bootstrap.bundle.js

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

    return Modal;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): tooltip.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Tooltip = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'tooltip';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.tooltip';
    var EVENT_KEY = "." + DATA_KEY;
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var CLASS_PREFIX = 'bs-tooltip';
    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
    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)',
      container: '(string|element|boolean)',
      fallbackPlacement: '(string|array)',
      boundary: '(string|element)'
    };
    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'
    };
    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 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 = $$$1(event.currentTarget).data(dataKey);

          if (!context) {
            context = new this.constructor(event.currentTarget, this._getDelegateConfig());
            $$$1(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 ($$$1(this.getTipElement()).hasClass(ClassName.SHOW)) {
            this._leave(null, this);

            return;
          }

          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 : $$$1(document).find(this.config.container);
          $$$1(tip).data(this.constructor.DATA_KEY, this);

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

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

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

        if ($$$1(this.tip).hasClass(ClassName.FADE)) {
          var transitionDuration = Util.getTransitionDurationFromElement(tip);
          $$$1(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) {
        $$$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 = this.getTipElement();
        this.setElementContent($$$1(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle());
        $$$1(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 = _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 || $$$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 = _objectSpread({}, this.constructor.Default, $$$1(this.element).data(), 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);
        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) {
          $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;
        }

        $$$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 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
     * ------------------------------------------------------------------------
     */


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

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

    return Tooltip;
  }($, Popper);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): popover.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Popover = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'popover';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.popover';
    var EVENT_KEY = "." + DATA_KEY;
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var CLASS_PREFIX = 'bs-popover';
    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');

    var Default = _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) {
        $$$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());

        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 = $$$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 && /dispose|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 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
     * ------------------------------------------------------------------------
     */


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

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

    return Popover;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): scrollspy.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var ScrollSpy = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'scrollspy';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.scrollspy';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$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.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 [$$$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]);
        });