function()

in lab1/server/src/main/resources/public/js/bootstrap.esm.js [1920:2237]

• 200 lines of code
• 38 McCabe index (conditional complexity)

function () {
  function Collapse(element, config) {
    this._isTransitioning = false;
    this._element = element;
    this._config = this._getConfig(config);
    this._triggerArray = makeArray(SelectorEngine.find("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
    var toggleList = makeArray(SelectorEngine.find(Selector$3.DATA_TOGGLE));

    for (var i = 0, len = toggleList.length; i < len; i++) {
      var elem = toggleList[i];
      var selector = getSelectorFromElement(elem);
      var filterElement = makeArray(SelectorEngine.find(selector)).filter(function (foundElem) {
        return foundElem === element;
      });

      if (selector !== null && filterElement.length) {
        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();
    }

    Data.setData(element, DATA_KEY$3, this);
  } // Getters


  var _proto = Collapse.prototype;

  // Public
  _proto.toggle = function toggle() {
    if (this._element.classList.contains(ClassName$3.SHOW)) {
      this.hide();
    } else {
      this.show();
    }
  };

  _proto.show = function show() {
    var _this = this;

    if (this._isTransitioning || this._element.classList.contains(ClassName$3.SHOW)) {
      return;
    }

    var actives;
    var activesData;

    if (this._parent) {
      actives = makeArray(SelectorEngine.find(Selector$3.ACTIVES, this._parent)).filter(function (elem) {
        if (typeof _this._config.parent === 'string') {
          return elem.getAttribute('data-parent') === _this._config.parent;
        }

        return elem.classList.contains(ClassName$3.COLLAPSE);
      });

      if (actives.length === 0) {
        actives = null;
      }
    }

    var container = SelectorEngine.findOne(this._selector);

    if (actives) {
      var tempActiveData = actives.filter(function (elem) {
        return container !== elem;
      });
      activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY$3) : null;

      if (activesData && activesData._isTransitioning) {
        return;
      }
    }

    var startEvent = EventHandler.trigger(this._element, Event$4.SHOW);

    if (startEvent.defaultPrevented) {
      return;
    }

    if (actives) {
      actives.forEach(function (elemActive) {
        if (container !== elemActive) {
          Collapse._collapseInterface(elemActive, 'hide');
        }

        if (!activesData) {
          Data.setData(elemActive, DATA_KEY$3, null);
        }
      });
    }

    var dimension = this._getDimension();

    this._element.classList.remove(ClassName$3.COLLAPSE);

    this._element.classList.add(ClassName$3.COLLAPSING);

    this._element.style[dimension] = 0;

    if (this._triggerArray.length) {
      this._triggerArray.forEach(function (element) {
        element.classList.remove(ClassName$3.COLLAPSED);
        element.setAttribute('aria-expanded', true);
      });
    }

    this.setTransitioning(true);

    var complete = function complete() {
      _this._element.classList.remove(ClassName$3.COLLAPSING);

      _this._element.classList.add(ClassName$3.COLLAPSE);

      _this._element.classList.add(ClassName$3.SHOW);

      _this._element.style[dimension] = '';

      _this.setTransitioning(false);

      EventHandler.trigger(_this._element, Event$4.SHOWN);
    };

    var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
    var scrollSize = "scroll" + capitalizedDimension;
    var transitionDuration = getTransitionDurationFromElement(this._element);
    EventHandler.one(this._element, TRANSITION_END, complete);
    emulateTransitionEnd(this._element, transitionDuration);
    this._element.style[dimension] = this._element[scrollSize] + "px";
  };

  _proto.hide = function hide() {
    var _this2 = this;

    if (this._isTransitioning || !this._element.classList.contains(ClassName$3.SHOW)) {
      return;
    }

    var startEvent = EventHandler.trigger(this._element, Event$4.HIDE);

    if (startEvent.defaultPrevented) {
      return;
    }

    var dimension = this._getDimension();

    this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
    reflow(this._element);

    this._element.classList.add(ClassName$3.COLLAPSING);

    this._element.classList.remove(ClassName$3.COLLAPSE);

    this._element.classList.remove(ClassName$3.SHOW);

    var triggerArrayLength = this._triggerArray.length;

    if (triggerArrayLength > 0) {
      for (var i = 0; i < triggerArrayLength; i++) {
        var trigger = this._triggerArray[i];
        var selector = getSelectorFromElement(trigger);

        if (selector !== null) {
          var elem = SelectorEngine.findOne(selector);

          if (!elem.classList.contains(ClassName$3.SHOW)) {
            trigger.classList.add(ClassName$3.COLLAPSED);
            trigger.setAttribute('aria-expanded', false);
          }
        }
      }
    }

    this.setTransitioning(true);

    var complete = function complete() {
      _this2.setTransitioning(false);

      _this2._element.classList.remove(ClassName$3.COLLAPSING);

      _this2._element.classList.add(ClassName$3.COLLAPSE);

      EventHandler.trigger(_this2._element, Event$4.HIDDEN);
    };

    this._element.style[dimension] = '';
    var transitionDuration = getTransitionDurationFromElement(this._element);
    EventHandler.one(this._element, TRANSITION_END, complete);
    emulateTransitionEnd(this._element, transitionDuration);
  };

  _proto.setTransitioning = function setTransitioning(isTransitioning) {
    this._isTransitioning = isTransitioning;
  };

  _proto.dispose = function dispose() {
    Data.removeData(this._element, DATA_KEY$3);
    this._config = null;
    this._parent = null;
    this._element = null;
    this._triggerArray = null;
    this._isTransitioning = null;
  } // Private
  ;

  _proto._getConfig = function _getConfig(config) {
    config = _objectSpread2({}, Default$1, {}, config);
    config.toggle = Boolean(config.toggle); // Coerce string values

    typeCheckConfig(NAME$3, config, DefaultType$1);
    return config;
  };

  _proto._getDimension = function _getDimension() {
    var hasWidth = this._element.classList.contains(Dimension.WIDTH);

    return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
  };

  _proto._getParent = function _getParent() {
    var _this3 = this;

    var parent = this._config.parent;

    if (isElement(parent)) {
      // it's a jQuery object
      if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
        parent = parent[0];
      }
    } else {
      parent = SelectorEngine.findOne(parent);
    }

    var selector = "[data-toggle=\"collapse\"][data-parent=\"" + parent + "\"]";
    makeArray(SelectorEngine.find(selector, parent)).forEach(function (element) {
      var selector = getSelectorFromElement(element);
      var selected = selector ? SelectorEngine.findOne(selector) : null;

      _this3._addAriaAndCollapsedClass(selected, [element]);
    });
    return parent;
  };

  _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
    if (element) {
      var isOpen = element.classList.contains(ClassName$3.SHOW);

      if (triggerArray.length) {
        triggerArray.forEach(function (elem) {
          if (isOpen) {
            elem.classList.remove(ClassName$3.COLLAPSED);
          } else {
            elem.classList.add(ClassName$3.COLLAPSED);
          }

          elem.setAttribute('aria-expanded', isOpen);
        });
      }
    }
  } // Static
  ;

  Collapse._collapseInterface = function _collapseInterface(element, config) {
    var data = Data.getData(element, DATA_KEY$3);

    var _config = _objectSpread2({}, Default$1, {}, Manipulator.getDataAttributes(element), {}, typeof config === 'object' && config ? config : {});

    if (!data && _config.toggle && /show|hide/.test(config)) {
      _config.toggle = false;
    }

    if (!data) {
      data = new Collapse(element, _config);
    }

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

      data[config]();
    }
  };

  Collapse._jQueryInterface = function _jQueryInterface(config) {
    return this.each(function () {
      Collapse._collapseInterface(this, config);
    });
  };

  Collapse._getInstance = function _getInstance(element) {
    return Data.getData(element, DATA_KEY$3);
  };

  _createClass(Collapse, null, [{
    key: "VERSION",
    get: function get() {
      return VERSION$3;
    }
  }, {
    key: "Default",
    get: function get() {
      return Default$1;
    }
  }]);

  return Collapse;
}();