define(["exports", "jquery"], function (exports, _jquery) {
  "use strict";

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  var _jquery2 = _interopRequireDefault(_jquery);

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.0.0): util.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  var Util = function ($) {
    /**
     * ------------------------------------------------------------------------
     * Private TransitionEnd Helpers
     * ------------------------------------------------------------------------
     */
    var transition = false;
    var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

    function toType(obj) {
      return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
    }

    function getSpecialTransitionEndEvent() {
      return {
        bindType: transition.end,
        delegateType: transition.end,
        handle: function handle(event) {
          if ($(event.target).is(this)) {
            return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
          }

          return undefined; // eslint-disable-line no-undefined
        }
      };
    }

    function transitionEndTest() {
      if (typeof window !== 'undefined' && window.QUnit) {
        return false;
      }

      return {
        end: 'transitionend'
      };
    }

    function transitionEndEmulator(duration) {
      var _this = this;

      var called = false;
      $(this).one(Util.TRANSITION_END, function () {
        called = true;
      });
      setTimeout(function () {
        if (!called) {
          Util.triggerTransitionEnd(_this);
        }
      }, duration);
      return this;
    }

    function setTransitionEndSupport() {
      transition = transitionEndTest();
      $.fn.emulateTransitionEnd = transitionEndEmulator;

      if (Util.supportsTransitionEnd()) {
        $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
      }
    }

    function escapeId(selector) {
      // We escape IDs in case of special selectors (selector = '#myId:something')
      // $.escapeSelector does not exist in jQuery < 3
      selector = typeof $.escapeSelector === 'function' ? $.escapeSelector(selector).substr(1) : selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1');
      return selector;
    }
    /**
     * --------------------------------------------------------------------------
     * Public Util Api
     * --------------------------------------------------------------------------
     */


    var Util = {
      TRANSITION_END: 'bsTransitionEnd',
      getUID: function getUID(prefix) {
        do {
          // eslint-disable-next-line no-bitwise
          prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
        } while (document.getElementById(prefix));

        return prefix;
      },
      getSelectorFromElement: function getSelectorFromElement(element) {
        var selector = element.getAttribute('data-target');

        if (!selector || selector === '#') {
          selector = element.getAttribute('href') || '';
        } // If it's an ID


        if (selector.charAt(0) === '#') {
          selector = escapeId(selector);
        }

        try {
          var $selector = $(document).find(selector);
          return $selector.length > 0 ? selector : null;
        } catch (err) {
          return null;
        }
      },
      reflow: function reflow(element) {
        return element.offsetHeight;
      },
      triggerTransitionEnd: function triggerTransitionEnd(element) {
        $(element).trigger(transition.end);
      },
      supportsTransitionEnd: function supportsTransitionEnd() {
        return Boolean(transition);
      },
      isElement: function isElement(obj) {
        return (obj[0] || obj).nodeType;
      },
      typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
        for (var property in configTypes) {
          if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
            var expectedTypes = configTypes[property];
            var value = config[property];
            var valueType = value && Util.isElement(value) ? 'element' : toType(value);

            if (!new RegExp(expectedTypes).test(valueType)) {
              throw new Error("".concat(componentName.toUpperCase(), ": ") + "Option \"".concat(property, "\" provided type \"").concat(valueType, "\" ") + "but expected type \"".concat(expectedTypes, "\"."));
            }
          }
        }
      }
    };
    setTransitionEndSupport();
    return Util;
  }(_jquery2.default);

  exports.default = Util;
});