bootstrap.esm.js

    EventHandler.off(document, Event$6.FOCUSIN);
    Data.removeData(this._element, DATA_KEY$5);
    this._config = null;
    this._element = null;
    this._dialog = null;
    this._backdrop = null;
    this._isShown = null;
    this._isBodyOverflowing = null;
    this._ignoreBackdropClick = null;
    this._isTransitioning = null;
    this._scrollbarWidth = null;
  };

  _proto.handleUpdate = function handleUpdate() {
    this._adjustDialog();
  } // Private
  ;

  _proto._getConfig = function _getConfig(config) {
    config = _objectSpread2({}, Default$3, {}, config);
    typeCheckConfig(NAME$5, config, DefaultType$3);
    return config;
  };

  _proto._showElement = function _showElement(relatedTarget) {
    var _this3 = this;

    var transition = this._element.classList.contains(ClassName$5.FADE);

    var modalBody = SelectorEngine.findOne(Selector$5.MODAL_BODY, this._dialog);

    if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
      // Don't move modal's DOM position
      document.body.appendChild(this._element);
    }

    this._element.style.display = 'block';

    this._element.removeAttribute('aria-hidden');

    this._element.setAttribute('aria-modal', true);

    if (this._dialog.classList.contains(ClassName$5.SCROLLABLE) && modalBody) {
      modalBody.scrollTop = 0;
    } else {
      this._element.scrollTop = 0;
    }

    if (transition) {
      reflow(this._element);
    }

    this._element.classList.add(ClassName$5.SHOW);

    if (this._config.focus) {
      this._enforceFocus();
    }

    var transitionComplete = function transitionComplete() {
      if (_this3._config.focus) {
        _this3._element.focus();
      }

      _this3._isTransitioning = false;
      EventHandler.trigger(_this3._element, Event$6.SHOWN, {
        relatedTarget: relatedTarget
      });
    };

    if (transition) {
      var transitionDuration = getTransitionDurationFromElement(this._dialog);
      EventHandler.one(this._dialog, TRANSITION_END, transitionComplete);
      emulateTransitionEnd(this._dialog, transitionDuration);
    } else {
      transitionComplete();
    }
  };

  _proto._enforceFocus = function _enforceFocus() {
    var _this4 = this;

    EventHandler.off(document, Event$6.FOCUSIN); // guard against infinite focus loop

    EventHandler.on(document, Event$6.FOCUSIN, function (event) {
      if (document !== event.target && _this4._element !== event.target && !_this4._element.contains(event.target)) {
        _this4._element.focus();
      }
    });
  };

  _proto._setEscapeEvent = function _setEscapeEvent() {
    var _this5 = this;

    if (this._isShown && this._config.keyboard) {
      EventHandler.on(this._element, Event$6.KEYDOWN_DISMISS, function (event) {
        if (event.which === ESCAPE_KEYCODE$1) {
          _this5._triggerBackdropTransition();
        }
      });
    } else {
      EventHandler.off(this._element, Event$6.KEYDOWN_DISMISS);
    }
  };

  _proto._setResizeEvent = function _setResizeEvent() {
    var _this6 = this;

    if (this._isShown) {
      EventHandler.on(window, Event$6.RESIZE, function () {
        return _this6._adjustDialog();
      });
    } else {
      EventHandler.off(window, Event$6.RESIZE);
    }
  };

  _proto._hideModal = function _hideModal() {
    var _this7 = this;

    this._element.style.display = 'none';

    this._element.setAttribute('aria-hidden', true);

    this._element.removeAttribute('aria-modal');

    this._isTransitioning = false;

    this._showBackdrop(function () {
      document.body.classList.remove(ClassName$5.OPEN);

      _this7._resetAdjustments();

      _this7._resetScrollbar();

      EventHandler.trigger(_this7._element, Event$6.HIDDEN);
    });
  };

  _proto._removeBackdrop = function _removeBackdrop() {
    this._backdrop.parentNode.removeChild(this._backdrop);

    this._backdrop = null;
  };

  _proto._showBackdrop = function _showBackdrop(callback) {
    var _this8 = this;

    var animate = this._element.classList.contains(ClassName$5.FADE) ? ClassName$5.FADE : '';

    if (this._isShown && this._config.backdrop) {
      this._backdrop = document.createElement('div');
      this._backdrop.className = ClassName$5.BACKDROP;

      if (animate) {
        this._backdrop.classList.add(animate);
      }

      document.body.appendChild(this._backdrop);
      EventHandler.on(this._element, Event$6.CLICK_DISMISS, function (event) {
        if (_this8._ignoreBackdropClick) {
          _this8._ignoreBackdropClick = false;
          return;
        }

        if (event.target !== event.currentTarget) {
          return;
        }

        _this8._triggerBackdropTransition();
      });

      if (animate) {
        reflow(this._backdrop);
      }

      this._backdrop.classList.add(ClassName$5.SHOW);

      if (!animate) {
        callback();
        return;
      }

      var backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop);
      EventHandler.one(this._backdrop, TRANSITION_END, callback);
      emulateTransitionEnd(this._backdrop, backdropTransitionDuration);
    } else if (!this._isShown && this._backdrop) {
      this._backdrop.classList.remove(ClassName$5.SHOW);

      var callbackRemove = function callbackRemove() {
        _this8._removeBackdrop();

        callback();
      };

      if (this._element.classList.contains(ClassName$5.FADE)) {
        var _backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop);

        EventHandler.one(this._backdrop, TRANSITION_END, callbackRemove);
        emulateTransitionEnd(this._backdrop, _backdropTransitionDuration);
      } else {
        callbackRemove();
      }
    } else {
      callback();
    }
  };

  _proto._triggerBackdropTransition = function _triggerBackdropTransition() {
    var _this9 = this;

    if (this._config.backdrop === 'static') {
      var hideEvent = EventHandler.trigger(this._element, Event$6.HIDE_PREVENTED);

      if (hideEvent.defaultPrevented) {
        return;
      }

      this._element.classList.add(ClassName$5.STATIC);

      var modalTransitionDuration = getTransitionDurationFromElement(this._element);
      EventHandler.one(this._element, TRANSITION_END, function () {
        _this9._element.classList.remove(ClassName$5.STATIC);
      });
      emulateTransitionEnd(this._element, modalTransitionDuration);

      this._element.focus();
    } else {
      this.hide();
    }
  } // ----------------------------------------------------------------------
  // the following methods are used to handle overflowing modals
  // ----------------------------------------------------------------------
  ;

  _proto._adjustDialog = function _adjustDialog() {
    var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

    if (!this._isBodyOverflowing && isModalOverflowing) {
      this._element.style.paddingLeft = this._scrollbarWidth + "px";
    }

    if (this._isBodyOverflowing && !isModalOverflowing) {
      this._element.style.paddingRight = this._scrollbarWidth + "px";
    }
  };

  _proto._resetAdjustments = function _resetAdjustments() {
    this._element.style.paddingLeft = '';
    this._element.style.paddingRight = '';
  };

  _proto._checkScrollbar = function _checkScrollbar() {
    var rect = document.body.getBoundingClientRect();
    this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
    this._scrollbarWidth = this._getScrollbarWidth();
  };

  _proto._setScrollbar = function _setScrollbar() {
    var _this10 = this;

    if (this._isBodyOverflowing) {
      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
      // Adjust fixed content padding
      makeArray(SelectorEngine.find(Selector$5.FIXED_CONTENT)).forEach(function (element) {
        var actualPadding = element.style.paddingRight;
        var calculatedPadding = window.getComputedStyle(element)['padding-right'];
        Manipulator.setDataAttribute(element, 'padding-right', actualPadding);
        element.style.paddingRight = parseFloat(calculatedPadding) + _this10._scrollbarWidth + "px";
      }); // Adjust sticky content margin

      makeArray(SelectorEngine.find(Selector$5.STICKY_CONTENT)).forEach(function (element) {
        var actualMargin = element.style.marginRight;
        var calculatedMargin = window.getComputedStyle(element)['margin-right'];
        Manipulator.setDataAttribute(element, 'margin-right', actualMargin);
        element.style.marginRight = parseFloat(calculatedMargin) - _this10._scrollbarWidth + "px";
      }); // Adjust body padding

      var actualPadding = document.body.style.paddingRight;
      var calculatedPadding = window.getComputedStyle(document.body)['padding-right'];
      Manipulator.setDataAttribute(document.body, 'padding-right', actualPadding);
      document.body.style.paddingRight = parseFloat(calculatedPadding) + this._scrollbarWidth + "px";
    }

    document.body.classList.add(ClassName$5.OPEN);
  };

  _proto._resetScrollbar = function _resetScrollbar() {
    // Restore fixed content padding
    makeArray(SelectorEngine.find(Selector$5.FIXED_CONTENT)).forEach(function (element) {
      var padding = Manipulator.getDataAttribute(element, 'padding-right');

      if (typeof padding !== 'undefined') {
        Manipulator.removeDataAttribute(element, 'padding-right');
        element.style.paddingRight = padding;
      }
    }); // Restore sticky content and navbar-toggler margin

    makeArray(SelectorEngine.find("" + Selector$5.STICKY_CONTENT)).forEach(function (element) {
      var margin = Manipulator.getDataAttribute(element, 'margin-right');

      if (typeof margin !== 'undefined') {
        Manipulator.removeDataAttribute(element, 'margin-right');
        element.style.marginRight = margin;
      }
    }); // Restore body padding

    var padding = Manipulator.getDataAttribute(document.body, 'padding-right');

    if (typeof padding === 'undefined') {
      document.body.style.paddingRight = '';
    } else {
      Manipulator.removeDataAttribute(document.body, 'padding-right');
      document.body.style.paddingRight = padding;
    }
  };

  _proto._getScrollbarWidth = function _getScrollbarWidth() {
    // thx d.walsh
    var scrollDiv = document.createElement('div');
    scrollDiv.className = ClassName$5.SCROLLBAR_MEASURER;
    document.body.appendChild(scrollDiv);
    var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
    document.body.removeChild(scrollDiv);
    return scrollbarWidth;
  } // Static
  ;

  Modal.jQueryInterface = function jQueryInterface(config, relatedTarget) {
    return this.each(function () {
      var data = Data.getData(this, DATA_KEY$5);

      var _config = _objectSpread2({}, Default$3, {}, Manipulator.getDataAttributes(this), {}, typeof config === 'object' && config ? config : {});

      if (!data) {
        data = new Modal(this, _config);
      }

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

        data[config](relatedTarget);
      } else if (_config.show) {
        data.show(relatedTarget);
      }
    });
  };

  Modal.getInstance = function getInstance(element) {
    return Data.getData(element, DATA_KEY$5);
  };

  _createClass(Modal, null, [{
    key: "VERSION",
    get: function get() {
      return VERSION$5;
    }
  }, {
    key: "Default",
    get: function get() {
      return Default$3;
    }
  }]);

  return Modal;
}();
/**
 * ------------------------------------------------------------------------
 * Data Api implementation
 * ------------------------------------------------------------------------
 */


EventHandler.on(document, Event$6.CLICK_DATA_API, Selector$5.DATA_TOGGLE, function (event) {
  var _this11 = this;

  var target = getElementFromSelector(this);

  if (this.tagName === 'A' || this.tagName === 'AREA') {
    event.preventDefault();
  }

  EventHandler.one(target, Event$6.SHOW, function (showEvent) {
    if (showEvent.defaultPrevented) {
      // only register focus restorer if modal will actually get shown
      return;
    }

    EventHandler.one(target, Event$6.HIDDEN, function () {
      if (isVisible(_this11)) {
        _this11.focus();
      }
    });
  });
  var data = Data.getData(target, DATA_KEY$5);

  if (!data) {
    var config = _objectSpread2({}, Manipulator.getDataAttributes(target), {}, Manipulator.getDataAttributes(this));

    data = new Modal(target, config);
  }

  data.show(this);
});
var $$6 = getjQuery();
/**
 * ------------------------------------------------------------------------
 * jQuery
 * ------------------------------------------------------------------------
 * add .modal to jQuery only if jQuery is present
 */

/* istanbul ignore if */

if ($$6) {
  var JQUERY_NO_CONFLICT$5 = $$6.fn[NAME$5];
  $$6.fn[NAME$5] = Modal.jQueryInterface;
  $$6.fn[NAME$5].Constructor = Modal;

  $$6.fn[NAME$5].noConflict = function () {
    $$6.fn[NAME$5] = JQUERY_NO_CONFLICT$5;
    return Modal.jQueryInterface;
  };
}

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.3.1): util/sanitizer.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
var uriAttrs = ['background', 'cite', 'href', 'itemtype', 'longdesc', 'poster', 'src', 'xlink:href'];
var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i;
/**
 * A pattern that recognizes a commonly useful subset of URLs that are safe.
 *
 * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
 */

var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi;
/**
 * A pattern that matches safe data URLs. Only matches image, video and audio types.
 *
 * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
 */

var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+/]+=*$/i;

var allowedAttribute = function allowedAttribute(attr, allowedAttributeList) {
  var attrName = attr.nodeName.toLowerCase();

  if (allowedAttributeList.indexOf(attrName) !== -1) {
    if (uriAttrs.indexOf(attrName) !== -1) {
      return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN));
    }

    return true;
  }

  var regExp = allowedAttributeList.filter(function (attrRegex) {
    return attrRegex instanceof RegExp;
  }); // Check if a regular expression validates the attribute.

  for (var i = 0, l = regExp.length; i < l; i++) {
    if (attrName.match(regExp[i])) {
      return true;
    }
  }

  return false;
};

var DefaultWhitelist = {
  // Global attributes allowed on any supplied element below.
  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
  a: ['target', 'href', 'title', 'rel'],
  area: [],
  b: [],
  br: [],
  col: [],
  code: [],
  div: [],
  em: [],
  hr: [],
  h1: [],
  h2: [],
  h3: [],
  h4: [],
  h5: [],
  h6: [],
  i: [],
  img: ['src', 'alt', 'title', 'width', 'height'],
  li: [],
  ol: [],
  p: [],
  pre: [],
  s: [],
  small: [],
  span: [],
  sub: [],
  sup: [],
  strong: [],
  u: [],
  ul: []
};
function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
  if (!unsafeHtml.length) {
    return unsafeHtml;
  }

  if (sanitizeFn && typeof sanitizeFn === 'function') {
    return sanitizeFn(unsafeHtml);
  }

  var domParser = new window.DOMParser();
  var createdDocument = domParser.parseFromString(unsafeHtml, 'text/html');
  var whitelistKeys = Object.keys(whiteList);
  var elements = makeArray(createdDocument.body.querySelectorAll('*'));

  var _loop = function _loop(i, len) {
    var el = elements[i];
    var elName = el.nodeName.toLowerCase();

    if (whitelistKeys.indexOf(elName) === -1) {
      el.parentNode.removeChild(el);
      return "continue";
    }

    var attributeList = makeArray(el.attributes);
    var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || []);
    attributeList.forEach(function (attr) {
      if (!allowedAttribute(attr, whitelistedAttributes)) {
        el.removeAttribute(attr.nodeName);
      }
    });
  };

  for (var i = 0, len = elements.length; i < len; i++) {
    var _ret = _loop(i);

    if (_ret === "continue") continue;
  }

  return createdDocument.body.innerHTML;
}

/**
 * ------------------------------------------------------------------------
 * Constants
 * ------------------------------------------------------------------------
 */

var NAME$6 = 'tooltip';
var VERSION$6 = '4.3.1';
var DATA_KEY$6 = 'bs.tooltip';
var EVENT_KEY$6 = "." + DATA_KEY$6;
var CLASS_PREFIX = 'bs-tooltip';
var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn'];
var DefaultType$4 = {
  animation: 'boolean',
  template: 'string',
  title: '(string|element|function)',
  trigger: 'string',
  delay: '(number|object)',
  html: 'boolean',
  selector: '(string|boolean)',
  placement: '(string|function)',
  offset: '(number|string|function)',
  container: '(string|element|boolean)',
  fallbackPlacement: '(string|array)',
  boundary: '(string|element)',
  sanitize: 'boolean',
  sanitizeFn: '(null|function)',
  whiteList: 'object',
  popperConfig: '(null|object)'
};
var AttachmentMap$1 = {
  AUTO: 'auto',
  TOP: 'top',
  RIGHT: 'right',
  BOTTOM: 'bottom',
  LEFT: 'left'
};
var Default$4 = {
  animation: true,
  template: '<div class="tooltip" role="tooltip">' + '<div class="tooltip-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',
  sanitize: true,
  sanitizeFn: null,
  whiteList: DefaultWhitelist,
  popperConfig: null
};
var HoverState = {
  SHOW: 'show',
  OUT: 'out'
};
var Event$7 = {
  HIDE: "hide" + EVENT_KEY$6,
  HIDDEN: "hidden" + EVENT_KEY$6,
  SHOW: "show" + EVENT_KEY$6,
  SHOWN: "shown" + EVENT_KEY$6,
  INSERTED: "inserted" + EVENT_KEY$6,
  CLICK: "click" + EVENT_KEY$6,
  FOCUSIN: "focusin" + EVENT_KEY$6,
  FOCUSOUT: "focusout" + EVENT_KEY$6,
  MOUSEENTER: "mouseenter" + EVENT_KEY$6,
  MOUSELEAVE: "mouseleave" + EVENT_KEY$6
};
var ClassName$6 = {
  FADE: 'fade',
  SHOW: 'show'
};
var Selector$6 = {
  TOOLTIP_INNER: '.tooltip-inner'
};
var Trigger = {
  HOVER: 'hover',
  FOCUS: 'focus',
  CLICK: 'click',
  MANUAL: 'manual'
};
/**
 * ------------------------------------------------------------------------
 * Class Definition
 * ------------------------------------------------------------------------
 */

var Tooltip =
/*#__PURE__*/
function () {
  function Tooltip(element, config) {
    if (typeof Popper === 'undefined') {
      throw new TypeError('Bootstrap\'s 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();

    Data.setData(element, this.constructor.DATA_KEY, this);
  } // 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 = Data.getData(event.delegateTarget, dataKey);

      if (!context) {
        context = new this.constructor(event.delegateTarget, this._getDelegateConfig());
        Data.setData(event.delegateTarget, dataKey, context);
      }

      context._activeTrigger.click = !context._activeTrigger.click;

      if (context._isWithActiveTrigger()) {
        context._enter(null, context);
      } else {
        context._leave(null, context);
      }
    } else {
      if (this.getTipElement().classList.contains(ClassName$6.SHOW)) {
        this._leave(null, this);

        return;
      }

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

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

    if (this.tip) {
      this.tip.parentNode.removeChild(this.tip);
    }

    this._isEnabled = null;
    this._timeout = null;
    this._hoverState = null;
    this._activeTrigger = null;

    if (this._popper) {
      this._popper.destroy();
    }

    this._popper = null;
    this.element = null;
    this.config = null;
    this.tip = null;
  };

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

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

    if (this.isWithContent() && this._isEnabled) {
      var showEvent = EventHandler.trigger(this.element, this.constructor.Event.SHOW);
      var shadowRoot = findShadowRoot(this.element);
      var isInTheDom = shadowRoot === null ? this.element.ownerDocument.documentElement.contains(this.element) : shadowRoot.contains(this.element);

      if (showEvent.defaultPrevented || !isInTheDom) {
        return;
      }

      var tip = this.getTipElement();
      var tipId = getUID(this.constructor.NAME);
      tip.setAttribute('id', tipId);
      this.element.setAttribute('aria-describedby', tipId);
      this.setContent();

      if (this.config.animation) {
        tip.classList.add(ClassName$6.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._getContainer();

      Data.setData(tip, this.constructor.DATA_KEY, this);

      if (!this.element.ownerDocument.documentElement.contains(this.tip)) {
        container.appendChild(tip);
      }

      EventHandler.trigger(this.element, this.constructor.Event.INSERTED);
      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment));
      tip.classList.add(ClassName$6.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) {
        makeArray(document.body.children).forEach(function (element) {
          EventHandler.on(element, 'mouseover', noop());
        });
      }

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

        var prevHoverState = _this._hoverState;
        _this._hoverState = null;
        EventHandler.trigger(_this.element, _this.constructor.Event.SHOWN);

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

      if (this.tip.classList.contains(ClassName$6.FADE)) {
        var transitionDuration = getTransitionDurationFromElement(this.tip);
        EventHandler.one(this.tip, TRANSITION_END, complete);
        emulateTransitionEnd(this.tip, transitionDuration);
      } else {
        complete();
      }
    }
  };

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

    var tip = this.getTipElement();

    var complete = function complete() {
      if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
        tip.parentNode.removeChild(tip);
      }

      _this2._cleanTipClass();

      _this2.element.removeAttribute('aria-describedby');

      EventHandler.trigger(_this2.element, _this2.constructor.Event.HIDDEN);

      _this2._popper.destroy();
    };

    var hideEvent = EventHandler.trigger(this.element, this.constructor.Event.HIDE);

    if (hideEvent.defaultPrevented) {
      return;
    }

    tip.classList.remove(ClassName$6.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) {
      makeArray(document.body.children).forEach(function (element) {
        return EventHandler.off(element, 'mouseover', noop);
      });
    }

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

    if (this.tip.classList.contains(ClassName$6.FADE)) {
      var transitionDuration = getTransitionDurationFromElement(tip);
      EventHandler.one(tip, TRANSITION_END, complete);
      emulateTransitionEnd(tip, 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.getTipElement = function getTipElement() {
    if (this.tip) {
      return this.tip;
    }

    var element = document.createElement('div');
    element.innerHTML = this.config.template;
    this.tip = element.children[0];
    return this.tip;
  };

  _proto.setContent = function setContent() {
    var tip = this.getTipElement();
    this.setElementContent(SelectorEngine.findOne(Selector$6.TOOLTIP_INNER, tip), this.getTitle());
    tip.classList.remove(ClassName$6.FADE);
    tip.classList.remove(ClassName$6.SHOW);
  };

  _proto.setElementContent = function setElementContent(element, content) {
    if (element === null) {
      return;
    }

    if (typeof content === 'object' && isElement(content)) {
      if (content.jquery) {
        content = content[0];
      } // content is a DOM node or a jQuery


      if (this.config.html) {
        if (content.parentNode !== element) {
          element.innerHTML = '';
          element.appendChild(content);
        }
      } else {
        element.innerText = content.textContent;
      }

      return;
    }

    if (this.config.html) {
      if (this.config.sanitize) {
        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn);
      }

      element.innerHTML = content;
    } else {
      element.innerText = 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._getPopperConfig = function _getPopperConfig(attachment) {
    var _this3 = this;

    var defaultBsConfig = {
      placement: attachment,
      modifiers: {
        offset: this._getOffset(),
        flip: {
          behavior: this.config.fallbackPlacement
        },
        arrow: {
          element: "." + this.constructor.NAME + "-arrow"
        },
        preventOverflow: {
          boundariesElement: this.config.boundary
        }
      },
      onCreate: function onCreate(data) {
        if (data.originalPlacement !== data.placement) {
          _this3._handlePopperPlacementChange(data);
        }
      },
      onUpdate: function onUpdate(data) {
        return _this3._handlePopperPlacementChange(data);
      }
    };
    return _objectSpread2({}, defaultBsConfig, {}, this.config.popperConfig);
  };

  _proto._addAttachmentClass = function _addAttachmentClass(attachment) {
    this.getTipElement().classList.add(CLASS_PREFIX + "-" + attachment);
  };

  _proto._getOffset = function _getOffset() {
    var _this4 = this;

    var offset = {};

    if (typeof this.config.offset === 'function') {
      offset.fn = function (data) {
        data.offsets = _objectSpread2({}, data.offsets, {}, _this4.config.offset(data.offsets, _this4.element) || {});
        return data;
      };
    } else {
      offset.offset = this.config.offset;
    }

    return offset;
  };

  _proto._getContainer = function _getContainer() {
    if (this.config.container === false) {
      return document.body;
    }

    if (isElement(this.config.container)) {
      return this.config.container;
    }

    return SelectorEngine.findOne(this.config.container);
  };

  _proto._getAttachment = function _getAttachment(placement) {