bootstrap.bundle.js

        this._enter(null, this);
      }
    };

    _proto.dispose = function dispose() {
      clearTimeout(this._timeout);
      $$$1.removeData(this.element, this.constructor.DATA_KEY);
      $$$1(this.element).off(this.constructor.EVENT_KEY);
      $$$1(this.element).closest('.modal').off('hide.bs.modal');

      if (this.tip) {
        $$$1(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 ($$$1(this.element).css('display') === 'none') {
        throw new Error('Please use show on visible elements');
      }

      var showEvent = $$$1.Event(this.constructor.Event.SHOW);

      if (this.isWithContent() && this._isEnabled) {
        $$$1(this.element).trigger(showEvent);
        var isInTheDom = $$$1.contains(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) {
          $$$1(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.config.container === false ? document.body : $$$1(this.config.container);
        $$$1(tip).data(this.constructor.DATA_KEY, this);

        if (!$$$1.contains(this.element.ownerDocument.documentElement, this.tip)) {
          $$$1(tip).appendTo(container);
        }

        $$$1(this.element).trigger(this.constructor.Event.INSERTED);
        this._popper = new Popper(this.element, tip, {
          placement: attachment,
          modifiers: {
            offset: {
              offset: this.config.offset
            },
            flip: {
              behavior: this.config.fallbackPlacement
            },
            arrow: {
              element: Selector.ARROW
            }
          },
          onCreate: function onCreate(data) {
            if (data.originalPlacement !== data.placement) {
              _this._handlePopperPlacementChange(data);
            }
          },
          onUpdate: function onUpdate(data) {
            _this._handlePopperPlacementChange(data);
          }
        });
        $$$1(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) {
          $$$1('body').children().on('mouseover', null, $$$1.noop);
        }

        var complete = function complete() {
          if (_this.config.animation) {
            _this._fixTransition();
          }

          var prevHoverState = _this._hoverState;
          _this._hoverState = null;
          $$$1(_this.element).trigger(_this.constructor.Event.SHOWN);

          if (prevHoverState === HoverState.OUT) {
            _this._leave(null, _this);
          }
        };

        if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) {
          $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
        } else {
          complete();
        }
      }
    };

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

      var tip = this.getTipElement();
      var hideEvent = $$$1.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');

        $$$1(_this2.element).trigger(_this2.constructor.Event.HIDDEN);

        if (_this2._popper !== null) {
          _this2._popper.destroy();
        }

        if (callback) {
          callback();
        }
      };

      $$$1(this.element).trigger(hideEvent);

      if (hideEvent.isDefaultPrevented()) {
        return;
      }

      $$$1(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) {
        $$$1('body').children().off('mouseover', null, $$$1.noop);
      }

      this._activeTrigger[Trigger.CLICK] = false;
      this._activeTrigger[Trigger.FOCUS] = false;
      this._activeTrigger[Trigger.HOVER] = false;

      if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) {
        $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
      } 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) {
      $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
    };

    _proto.getTipElement = function getTipElement() {
      this.tip = this.tip || $$$1(this.config.template)[0];
      return this.tip;
    };

    _proto.setContent = function setContent() {
      var $tip = $$$1(this.getTipElement());
      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
      $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW);
    };

    _proto.setElementContent = function setElementContent($element, content) {
      var html = this.config.html;

      if (typeof content === 'object' && (content.nodeType || content.jquery)) {
        // content is a DOM node or a jQuery
        if (html) {
          if (!$$$1(content).parent().is($element)) {
            $element.empty().append(content);
          }
        } else {
          $element.text($$$1(content).text());
        }
      } else {
        $element[html ? 'html' : '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._getAttachment = function _getAttachment(placement) {
      return AttachmentMap[placement.toUpperCase()];
    };

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

      var triggers = this.config.trigger.split(' ');
      triggers.forEach(function (trigger) {
        if (trigger === 'click') {
          $$$1(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
            return _this3.toggle(event);
          });
        } else if (trigger !== Trigger.MANUAL) {
          var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
          var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
          $$$1(_this3.element).on(eventIn, _this3.config.selector, function (event) {
            return _this3._enter(event);
          }).on(eventOut, _this3.config.selector, function (event) {
            return _this3._leave(event);
          });
        }

        $$$1(_this3.element).closest('.modal').on('hide.bs.modal', function () {
          return _this3.hide();
        });
      });

      if (this.config.selector) {
        this.config = $$$1.extend({}, 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 || $$$1(event.currentTarget).data(dataKey);

      if (!context) {
        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
        $$$1(event.currentTarget).data(dataKey, context);
      }

      if (event) {
        context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
      }

      if ($$$1(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 || $$$1(event.currentTarget).data(dataKey);

      if (!context) {
        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
        $$$1(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) {
      config = $$$1.extend({}, this.constructor.Default, $$$1(this.element).data(), 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);
      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 = $$$1(this.getTipElement());
      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);

      if (tabClass !== null && tabClass.length > 0) {
        $tip.removeClass(tabClass.join(''));
      }
    };

    _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
      this._cleanTipClass();

      this.addAttachmentClass(this._getAttachment(data.placement));
    };

    _proto._fixTransition = function _fixTransition() {
      var tip = this.getTipElement();
      var initConfigAnimation = this.config.animation;

      if (tip.getAttribute('x-placement') !== null) {
        return;
      }

      $$$1(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 = $$$1(this).data(DATA_KEY);

        var _config = typeof config === 'object' && config;

        if (!data && /dispose|hide/.test(config)) {
          return;
        }

        if (!data) {
          data = new Tooltip(this, _config);
          $$$1(this).data(DATA_KEY, data);
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new Error("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
   * ------------------------------------------------------------------------
   */


  $$$1.fn[NAME] = Tooltip._jQueryInterface;
  $$$1.fn[NAME].Constructor = Tooltip;

  $$$1.fn[NAME].noConflict = function () {
    $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
    return Tooltip._jQueryInterface;
  };

  return Tooltip;
}($, Popper);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0-beta.2): popover.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Popover = function ($$$1) {
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */
  var NAME = 'popover';
  var VERSION = '4.0.0-beta.2';
  var DATA_KEY = 'bs.popover';
  var EVENT_KEY = "." + DATA_KEY;
  var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
  var CLASS_PREFIX = 'bs-popover';
  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
  var Default = $$$1.extend({}, Tooltip.Default, {
    placement: 'right',
    trigger: 'click',
    content: '',
    template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
  });
  var DefaultType = $$$1.extend({}, 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) {
      $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
    };

    _proto.getTipElement = function getTipElement() {
      this.tip = this.tip || $$$1(this.config.template)[0];
      return this.tip;
    };

    _proto.setContent = function setContent() {
      var $tip = $$$1(this.getTipElement()); // we use append for html objects to maintain js events

      this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
      this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
      $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW);
    }; // private


    _proto._getContent = function _getContent() {
      return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
    };

    _proto._cleanTipClass = function _cleanTipClass() {
      var $tip = $$$1(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 = $$$1(this).data(DATA_KEY);

        var _config = typeof config === 'object' ? config : null;

        if (!data && /destroy|hide/.test(config)) {
          return;
        }

        if (!data) {
          data = new Popover(this, _config);
          $$$1(this).data(DATA_KEY, data);
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new Error("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
   * ------------------------------------------------------------------------
   */


  $$$1.fn[NAME] = Popover._jQueryInterface;
  $$$1.fn[NAME].Constructor = Popover;

  $$$1.fn[NAME].noConflict = function () {
    $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
    return Popover._jQueryInterface;
  };

  return Popover;
}($);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0-beta.2): scrollspy.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var ScrollSpy = function ($$$1) {
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */
  var NAME = 'scrollspy';
  var VERSION = '4.0.0-beta.2';
  var DATA_KEY = 'bs.scrollspy';
  var EVENT_KEY = "." + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $$$1.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;
      $$$1(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.POSITION : OffsetMethod.OFFSET;
      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 = $$$1.makeArray($$$1(this._selector));
      targets.map(function (element) {
        var target;
        var targetSelector = Util.getSelectorFromElement(element);

        if (targetSelector) {
          target = $$$1(targetSelector)[0];
        }

        if (target) {
          var targetBCR = target.getBoundingClientRect();

          if (targetBCR.width || targetBCR.height) {
            // todo (fat): remove sketch reliance on jQuery position/offset
            return [$$$1(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() {
      $$$1.removeData(this._element, DATA_KEY);
      $$$1(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 = $$$1.extend({}, Default, config);

      if (typeof config.target !== 'string') {
        var id = $$$1(config.target).attr('id');

        if (!id) {
          id = Util.getUID(NAME);
          $$$1(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;
      }

      for (var i = this._offsets.length; 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(','); // eslint-disable-next-line arrow-body-style


      queries = queries.map(function (selector) {
        return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]");
      });
      var $link = $$$1(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);
      }

      $$$1(this._scrollElement).trigger(Event.ACTIVATE, {
        relatedTarget: target
      });
    };

    _proto._clear = function _clear() {
      $$$1(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
    }; // static


    ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
      return this.each(function () {
        var data = $$$1(this).data(DATA_KEY);

        var _config = typeof config === 'object' && config;

        if (!data) {
          data = new ScrollSpy(this, _config);
          $$$1(this).data(DATA_KEY, data);
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new Error("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
   * ------------------------------------------------------------------------
   */


  $$$1(window).on(Event.LOAD_DATA_API, function () {
    var scrollSpys = $$$1.makeArray($$$1(Selector.DATA_SPY));

    for (var i = scrollSpys.length; i--;) {
      var $spy = $$$1(scrollSpys[i]);

      ScrollSpy._jQueryInterface.call($spy, $spy.data());
    }
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $$$1.fn[NAME] = ScrollSpy._jQueryInterface;
  $$$1.fn[NAME].Constructor = ScrollSpy;

  $$$1.fn[NAME].noConflict = function () {
    $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
    return ScrollSpy._jQueryInterface;
  };

  return ScrollSpy;
}($);

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0-beta.2): tab.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------