bootstrap.js

          this._tether = new Tether({
            attachment: attachment,
            element: tip,
            target: this.element,
            classes: TetherClass,
            classPrefix: CLASS_PREFIX,
            offset: this.config.offset,
            constraints: this.config.constraints,
            addTargetClasses: false
          });

          Util.reflow(tip);
          this._tether.position();

          $(tip).addClass(ClassName.IN);

          var complete = function complete() {
            var prevHoverState = _this16._hoverState;
            _this16._hoverState = null;

            $(_this16.element).trigger(_this16.constructor.Event.SHOWN);

            if (prevHoverState === HoverState.OUT) {
              _this16._leave(null, _this16);
            }
          };

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

          complete();
        }
      }
    }, {
      key: 'hide',
      value: function hide(callback) {
        var _this17 = this;

        var tip = this.getTipElement();
        var hideEvent = $.Event(this.constructor.Event.HIDE);
        var complete = function complete() {
          if (_this17._hoverState !== HoverState.IN && tip.parentNode) {
            tip.parentNode.removeChild(tip);
          }

          _this17.element.removeAttribute('aria-describedby');
          $(_this17.element).trigger(_this17.constructor.Event.HIDDEN);
          _this17.cleanupTether();

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

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

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

        $(tip).removeClass(ClassName.IN);

        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {

          $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
        } else {
          complete();
        }

        this._hoverState = '';
      }

      // protected

    }, {
      key: 'isWithContent',
      value: function isWithContent() {
        return Boolean(this.getTitle());
      }
    }, {
      key: 'getTipElement',
      value: function getTipElement() {
        return this.tip = this.tip || $(this.config.template)[0];
      }
    }, {
      key: 'setContent',
      value: function setContent() {
        var $tip = $(this.getTipElement());

        this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());

        $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);

        this.cleanupTether();
      }
    }, {
      key: 'setElementContent',
      value: function setElementContent($element, content) {
        var html = this.config.html;
        if (typeof content === 'object' && (content.nodeType || content.jquery)) {
          // content is a DOM node or a jQuery
          if (html) {
            if (!$(content).parent().is($element)) {
              $element.empty().append(content);
            }
          } else {
            $element.text($(content).text());
          }
        } else {
          $element[html ? 'html' : 'text'](content);
        }
      }
    }, {
      key: 'getTitle',
      value: 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;
      }
    }, {
      key: 'cleanupTether',
      value: function cleanupTether() {
        if (this._tether) {
          this._tether.destroy();
        }
      }

      // private

    }, {
      key: '_getAttachment',
      value: function _getAttachment(placement) {
        return AttachmentMap[placement.toUpperCase()];
      }
    }, {
      key: '_setListeners',
      value: function _setListeners() {
        var _this18 = this;

        var triggers = this.config.trigger.split(' ');

        triggers.forEach(function (trigger) {
          if (trigger === 'click') {
            $(_this18.element).on(_this18.constructor.Event.CLICK, _this18.config.selector, $.proxy(_this18.toggle, _this18));
          } else if (trigger !== Trigger.MANUAL) {
            var eventIn = trigger === Trigger.HOVER ? _this18.constructor.Event.MOUSEENTER : _this18.constructor.Event.FOCUSIN;
            var eventOut = trigger === Trigger.HOVER ? _this18.constructor.Event.MOUSELEAVE : _this18.constructor.Event.FOCUSOUT;

            $(_this18.element).on(eventIn, _this18.config.selector, $.proxy(_this18._enter, _this18)).on(eventOut, _this18.config.selector, $.proxy(_this18._leave, _this18));
          }
        });

        if (this.config.selector) {
          this.config = $.extend({}, this.config, {
            trigger: 'manual',
            selector: ''
          });
        } else {
          this._fixTitle();
        }
      }
    }, {
      key: '_fixTitle',
      value: 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', '');
        }
      }
    }, {
      key: '_enter',
      value: function _enter(event, context) {
        var dataKey = this.constructor.DATA_KEY;

        context = context || $(event.currentTarget).data(dataKey);

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

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

        if ($(context.getTipElement()).hasClass(ClassName.IN) || context._hoverState === HoverState.IN) {
          context._hoverState = HoverState.IN;
          return;
        }

        clearTimeout(context._timeout);

        context._hoverState = HoverState.IN;

        if (!context.config.delay || !context.config.delay.show) {
          context.show();
          return;
        }

        context._timeout = setTimeout(function () {
          if (context._hoverState === HoverState.IN) {
            context.show();
          }
        }, context.config.delay.show);
      }
    }, {
      key: '_leave',
      value: function _leave(event, context) {
        var dataKey = this.constructor.DATA_KEY;

        context = context || $(event.currentTarget).data(dataKey);

        if (!context) {
          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
          $(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);
      }
    }, {
      key: '_isWithActiveTrigger',
      value: function _isWithActiveTrigger() {
        for (var trigger in this._activeTrigger) {
          if (this._activeTrigger[trigger]) {
            return true;
          }
        }

        return false;
      }
    }, {
      key: '_getConfig',
      value: function _getConfig(config) {
        config = $.extend({}, this.constructor.Default, $(this.element).data(), config);

        if (config.delay && typeof config.delay === 'number') {
          config.delay = {
            show: config.delay,
            hide: config.delay
          };
        }

        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);

        return config;
      }
    }, {
      key: '_getDelegateConfig',
      value: 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;
      }

      // static

    }], [{
      key: '_jQueryInterface',
      value: function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);
          var _config = typeof config === 'object' ? config : null;

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

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

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

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

  return Tooltip;
})(jQuery);

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

var Popover = (function ($) {

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

  var NAME = 'popover';
  var VERSION = '4.0.0-alpha.2';
  var DATA_KEY = 'bs.popover';
  var EVENT_KEY = '.' + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];

  var Default = $.extend({}, Tooltip.Default, {
    placement: 'right',
    trigger: 'click',
    content: '',
    template: '<div class="popover" role="tooltip">' + '<div class="popover-arrow"></div>' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
  });

  var DefaultType = $.extend({}, Tooltip.DefaultType, {
    content: '(string|element|function)'
  });

  var ClassName = {
    FADE: 'fade',
    IN: 'in'
  };

  var Selector = {
    TITLE: '.popover-title',
    CONTENT: '.popover-content',
    ARROW: '.popover-arrow'
  };

  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 = (function (_Tooltip) {
    _inherits(Popover, _Tooltip);

    function Popover() {
      _classCallCheck(this, Popover);

      _get(Object.getPrototypeOf(Popover.prototype), 'constructor', this).apply(this, arguments);
    }

    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    _createClass(Popover, [{
      key: 'isWithContent',

      // overrides

      value: function isWithContent() {
        return this.getTitle() || this._getContent();
      }
    }, {
      key: 'getTipElement',
      value: function getTipElement() {
        return this.tip = this.tip || $(this.config.template)[0];
      }
    }, {
      key: 'setContent',
      value: function setContent() {
        var $tip = $(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).removeClass(ClassName.IN);

        this.cleanupTether();
      }

      // private

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

      // static

    }], [{
      key: '_jQueryInterface',
      value: function _jQueryInterface(config) {
        return this.each(function () {
          var data = $(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);
            $(this).data(DATA_KEY, data);
          }

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

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

  return Popover;
})(jQuery);

}(jQuery);