var Tab = function()

in Hands-on lab/lab-files/BigDataTravel/BigDataTravel/Scripts/bootstrap.bundle.js [6620:6784]
116 lines of code
32 McCabe index (conditional complexity)

  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 && $__default['default'](this._element).hasClass(CLASS_NAME_ACTIVE$3) || $__default['default'](this._element).hasClass(CLASS_NAME_DISABLED$1)) {
        return;
      }

      var target;
      var previous;
      var listElement = $__default['default'](this._element).closest(SELECTOR_NAV_LIST_GROUP$1)[0];
      var selector = Util.getSelectorFromElement(this._element);

      if (listElement) {
        var itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE$2;
        previous = $__default['default'].makeArray($__default['default'](listElement).find(itemSelector));
        previous = previous[previous.length - 1];
      }

      var hideEvent = $__default['default'].Event(EVENT_HIDE$3, {
        relatedTarget: this._element
      });
      var showEvent = $__default['default'].Event(EVENT_SHOW$3, {
        relatedTarget: previous
      });

      if (previous) {
        $__default['default'](previous).trigger(hideEvent);
      }

      $__default['default'](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 = $__default['default'].Event(EVENT_HIDDEN$3, {
          relatedTarget: _this._element
        });
        var shownEvent = $__default['default'].Event(EVENT_SHOWN$3, {
          relatedTarget: previous
        });
        $__default['default'](previous).trigger(hiddenEvent);
        $__default['default'](_this._element).trigger(shownEvent);
      };

      if (target) {
        this._activate(target, target.parentNode, complete);
      } else {
        complete();
      }
    };

    _proto.dispose = function dispose() {
      $__default['default'].removeData(this._element, DATA_KEY$9);
      this._element = null;
    } // Private
    ;

    _proto._activate = function _activate(element, container, callback) {
      var _this2 = this;

      var activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ? $__default['default'](container).find(SELECTOR_ACTIVE_UL) : $__default['default'](container).children(SELECTOR_ACTIVE$2);
      var active = activeElements[0];
      var isTransitioning = callback && active && $__default['default'](active).hasClass(CLASS_NAME_FADE$4);

      var complete = function complete() {
        return _this2._transitionComplete(element, active, callback);
      };

      if (active && isTransitioning) {
        var transitionDuration = Util.getTransitionDurationFromElement(active);
        $__default['default'](active).removeClass(CLASS_NAME_SHOW$6).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
      } else {
        complete();
      }
    };

    _proto._transitionComplete = function _transitionComplete(element, active, callback) {
      if (active) {
        $__default['default'](active).removeClass(CLASS_NAME_ACTIVE$3);
        var dropdownChild = $__default['default'](active.parentNode).find(SELECTOR_DROPDOWN_ACTIVE_CHILD)[0];

        if (dropdownChild) {
          $__default['default'](dropdownChild).removeClass(CLASS_NAME_ACTIVE$3);
        }

        if (active.getAttribute('role') === 'tab') {
          active.setAttribute('aria-selected', false);
        }
      }

      $__default['default'](element).addClass(CLASS_NAME_ACTIVE$3);

      if (element.getAttribute('role') === 'tab') {
        element.setAttribute('aria-selected', true);
      }

      Util.reflow(element);

      if (element.classList.contains(CLASS_NAME_FADE$4)) {
        element.classList.add(CLASS_NAME_SHOW$6);
      }

      if (element.parentNode && $__default['default'](element.parentNode).hasClass(CLASS_NAME_DROPDOWN_MENU)) {
        var dropdownElement = $__default['default'](element).closest(SELECTOR_DROPDOWN$1)[0];

        if (dropdownElement) {
          var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE$1));
          $__default['default'](dropdownToggleList).addClass(CLASS_NAME_ACTIVE$3);
        }

        element.setAttribute('aria-expanded', true);
      }

      if (callback) {
        callback();
      }
    } // Static
    ;

    Tab._jQueryInterface = function _jQueryInterface(config) {
      return this.each(function () {
        var $this = $__default['default'](this);
        var data = $this.data(DATA_KEY$9);

        if (!data) {
          data = new Tab(this);
          $this.data(DATA_KEY$9, 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$9;
      }
    }]);

    return Tab;
  }();