as described in the modifier description
       */
      offset: 0
    },

    /**
     * Modifier used to prevent the popper from being positioned outside the boundary.
     *
     * A scenario exists where the reference itself is not within the boundaries.<br />
     * We can say it has "escaped the boundaries" — or just "escaped".<br />
     * In this case we need to decide whether the popper should either:
     *
     * - detach from the reference and remain "trapped" in the boundaries, or
     * - if it should ignore the boundary and "escape with its reference"
     *
     * When `escapeWithReference` is set to`true` and reference is completely
     * outside its boundaries, the popper will overflow (or completely leave)
     * the boundaries in order to remain attached to the edge of the reference.
     *
     * @memberof modifiers
     * @inner
     */
    preventOverflow: {
      /** @prop {number} order=300 - Index used to define the order of execution */
      order: 300,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: preventOverflow,
      /**
       * @prop {Array} [priority=['left','right','top','bottom']]
       * Popper will try to prevent overflow following these priorities by default,
       * then, it could overflow on the left and on top of the `boundariesElement`
       */
      priority: ['left', 'right', 'top', 'bottom'],
      /**
       * @prop {number} padding=5
       * Amount of pixel used to define a minimum distance between the boundaries
       * and the popper. This makes sure the popper always has a little padding
       * between the edges of its container
       */
      padding: 5,
      /**
       * @prop {String|HTMLElement} boundariesElement='scrollParent'
       * Boundaries used by the modifier. Can be `scrollParent`, `window`,
       * `viewport` or any DOM element.
       */
      boundariesElement: 'scrollParent'
    },

    /**
     * Modifier used to make sure the reference and its popper stay near each other
     * without leaving any gap between the two. Especially useful when the arrow is
     * enabled and you want to ensure that it points to its reference element.
     * It cares only about the first axis. You can still have poppers with margin
     * between the popper and its reference element.
     * @memberof modifiers
     * @inner
     */
    keepTogether: {
      /** @prop {number} order=400 - Index used to define the order of execution */
      order: 400,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: keepTogether
    },

    /**
     * This modifier is used to move the `arrowElement` of the popper to make
     * sure it is positioned between the reference element and its popper element.
     * It will read the outer size of the `arrowElement` node to detect how many
     * pixels of conjunction are needed.
     *
     * It has no effect if no `arrowElement` is provided.
     * @memberof modifiers
     * @inner
     */
    arrow: {
      /** @prop {number} order=500 - Index used to define the order of execution */
      order: 500,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: arrow,
      /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */
      element: '[x-arrow]'
    },

    /**
     * Modifier used to flip the popper's placement when it starts to overlap its
     * reference element.
     *
     * Requires the `preventOverflow` modifier before it in order to work.
     *
     * **NOTE:** this modifier will interrupt the current update cycle and will
     * restart it if it detects the need to flip the placement.
     * @memberof modifiers
     * @inner
     */
    flip: {
      /** @prop {number} order=600 - Index used to define the order of execution */
      order: 600,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: flip,
      /**
       * @prop {String|Array} behavior='flip'
       * The behavior used to change the popper's placement. It can be one of
       * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid
       * placements (with optional variations)
       */
      behavior: 'flip',
      /**
       * @prop {number} padding=5
       * The popper will flip if it hits the edges of the `boundariesElement`
       */
      padding: 5,
      /**
       * @prop {String|HTMLElement} boundariesElement='viewport'
       * The element which will define the boundaries of the popper position.
       * The popper will never be placed outside of the defined boundaries
       * (except if `keepTogether` is enabled)
       */
      boundariesElement: 'viewport'
    },

    /**
     * Modifier used to make the popper flow toward the inner of the reference element.
     * By default, when this modifier is disabled, the popper will be placed outside
     * the reference element.
     * @memberof modifiers
     * @inner
     */
    inner: {
      /** @prop {number} order=700 - Index used to define the order of execution */
      order: 700,
      /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */
      enabled: false,
      /** @prop {ModifierFn} */
      fn: inner
    },

    /**
     * Modifier used to hide the popper when its reference element is outside of the
     * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
     * be used to hide with a CSS selector the popper when its reference is
     * out of boundaries.
     *
     * Requires the `preventOverflow` modifier before it in order to work.
     * @memberof modifiers
     * @inner
     */
    hide: {
      /** @prop {number} order=800 - Index used to define the order of execution */
      order: 800,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: hide
    },

    /**
     * Computes the style that will be applied to the popper element to gets
     * properly positioned.
     *
     * Note that this modifier will not touch the DOM, it just prepares the styles
     * so that `applyStyle` modifier can apply it. This separation is useful
     * in case you need to replace `applyStyle` with a custom implementation.
     *
     * This modifier has `850` as `order` value to maintain backward compatibility
     * with previous versions of Popper.js. Expect the modifiers ordering method
     * to change in future major versions of the library.
     *
     * @memberof modifiers
     * @inner
     */
    computeStyle: {
      /** @prop {number} order=850 - Index used to define the order of execution */
      order: 850,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: computeStyle,
      /**
       * @prop {Boolean} gpuAcceleration=true
       * If true, it uses the CSS 3D transformation to position the popper.
       * Otherwise, it will use the `top` and `left` properties
       */
      gpuAcceleration: true,
      /**
       * @prop {string} [x='bottom']
       * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
       * Change this if your popper should grow in a direction different from `bottom`
       */
      x: 'bottom',
      /**
       * @prop {string} [x='left']
       * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
       * Change this if your popper should grow in a direction different from `right`
       */
      y: 'right'
    },

    /**
     * Applies the computed styles to the popper element.
     *
     * All the DOM manipulations are limited to this modifier. This is useful in case
     * you want to integrate Popper.js inside a framework or view library and you
     * want to delegate all the DOM manipulations to it.
     *
     * Note that if you disable this modifier, you must make sure the popper element
     * has its position set to `absolute` before Popper.js can do its work!
     *
     * Just disable this modifier and define your own to achieve the desired effect.
     *
     * @memberof modifiers
     * @inner
     */
    applyStyle: {
      /** @prop {number} order=900 - Index used to define the order of execution */
      order: 900,
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
      enabled: true,
      /** @prop {ModifierFn} */
      fn: applyStyle,
      /** @prop {Function} */
      onLoad: applyStyleOnLoad,
      /**
       * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
       * @prop {Boolean} gpuAcceleration=true
       * If true, it uses the CSS 3D transformation to position the popper.
       * Otherwise, it will use the `top` and `left` properties
       */
      gpuAcceleration: undefined
    }
  };

  /**
   * The `dataObject` is an object containing all the information used by Popper.js.
   * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
   * @name dataObject
   * @property {Object} data.instance The Popper.js instance
   * @property {String} data.placement Placement applied to popper
   * @property {String} data.originalPlacement Placement originally defined on init
   * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
   * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper
   * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
   * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)
   * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)
   * @property {Object} data.boundaries Offsets of the popper boundaries
   * @property {Object} data.offsets The measurements of popper, reference and arrow elements
   * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values
   * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values
   * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0
   */

  /**
   * Default options provided to Popper.js constructor.<br />
   * These can be overridden using the `options` argument of Popper.js.<br />
   * To override an option, simply pass an object with the same
   * structure of the `options` object, as the 3rd argument. For example:
   * ```
   * new Popper(ref, pop, {
   *   modifiers: {
   *     preventOverflow: { enabled: false }
   *   }
   * })
   * ```
   * @type {Object}
   * @static
   * @memberof Popper
   */
  var Defaults = {
    /**
     * Popper's placement.
     * @prop {Popper.placements} placement='bottom'
     */
    placement: 'bottom',

    /**
     * Set this to true if you want popper to position it self in 'fixed' mode
     * @prop {Boolean} positionFixed=false
     */
    positionFixed: false,

    /**
     * Whether events (resize, scroll) are initially enabled.
     * @prop {Boolean} eventsEnabled=true
     */
    eventsEnabled: true,

    /**
     * Set to true if you want to automatically remove the popper when
     * you call the `destroy` method.
     * @prop {Boolean} removeOnDestroy=false
     */
    removeOnDestroy: false,

    /**
     * Callback called when the popper is created.<br />
     * By default, it is set to no-op.<br />
     * Access Popper.js instance with `data.instance`.
     * @prop {onCreate}
     */
    onCreate: function onCreate() {},

    /**
     * Callback called when the popper is updated. This callback is not called
     * on the initialization/creation of the popper, but only on subsequent
     * updates.<br />
     * By default, it is set to no-op.<br />
     * Access Popper.js instance with `data.instance`.
     * @prop {onUpdate}
     */
    onUpdate: function onUpdate() {},

    /**
     * List of modifiers used to modify the offsets before they are applied to the popper.
     * They provide most of the functionalities of Popper.js.
     * @prop {modifiers}
     */
    modifiers: modifiers
  };

  /**
   * @callback onCreate
   * @param {dataObject} data
   */

  /**
   * @callback onUpdate
   * @param {dataObject} data
   */

// Utils
// Methods
  var Popper = function () {
    /**
     * Creates a new Popper.js instance.
     * @class Popper
     * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper
     * @param {HTMLElement} popper - The HTML element used as the popper
     * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)
     * @return {Object} instance - The generated Popper.js instance
     */
    function Popper(reference, popper) {
      var _this = this;

      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
      classCallCheck(this, Popper);

      this.scheduleUpdate = function () {
        return requestAnimationFrame(_this.update);
      };

      // make update() debounced, so that it only runs at most once-per-tick
      this.update = debounce(this.update.bind(this));

      // with {} we create a new object with the options inside it
      this.options = _extends({}, Popper.Defaults, options);

      // init state
      this.state = {
        isDestroyed: false,
        isCreated: false,
        scrollParents: []
      };

      // get reference and popper elements (allow jQuery wrappers)
      this.reference = reference && reference.jquery ? reference[0] : reference;
      this.popper = popper && popper.jquery ? popper[0] : popper;

      // Deep merge modifiers options
      this.options.modifiers = {};
      Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {
        _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});
      });

      // Refactoring modifiers' list (Object => Array)
      this.modifiers = Object.keys(this.options.modifiers).map(function (name) {
        return _extends({
          name: name
        }, _this.options.modifiers[name]);
      })
        // sort the modifiers by order
        .sort(function (a, b) {
          return a.order - b.order;
        });

      // modifiers have the ability to execute arbitrary code when Popper.js get inited
      // such code is executed in the same order of its modifier
      // they could add new properties to their options configuration
      // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!
      this.modifiers.forEach(function (modifierOptions) {
        if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {
          modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);
        }
      });

      // fire the first update to position the popper in the right place
      this.update();

      var eventsEnabled = this.options.eventsEnabled;
      if (eventsEnabled) {
        // setup event listeners, they will take care of update the position in specific situations
        this.enableEventListeners();
      }

      this.state.eventsEnabled = eventsEnabled;
    }

    // We can't use class properties because they don't get listed in the
    // class prototype and break stuff like Sinon stubs


    createClass(Popper, [{
      key: 'update',
      value: function update$$1() {
        return update.call(this);
      }
    }, {
      key: 'destroy',
      value: function destroy$$1() {
        return destroy.call(this);
      }
    }, {
      key: 'enableEventListeners',
      value: function enableEventListeners$$1() {
        return enableEventListeners.call(this);
      }
    }, {
      key: 'disableEventListeners',
      value: function disableEventListeners$$1() {
        return disableEventListeners.call(this);
      }

      /**
       * Schedules an update. It will run on the next UI update available.
       * @method scheduleUpdate
       * @memberof Popper
       */


      /**
       * Collection of utilities useful when writing custom modifiers.
       * Starting from version 1.7, this method is available only if you
       * include `popper-utils.js` before `popper.js`.
       *
       * **DEPRECATION**: This way to access PopperUtils is deprecated
       * and will be removed in v2! Use the PopperUtils module directly instead.
       * Due to the high instability of the methods contained in Utils, we can't
       * guarantee them to follow semver. Use them at your own risk!
       * @static
       * @private
       * @type {Object}
       * @deprecated since version 1.8
       * @member Utils
       * @memberof Popper
       */

    }]);
    return Popper;
  }();

  /**
   * The `referenceObject` is an object that provides an interface compatible with Popper.js
   * and lets you use it as replacement of a real DOM node.<br />
   * You can use this method to position a popper relatively to a set of coordinates
   * in case you don't have a DOM node to use as reference.
   *
   * ```
   * new Popper(referenceObject, popperNode);
   * ```
   *
   * NB: This feature isn't supported in Internet Explorer 10.
   * @name referenceObject
   * @property {Function} data.getBoundingClientRect
   * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.
   * @property {number} data.clientWidth
   * An ES6 getter that will return the width of the virtual reference element.
   * @property {number} data.clientHeight
   * An ES6 getter that will return the height of the virtual reference element.
   */


  Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;
  Popper.placements = placements;
  Popper.Defaults = Defaults;

  return Popper;

})));
/*!
  * Bootstrap util.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
    typeof define === 'function' && define.amd ? define(['jquery'], factory) :
      (global = global || self, global.Util = factory(global.jQuery));
}(this, function ($) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.3.1): util.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * ------------------------------------------------------------------------
   * Private TransitionEnd Helpers
   * ------------------------------------------------------------------------
   */

  var TRANSITION_END = 'transitionend';
  var MAX_UID = 1000000;
  var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  function toType(obj) {
    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
  }

  function getSpecialTransitionEndEvent() {
    return {
      bindType: TRANSITION_END,
      delegateType: TRANSITION_END,
      handle: function handle(event) {
        if ($(event.target).is(this)) {
          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
        }

        return undefined; // eslint-disable-line no-undefined
      }
    };
  }

  function transitionEndEmulator(duration) {
    var _this = this;

    var called = false;
    $(this).one(Util.TRANSITION_END, function () {
      called = true;
    });
    setTimeout(function () {
      if (!called) {
        Util.triggerTransitionEnd(_this);
      }
    }, duration);
    return this;
  }

  function setTransitionEndSupport() {
    $.fn.emulateTransitionEnd = transitionEndEmulator;
    $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
  }
  /**
   * --------------------------------------------------------------------------
   * Public Util Api
   * --------------------------------------------------------------------------
   */


  var Util = {
    TRANSITION_END: 'bsTransitionEnd',
    getUID: function getUID(prefix) {
      do {
        // eslint-disable-next-line no-bitwise
        prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
      } while (document.getElementById(prefix));

      return prefix;
    },
    getSelectorFromElement: function getSelectorFromElement(element) {
      var selector = element.getAttribute('data-target');

      if (!selector || selector === '#') {
        var hrefAttr = element.getAttribute('href');
        selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
      }

      try {
        return document.querySelector(selector) ? selector : null;
      } catch (err) {
        return null;
      }
    },
    getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
      if (!element) {
        return 0;
      } // Get transition-duration of the element


      var transitionDuration = $(element).css('transition-duration');
      var transitionDelay = $(element).css('transition-delay');
      var floatTransitionDuration = parseFloat(transitionDuration);
      var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

      if (!floatTransitionDuration && !floatTransitionDelay) {
        return 0;
      } // If multiple durations are defined, take the first


      transitionDuration = transitionDuration.split(',')[0];
      transitionDelay = transitionDelay.split(',')[0];
      return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
    },
    reflow: function reflow(element) {
      return element.offsetHeight;
    },
    triggerTransitionEnd: function triggerTransitionEnd(element) {
      $(element).trigger(TRANSITION_END);
    },
    // TODO: Remove in v5
    supportsTransitionEnd: function supportsTransitionEnd() {
      return Boolean(TRANSITION_END);
    },
    isElement: function isElement(obj) {
      return (obj[0] || obj).nodeType;
    },
    typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
      for (var property in configTypes) {
        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
          var expectedTypes = configTypes[property];
          var value = config[property];
          var valueType = value && Util.isElement(value) ? 'element' : toType(value);

          if (!new RegExp(expectedTypes).test(valueType)) {
            throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
          }
        }
      }
    },
    findShadowRoot: function findShadowRoot(element) {
      if (!document.documentElement.attachShadow) {
        return null;
      } // Can find the shadow root otherwise it'll return the document


      if (typeof element.getRootNode === 'function') {
        var root = element.getRootNode();
        return root instanceof ShadowRoot ? root : null;
      }

      if (element instanceof ShadowRoot) {
        return element;
      } // when we don't find a shadow root


      if (!element.parentNode) {
        return null;
      }

      return Util.findShadowRoot(element.parentNode);
    }
  };
  setTransitionEndSupport();

  return Util;

}));
/*!
  * Bootstrap alert.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Alert = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'alert';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.alert';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var Selector = {
    DISMISS: '[data-dismiss="alert"]'
  };
  var Event = {
    CLOSE: "close" + EVENT_KEY,
    CLOSED: "closed" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    ALERT: 'alert',
    FADE: 'fade',
    SHOW: 'show'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Alert =
    /*#__PURE__*/
    function () {
      function Alert(element) {
        this._element = element;
      } // Getters


      var _proto = Alert.prototype;

      // Public
      _proto.close = function close(element) {
        var rootElement = this._element;

        if (element) {
          rootElement = this._getRootElement(element);
        }

        var customEvent = this._triggerCloseEvent(rootElement);

        if (customEvent.isDefaultPrevented()) {
          return;
        }

        this._removeElement(rootElement);
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        this._element = null;
      } // Private
      ;

      _proto._getRootElement = function _getRootElement(element) {
        var selector = Util.getSelectorFromElement(element);
        var parent = false;

        if (selector) {
          parent = document.querySelector(selector);
        }

        if (!parent) {
          parent = $(element).closest("." + ClassName.ALERT)[0];
        }

        return parent;
      };

      _proto._triggerCloseEvent = function _triggerCloseEvent(element) {
        var closeEvent = $.Event(Event.CLOSE);
        $(element).trigger(closeEvent);
        return closeEvent;
      };

      _proto._removeElement = function _removeElement(element) {
        var _this = this;

        $(element).removeClass(ClassName.SHOW);

        if (!$(element).hasClass(ClassName.FADE)) {
          this._destroyElement(element);

          return;
        }

        var transitionDuration = Util.getTransitionDurationFromElement(element);
        $(element).one(Util.TRANSITION_END, function (event) {
          return _this._destroyElement(element, event);
        }).emulateTransitionEnd(transitionDuration);
      };

      _proto._destroyElement = function _destroyElement(element) {
        $(element).detach().trigger(Event.CLOSED).remove();
      } // Static
      ;

      Alert._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var $element = $(this);
          var data = $element.data(DATA_KEY);

          if (!data) {
            data = new Alert(this);
            $element.data(DATA_KEY, data);
          }

          if (config === 'close') {
            data[config](this);
          }
        });
      };

      Alert._handleDismiss = function _handleDismiss(alertInstance) {
        return function (event) {
          if (event) {
            event.preventDefault();
          }

          alertInstance.close(this);
        };
      };

      _createClass(Alert, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }]);

      return Alert;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert()));
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Alert._jQueryInterface;
  $.fn[NAME].Constructor = Alert;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Alert._jQueryInterface;
  };

  return Alert;

}));
/*!
  * Bootstrap button.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
    typeof define === 'function' && define.amd ? define(['jquery'], factory) :
      (global = global || self, global.Button = factory(global.jQuery));
}(this, function ($) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'button';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.button';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var ClassName = {
    ACTIVE: 'active',
    BUTTON: 'btn',
    FOCUS: 'focus'
  };
  var Selector = {
    DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
    DATA_TOGGLE: '[data-toggle="buttons"]',
    INPUT: 'input:not([type="hidden"])',
    ACTIVE: '.active',
    BUTTON: '.btn'
  };
  var Event = {
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
    FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY)
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Button =
    /*#__PURE__*/
    function () {
      function Button(element) {
        this._element = element;
      } // Getters


      var _proto = Button.prototype;

      // Public
      _proto.toggle = function toggle() {
        var triggerChangeEvent = true;
        var addAriaPressed = true;
        var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];

        if (rootElement) {
          var input = this._element.querySelector(Selector.INPUT);

          if (input) {
            if (input.type === 'radio') {
              if (input.checked && this._element.classList.contains(ClassName.ACTIVE)) {
                triggerChangeEvent = false;
              } else {
                var activeElement = rootElement.querySelector(Selector.ACTIVE);

                if (activeElement) {
                  $(activeElement).removeClass(ClassName.ACTIVE);
                }
              }
            }

            if (triggerChangeEvent) {
              if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
                return;
              }

              input.checked = !this._element.classList.contains(ClassName.ACTIVE);
              $(input).trigger('change');
            }

            input.focus();
            addAriaPressed = false;
          }
        }

        if (addAriaPressed) {
          this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName.ACTIVE));
        }

        if (triggerChangeEvent) {
          $(this._element).toggleClass(ClassName.ACTIVE);
        }
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        this._element = null;
      } // Static
      ;

      Button._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          if (!data) {
            data = new Button(this);
            $(this).data(DATA_KEY, data);
          }

          if (config === 'toggle') {
            data[config]();
          }
        });
      };

      _createClass(Button, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }]);

      return Button;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
    event.preventDefault();
    var button = event.target;

    if (!$(button).hasClass(ClassName.BUTTON)) {
      button = $(button).closest(Selector.BUTTON);
    }

    Button._jQueryInterface.call($(button), 'toggle');
  }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
    var button = $(event.target).closest(Selector.BUTTON)[0];
    $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type));
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Button._jQueryInterface;
  $.fn[NAME].Constructor = Button;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Button._jQueryInterface;
  };

  return Button;

}));
/*!
  * Bootstrap carousel.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Carousel = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'carousel';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.carousel';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key

  var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key

  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch

  var SWIPE_THRESHOLD = 40;
  var Default = {
    interval: 5000,
    keyboard: true,
    slide: false,
    pause: 'hover',
    wrap: true,
    touch: true
  };
  var DefaultType = {
    interval: '(number|boolean)',
    keyboard: 'boolean',
    slide: '(boolean|string)',
    pause: '(string|boolean)',
    wrap: 'boolean',
    touch: 'boolean'
  };
  var Direction = {
    NEXT: 'next',
    PREV: 'prev',
    LEFT: 'left',
    RIGHT: 'right'
  };
  var Event = {
    SLIDE: "slide" + EVENT_KEY,
    SLID: "slid" + EVENT_KEY,
    KEYDOWN: "keydown" + EVENT_KEY,
    MOUSEENTER: "mouseenter" + EVENT_KEY,
    MOUSELEAVE: "mouseleave" + EVENT_KEY,
    TOUCHSTART: "touchstart" + EVENT_KEY,
    TOUCHMOVE: "touchmove" + EVENT_KEY,
    TOUCHEND: "touchend" + EVENT_KEY,
    POINTERDOWN: "pointerdown" + EVENT_KEY,
    POINTERUP: "pointerup" + EVENT_KEY,
    DRAG_START: "dragstart" + EVENT_KEY,
    LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    CAROUSEL: 'carousel',
    ACTIVE: 'active',
    SLIDE: 'slide',
    RIGHT: 'carousel-item-right',
    LEFT: 'carousel-item-left',
    NEXT: 'carousel-item-next',
    PREV: 'carousel-item-prev',
    ITEM: 'carousel-item',
    POINTER_EVENT: 'pointer-event'
  };
  var Selector = {
    ACTIVE: '.active',
    ACTIVE_ITEM: '.active.carousel-item',
    ITEM: '.carousel-item',
    ITEM_IMG: '.carousel-item img',
    NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
    INDICATORS: '.carousel-indicators',
    DATA_SLIDE: '[data-slide], [data-slide-to]',
    DATA_RIDE: '[data-ride="carousel"]'
  };
  var PointerType = {
    TOUCH: 'touch',
    PEN: 'pen'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Carousel =
    /*#__PURE__*/
    function () {
      function Carousel(element, config) {
        this._items = null;
        this._interval = null;
        this._activeElement = null;
        this._isPaused = false;
        this._isSliding = false;
        this.touchTimeout = null;
        this.touchStartX = 0;
        this.touchDeltaX = 0;
        this._config = this._getConfig(config);
        this._element = element;
        this._indicatorsElement = this._element.querySelector(Selector.INDICATORS);
        this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
        this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent);

        this._addEventListeners();
      } // Getters


      var _proto = Carousel.prototype;

      // Public
      _proto.next = function next() {
        if (!this._isSliding) {
          this._slide(Direction.NEXT);
        }
      };

      _proto.nextWhenVisible = function nextWhenVisible() {
        // Don't call next when the page isn't visible
        // or the carousel or its parent isn't visible
        if (!document.hidden && $(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden') {
          this.next();
        }
      };

      _proto.prev = function prev() {
        if (!this._isSliding) {
          this._slide(Direction.PREV);
        }
      };

      _proto.pause = function pause(event) {
        if (!event) {
          this._isPaused = true;
        }

        if (this._element.querySelector(Selector.NEXT_PREV)) {
          Util.triggerTransitionEnd(this._element);
          this.cycle(true);
        }

        clearInterval(this._interval);
        this._interval = null;
      };

      _proto.cycle = function cycle(event) {
        if (!event) {
          this._isPaused = false;
        }

        if (this._interval) {
          clearInterval(this._interval);
          this._interval = null;
        }

        if (this._config.interval && !this._isPaused) {
          this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
        }
      };

      _proto.to = function to(index) {
        var _this = this;

        this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);

        var activeIndex = this._getItemIndex(this._activeElement);

        if (index > this._items.length - 1 || index < 0) {
          return;
        }

        if (this._isSliding) {
          $(this._element).one(Event.SLID, function () {
            return _this.to(index);
          });
          return;
        }

        if (activeIndex === index) {
          this.pause();
          this.cycle();
          return;
        }

        var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;

        this._slide(direction, this._items[index]);
      };

      _proto.dispose = function dispose() {
        $(this._element).off(EVENT_KEY);
        $.removeData(this._element, DATA_KEY);
        this._items = null;
        this._config = null;
        this._element = null;
        this._interval = null;
        this._isPaused = null;
        this._isSliding = null;
        this._activeElement = null;
        this._indicatorsElement = null;
      } // Private
      ;

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, Default, config);
        Util.typeCheckConfig(NAME, config, DefaultType);
        return config;
      };

      _proto._handleSwipe = function _handleSwipe() {
        var absDeltax = Math.abs(this.touchDeltaX);

        if (absDeltax <= SWIPE_THRESHOLD) {
          return;
        }

        var direction = absDeltax / this.touchDeltaX; // swipe left

        if (direction > 0) {
          this.prev();
        } // swipe right


        if (direction < 0) {
          this.next();
        }
      };

      _proto._addEventListeners = function _addEventListeners() {
        var _this2 = this;

        if (this._config.keyboard) {
          $(this._element).on(Event.KEYDOWN, function (event) {
            return _this2._keydown(event);
          });
        }

        if (this._config.pause === 'hover') {
          $(this._element).on(Event.MOUSEENTER, function (event) {
            return _this2.pause(event);
          }).on(Event.MOUSELEAVE, function (event) {
            return _this2.cycle(event);
          });
        }

        if (this._config.touch) {
          this._addTouchEventListeners();
        }
      };

      _proto._addTouchEventListeners = function _addTouchEventListeners() {
        var _this3 = this;

        if (!this._touchSupported) {
          return;
        }

        var start = function start(event) {
          if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
            _this3.touchStartX = event.originalEvent.clientX;
          } else if (!_this3._pointerEvent) {
            _this3.touchStartX = event.originalEvent.touches[0].clientX;
          }
        };

        var move = function move(event) {
          // ensure swiping with one touch and not pinching
          if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {
            _this3.touchDeltaX = 0;
          } else {
            _this3.touchDeltaX = event.originalEvent.touches[0].clientX - _this3.touchStartX;
          }
        };

        var end = function end(event) {
          if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
            _this3.touchDeltaX = event.originalEvent.clientX - _this3.touchStartX;
          }

          _this3._handleSwipe();

          if (_this3._config.pause === 'hover') {
            // If it's a touch-enabled device, mouseenter/leave are fired as
            // part of the mouse compatibility events on first tap - the carousel
            // would stop cycling until user tapped out of it;
            // here, we listen for touchend, explicitly pause the carousel
            // (as if it's the second time we tap on it, mouseenter compat event
            // is NOT fired) and after a timeout (to allow for mouse compatibility
            // events to fire) we explicitly restart cycling
            _this3.pause();

            if (_this3.touchTimeout) {
              clearTimeout(_this3.touchTimeout);
            }

            _this3.touchTimeout = setTimeout(function (event) {
              return _this3.cycle(event);
            }, TOUCHEVENT_COMPAT_WAIT + _this3._config.interval);
          }
        };

        $(this._element.querySelectorAll(Selector.ITEM_IMG)).on(Event.DRAG_START, function (e) {
          return e.preventDefault();
        });

        if (this._pointerEvent) {
          $(this._element).on(Event.POINTERDOWN, function (event) {
            return start(event);
          });
          $(this._element).on(Event.POINTERUP, function (event) {
            return end(event);
          });

          this._element.classList.add(ClassName.POINTER_EVENT);
        } else {
          $(this._element).on(Event.TOUCHSTART, function (event) {
            return start(event);
          });
          $(this._element).on(Event.TOUCHMOVE, function (event) {
            return move(event);
          });
          $(this._element).on(Event.TOUCHEND, function (event) {
            return end(event);
          });
        }
      };

      _proto._keydown = function _keydown(event) {
        if (/input|textarea/i.test(event.target.tagName)) {
          return;
        }

        switch (event.which) {
          case ARROW_LEFT_KEYCODE:
            event.preventDefault();
            this.prev();
            break;

          case ARROW_RIGHT_KEYCODE:
            event.preventDefault();
            this.next();
            break;

          default:
        }
      };

      _proto._getItemIndex = function _getItemIndex(element) {
        this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM)) : [];
        return this._items.indexOf(element);
      };

      _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
        var isNextDirection = direction === Direction.NEXT;
        var isPrevDirection = direction === Direction.PREV;

        var activeIndex = this._getItemIndex(activeElement);

        var lastItemIndex = this._items.length - 1;
        var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;

        if (isGoingToWrap && !this._config.wrap) {
          return activeElement;
        }

        var delta = direction === Direction.PREV ? -1 : 1;
        var itemIndex = (activeIndex + delta) % this._items.length;
        return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
      };

      _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
        var targetIndex = this._getItemIndex(relatedTarget);

        var fromIndex = this._getItemIndex(this._element.querySelector(Selector.ACTIVE_ITEM));

        var slideEvent = $.Event(Event.SLIDE, {
          relatedTarget: relatedTarget,
          direction: eventDirectionName,
          from: fromIndex,
          to: targetIndex
        });
        $(this._element).trigger(slideEvent);
        return slideEvent;
      };

      _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
        if (this._indicatorsElement) {
          var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE));
          $(indicators).removeClass(ClassName.ACTIVE);

          var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];

          if (nextIndicator) {
            $(nextIndicator).addClass(ClassName.ACTIVE);
          }
        }
      };

      _proto._slide = function _slide(direction, element) {
        var _this4 = this;

        var activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);

        var activeElementIndex = this._getItemIndex(activeElement);

        var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);

        var nextElementIndex = this._getItemIndex(nextElement);

        var isCycling = Boolean(this._interval);
        var directionalClassName;
        var orderClassName;
        var eventDirectionName;

        if (direction === Direction.NEXT) {
          directionalClassName = ClassName.LEFT;
          orderClassName = ClassName.NEXT;
          eventDirectionName = Direction.LEFT;
        } else {
          directionalClassName = ClassName.RIGHT;
          orderClassName = ClassName.PREV;
          eventDirectionName = Direction.RIGHT;
        }

        if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
          this._isSliding = false;
          return;
        }

        var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);

        if (slideEvent.isDefaultPrevented()) {
          return;
        }

        if (!activeElement || !nextElement) {
          // Some weirdness is happening, so we bail
          return;
        }

        this._isSliding = true;

        if (isCycling) {
          this.pause();
        }

        this._setActiveIndicatorElement(nextElement);

        var slidEvent = $.Event(Event.SLID, {
          relatedTarget: nextElement,
          direction: eventDirectionName,
          from: activeElementIndex,
          to: nextElementIndex
        });

        if ($(this._element).hasClass(ClassName.SLIDE)) {
          $(nextElement).addClass(orderClassName);
          Util.reflow(nextElement);
          $(activeElement).addClass(directionalClassName);
          $(nextElement).addClass(directionalClassName);
          var nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10);

          if (nextElementInterval) {
            this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
            this._config.interval = nextElementInterval;
          } else {
            this._config.interval = this._config.defaultInterval || this._config.interval;
          }

          var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
          $(activeElement).one(Util.TRANSITION_END, function () {
            $(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE);
            $(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName);
            _this4._isSliding = false;
            setTimeout(function () {
              return $(_this4._element).trigger(slidEvent);
            }, 0);
          }).emulateTransitionEnd(transitionDuration);
        } else {
          $(activeElement).removeClass(ClassName.ACTIVE);
          $(nextElement).addClass(ClassName.ACTIVE);
          this._isSliding = false;
          $(this._element).trigger(slidEvent);
        }

        if (isCycling) {
          this.cycle();
        }
      } // Static
      ;

      Carousel._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = _objectSpread({}, Default, $(this).data());

          if (typeof config === 'object') {
            _config = _objectSpread({}, _config, config);
          }

          var action = typeof config === 'string' ? config : _config.slide;

          if (!data) {
            data = new Carousel(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'number') {
            data.to(config);
          } else if (typeof action === 'string') {
            if (typeof data[action] === 'undefined') {
              throw new TypeError("No method named \"" + action + "\"");
            }

            data[action]();
          } else if (_config.interval && _config.ride) {
            data.pause();
            data.cycle();
          }
        });
      };

      Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
        var selector = Util.getSelectorFromElement(this);

        if (!selector) {
          return;
        }

        var target = $(selector)[0];

        if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
          return;
        }

        var config = _objectSpread({}, $(target).data(), $(this).data());

        var slideIndex = this.getAttribute('data-slide-to');

        if (slideIndex) {
          config.interval = false;
        }

        Carousel._jQueryInterface.call($(target), config);

        if (slideIndex) {
          $(target).data(DATA_KEY).to(slideIndex);
        }

        event.preventDefault();
      };

      _createClass(Carousel, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return Carousel;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
  $(window).on(Event.LOAD_DATA_API, function () {
    var carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE));

    for (var i = 0, len = carousels.length; i < len; i++) {
      var $carousel = $(carousels[i]);

      Carousel._jQueryInterface.call($carousel, $carousel.data());
    }
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Carousel._jQueryInterface;
  $.fn[NAME].Constructor = Carousel;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Carousel._jQueryInterface;
  };

  return Carousel;

}));
/*!
  * Bootstrap collapse.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Collapse = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'collapse';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.collapse';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var Default = {
    toggle: true,
    parent: ''
  };
  var DefaultType = {
    toggle: 'boolean',
    parent: '(string|element)'
  };
  var Event = {
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    SHOW: 'show',
    COLLAPSE: 'collapse',
    COLLAPSING: 'collapsing',
    COLLAPSED: 'collapsed'
  };
  var Dimension = {
    WIDTH: 'width',
    HEIGHT: 'height'
  };
  var Selector = {
    ACTIVES: '.show, .collapsing',
    DATA_TOGGLE: '[data-toggle="collapse"]'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Collapse =
    /*#__PURE__*/
    function () {
      function Collapse(element, config) {
        this._isTransitioning = false;
        this._element = element;
        this._config = this._getConfig(config);
        this._triggerArray = [].slice.call(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
        var toggleList = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));

        for (var i = 0, len = toggleList.length; i < len; i++) {
          var elem = toggleList[i];
          var selector = Util.getSelectorFromElement(elem);
          var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) {
            return foundElem === element;
          });

          if (selector !== null && filterElement.length > 0) {
            this._selector = selector;

            this._triggerArray.push(elem);
          }
        }

        this._parent = this._config.parent ? this._getParent() : null;

        if (!this._config.parent) {
          this._addAriaAndCollapsedClass(this._element, this._triggerArray);
        }

        if (this._config.toggle) {
          this.toggle();
        }
      } // Getters


      var _proto = Collapse.prototype;

      // Public
      _proto.toggle = function toggle() {
        if ($(this._element).hasClass(ClassName.SHOW)) {
          this.hide();
        } else {
          this.show();
        }
      };

      _proto.show = function show() {
        var _this = this;

        if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
          return;
        }

        var actives;
        var activesData;

        if (this._parent) {
          actives = [].slice.call(this._parent.querySelectorAll(Selector.ACTIVES)).filter(function (elem) {
            if (typeof _this._config.parent === 'string') {
              return elem.getAttribute('data-parent') === _this._config.parent;
            }

            return elem.classList.contains(ClassName.COLLAPSE);
          });

          if (actives.length === 0) {
            actives = null;
          }
        }

        if (actives) {
          activesData = $(actives).not(this._selector).data(DATA_KEY);

          if (activesData && activesData._isTransitioning) {
            return;
          }
        }

        var startEvent = $.Event(Event.SHOW);
        $(this._element).trigger(startEvent);

        if (startEvent.isDefaultPrevented()) {
          return;
        }

        if (actives) {
          Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide');

          if (!activesData) {
            $(actives).data(DATA_KEY, null);
          }
        }

        var dimension = this._getDimension();

        $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
        this._element.style[dimension] = 0;

        if (this._triggerArray.length) {
          $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
        }

        this.setTransitioning(true);

        var complete = function complete() {
          $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
          _this._element.style[dimension] = '';

          _this.setTransitioning(false);

          $(_this._element).trigger(Event.SHOWN);
        };

        var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
        var scrollSize = "scroll" + capitalizedDimension;
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        this._element.style[dimension] = this._element[scrollSize] + "px";
      };

      _proto.hide = function hide() {
        var _this2 = this;

        if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
          return;
        }

        var startEvent = $.Event(Event.HIDE);
        $(this._element).trigger(startEvent);

        if (startEvent.isDefaultPrevented()) {
          return;
        }

        var dimension = this._getDimension();

        this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
        Util.reflow(this._element);
        $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
        var triggerArrayLength = this._triggerArray.length;

        if (triggerArrayLength > 0) {
          for (var i = 0; i < triggerArrayLength; i++) {
            var trigger = this._triggerArray[i];
            var selector = Util.getSelectorFromElement(trigger);

            if (selector !== null) {
              var $elem = $([].slice.call(document.querySelectorAll(selector)));

              if (!$elem.hasClass(ClassName.SHOW)) {
                $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
              }
            }
          }
        }

        this.setTransitioning(true);

        var complete = function complete() {
          _this2.setTransitioning(false);

          $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
        };

        this._element.style[dimension] = '';
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
      };

      _proto.setTransitioning = function setTransitioning(isTransitioning) {
        this._isTransitioning = isTransitioning;
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        this._config = null;
        this._parent = null;
        this._element = null;
        this._triggerArray = null;
        this._isTransitioning = null;
      } // Private
      ;

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, Default, config);
        config.toggle = Boolean(config.toggle); // Coerce string values

        Util.typeCheckConfig(NAME, config, DefaultType);
        return config;
      };

      _proto._getDimension = function _getDimension() {
        var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
        return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
      };

      _proto._getParent = function _getParent() {
        var _this3 = this;

        var parent;

        if (Util.isElement(this._config.parent)) {
          parent = this._config.parent; // It's a jQuery object

          if (typeof this._config.parent.jquery !== 'undefined') {
            parent = this._config.parent[0];
          }
        } else {
          parent = document.querySelector(this._config.parent);
        }

        var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
        var children = [].slice.call(parent.querySelectorAll(selector));
        $(children).each(function (i, element) {
          _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
        });
        return parent;
      };

      _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
        var isOpen = $(element).hasClass(ClassName.SHOW);

        if (triggerArray.length) {
          $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
        }
      } // Static
      ;

      Collapse._getTargetFromElement = function _getTargetFromElement(element) {
        var selector = Util.getSelectorFromElement(element);
        return selector ? document.querySelector(selector) : null;
      };

      Collapse._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var $this = $(this);
          var data = $this.data(DATA_KEY);

          var _config = _objectSpread({}, Default, $this.data(), typeof config === 'object' && config ? config : {});

          if (!data && _config.toggle && /show|hide/.test(config)) {
            _config.toggle = false;
          }

          if (!data) {
            data = new Collapse(this, _config);
            $this.data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      _createClass(Collapse, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return Collapse;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
    if (event.currentTarget.tagName === 'A') {
      event.preventDefault();
    }

    var $trigger = $(this);
    var selector = Util.getSelectorFromElement(this);
    var selectors = [].slice.call(document.querySelectorAll(selector));
    $(selectors).each(function () {
      var $target = $(this);
      var data = $target.data(DATA_KEY);
      var config = data ? 'toggle' : $trigger.data();

      Collapse._jQueryInterface.call($target, config);
    });
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Collapse._jQueryInterface;
  $.fn[NAME].Constructor = Collapse;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Collapse._jQueryInterface;
  };

  return Collapse;

}));
/*!
  * Bootstrap dropdown.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util.js'], factory) :
      (global = global || self, global.Dropdown = factory(global.jQuery, global.Popper, global.Util));
}(this, function ($, Popper, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Popper = Popper && Popper.hasOwnProperty('default') ? Popper['default'] : Popper;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'dropdown';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.dropdown';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key

  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key

  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key

  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key

  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)

  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE);
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    CLICK: "click" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
    KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY,
    KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    DISABLED: 'disabled',
    SHOW: 'show',
    DROPUP: 'dropup',
    DROPRIGHT: 'dropright',
    DROPLEFT: 'dropleft',
    MENURIGHT: 'dropdown-menu-right',
    MENULEFT: 'dropdown-menu-left',
    POSITION_STATIC: 'position-static'
  };
  var Selector = {
    DATA_TOGGLE: '[data-toggle="dropdown"]',
    FORM_CHILD: '.dropdown form',
    MENU: '.dropdown-menu',
    NAVBAR_NAV: '.navbar-nav',
    VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
  };
  var AttachmentMap = {
    TOP: 'top-start',
    TOPEND: 'top-end',
    BOTTOM: 'bottom-start',
    BOTTOMEND: 'bottom-end',
    RIGHT: 'right-start',
    RIGHTEND: 'right-end',
    LEFT: 'left-start',
    LEFTEND: 'left-end'
  };
  var Default = {
    offset: 0,
    flip: true,
    boundary: 'scrollParent',
    reference: 'toggle',
    display: 'dynamic'
  };
  var DefaultType = {
    offset: '(number|string|function)',
    flip: 'boolean',
    boundary: '(string|element)',
    reference: '(string|element)',
    display: 'string'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Dropdown =
    /*#__PURE__*/
    function () {
      function Dropdown(element, config) {
        this._element = element;
        this._popper = null;
        this._config = this._getConfig(config);
        this._menu = this._getMenuElement();
        this._inNavbar = this._detectNavbar();

        this._addEventListeners();
      } // Getters


      var _proto = Dropdown.prototype;

      // Public
      _proto.toggle = function toggle() {
        if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
          return;
        }

        var parent = Dropdown._getParentFromElement(this._element);

        var isActive = $(this._menu).hasClass(ClassName.SHOW);

        Dropdown._clearMenus();

        if (isActive) {
          return;
        }

        var relatedTarget = {
          relatedTarget: this._element
        };
        var showEvent = $.Event(Event.SHOW, relatedTarget);
        $(parent).trigger(showEvent);

        if (showEvent.isDefaultPrevented()) {
          return;
        } // Disable totally Popper.js for Dropdown in Navbar


        if (!this._inNavbar) {
          /**
           * Check for Popper dependency
           * Popper - https://popper.js.org
           */
          if (typeof Popper === 'undefined') {
            throw new TypeError('Bootstrap\'s dropdowns require Popper.js (https://popper.js.org/)');
          }

          var referenceElement = this._element;

          if (this._config.reference === 'parent') {
            referenceElement = parent;
          } else if (Util.isElement(this._config.reference)) {
            referenceElement = this._config.reference; // Check if it's jQuery element

            if (typeof this._config.reference.jquery !== 'undefined') {
              referenceElement = this._config.reference[0];
            }
          } // If boundary is not `scrollParent`, then set position to `static`
          // to allow the menu to "escape" the scroll parent's boundaries
          // https://github.com/twbs/bootstrap/issues/24251


          if (this._config.boundary !== 'scrollParent') {
            $(parent).addClass(ClassName.POSITION_STATIC);
          }

          this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
        } // If this is a touch-enabled device we add extra
        // empty mouseover listeners to the body's immediate children;
        // only needed because of broken event delegation on iOS
        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html


        if ('ontouchstart' in document.documentElement && $(parent).closest(Selector.NAVBAR_NAV).length === 0) {
          $(document.body).children().on('mouseover', null, $.noop);
        }

        this._element.focus();

        this._element.setAttribute('aria-expanded', true);

        $(this._menu).toggleClass(ClassName.SHOW);
        $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
      };

      _proto.show = function show() {
        if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED) || $(this._menu).hasClass(ClassName.SHOW)) {
          return;
        }

        var relatedTarget = {
          relatedTarget: this._element
        };
        var showEvent = $.Event(Event.SHOW, relatedTarget);

        var parent = Dropdown._getParentFromElement(this._element);

        $(parent).trigger(showEvent);

        if (showEvent.isDefaultPrevented()) {
          return;
        }

        $(this._menu).toggleClass(ClassName.SHOW);
        $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
      };

      _proto.hide = function hide() {
        if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED) || !$(this._menu).hasClass(ClassName.SHOW)) {
          return;
        }

        var relatedTarget = {
          relatedTarget: this._element
        };
        var hideEvent = $.Event(Event.HIDE, relatedTarget);

        var parent = Dropdown._getParentFromElement(this._element);

        $(parent).trigger(hideEvent);

        if (hideEvent.isDefaultPrevented()) {
          return;
        }

        $(this._menu).toggleClass(ClassName.SHOW);
        $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        $(this._element).off(EVENT_KEY);
        this._element = null;
        this._menu = null;

        if (this._popper !== null) {
          this._popper.destroy();

          this._popper = null;
        }
      };

      _proto.update = function update() {
        this._inNavbar = this._detectNavbar();

        if (this._popper !== null) {
          this._popper.scheduleUpdate();
        }
      } // Private
      ;

      _proto._addEventListeners = function _addEventListeners() {
        var _this = this;

        $(this._element).on(Event.CLICK, function (event) {
          event.preventDefault();
          event.stopPropagation();

          _this.toggle();
        });
      };

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, this.constructor.Default, $(this._element).data(), config);
        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
        return config;
      };

      _proto._getMenuElement = function _getMenuElement() {
        if (!this._menu) {
          var parent = Dropdown._getParentFromElement(this._element);

          if (parent) {
            this._menu = parent.querySelector(Selector.MENU);
          }
        }

        return this._menu;
      };

      _proto._getPlacement = function _getPlacement() {
        var $parentDropdown = $(this._element.parentNode);
        var placement = AttachmentMap.BOTTOM; // Handle dropup

        if ($parentDropdown.hasClass(ClassName.DROPUP)) {
          placement = AttachmentMap.TOP;

          if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
            placement = AttachmentMap.TOPEND;
          }
        } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {
          placement = AttachmentMap.RIGHT;
        } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {
          placement = AttachmentMap.LEFT;
        } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
          placement = AttachmentMap.BOTTOMEND;
        }

        return placement;
      };

      _proto._detectNavbar = function _detectNavbar() {
        return $(this._element).closest('.navbar').length > 0;
      };

      _proto._getOffset = function _getOffset() {
        var _this2 = this;

        var offset = {};

        if (typeof this._config.offset === 'function') {
          offset.fn = function (data) {
            data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets, _this2._element) || {});
            return data;
          };
        } else {
          offset.offset = this._config.offset;
        }

        return offset;
      };

      _proto._getPopperConfig = function _getPopperConfig() {
        var popperConfig = {
          placement: this._getPlacement(),
          modifiers: {
            offset: this._getOffset(),
            flip: {
              enabled: this._config.flip
            },
            preventOverflow: {
              boundariesElement: this._config.boundary
            }
          } // Disable Popper.js if we have a static display

        };

        if (this._config.display === 'static') {
          popperConfig.modifiers.applyStyle = {
            enabled: false
          };
        }

        return popperConfig;
      } // Static
      ;

      Dropdown._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = typeof config === 'object' ? config : null;

          if (!data) {
            data = new Dropdown(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      Dropdown._clearMenus = function _clearMenus(event) {
        if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
          return;
        }

        var toggles = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));

        for (var i = 0, len = toggles.length; i < len; i++) {
          var parent = Dropdown._getParentFromElement(toggles[i]);

          var context = $(toggles[i]).data(DATA_KEY);
          var relatedTarget = {
            relatedTarget: toggles[i]
          };

          if (event && event.type === 'click') {
            relatedTarget.clickEvent = event;
          }

          if (!context) {
            continue;
          }

          var dropdownMenu = context._menu;

          if (!$(parent).hasClass(ClassName.SHOW)) {
            continue;
          }

          if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
            continue;
          }

          var hideEvent = $.Event(Event.HIDE, relatedTarget);
          $(parent).trigger(hideEvent);

          if (hideEvent.isDefaultPrevented()) {
            continue;
          } // If this is a touch-enabled device we remove the extra
          // empty mouseover listeners we added for iOS support


          if ('ontouchstart' in document.documentElement) {
            $(document.body).children().off('mouseover', null, $.noop);
          }

          toggles[i].setAttribute('aria-expanded', 'false');
          $(dropdownMenu).removeClass(ClassName.SHOW);
          $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
        }
      };

      Dropdown._getParentFromElement = function _getParentFromElement(element) {
        var parent;
        var selector = Util.getSelectorFromElement(element);

        if (selector) {
          parent = document.querySelector(selector);
        }

        return parent || element.parentNode;
      } // eslint-disable-next-line complexity
      ;

      Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
        // If not input/textarea:
        //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
        // If input/textarea:
        //  - If space key => not a dropdown command
        //  - If key is other than escape
        //    - If key is not up or down => not a dropdown command
        //    - If trigger inside the menu => not a dropdown command
        if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
          return;
        }

        event.preventDefault();
        event.stopPropagation();

        if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
          return;
        }

        var parent = Dropdown._getParentFromElement(this);

        var isActive = $(parent).hasClass(ClassName.SHOW);

        if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
          if (event.which === ESCAPE_KEYCODE) {
            var toggle = parent.querySelector(Selector.DATA_TOGGLE);
            $(toggle).trigger('focus');
          }

          $(this).trigger('click');
          return;
        }

        var items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS));

        if (items.length === 0) {
          return;
        }

        var index = items.indexOf(event.target);

        if (event.which === ARROW_UP_KEYCODE && index > 0) {
          // Up
          index--;
        }

        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
          // Down
          index++;
        }

        if (index < 0) {
          index = 0;
        }

        items[index].focus();
      };

      _createClass(Dropdown, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }, {
        key: "DefaultType",
        get: function get() {
          return DefaultType;
        }
      }]);

      return Dropdown;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    event.preventDefault();
    event.stopPropagation();

    Dropdown._jQueryInterface.call($(this), 'toggle');
  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
    e.stopPropagation();
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Dropdown._jQueryInterface;
  $.fn[NAME].Constructor = Dropdown;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Dropdown._jQueryInterface;
  };

  return Dropdown;

}));
/*!
  * Bootstrap modal.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Modal = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'modal';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.modal';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var Default = {
    backdrop: true,
    keyboard: true,
    focus: true,
    show: true
  };
  var DefaultType = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean',
    show: 'boolean'
  };
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    FOCUSIN: "focusin" + EVENT_KEY,
    RESIZE: "resize" + EVENT_KEY,
    CLICK_DISMISS: "click.dismiss" + EVENT_KEY,
    KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY,
    MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY,
    MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    SCROLLABLE: 'modal-dialog-scrollable',
    SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
    BACKDROP: 'modal-backdrop',
    OPEN: 'modal-open',
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    DIALOG: '.modal-dialog',
    MODAL_BODY: '.modal-body',
    DATA_TOGGLE: '[data-toggle="modal"]',
    DATA_DISMISS: '[data-dismiss="modal"]',
    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
    STICKY_CONTENT: '.sticky-top'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Modal =
    /*#__PURE__*/
    function () {
      function Modal(element, config) {
        this._config = this._getConfig(config);
        this._element = element;
        this._dialog = element.querySelector(Selector.DIALOG);
        this._backdrop = null;
        this._isShown = false;
        this._isBodyOverflowing = false;
        this._ignoreBackdropClick = false;
        this._isTransitioning = false;
        this._scrollbarWidth = 0;
      } // Getters


      var _proto = Modal.prototype;

      // Public
      _proto.toggle = function toggle(relatedTarget) {
        return this._isShown ? this.hide() : this.show(relatedTarget);
      };

      _proto.show = function show(relatedTarget) {
        var _this = this;

        if (this._isShown || this._isTransitioning) {
          return;
        }

        if ($(this._element).hasClass(ClassName.FADE)) {
          this._isTransitioning = true;
        }

        var showEvent = $.Event(Event.SHOW, {
          relatedTarget: relatedTarget
        });
        $(this._element).trigger(showEvent);

        if (this._isShown || showEvent.isDefaultPrevented()) {
          return;
        }

        this._isShown = true;

        this._checkScrollbar();

        this._setScrollbar();

        this._adjustDialog();

        this._setEscapeEvent();

        this._setResizeEvent();

        $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
          return _this.hide(event);
        });
        $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
          $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
            if ($(event.target).is(_this._element)) {
              _this._ignoreBackdropClick = true;
            }
          });
        });

        this._showBackdrop(function () {
          return _this._showElement(relatedTarget);
        });
      };

      _proto.hide = function hide(event) {
        var _this2 = this;

        if (event) {
          event.preventDefault();
        }

        if (!this._isShown || this._isTransitioning) {
          return;
        }

        var hideEvent = $.Event(Event.HIDE);
        $(this._element).trigger(hideEvent);

        if (!this._isShown || hideEvent.isDefaultPrevented()) {
          return;
        }

        this._isShown = false;
        var transition = $(this._element).hasClass(ClassName.FADE);

        if (transition) {
          this._isTransitioning = true;
        }

        this._setEscapeEvent();

        this._setResizeEvent();

        $(document).off(Event.FOCUSIN);
        $(this._element).removeClass(ClassName.SHOW);
        $(this._element).off(Event.CLICK_DISMISS);
        $(this._dialog).off(Event.MOUSEDOWN_DISMISS);

        if (transition) {
          var transitionDuration = Util.getTransitionDurationFromElement(this._element);
          $(this._element).one(Util.TRANSITION_END, function (event) {
            return _this2._hideModal(event);
          }).emulateTransitionEnd(transitionDuration);
        } else {
          this._hideModal();
        }
      };

      _proto.dispose = function dispose() {
        [window, this._element, this._dialog].forEach(function (htmlElement) {
          return $(htmlElement).off(EVENT_KEY);
        });
        /**
         * `document` has 2 events `Event.FOCUSIN` and `Event.CLICK_DATA_API`
         * Do not move `document` in `htmlElements` array
         * It will remove `Event.CLICK_DATA_API` event that should remain
         */

        $(document).off(Event.FOCUSIN);
        $.removeData(this._element, DATA_KEY);
        this._config = null;
        this._element = null;
        this._dialog = null;
        this._backdrop = null;
        this._isShown = null;
        this._isBodyOverflowing = null;
        this._ignoreBackdropClick = null;
        this._isTransitioning = null;
        this._scrollbarWidth = null;
      };

      _proto.handleUpdate = function handleUpdate() {
        this._adjustDialog();
      } // Private
      ;

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, Default, config);
        Util.typeCheckConfig(NAME, config, DefaultType);
        return config;
      };

      _proto._showElement = function _showElement(relatedTarget) {
        var _this3 = this;

        var transition = $(this._element).hasClass(ClassName.FADE);

        if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
          // Don't move modal's DOM position
          document.body.appendChild(this._element);
        }

        this._element.style.display = 'block';

        this._element.removeAttribute('aria-hidden');

        this._element.setAttribute('aria-modal', true);

        if ($(this._dialog).hasClass(ClassName.SCROLLABLE)) {
          this._dialog.querySelector(Selector.MODAL_BODY).scrollTop = 0;
        } else {
          this._element.scrollTop = 0;
        }

        if (transition) {
          Util.reflow(this._element);
        }

        $(this._element).addClass(ClassName.SHOW);

        if (this._config.focus) {
          this._enforceFocus();
        }

        var shownEvent = $.Event(Event.SHOWN, {
          relatedTarget: relatedTarget
        });

        var transitionComplete = function transitionComplete() {
          if (_this3._config.focus) {
            _this3._element.focus();
          }

          _this3._isTransitioning = false;
          $(_this3._element).trigger(shownEvent);
        };

        if (transition) {
          var transitionDuration = Util.getTransitionDurationFromElement(this._dialog);
          $(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
        } else {
          transitionComplete();
        }
      };

      _proto._enforceFocus = function _enforceFocus() {
        var _this4 = this;

        $(document).off(Event.FOCUSIN) // Guard against infinite focus loop
          .on(Event.FOCUSIN, function (event) {
            if (document !== event.target && _this4._element !== event.target && $(_this4._element).has(event.target).length === 0) {
              _this4._element.focus();
            }
          });
      };

      _proto._setEscapeEvent = function _setEscapeEvent() {
        var _this5 = this;

        if (this._isShown && this._config.keyboard) {
          $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
            if (event.which === ESCAPE_KEYCODE) {
              event.preventDefault();

              _this5.hide();
            }
          });
        } else if (!this._isShown) {
          $(this._element).off(Event.KEYDOWN_DISMISS);
        }
      };

      _proto._setResizeEvent = function _setResizeEvent() {
        var _this6 = this;

        if (this._isShown) {
          $(window).on(Event.RESIZE, function (event) {
            return _this6.handleUpdate(event);
          });
        } else {
          $(window).off(Event.RESIZE);
        }
      };

      _proto._hideModal = function _hideModal() {
        var _this7 = this;

        this._element.style.display = 'none';

        this._element.setAttribute('aria-hidden', true);

        this._element.removeAttribute('aria-modal');

        this._isTransitioning = false;

        this._showBackdrop(function () {
          $(document.body).removeClass(ClassName.OPEN);

          _this7._resetAdjustments();

          _this7._resetScrollbar();

          $(_this7._element).trigger(Event.HIDDEN);
        });
      };

      _proto._removeBackdrop = function _removeBackdrop() {
        if (this._backdrop) {
          $(this._backdrop).remove();
          this._backdrop = null;
        }
      };

      _proto._showBackdrop = function _showBackdrop(callback) {
        var _this8 = this;

        var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';

        if (this._isShown && this._config.backdrop) {
          this._backdrop = document.createElement('div');
          this._backdrop.className = ClassName.BACKDROP;

          if (animate) {
            this._backdrop.classList.add(animate);
          }

          $(this._backdrop).appendTo(document.body);
          $(this._element).on(Event.CLICK_DISMISS, function (event) {
            if (_this8._ignoreBackdropClick) {
              _this8._ignoreBackdropClick = false;
              return;
            }

            if (event.target !== event.currentTarget) {
              return;
            }

            if (_this8._config.backdrop === 'static') {
              _this8._element.focus();
            } else {
              _this8.hide();
            }
          });

          if (animate) {
            Util.reflow(this._backdrop);
          }

          $(this._backdrop).addClass(ClassName.SHOW);

          if (!callback) {
            return;
          }

          if (!animate) {
            callback();
            return;
          }

          var backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
          $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
        } else if (!this._isShown && this._backdrop) {
          $(this._backdrop).removeClass(ClassName.SHOW);

          var callbackRemove = function callbackRemove() {
            _this8._removeBackdrop();

            if (callback) {
              callback();
            }
          };

          if ($(this._element).hasClass(ClassName.FADE)) {
            var _backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);

            $(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
          } else {
            callbackRemove();
          }
        } else if (callback) {
          callback();
        }
      } // ----------------------------------------------------------------------
      // the following methods are used to handle overflowing modals
      // todo (fat): these should probably be refactored out of modal.js
      // ----------------------------------------------------------------------
      ;

      _proto._adjustDialog = function _adjustDialog() {
        var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

        if (!this._isBodyOverflowing && isModalOverflowing) {
          this._element.style.paddingLeft = this._scrollbarWidth + "px";
        }

        if (this._isBodyOverflowing && !isModalOverflowing) {
          this._element.style.paddingRight = this._scrollbarWidth + "px";
        }
      };

      _proto._resetAdjustments = function _resetAdjustments() {
        this._element.style.paddingLeft = '';
        this._element.style.paddingRight = '';
      };

      _proto._checkScrollbar = function _checkScrollbar() {
        var rect = document.body.getBoundingClientRect();
        this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
        this._scrollbarWidth = this._getScrollbarWidth();
      };

      _proto._setScrollbar = function _setScrollbar() {
        var _this9 = this;

        if (this._isBodyOverflowing) {
          // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
          //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
          var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
          var stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT)); // Adjust fixed content padding

          $(fixedContent).each(function (index, element) {
            var actualPadding = element.style.paddingRight;
            var calculatedPadding = $(element).css('padding-right');
            $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px");
          }); // Adjust sticky content margin

          $(stickyContent).each(function (index, element) {
            var actualMargin = element.style.marginRight;
            var calculatedMargin = $(element).css('margin-right');
            $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px");
          }); // Adjust body padding

          var actualPadding = document.body.style.paddingRight;
          var calculatedPadding = $(document.body).css('padding-right');
          $(document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
        }

        $(document.body).addClass(ClassName.OPEN);
      };

      _proto._resetScrollbar = function _resetScrollbar() {
        // Restore fixed content padding
        var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
        $(fixedContent).each(function (index, element) {
          var padding = $(element).data('padding-right');
          $(element).removeData('padding-right');
          element.style.paddingRight = padding ? padding : '';
        }); // Restore sticky content

        var elements = [].slice.call(document.querySelectorAll("" + Selector.STICKY_CONTENT));
        $(elements).each(function (index, element) {
          var margin = $(element).data('margin-right');

          if (typeof margin !== 'undefined') {
            $(element).css('margin-right', margin).removeData('margin-right');
          }
        }); // Restore body padding

        var padding = $(document.body).data('padding-right');
        $(document.body).removeData('padding-right');
        document.body.style.paddingRight = padding ? padding : '';
      };

      _proto._getScrollbarWidth = function _getScrollbarWidth() {
        // thx d.walsh
        var scrollDiv = document.createElement('div');
        scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
        document.body.appendChild(scrollDiv);
        var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
        document.body.removeChild(scrollDiv);
        return scrollbarWidth;
      } // Static
      ;

      Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = _objectSpread({}, Default, $(this).data(), typeof config === 'object' && config ? config : {});

          if (!data) {
            data = new Modal(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config](relatedTarget);
          } else if (_config.show) {
            data.show(relatedTarget);
          }
        });
      };

      _createClass(Modal, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return Modal;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    var _this10 = this;

    var target;
    var selector = Util.getSelectorFromElement(this);

    if (selector) {
      target = document.querySelector(selector);
    }

    var config = $(target).data(DATA_KEY) ? 'toggle' : _objectSpread({}, $(target).data(), $(this).data());

    if (this.tagName === 'A' || this.tagName === 'AREA') {
      event.preventDefault();
    }

    var $target = $(target).one(Event.SHOW, function (showEvent) {
      if (showEvent.isDefaultPrevented()) {
        // Only register focus restorer if modal will actually get shown
        return;
      }

      $target.one(Event.HIDDEN, function () {
        if ($(_this10).is(':visible')) {
          _this10.focus();
        }
      });
    });

    Modal._jQueryInterface.call($(target), config, this);
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Modal._jQueryInterface;
  $.fn[NAME].Constructor = Modal;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Modal._jQueryInterface;
  };

  return Modal;

}));
/*!
  * Bootstrap tooltip.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util.js'], factory) :
      (global = global || self, global.Tooltip = factory(global.jQuery, global.Popper, global.Util));
}(this, function ($, Popper, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Popper = Popper && Popper.hasOwnProperty('default') ? Popper['default'] : Popper;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.3.1): tools/sanitizer.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  var uriAttrs = ['background', 'cite', 'href', 'itemtype', 'longdesc', 'poster', 'src', 'xlink:href'];
  var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i;
  var DefaultWhitelist = {
    // Global attributes allowed on any supplied element below.
    '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
    a: ['target', 'href', 'title', 'rel'],
    area: [],
    b: [],
    br: [],
    col: [],
    code: [],
    div: [],
    em: [],
    hr: [],
    h1: [],
    h2: [],
    h3: [],
    h4: [],
    h5: [],
    h6: [],
    i: [],
    img: ['src', 'alt', 'title', 'width', 'height'],
    li: [],
    ol: [],
    p: [],
    pre: [],
    s: [],
    small: [],
    span: [],
    sub: [],
    sup: [],
    strong: [],
    u: [],
    ul: []
    /**
     * A pattern that recognizes a commonly useful subset of URLs that are safe.
     *
     * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
     */

  };
  var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi;
  /**
   * A pattern that matches safe data URLs. Only matches image, video and audio types.
   *
   * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
   */

  var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+/]+=*$/i;

  function allowedAttribute(attr, allowedAttributeList) {
    var attrName = attr.nodeName.toLowerCase();

    if (allowedAttributeList.indexOf(attrName) !== -1) {
      if (uriAttrs.indexOf(attrName) !== -1) {
        return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN));
      }

      return true;
    }

    var regExp = allowedAttributeList.filter(function (attrRegex) {
      return attrRegex instanceof RegExp;
    }); // Check if a regular expression validates the attribute.

    for (var i = 0, l = regExp.length; i < l; i++) {
      if (attrName.match(regExp[i])) {
        return true;
      }
    }

    return false;
  }

  function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
    if (unsafeHtml.length === 0) {
      return unsafeHtml;
    }

    if (sanitizeFn && typeof sanitizeFn === 'function') {
      return sanitizeFn(unsafeHtml);
    }

    var domParser = new window.DOMParser();
    var createdDocument = domParser.parseFromString(unsafeHtml, 'text/html');
    var whitelistKeys = Object.keys(whiteList);
    var elements = [].slice.call(createdDocument.body.querySelectorAll('*'));

    var _loop = function _loop(i, len) {
      var el = elements[i];
      var elName = el.nodeName.toLowerCase();

      if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {
        el.parentNode.removeChild(el);
        return "continue";
      }

      var attributeList = [].slice.call(el.attributes);
      var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || []);
      attributeList.forEach(function (attr) {
        if (!allowedAttribute(attr, whitelistedAttributes)) {
          el.removeAttribute(attr.nodeName);
        }
      });
    };

    for (var i = 0, len = elements.length; i < len; i++) {
      var _ret = _loop(i, len);

      if (_ret === "continue") continue;
    }

    return createdDocument.body.innerHTML;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'tooltip';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.tooltip';
  var EVENT_KEY = "." + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var CLASS_PREFIX = 'bs-tooltip';
  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
  var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn'];
  var DefaultType = {
    animation: 'boolean',
    template: 'string',
    title: '(string|element|function)',
    trigger: 'string',
    delay: '(number|object)',
    html: 'boolean',
    selector: '(string|boolean)',
    placement: '(string|function)',
    offset: '(number|string|function)',
    container: '(string|element|boolean)',
    fallbackPlacement: '(string|array)',
    boundary: '(string|element)',
    sanitize: 'boolean',
    sanitizeFn: '(null|function)',
    whiteList: 'object'
  };
  var AttachmentMap = {
    AUTO: 'auto',
    TOP: 'top',
    RIGHT: 'right',
    BOTTOM: 'bottom',
    LEFT: 'left'
  };
  var Default = {
    animation: true,
    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow"></div>' + '<div class="tooltip-inner"></div></div>',
    trigger: 'hover focus',
    title: '',
    delay: 0,
    html: false,
    selector: false,
    placement: 'top',
    offset: 0,
    container: false,
    fallbackPlacement: 'flip',
    boundary: 'scrollParent',
    sanitize: true,
    sanitizeFn: null,
    whiteList: DefaultWhitelist
  };
  var HoverState = {
    SHOW: 'show',
    OUT: 'out'
  };
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    INSERTED: "inserted" + EVENT_KEY,
    CLICK: "click" + EVENT_KEY,
    FOCUSIN: "focusin" + EVENT_KEY,
    FOCUSOUT: "focusout" + EVENT_KEY,
    MOUSEENTER: "mouseenter" + EVENT_KEY,
    MOUSELEAVE: "mouseleave" + EVENT_KEY
  };
  var ClassName = {
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    TOOLTIP: '.tooltip',
    TOOLTIP_INNER: '.tooltip-inner',
    ARROW: '.arrow'
  };
  var Trigger = {
    HOVER: 'hover',
    FOCUS: 'focus',
    CLICK: 'click',
    MANUAL: 'manual'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Tooltip =
    /*#__PURE__*/
    function () {
      function Tooltip(element, config) {
        /**
         * Check for Popper dependency
         * Popper - https://popper.js.org
         */
        if (typeof Popper === 'undefined') {
          throw new TypeError('Bootstrap\'s tooltips require Popper.js (https://popper.js.org/)');
        } // private


        this._isEnabled = true;
        this._timeout = 0;
        this._hoverState = '';
        this._activeTrigger = {};
        this._popper = null; // Protected

        this.element = element;
        this.config = this._getConfig(config);
        this.tip = null;

        this._setListeners();
      } // Getters


      var _proto = Tooltip.prototype;

      // Public
      _proto.enable = function enable() {
        this._isEnabled = true;
      };

      _proto.disable = function disable() {
        this._isEnabled = false;
      };

      _proto.toggleEnabled = function toggleEnabled() {
        this._isEnabled = !this._isEnabled;
      };

      _proto.toggle = function toggle(event) {
        if (!this._isEnabled) {
          return;
        }

        if (event) {
          var dataKey = this.constructor.DATA_KEY;
          var context = $(event.currentTarget).data(dataKey);

          if (!context) {
            context = new this.constructor(event.currentTarget, this._getDelegateConfig());
            $(event.currentTarget).data(dataKey, context);
          }

          context._activeTrigger.click = !context._activeTrigger.click;

          if (context._isWithActiveTrigger()) {
            context._enter(null, context);
          } else {
            context._leave(null, context);
          }
        } else {
          if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
            this._leave(null, this);

            return;
          }

          this._enter(null, this);
        }
      };

      _proto.dispose = function dispose() {
        clearTimeout(this._timeout);
        $.removeData(this.element, this.constructor.DATA_KEY);
        $(this.element).off(this.constructor.EVENT_KEY);
        $(this.element).closest('.modal').off('hide.bs.modal');

        if (this.tip) {
          $(this.tip).remove();
        }

        this._isEnabled = null;
        this._timeout = null;
        this._hoverState = null;
        this._activeTrigger = null;

        if (this._popper !== null) {
          this._popper.destroy();
        }

        this._popper = null;
        this.element = null;
        this.config = null;
        this.tip = null;
      };

      _proto.show = function show() {
        var _this = this;

        if ($(this.element).css('display') === 'none') {
          throw new Error('Please use show on visible elements');
        }

        var showEvent = $.Event(this.constructor.Event.SHOW);

        if (this.isWithContent() && this._isEnabled) {
          $(this.element).trigger(showEvent);
          var shadowRoot = Util.findShadowRoot(this.element);
          var isInTheDom = $.contains(shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement, this.element);

          if (showEvent.isDefaultPrevented() || !isInTheDom) {
            return;
          }

          var tip = this.getTipElement();
          var tipId = Util.getUID(this.constructor.NAME);
          tip.setAttribute('id', tipId);
          this.element.setAttribute('aria-describedby', tipId);
          this.setContent();

          if (this.config.animation) {
            $(tip).addClass(ClassName.FADE);
          }

          var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;

          var attachment = this._getAttachment(placement);

          this.addAttachmentClass(attachment);

          var container = this._getContainer();

          $(tip).data(this.constructor.DATA_KEY, this);

          if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
            $(tip).appendTo(container);
          }

          $(this.element).trigger(this.constructor.Event.INSERTED);
          this._popper = new Popper(this.element, tip, {
            placement: attachment,
            modifiers: {
              offset: this._getOffset(),
              flip: {
                behavior: this.config.fallbackPlacement
              },
              arrow: {
                element: Selector.ARROW
              },
              preventOverflow: {
                boundariesElement: this.config.boundary
              }
            },
            onCreate: function onCreate(data) {
              if (data.originalPlacement !== data.placement) {
                _this._handlePopperPlacementChange(data);
              }
            },
            onUpdate: function onUpdate(data) {
              return _this._handlePopperPlacementChange(data);
            }
          });
          $(tip).addClass(ClassName.SHOW); // If this is a touch-enabled device we add extra
          // empty mouseover listeners to the body's immediate children;
          // only needed because of broken event delegation on iOS
          // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html

          if ('ontouchstart' in document.documentElement) {
            $(document.body).children().on('mouseover', null, $.noop);
          }

          var complete = function complete() {
            if (_this.config.animation) {
              _this._fixTransition();
            }

            var prevHoverState = _this._hoverState;
            _this._hoverState = null;
            $(_this.element).trigger(_this.constructor.Event.SHOWN);

            if (prevHoverState === HoverState.OUT) {
              _this._leave(null, _this);
            }
          };

          if ($(this.tip).hasClass(ClassName.FADE)) {
            var transitionDuration = Util.getTransitionDurationFromElement(this.tip);
            $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
          } else {
            complete();
          }
        }
      };

      _proto.hide = function hide(callback) {
        var _this2 = this;

        var tip = this.getTipElement();
        var hideEvent = $.Event(this.constructor.Event.HIDE);

        var complete = function complete() {
          if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
            tip.parentNode.removeChild(tip);
          }

          _this2._cleanTipClass();

          _this2.element.removeAttribute('aria-describedby');

          $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);

          if (_this2._popper !== null) {
            _this2._popper.destroy();
          }

          if (callback) {
            callback();
          }
        };

        $(this.element).trigger(hideEvent);

        if (hideEvent.isDefaultPrevented()) {
          return;
        }

        $(tip).removeClass(ClassName.SHOW); // If this is a touch-enabled device we remove the extra
        // empty mouseover listeners we added for iOS support

        if ('ontouchstart' in document.documentElement) {
          $(document.body).children().off('mouseover', null, $.noop);
        }

        this._activeTrigger[Trigger.CLICK] = false;
        this._activeTrigger[Trigger.FOCUS] = false;
        this._activeTrigger[Trigger.HOVER] = false;

        if ($(this.tip).hasClass(ClassName.FADE)) {
          var transitionDuration = Util.getTransitionDurationFromElement(tip);
          $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        } else {
          complete();
        }

        this._hoverState = '';
      };

      _proto.update = function update() {
        if (this._popper !== null) {
          this._popper.scheduleUpdate();
        }
      } // Protected
      ;

      _proto.isWithContent = function isWithContent() {
        return Boolean(this.getTitle());
      };

      _proto.addAttachmentClass = function addAttachmentClass(attachment) {
        $(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
      };

      _proto.getTipElement = function getTipElement() {
        this.tip = this.tip || $(this.config.template)[0];
        return this.tip;
      };

      _proto.setContent = function setContent() {
        var tip = this.getTipElement();
        this.setElementContent($(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle());
        $(tip).removeClass(ClassName.FADE + " " + ClassName.SHOW);
      };

      _proto.setElementContent = function setElementContent($element, content) {
        if (typeof content === 'object' && (content.nodeType || content.jquery)) {
          // Content is a DOM node or a jQuery
          if (this.config.html) {
            if (!$(content).parent().is($element)) {
              $element.empty().append(content);
            }
          } else {
            $element.text($(content).text());
          }

          return;
        }

        if (this.config.html) {
          if (this.config.sanitize) {
            content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn);
          }

          $element.html(content);
        } else {
          $element.text(content);
        }
      };

      _proto.getTitle = function getTitle() {
        var title = this.element.getAttribute('data-original-title');

        if (!title) {
          title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
        }

        return title;
      } // Private
      ;

      _proto._getOffset = function _getOffset() {
        var _this3 = this;

        var offset = {};

        if (typeof this.config.offset === 'function') {
          offset.fn = function (data) {
            data.offsets = _objectSpread({}, data.offsets, _this3.config.offset(data.offsets, _this3.element) || {});
            return data;
          };
        } else {
          offset.offset = this.config.offset;
        }

        return offset;
      };

      _proto._getContainer = function _getContainer() {
        if (this.config.container === false) {
          return document.body;
        }

        if (Util.isElement(this.config.container)) {
          return $(this.config.container);
        }

        return $(document).find(this.config.container);
      };

      _proto._getAttachment = function _getAttachment(placement) {
        return AttachmentMap[placement.toUpperCase()];
      };

      _proto._setListeners = function _setListeners() {
        var _this4 = this;

        var triggers = this.config.trigger.split(' ');
        triggers.forEach(function (trigger) {
          if (trigger === 'click') {
            $(_this4.element).on(_this4.constructor.Event.CLICK, _this4.config.selector, function (event) {
              return _this4.toggle(event);
            });
          } else if (trigger !== Trigger.MANUAL) {
            var eventIn = trigger === Trigger.HOVER ? _this4.constructor.Event.MOUSEENTER : _this4.constructor.Event.FOCUSIN;
            var eventOut = trigger === Trigger.HOVER ? _this4.constructor.Event.MOUSELEAVE : _this4.constructor.Event.FOCUSOUT;
            $(_this4.element).on(eventIn, _this4.config.selector, function (event) {
              return _this4._enter(event);
            }).on(eventOut, _this4.config.selector, function (event) {
              return _this4._leave(event);
            });
          }
        });
        $(this.element).closest('.modal').on('hide.bs.modal', function () {
          if (_this4.element) {
            _this4.hide();
          }
        });

        if (this.config.selector) {
          this.config = _objectSpread({}, this.config, {
            trigger: 'manual',
            selector: ''
          });
        } else {
          this._fixTitle();
        }
      };

      _proto._fixTitle = function _fixTitle() {
        var titleType = typeof this.element.getAttribute('data-original-title');

        if (this.element.getAttribute('title') || titleType !== 'string') {
          this.element.setAttribute('data-original-title', this.element.getAttribute('title') || '');
          this.element.setAttribute('title', '');
        }
      };

      _proto._enter = function _enter(event, context) {
        var dataKey = this.constructor.DATA_KEY;
        context = context || $(event.currentTarget).data(dataKey);

        if (!context) {
          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
          $(event.currentTarget).data(dataKey, context);
        }

        if (event) {
          context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
        }

        if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
          context._hoverState = HoverState.SHOW;
          return;
        }

        clearTimeout(context._timeout);
        context._hoverState = HoverState.SHOW;

        if (!context.config.delay || !context.config.delay.show) {
          context.show();
          return;
        }

        context._timeout = setTimeout(function () {
          if (context._hoverState === HoverState.SHOW) {
            context.show();
          }
        }, context.config.delay.show);
      };

      _proto._leave = function _leave(event, context) {
        var dataKey = this.constructor.DATA_KEY;
        context = context || $(event.currentTarget).data(dataKey);

        if (!context) {
          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
          $(event.currentTarget).data(dataKey, context);
        }

        if (event) {
          context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false;
        }

        if (context._isWithActiveTrigger()) {
          return;
        }

        clearTimeout(context._timeout);
        context._hoverState = HoverState.OUT;

        if (!context.config.delay || !context.config.delay.hide) {
          context.hide();
          return;
        }

        context._timeout = setTimeout(function () {
          if (context._hoverState === HoverState.OUT) {
            context.hide();
          }
        }, context.config.delay.hide);
      };

      _proto._isWithActiveTrigger = function _isWithActiveTrigger() {
        for (var trigger in this._activeTrigger) {
          if (this._activeTrigger[trigger]) {
            return true;
          }
        }

        return false;
      };

      _proto._getConfig = function _getConfig(config) {
        var dataAttributes = $(this.element).data();
        Object.keys(dataAttributes).forEach(function (dataAttr) {
          if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {
            delete dataAttributes[dataAttr];
          }
        });
        config = _objectSpread({}, this.constructor.Default, dataAttributes, typeof config === 'object' && config ? config : {});

        if (typeof config.delay === 'number') {
          config.delay = {
            show: config.delay,
            hide: config.delay
          };
        }

        if (typeof config.title === 'number') {
          config.title = config.title.toString();
        }

        if (typeof config.content === 'number') {
          config.content = config.content.toString();
        }

        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);

        if (config.sanitize) {
          config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn);
        }

        return config;
      };

      _proto._getDelegateConfig = function _getDelegateConfig() {
        var config = {};

        if (this.config) {
          for (var key in this.config) {
            if (this.constructor.Default[key] !== this.config[key]) {
              config[key] = this.config[key];
            }
          }
        }

        return config;
      };

      _proto._cleanTipClass = function _cleanTipClass() {
        var $tip = $(this.getTipElement());
        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);

        if (tabClass !== null && tabClass.length) {
          $tip.removeClass(tabClass.join(''));
        }
      };

      _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData) {
        var popperInstance = popperData.instance;
        this.tip = popperInstance.popper;

        this._cleanTipClass();

        this.addAttachmentClass(this._getAttachment(popperData.placement));
      };

      _proto._fixTransition = function _fixTransition() {
        var tip = this.getTipElement();
        var initConfigAnimation = this.config.animation;

        if (tip.getAttribute('x-placement') !== null) {
          return;
        }

        $(tip).removeClass(ClassName.FADE);
        this.config.animation = false;
        this.hide();
        this.show();
        this.config.animation = initConfigAnimation;
      } // Static
      ;

      Tooltip._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = typeof config === 'object' && config;

          if (!data && /dispose|hide/.test(config)) {
            return;
          }

          if (!data) {
            data = new Tooltip(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      _createClass(Tooltip, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }, {
        key: "NAME",
        get: function get() {
          return NAME;
        }
      }, {
        key: "DATA_KEY",
        get: function get() {
          return DATA_KEY;
        }
      }, {
        key: "Event",
        get: function get() {
          return Event;
        }
      }, {
        key: "EVENT_KEY",
        get: function get() {
          return EVENT_KEY;
        }
      }, {
        key: "DefaultType",
        get: function get() {
          return DefaultType;
        }
      }]);

      return Tooltip;
    }();
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */


  $.fn[NAME] = Tooltip._jQueryInterface;
  $.fn[NAME].Constructor = Tooltip;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Tooltip._jQueryInterface;
  };

  return Tooltip;

}));
/*!
  * Bootstrap popover.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./tooltip.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './tooltip.js'], factory) :
      (global = global || self, global.Popover = factory(global.jQuery, global.Tooltip));
}(this, function ($, Tooltip) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Tooltip = Tooltip && Tooltip.hasOwnProperty('default') ? Tooltip['default'] : Tooltip;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  function _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    subClass.__proto__ = superClass;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'popover';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.popover';
  var EVENT_KEY = "." + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var CLASS_PREFIX = 'bs-popover';
  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');

  var Default = _objectSpread({}, Tooltip.Default, {
    placement: 'right',
    trigger: 'click',
    content: '',
    template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
  });

  var DefaultType = _objectSpread({}, Tooltip.DefaultType, {
    content: '(string|element|function)'
  });

  var ClassName = {
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    TITLE: '.popover-header',
    CONTENT: '.popover-body'
  };
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    INSERTED: "inserted" + EVENT_KEY,
    CLICK: "click" + EVENT_KEY,
    FOCUSIN: "focusin" + EVENT_KEY,
    FOCUSOUT: "focusout" + EVENT_KEY,
    MOUSEENTER: "mouseenter" + EVENT_KEY,
    MOUSELEAVE: "mouseleave" + EVENT_KEY
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Popover =
    /*#__PURE__*/
    function (_Tooltip) {
      _inheritsLoose(Popover, _Tooltip);

      function Popover() {
        return _Tooltip.apply(this, arguments) || this;
      }

      var _proto = Popover.prototype;

      // Overrides
      _proto.isWithContent = function isWithContent() {
        return this.getTitle() || this._getContent();
      };

      _proto.addAttachmentClass = function addAttachmentClass(attachment) {
        $(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
      };

      _proto.getTipElement = function getTipElement() {
        this.tip = this.tip || $(this.config.template)[0];
        return this.tip;
      };

      _proto.setContent = function setContent() {
        var $tip = $(this.getTipElement()); // We use append for html objects to maintain js events

        this.setElementContent($tip.find(Selector.TITLE), this.getTitle());

        var content = this._getContent();

        if (typeof content === 'function') {
          content = content.call(this.element);
        }

        this.setElementContent($tip.find(Selector.CONTENT), content);
        $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW);
      } // Private
      ;

      _proto._getContent = function _getContent() {
        return this.element.getAttribute('data-content') || this.config.content;
      };

      _proto._cleanTipClass = function _cleanTipClass() {
        var $tip = $(this.getTipElement());
        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);

        if (tabClass !== null && tabClass.length > 0) {
          $tip.removeClass(tabClass.join(''));
        }
      } // Static
      ;

      Popover._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = typeof config === 'object' ? config : null;

          if (!data && /dispose|hide/.test(config)) {
            return;
          }

          if (!data) {
            data = new Popover(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      _createClass(Popover, null, [{
        key: "VERSION",
        // Getters
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }, {
        key: "NAME",
        get: function get() {
          return NAME;
        }
      }, {
        key: "DATA_KEY",
        get: function get() {
          return DATA_KEY;
        }
      }, {
        key: "Event",
        get: function get() {
          return Event;
        }
      }, {
        key: "EVENT_KEY",
        get: function get() {
          return EVENT_KEY;
        }
      }, {
        key: "DefaultType",
        get: function get() {
          return DefaultType;
        }
      }]);

      return Popover;
    }(Tooltip);
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */


  $.fn[NAME] = Popover._jQueryInterface;
  $.fn[NAME].Constructor = Popover;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Popover._jQueryInterface;
  };

  return Popover;

}));
/*!
  * Bootstrap scrollspy.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.ScrollSpy = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'scrollspy';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.scrollspy';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var Default = {
    offset: 10,
    method: 'auto',
    target: ''
  };
  var DefaultType = {
    offset: 'number',
    method: 'string',
    target: '(string|element)'
  };
  var Event = {
    ACTIVATE: "activate" + EVENT_KEY,
    SCROLL: "scroll" + EVENT_KEY,
    LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    DROPDOWN_ITEM: 'dropdown-item',
    DROPDOWN_MENU: 'dropdown-menu',
    ACTIVE: 'active'
  };
  var Selector = {
    DATA_SPY: '[data-spy="scroll"]',
    ACTIVE: '.active',
    NAV_LIST_GROUP: '.nav, .list-group',
    NAV_LINKS: '.nav-link',
    NAV_ITEMS: '.nav-item',
    LIST_ITEMS: '.list-group-item',
    DROPDOWN: '.dropdown',
    DROPDOWN_ITEMS: '.dropdown-item',
    DROPDOWN_TOGGLE: '.dropdown-toggle'
  };
  var OffsetMethod = {
    OFFSET: 'offset',
    POSITION: 'position'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var ScrollSpy =
    /*#__PURE__*/
    function () {
      function ScrollSpy(element, config) {
        var _this = this;

        this._element = element;
        this._scrollElement = element.tagName === 'BODY' ? window : element;
        this._config = this._getConfig(config);
        this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS);
        this._offsets = [];
        this._targets = [];
        this._activeTarget = null;
        this._scrollHeight = 0;
        $(this._scrollElement).on(Event.SCROLL, function (event) {
          return _this._process(event);
        });
        this.refresh();

        this._process();
      } // Getters


      var _proto = ScrollSpy.prototype;

      // Public
      _proto.refresh = function refresh() {
        var _this2 = this;

        var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION;
        var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
        var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
        this._offsets = [];
        this._targets = [];
        this._scrollHeight = this._getScrollHeight();
        var targets = [].slice.call(document.querySelectorAll(this._selector));
        targets.map(function (element) {
          var target;
          var targetSelector = Util.getSelectorFromElement(element);

          if (targetSelector) {
            target = document.querySelector(targetSelector);
          }

          if (target) {
            var targetBCR = target.getBoundingClientRect();

            if (targetBCR.width || targetBCR.height) {
              // TODO (fat): remove sketch reliance on jQuery position/offset
              return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
            }
          }

          return null;
        }).filter(function (item) {
          return item;
        }).sort(function (a, b) {
          return a[0] - b[0];
        }).forEach(function (item) {
          _this2._offsets.push(item[0]);

          _this2._targets.push(item[1]);
        });
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        $(this._scrollElement).off(EVENT_KEY);
        this._element = null;
        this._scrollElement = null;
        this._config = null;
        this._selector = null;
        this._offsets = null;
        this._targets = null;
        this._activeTarget = null;
        this._scrollHeight = null;
      } // Private
      ;

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, Default, typeof config === 'object' && config ? config : {});

        if (typeof config.target !== 'string') {
          var id = $(config.target).attr('id');

          if (!id) {
            id = Util.getUID(NAME);
            $(config.target).attr('id', id);
          }

          config.target = "#" + id;
        }

        Util.typeCheckConfig(NAME, config, DefaultType);
        return config;
      };

      _proto._getScrollTop = function _getScrollTop() {
        return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
      };

      _proto._getScrollHeight = function _getScrollHeight() {
        return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
      };

      _proto._getOffsetHeight = function _getOffsetHeight() {
        return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
      };

      _proto._process = function _process() {
        var scrollTop = this._getScrollTop() + this._config.offset;

        var scrollHeight = this._getScrollHeight();

        var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();

        if (this._scrollHeight !== scrollHeight) {
          this.refresh();
        }

        if (scrollTop >= maxScroll) {
          var target = this._targets[this._targets.length - 1];

          if (this._activeTarget !== target) {
            this._activate(target);
          }

          return;
        }

        if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
          this._activeTarget = null;

          this._clear();

          return;
        }

        var offsetLength = this._offsets.length;

        for (var i = offsetLength; i--;) {
          var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);

          if (isActiveTarget) {
            this._activate(this._targets[i]);
          }
        }
      };

      _proto._activate = function _activate(target) {
        this._activeTarget = target;

        this._clear();

        var queries = this._selector.split(',').map(function (selector) {
          return selector + "[data-target=\"" + target + "\"]," + selector + "[href=\"" + target + "\"]";
        });

        var $link = $([].slice.call(document.querySelectorAll(queries.join(','))));

        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
          $link.addClass(ClassName.ACTIVE);
        } else {
          // Set triggered link as active
          $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
          // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor

          $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item

          $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_ITEMS).children(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
        }

        $(this._scrollElement).trigger(Event.ACTIVATE, {
          relatedTarget: target
        });
      };

      _proto._clear = function _clear() {
        [].slice.call(document.querySelectorAll(this._selector)).filter(function (node) {
          return node.classList.contains(ClassName.ACTIVE);
        }).forEach(function (node) {
          return node.classList.remove(ClassName.ACTIVE);
        });
      } // Static
      ;

      ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);

          var _config = typeof config === 'object' && config;

          if (!data) {
            data = new ScrollSpy(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      _createClass(ScrollSpy, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return ScrollSpy;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(window).on(Event.LOAD_DATA_API, function () {
    var scrollSpys = [].slice.call(document.querySelectorAll(Selector.DATA_SPY));
    var scrollSpysLength = scrollSpys.length;

    for (var i = scrollSpysLength; i--;) {
      var $spy = $(scrollSpys[i]);

      ScrollSpy._jQueryInterface.call($spy, $spy.data());
    }
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = ScrollSpy._jQueryInterface;
  $.fn[NAME].Constructor = ScrollSpy;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return ScrollSpy._jQueryInterface;
  };

  return ScrollSpy;

}));
/*!
  * Bootstrap tab.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Tab = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'tab';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.tab';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var Event = {
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY,
    CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
  };
  var ClassName = {
    DROPDOWN_MENU: 'dropdown-menu',
    ACTIVE: 'active',
    DISABLED: 'disabled',
    FADE: 'fade',
    SHOW: 'show'
  };
  var Selector = {
    DROPDOWN: '.dropdown',
    NAV_LIST_GROUP: '.nav, .list-group',
    ACTIVE: '.active',
    ACTIVE_UL: '> li > .active',
    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
    DROPDOWN_TOGGLE: '.dropdown-toggle',
    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Tab =
    /*#__PURE__*/
    function () {
      function Tab(element) {
        this._element = element;
      } // Getters


      var _proto = Tab.prototype;

      // Public
      _proto.show = function show() {
        var _this = this;

        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
          return;
        }

        var target;
        var previous;
        var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
        var selector = Util.getSelectorFromElement(this._element);

        if (listElement) {
          var itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? Selector.ACTIVE_UL : Selector.ACTIVE;
          previous = $.makeArray($(listElement).find(itemSelector));
          previous = previous[previous.length - 1];
        }

        var hideEvent = $.Event(Event.HIDE, {
          relatedTarget: this._element
        });
        var showEvent = $.Event(Event.SHOW, {
          relatedTarget: previous
        });

        if (previous) {
          $(previous).trigger(hideEvent);
        }

        $(this._element).trigger(showEvent);

        if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
          return;
        }

        if (selector) {
          target = document.querySelector(selector);
        }

        this._activate(this._element, listElement);

        var complete = function complete() {
          var hiddenEvent = $.Event(Event.HIDDEN, {
            relatedTarget: _this._element
          });
          var shownEvent = $.Event(Event.SHOWN, {
            relatedTarget: previous
          });
          $(previous).trigger(hiddenEvent);
          $(_this._element).trigger(shownEvent);
        };

        if (target) {
          this._activate(target, target.parentNode, complete);
        } else {
          complete();
        }
      };

      _proto.dispose = function dispose() {
        $.removeData(this._element, DATA_KEY);
        this._element = null;
      } // Private
      ;

      _proto._activate = function _activate(element, container, callback) {
        var _this2 = this;

        var activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ? $(container).find(Selector.ACTIVE_UL) : $(container).children(Selector.ACTIVE);
        var active = activeElements[0];
        var isTransitioning = callback && active && $(active).hasClass(ClassName.FADE);

        var complete = function complete() {
          return _this2._transitionComplete(element, active, callback);
        };

        if (active && isTransitioning) {
          var transitionDuration = Util.getTransitionDurationFromElement(active);
          $(active).removeClass(ClassName.SHOW).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        } else {
          complete();
        }
      };

      _proto._transitionComplete = function _transitionComplete(element, active, callback) {
        if (active) {
          $(active).removeClass(ClassName.ACTIVE);
          var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];

          if (dropdownChild) {
            $(dropdownChild).removeClass(ClassName.ACTIVE);
          }

          if (active.getAttribute('role') === 'tab') {
            active.setAttribute('aria-selected', false);
          }
        }

        $(element).addClass(ClassName.ACTIVE);

        if (element.getAttribute('role') === 'tab') {
          element.setAttribute('aria-selected', true);
        }

        Util.reflow(element);

        if (element.classList.contains(ClassName.FADE)) {
          element.classList.add(ClassName.SHOW);
        }

        if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
          var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];

          if (dropdownElement) {
            var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(Selector.DROPDOWN_TOGGLE));
            $(dropdownToggleList).addClass(ClassName.ACTIVE);
          }

          element.setAttribute('aria-expanded', true);
        }

        if (callback) {
          callback();
        }
      } // Static
      ;

      Tab._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var $this = $(this);
          var data = $this.data(DATA_KEY);

          if (!data) {
            data = new Tab(this);
            $this.data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config]();
          }
        });
      };

      _createClass(Tab, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }]);

      return Tab;
    }();
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    event.preventDefault();

    Tab._jQueryInterface.call($(this), 'show');
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Tab._jQueryInterface;
  $.fn[NAME].Constructor = Tab;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Tab._jQueryInterface;
  };

  return Tab;

}));
/*!
  * Bootstrap toast.js v4.3.1 (https://getbootstrap.com/)
  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
    typeof define === 'function' && define.amd ? define(['jquery', './util.js'], factory) :
      (global = global || self, global.Toast = factory(global.jQuery, global.Util));
}(this, function ($, Util) { 'use strict';

  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
  Util = Util && Util.hasOwnProperty('default') ? Util['default'] : Util;

  function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
    if (staticProps) _defineProperties(Constructor, staticProps);
    return Constructor;
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'toast';
  var VERSION = '4.3.1';
  var DATA_KEY = 'bs.toast';
  var EVENT_KEY = "." + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var Event = {
    CLICK_DISMISS: "click.dismiss" + EVENT_KEY,
    HIDE: "hide" + EVENT_KEY,
    HIDDEN: "hidden" + EVENT_KEY,
    SHOW: "show" + EVENT_KEY,
    SHOWN: "shown" + EVENT_KEY
  };
  var ClassName = {
    FADE: 'fade',
    HIDE: 'hide',
    SHOW: 'show',
    SHOWING: 'showing'
  };
  var DefaultType = {
    animation: 'boolean',
    autohide: 'boolean',
    delay: 'number'
  };
  var Default = {
    animation: true,
    autohide: true,
    delay: 500
  };
  var Selector = {
    DATA_DISMISS: '[data-dismiss="toast"]'
    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };

  var Toast =
    /*#__PURE__*/
    function () {
      function Toast(element, config) {
        this._element = element;
        this._config = this._getConfig(config);
        this._timeout = null;

        this._setListeners();
      } // Getters


      var _proto = Toast.prototype;

      // Public
      _proto.show = function show() {
        var _this = this;

        $(this._element).trigger(Event.SHOW);

        if (this._config.animation) {
          this._element.classList.add(ClassName.FADE);
        }

        var complete = function complete() {
          _this._element.classList.remove(ClassName.SHOWING);

          _this._element.classList.add(ClassName.SHOW);

          $(_this._element).trigger(Event.SHOWN);

          if (_this._config.autohide) {
            _this.hide();
          }
        };

        this._element.classList.remove(ClassName.HIDE);

        this._element.classList.add(ClassName.SHOWING);

        if (this._config.animation) {
          var transitionDuration = Util.getTransitionDurationFromElement(this._element);
          $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        } else {
          complete();
        }
      };

      _proto.hide = function hide(withoutTimeout) {
        var _this2 = this;

        if (!this._element.classList.contains(ClassName.SHOW)) {
          return;
        }

        $(this._element).trigger(Event.HIDE);

        if (withoutTimeout) {
          this._close();
        } else {
          this._timeout = setTimeout(function () {
            _this2._close();
          }, this._config.delay);
        }
      };

      _proto.dispose = function dispose() {
        clearTimeout(this._timeout);
        this._timeout = null;

        if (this._element.classList.contains(ClassName.SHOW)) {
          this._element.classList.remove(ClassName.SHOW);
        }

        $(this._element).off(Event.CLICK_DISMISS);
        $.removeData(this._element, DATA_KEY);
        this._element = null;
        this._config = null;
      } // Private
      ;

      _proto._getConfig = function _getConfig(config) {
        config = _objectSpread({}, Default, $(this._element).data(), typeof config === 'object' && config ? config : {});
        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
        return config;
      };

      _proto._setListeners = function _setListeners() {
        var _this3 = this;

        $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function () {
          return _this3.hide(true);
        });
      };

      _proto._close = function _close() {
        var _this4 = this;

        var complete = function complete() {
          _this4._element.classList.add(ClassName.HIDE);

          $(_this4._element).trigger(Event.HIDDEN);
        };

        this._element.classList.remove(ClassName.SHOW);

        if (this._config.animation) {
          var transitionDuration = Util.getTransitionDurationFromElement(this._element);
          $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        } else {
          complete();
        }
      } // Static
      ;

      Toast._jQueryInterface = function _jQueryInterface(config) {
        return this.each(function () {
          var $element = $(this);
          var data = $element.data(DATA_KEY);

          var _config = typeof config === 'object' && config;

          if (!data) {
            data = new Toast(this, _config);
            $element.data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError("No method named \"" + config + "\"");
            }

            data[config](this);
          }
        });
      };

      _createClass(Toast, null, [{
        key: "VERSION",
        get: function get() {
          return VERSION;
        }
      }, {
        key: "DefaultType",
        get: function get() {
          return DefaultType;
        }
      }, {
        key: "Default",
        get: function get() {
          return Default;
        }
      }]);

      return Toast;
    }();
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */


  $.fn[NAME] = Toast._jQueryInterface;
  $.fn[NAME].Constructor = Toast;

  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Toast._jQueryInterface;
  };

  return Toast;

}));












// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, or any plugin's
// vendor/assets/javascripts directory can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// compiled file. JavaScript code in this file should be added after the last require_* statement.
//
// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
// about supported directives.
//






;