bootstrap.esm.js

  ACTIVE: 'active',
  BUTTON: 'btn',
  FOCUS: 'focus'
};
var Selector$1 = {
  DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
  DATA_TOGGLE: '[data-toggle="buttons"]',
  INPUT: 'input:not([type="hidden"])',
  ACTIVE: '.active',
  BUTTON: '.btn'
};
var Event$2 = {
  CLICK_DATA_API: "click" + EVENT_KEY$1 + DATA_API_KEY$1,
  FOCUS_DATA_API: "focus" + EVENT_KEY$1 + DATA_API_KEY$1,
  BLUR_DATA_API: "blur" + EVENT_KEY$1 + DATA_API_KEY$1
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

};

var Button =
/*#__PURE__*/
function () {
  function Button(element) {
    this._element = element;
    Data.setData(element, DATA_KEY$1, this);
  } // Getters


  var _proto = Button.prototype;

  // Public
  _proto.toggle = function toggle() {
    var triggerChangeEvent = true;
    var addAriaPressed = true;
    var rootElement = SelectorEngine.closest(this._element, Selector$1.DATA_TOGGLE);

    if (rootElement) {
      var input = SelectorEngine.findOne(Selector$1.INPUT, this._element);

      if (input) {
        if (input.type === 'radio') {
          if (input.checked && this._element.classList.contains(ClassName$1.ACTIVE)) {
            triggerChangeEvent = false;
          } else {
            var activeElement = SelectorEngine.findOne(Selector$1.ACTIVE, rootElement);

            if (activeElement) {
              activeElement.classList.remove(ClassName$1.ACTIVE);
            }
          }
        }

        if (triggerChangeEvent) {
          if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
            return;
          }

          input.checked = !this._element.classList.contains(ClassName$1.ACTIVE);
          EventHandler.trigger(input, 'change');
        }

        input.focus();
        addAriaPressed = false;
      }
    }

    if (addAriaPressed) {
      this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName$1.ACTIVE));
    }

    if (triggerChangeEvent) {
      this._element.classList.toggle(ClassName$1.ACTIVE);
    }
  };

  _proto.dispose = function dispose() {
    Data.removeData(this._element, DATA_KEY$1);
    this._element = null;
  } // Static
  ;

  Button._jQueryInterface = function _jQueryInterface(config) {
    return this.each(function () {
      var data = Data.getData(this, DATA_KEY$1);

      if (!data) {
        data = new Button(this);
      }

      if (config === 'toggle') {
        data[config]();
      }
    });
  };

  Button._getInstance = function _getInstance(element) {
    return Data.getData(element, DATA_KEY$1);
  };

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

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


EventHandler.on(document, Event$2.CLICK_DATA_API, Selector$1.DATA_TOGGLE_CARROT, function (event) {
  event.preventDefault();
  var button = event.target;

  if (!button.classList.contains(ClassName$1.BUTTON)) {
    button = SelectorEngine.closest(button, Selector$1.BUTTON);
  }

  var data = Data.getData(button, DATA_KEY$1);

  if (!data) {
    data = new Button(button);
  }

  data.toggle();
});
EventHandler.on(document, Event$2.FOCUS_DATA_API, Selector$1.DATA_TOGGLE_CARROT, function (event) {
  var button = SelectorEngine.closest(event.target, Selector$1.BUTTON);

  if (button) {
    button.classList.add(ClassName$1.FOCUS);
  }
});
EventHandler.on(document, Event$2.BLUR_DATA_API, Selector$1.DATA_TOGGLE_CARROT, function (event) {
  var button = SelectorEngine.closest(event.target, Selector$1.BUTTON);

  if (button) {
    button.classList.remove(ClassName$1.FOCUS);
  }
});
/**
 * ------------------------------------------------------------------------
 * jQuery
 * ------------------------------------------------------------------------
 * add .button to jQuery only if jQuery is present
 */

/* istanbul ignore if */

if (typeof jQuery !== 'undefined') {
  var JQUERY_NO_CONFLICT$1 = jQuery.fn[NAME$1];
  jQuery.fn[NAME$1] = Button._jQueryInterface;
  jQuery.fn[NAME$1].Constructor = Button;

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

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.3.1): dom/manipulator.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
function normalizeData(val) {
  if (val === 'true') {
    return true;
  }

  if (val === 'false') {
    return false;
  }

  if (val === Number(val).toString()) {
    return Number(val);
  }

  if (val === '' || val === 'null') {
    return null;
  }

  return val;
}

function normalizeDataKey(key) {
  return key.replace(/[A-Z]/g, function (chr) {
    return chr.toLowerCase();
  });
}

var Manipulator = {
  setDataAttribute: function setDataAttribute(element, key, value) {
    element.setAttribute("data-" + normalizeDataKey(key), value);
  },
  removeDataAttribute: function removeDataAttribute(element, key) {
    element.removeAttribute("data-" + normalizeDataKey(key));
  },
  getDataAttributes: function getDataAttributes(element) {
    if (!element) {
      return {};
    }

    var attributes = _objectSpread2({}, element.dataset);

    Object.keys(attributes).forEach(function (key) {
      attributes[key] = normalizeData(attributes[key]);
    });
    return attributes;
  },
  getDataAttribute: function getDataAttribute(element, key) {
    return normalizeData(element.getAttribute("data-" + normalizeDataKey(key)));
  },
  offset: function offset(element) {
    var rect = element.getBoundingClientRect();
    return {
      top: rect.top + document.body.scrollTop,
      left: rect.left + document.body.scrollLeft
    };
  },
  position: function position(element) {
    return {
      top: element.offsetTop,
      left: element.offsetLeft
    };
  },
  toggleClass: function toggleClass(element, className) {
    if (!element) {
      return;
    }

    if (element.classList.contains(className)) {
      element.classList.remove(className);
    } else {
      element.classList.add(className);
    }
  }
};

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

var NAME$2 = 'carousel';
var VERSION$2 = '4.3.1';
var DATA_KEY$2 = 'bs.carousel';
var EVENT_KEY$2 = "." + DATA_KEY$2;
var DATA_API_KEY$2 = '.data-api';
var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key

var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key

var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch

var SWIPE_THRESHOLD = 40;
var Default = {
  interval: 5000,
  keyboard: true,
  slide: false,
  pause: 'hover',
  wrap: true,
  touch: true
};
var DefaultType = {
  interval: '(number|boolean)',
  keyboard: 'boolean',
  slide: '(boolean|string)',
  pause: '(string|boolean)',
  wrap: 'boolean',
  touch: 'boolean'
};
var Direction = {
  NEXT: 'next',
  PREV: 'prev',
  LEFT: 'left',
  RIGHT: 'right'
};
var Event$3 = {
  SLIDE: "slide" + EVENT_KEY$2,
  SLID: "slid" + EVENT_KEY$2,
  KEYDOWN: "keydown" + EVENT_KEY$2,
  MOUSEENTER: "mouseenter" + EVENT_KEY$2,
  MOUSELEAVE: "mouseleave" + EVENT_KEY$2,
  TOUCHSTART: "touchstart" + EVENT_KEY$2,
  TOUCHMOVE: "touchmove" + EVENT_KEY$2,
  TOUCHEND: "touchend" + EVENT_KEY$2,
  POINTERDOWN: "pointerdown" + EVENT_KEY$2,
  POINTERUP: "pointerup" + EVENT_KEY$2,
  DRAG_START: "dragstart" + EVENT_KEY$2,
  LOAD_DATA_API: "load" + EVENT_KEY$2 + DATA_API_KEY$2,
  CLICK_DATA_API: "click" + EVENT_KEY$2 + DATA_API_KEY$2
};
var ClassName$2 = {
  CAROUSEL: 'carousel',
  ACTIVE: 'active',
  SLIDE: 'slide',
  RIGHT: 'carousel-item-right',
  LEFT: 'carousel-item-left',
  NEXT: 'carousel-item-next',
  PREV: 'carousel-item-prev',
  ITEM: 'carousel-item',
  POINTER_EVENT: 'pointer-event'
};
var Selector$2 = {
  ACTIVE: '.active',
  ACTIVE_ITEM: '.active.carousel-item',
  ITEM: '.carousel-item',
  ITEM_IMG: '.carousel-item img',
  NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
  INDICATORS: '.carousel-indicators',
  DATA_SLIDE: '[data-slide], [data-slide-to]',
  DATA_RIDE: '[data-ride="carousel"]'
};
var PointerType = {
  TOUCH: 'touch',
  PEN: 'pen'
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

};

var Carousel =
/*#__PURE__*/
function () {
  function Carousel(element, config) {
    this._items = null;
    this._interval = null;
    this._activeElement = null;
    this._isPaused = false;
    this._isSliding = false;
    this.touchTimeout = null;
    this.touchStartX = 0;
    this.touchDeltaX = 0;
    this._config = this._getConfig(config);
    this._element = element;
    this._indicatorsElement = SelectorEngine.findOne(Selector$2.INDICATORS, this._element);
    this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
    this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent);

    this._addEventListeners();

    Data.setData(element, DATA_KEY$2, this);
  } // Getters


  var _proto = Carousel.prototype;

  // Public
  _proto.next = function next() {
    if (!this._isSliding) {
      this._slide(Direction.NEXT);
    }
  };

  _proto.nextWhenVisible = function nextWhenVisible() {
    // Don't call next when the page isn't visible
    // or the carousel or its parent isn't visible
    if (!document.hidden && isVisible(this._element)) {
      this.next();
    }
  };

  _proto.prev = function prev() {
    if (!this._isSliding) {
      this._slide(Direction.PREV);
    }
  };

  _proto.pause = function pause(event) {
    if (!event) {
      this._isPaused = true;
    }

    if (SelectorEngine.findOne(Selector$2.NEXT_PREV, this._element)) {
      triggerTransitionEnd(this._element);
      this.cycle(true);
    }

    clearInterval(this._interval);
    this._interval = null;
  };

  _proto.cycle = function cycle(event) {
    if (!event) {
      this._isPaused = false;
    }

    if (this._interval) {
      clearInterval(this._interval);
      this._interval = null;
    }

    if (this._config && this._config.interval && !this._isPaused) {
      this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
    }
  };

  _proto.to = function to(index) {
    var _this = this;

    this._activeElement = SelectorEngine.findOne(Selector$2.ACTIVE_ITEM, this._element);

    var activeIndex = this._getItemIndex(this._activeElement);

    if (index > this._items.length - 1 || index < 0) {
      return;
    }

    if (this._isSliding) {
      EventHandler.one(this._element, Event$3.SLID, function () {
        return _this.to(index);
      });
      return;
    }

    if (activeIndex === index) {
      this.pause();
      this.cycle();
      return;
    }

    var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;

    this._slide(direction, this._items[index]);
  };

  _proto.dispose = function dispose() {
    EventHandler.off(this._element, EVENT_KEY$2);
    Data.removeData(this._element, DATA_KEY$2);
    this._items = null;
    this._config = null;
    this._element = null;
    this._interval = null;
    this._isPaused = null;
    this._isSliding = null;
    this._activeElement = null;
    this._indicatorsElement = null;
  } // Private
  ;

  _proto._getConfig = function _getConfig(config) {
    config = _objectSpread2({}, Default, {}, config);
    typeCheckConfig(NAME$2, config, DefaultType);
    return config;
  };

  _proto._handleSwipe = function _handleSwipe() {
    var absDeltax = Math.abs(this.touchDeltaX);

    if (absDeltax <= SWIPE_THRESHOLD) {
      return;
    }

    var direction = absDeltax / this.touchDeltaX;
    this.touchDeltaX = 0; // swipe left

    if (direction > 0) {
      this.prev();
    } // swipe right


    if (direction < 0) {
      this.next();
    }
  };

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

    if (this._config.keyboard) {
      EventHandler.on(this._element, Event$3.KEYDOWN, function (event) {
        return _this2._keydown(event);
      });
    }

    if (this._config.pause === 'hover') {
      EventHandler.on(this._element, Event$3.MOUSEENTER, function (event) {
        return _this2.pause(event);
      });
      EventHandler.on(this._element, Event$3.MOUSELEAVE, function (event) {
        return _this2.cycle(event);
      });
    }

    if (this._config.touch && this._touchSupported) {
      this._addTouchEventListeners();
    }
  };

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

    var start = function start(event) {
      if (_this3._pointerEvent && PointerType[event.pointerType.toUpperCase()]) {
        _this3.touchStartX = event.clientX;
      } else if (!_this3._pointerEvent) {
        _this3.touchStartX = event.touches[0].clientX;
      }
    };

    var move = function move(event) {
      // ensure swiping with one touch and not pinching
      if (event.touches && event.touches.length > 1) {
        _this3.touchDeltaX = 0;
      } else {
        _this3.touchDeltaX = event.touches[0].clientX - _this3.touchStartX;
      }
    };

    var end = function end(event) {
      if (_this3._pointerEvent && PointerType[event.pointerType.toUpperCase()]) {
        _this3.touchDeltaX = event.clientX - _this3.touchStartX;
      }

      _this3._handleSwipe();

      if (_this3._config.pause === 'hover') {
        // If it's a touch-enabled device, mouseenter/leave are fired as
        // part of the mouse compatibility events on first tap - the carousel
        // would stop cycling until user tapped out of it;
        // here, we listen for touchend, explicitly pause the carousel
        // (as if it's the second time we tap on it, mouseenter compat event
        // is NOT fired) and after a timeout (to allow for mouse compatibility
        // events to fire) we explicitly restart cycling
        _this3.pause();

        if (_this3.touchTimeout) {
          clearTimeout(_this3.touchTimeout);
        }

        _this3.touchTimeout = setTimeout(function (event) {
          return _this3.cycle(event);
        }, TOUCHEVENT_COMPAT_WAIT + _this3._config.interval);
      }
    };

    makeArray(SelectorEngine.find(Selector$2.ITEM_IMG, this._element)).forEach(function (itemImg) {
      EventHandler.on(itemImg, Event$3.DRAG_START, function (e) {
        return e.preventDefault();
      });
    });

    if (this._pointerEvent) {
      EventHandler.on(this._element, Event$3.POINTERDOWN, function (event) {
        return start(event);
      });
      EventHandler.on(this._element, Event$3.POINTERUP, function (event) {
        return end(event);
      });

      this._element.classList.add(ClassName$2.POINTER_EVENT);
    } else {
      EventHandler.on(this._element, Event$3.TOUCHSTART, function (event) {
        return start(event);
      });
      EventHandler.on(this._element, Event$3.TOUCHMOVE, function (event) {
        return move(event);
      });
      EventHandler.on(this._element, Event$3.TOUCHEND, function (event) {
        return end(event);
      });
    }
  };

  _proto._keydown = function _keydown(event) {
    if (/input|textarea/i.test(event.target.tagName)) {
      return;
    }

    switch (event.which) {
      case ARROW_LEFT_KEYCODE:
        event.preventDefault();
        this.prev();
        break;

      case ARROW_RIGHT_KEYCODE:
        event.preventDefault();
        this.next();
        break;

      default:
    }
  };

  _proto._getItemIndex = function _getItemIndex(element) {
    this._items = element && element.parentNode ? makeArray(SelectorEngine.find(Selector$2.ITEM, element.parentNode)) : [];
    return this._items.indexOf(element);
  };

  _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
    var isNextDirection = direction === Direction.NEXT;
    var isPrevDirection = direction === Direction.PREV;

    var activeIndex = this._getItemIndex(activeElement);

    var lastItemIndex = this._items.length - 1;
    var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;

    if (isGoingToWrap && !this._config.wrap) {
      return activeElement;
    }

    var delta = direction === Direction.PREV ? -1 : 1;
    var itemIndex = (activeIndex + delta) % this._items.length;
    return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
  };

  _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
    var targetIndex = this._getItemIndex(relatedTarget);

    var fromIndex = this._getItemIndex(SelectorEngine.findOne(Selector$2.ACTIVE_ITEM, this._element));

    return EventHandler.trigger(this._element, Event$3.SLIDE, {
      relatedTarget: relatedTarget,
      direction: eventDirectionName,
      from: fromIndex,
      to: targetIndex
    });
  };

  _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
    if (this._indicatorsElement) {
      var indicators = SelectorEngine.find(Selector$2.ACTIVE, this._indicatorsElement);

      for (var i = 0; i < indicators.length; i++) {
        indicators[i].classList.remove(ClassName$2.ACTIVE);
      }

      var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];

      if (nextIndicator) {
        nextIndicator.classList.add(ClassName$2.ACTIVE);
      }
    }
  };

  _proto._slide = function _slide(direction, element) {
    var _this4 = this;

    var activeElement = SelectorEngine.findOne(Selector$2.ACTIVE_ITEM, this._element);

    var activeElementIndex = this._getItemIndex(activeElement);

    var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);

    var nextElementIndex = this._getItemIndex(nextElement);

    var isCycling = Boolean(this._interval);
    var directionalClassName;
    var orderClassName;
    var eventDirectionName;

    if (direction === Direction.NEXT) {
      directionalClassName = ClassName$2.LEFT;
      orderClassName = ClassName$2.NEXT;
      eventDirectionName = Direction.LEFT;
    } else {
      directionalClassName = ClassName$2.RIGHT;
      orderClassName = ClassName$2.PREV;
      eventDirectionName = Direction.RIGHT;
    }

    if (nextElement && nextElement.classList.contains(ClassName$2.ACTIVE)) {
      this._isSliding = false;
      return;
    }

    var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);

    if (slideEvent.defaultPrevented) {
      return;
    }

    if (!activeElement || !nextElement) {
      // Some weirdness is happening, so we bail
      return;
    }

    this._isSliding = true;

    if (isCycling) {
      this.pause();
    }

    this._setActiveIndicatorElement(nextElement);

    if (this._element.classList.contains(ClassName$2.SLIDE)) {
      nextElement.classList.add(orderClassName);
      reflow(nextElement);
      activeElement.classList.add(directionalClassName);
      nextElement.classList.add(directionalClassName);
      var nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10);

      if (nextElementInterval) {
        this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
        this._config.interval = nextElementInterval;
      } else {
        this._config.interval = this._config.defaultInterval || this._config.interval;
      }

      var transitionDuration = getTransitionDurationFromElement(activeElement);
      EventHandler.one(activeElement, TRANSITION_END, function () {
        nextElement.classList.remove(directionalClassName);
        nextElement.classList.remove(orderClassName);
        nextElement.classList.add(ClassName$2.ACTIVE);
        activeElement.classList.remove(ClassName$2.ACTIVE);
        activeElement.classList.remove(orderClassName);
        activeElement.classList.remove(directionalClassName);
        _this4._isSliding = false;
        setTimeout(function () {
          EventHandler.trigger(_this4._element, Event$3.SLID, {
            relatedTarget: nextElement,
            direction: eventDirectionName,
            from: activeElementIndex,
            to: nextElementIndex
          });
        }, 0);
      });
      emulateTransitionEnd(activeElement, transitionDuration);
    } else {
      activeElement.classList.remove(ClassName$2.ACTIVE);
      nextElement.classList.add(ClassName$2.ACTIVE);
      this._isSliding = false;
      EventHandler.trigger(this._element, Event$3.SLID, {
        relatedTarget: nextElement,
        direction: eventDirectionName,
        from: activeElementIndex,
        to: nextElementIndex
      });
    }

    if (isCycling) {
      this.cycle();
    }
  } // Static
  ;

  Carousel._carouselInterface = function _carouselInterface(element, config) {
    var data = Data.getData(element, DATA_KEY$2);

    var _config = _objectSpread2({}, Default, {}, Manipulator.getDataAttributes(element));

    if (typeof config === 'object') {
      _config = _objectSpread2({}, _config, {}, config);
    }

    var action = typeof config === 'string' ? config : _config.slide;

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

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

      data[action]();
    } else if (_config.interval && _config.ride) {
      data.pause();
      data.cycle();
    }
  };

  Carousel._jQueryInterface = function _jQueryInterface(config) {
    return this.each(function () {
      Carousel._carouselInterface(this, config);
    });
  };

  Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
    var selector = getSelectorFromElement(this);

    if (!selector) {
      return;
    }

    var target = SelectorEngine.findOne(selector);

    if (!target || !target.classList.contains(ClassName$2.CAROUSEL)) {
      return;
    }

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

    var slideIndex = this.getAttribute('data-slide-to');

    if (slideIndex) {
      config.interval = false;
    }

    Carousel._carouselInterface(target, config);

    if (slideIndex) {
      Data.getData(target, DATA_KEY$2).to(slideIndex);
    }

    event.preventDefault();
  };

  Carousel._getInstance = function _getInstance(element) {
    return Data.getData(element, DATA_KEY$2);
  };

  _createClass(Carousel, null, [{
    key: "VERSION",
    get: function get() {
      return VERSION$2;
    }
  }, {
    key: "Default",
    get: function get() {
      return Default;
    }
  }]);

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


EventHandler.on(document, Event$3.CLICK_DATA_API, Selector$2.DATA_SLIDE, Carousel._dataApiClickHandler);
EventHandler.on(window, Event$3.LOAD_DATA_API, function () {
  var carousels = makeArray(SelectorEngine.find(Selector$2.DATA_RIDE));

  for (var i = 0, len = carousels.length; i < len; i++) {
    Carousel._carouselInterface(carousels[i], Data.getData(carousels[i], DATA_KEY$2));
  }
});
/**
 * ------------------------------------------------------------------------
 * jQuery
 * ------------------------------------------------------------------------
 * add .carousel to jQuery only if jQuery is present
 */

/* istanbul ignore if */

if (typeof jQuery !== 'undefined') {
  var JQUERY_NO_CONFLICT$2 = jQuery.fn[NAME$2];
  jQuery.fn[NAME$2] = Carousel._jQueryInterface;
  jQuery.fn[NAME$2].Constructor = Carousel;

  jQuery.fn[NAME$2].noConflict = function () {
    jQuery.fn[NAME$2] = JQUERY_NO_CONFLICT$2;
    return Carousel._jQueryInterface;
  };
}

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

var NAME$3 = 'collapse';
var VERSION$3 = '4.3.1';
var DATA_KEY$3 = 'bs.collapse';
var EVENT_KEY$3 = "." + DATA_KEY$3;
var DATA_API_KEY$3 = '.data-api';
var Default$1 = {
  toggle: true,
  parent: ''
};
var DefaultType$1 = {
  toggle: 'boolean',
  parent: '(string|element)'
};
var Event$4 = {
  SHOW: "show" + EVENT_KEY$3,
  SHOWN: "shown" + EVENT_KEY$3,
  HIDE: "hide" + EVENT_KEY$3,
  HIDDEN: "hidden" + EVENT_KEY$3,
  CLICK_DATA_API: "click" + EVENT_KEY$3 + DATA_API_KEY$3
};
var ClassName$3 = {
  SHOW: 'show',
  COLLAPSE: 'collapse',
  COLLAPSING: 'collapsing',
  COLLAPSED: 'collapsed'
};
var Dimension = {
  WIDTH: 'width',
  HEIGHT: 'height'
};
var Selector$3 = {
  ACTIVES: '.show, .collapsing',
  DATA_TOGGLE: '[data-toggle="collapse"]'
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

};

var Collapse =
/*#__PURE__*/
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;