function()

in lab1/server/src/main/resources/public/js/bootstrap.esm.js [4853:5016]

• 117 lines of code
• 33 McCabe index (conditional complexity)

function () {
  function Tab(element) {
    this._element = element;
    Data.setData(this._element, DATA_KEY$9, this);
  } // 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.classList.contains(ClassName$9.ACTIVE) || this._element.classList.contains(ClassName$9.DISABLED)) {
      return;
    }

    var target;
    var previous;
    var listElement = SelectorEngine.closest(this._element, Selector$9.NAV_LIST_GROUP);
    var selector = getSelectorFromElement(this._element);

    if (listElement) {
      var itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? Selector$9.ACTIVE_UL : Selector$9.ACTIVE;
      previous = makeArray(SelectorEngine.find(itemSelector, listElement));
      previous = previous[previous.length - 1];
    }

    var hideEvent = null;

    if (previous) {
      hideEvent = EventHandler.trigger(previous, Event$a.HIDE, {
        relatedTarget: this._element
      });
    }

    var showEvent = EventHandler.trigger(this._element, Event$a.SHOW, {
      relatedTarget: previous
    });

    if (showEvent.defaultPrevented || hideEvent !== null && hideEvent.defaultPrevented) {
      return;
    }

    if (selector) {
      target = SelectorEngine.findOne(selector);
    }

    this._activate(this._element, listElement);

    var complete = function complete() {
      EventHandler.trigger(previous, Event$a.HIDDEN, {
        relatedTarget: _this._element
      });
      EventHandler.trigger(_this._element, Event$a.SHOWN, {
        relatedTarget: previous
      });
    };

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

  _proto.dispose = function dispose() {
    Data.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') ? SelectorEngine.find(Selector$9.ACTIVE_UL, container) : SelectorEngine.children(container, Selector$9.ACTIVE);
    var active = activeElements[0];
    var isTransitioning = callback && active && active.classList.contains(ClassName$9.FADE);

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

    if (active && isTransitioning) {
      var transitionDuration = getTransitionDurationFromElement(active);
      active.classList.remove(ClassName$9.SHOW);
      EventHandler.one(active, TRANSITION_END, complete);
      emulateTransitionEnd(active, transitionDuration);
    } else {
      complete();
    }
  };

  _proto._transitionComplete = function _transitionComplete(element, active, callback) {
    if (active) {
      active.classList.remove(ClassName$9.ACTIVE);
      var dropdownChild = SelectorEngine.findOne(Selector$9.DROPDOWN_ACTIVE_CHILD, active.parentNode);

      if (dropdownChild) {
        dropdownChild.classList.remove(ClassName$9.ACTIVE);
      }

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

    element.classList.add(ClassName$9.ACTIVE);

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

    reflow(element);

    if (element.classList.contains(ClassName$9.FADE)) {
      element.classList.add(ClassName$9.SHOW);
    }

    if (element.parentNode && element.parentNode.classList.contains(ClassName$9.DROPDOWN_MENU)) {
      var dropdownElement = SelectorEngine.closest(element, Selector$9.DROPDOWN);

      if (dropdownElement) {
        makeArray(SelectorEngine.find(Selector$9.DROPDOWN_TOGGLE)).forEach(function (dropdown) {
          return dropdown.classList.add(ClassName$9.ACTIVE);
        });
      }

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

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

  Tab._jQueryInterface = function _jQueryInterface(config) {
    return this.each(function () {
      var data = Data.getData(this, DATA_KEY$9) || new Tab(this);

      if (typeof config === 'string') {
        if (typeof data[config] === 'undefined') {
          throw new TypeError("No method named \"" + config + "\"");
        }

        data[config]();
      }
    });
  };

  Tab._getInstance = function _getInstance(element) {
    return Data.getData(element, DATA_KEY$9);
  };

  _createClass(Tab, null, [{
    key: "VERSION",
    get: function get() {
      return VERSION$9;
    }
  }]);

  return Tab;
}();