GPQAPP

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/*!
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  * Bootstrap v4.6.1 (https://getbootstrap.com/)
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  * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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  */
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(function (global, factory) {
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  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('jquery')) :
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  typeof define === 'function' && define.amd ? define(['exports', 'jquery'], factory) :
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  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.bootstrap = {}, global.jQuery));
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})(this, (function (exports, $) { 'use strict';
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  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
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  function _defineProperties(target, props) {
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    for (var i = 0; i < props.length; i++) {
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      var descriptor = props[i];
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      descriptor.enumerable = descriptor.enumerable || false;
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      descriptor.configurable = true;
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      if ("value" in descriptor) descriptor.writable = true;
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      Object.defineProperty(target, descriptor.key, descriptor);
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    }
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  }
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  function _createClass(Constructor, protoProps, staticProps) {
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    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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    if (staticProps) _defineProperties(Constructor, staticProps);
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    return Constructor;
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  }
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  function _extends$1() {
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    _extends$1 = Object.assign || function (target) {
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      for (var i = 1; i < arguments.length; i++) {
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        var source = arguments[i];
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        for (var key in source) {
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          if (Object.prototype.hasOwnProperty.call(source, key)) {
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            target[key] = source[key];
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          }
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        }
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      }
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      return target;
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    };
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    return _extends$1.apply(this, arguments);
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  }
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  function _inheritsLoose(subClass, superClass) {
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    subClass.prototype = Object.create(superClass.prototype);
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    subClass.prototype.constructor = subClass;
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    _setPrototypeOf(subClass, superClass);
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  }
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  function _setPrototypeOf(o, p) {
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    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
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      o.__proto__ = p;
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      return o;
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    };
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    return _setPrototypeOf(o, p);
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  }
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  /**
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   * --------------------------------------------------------------------------
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   * Bootstrap (v4.6.1): util.js
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   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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   * --------------------------------------------------------------------------
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   */
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  /**
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   * Private TransitionEnd Helpers
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   */
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  var TRANSITION_END = 'transitionend';
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  var MAX_UID = 1000000;
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  var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
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  function toType(obj) {
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    if (obj === null || typeof obj === 'undefined') {
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      return "" + obj;
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    }
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    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
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  }
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  function getSpecialTransitionEndEvent() {
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    return {
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      bindType: TRANSITION_END,
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      delegateType: TRANSITION_END,
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      handle: function handle(event) {
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        if ($__default["default"](event.target).is(this)) {
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          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
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        }
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        return undefined;
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      }
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    };
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  }
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  function transitionEndEmulator(duration) {
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    var _this = this;
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    var called = false;
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    $__default["default"](this).one(Util.TRANSITION_END, function () {
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      called = true;
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    });
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    setTimeout(function () {
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      if (!called) {
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        Util.triggerTransitionEnd(_this);
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      }
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    }, duration);
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    return this;
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  }
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  function setTransitionEndSupport() {
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    $__default["default"].fn.emulateTransitionEnd = transitionEndEmulator;
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    $__default["default"].event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
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  }
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  /**
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   * Public Util API
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   */
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  var Util = {
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    TRANSITION_END: 'bsTransitionEnd',
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    getUID: function getUID(prefix) {
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      do {
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        // eslint-disable-next-line no-bitwise
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        prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
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      } while (document.getElementById(prefix));
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      return prefix;
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    },
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    getSelectorFromElement: function getSelectorFromElement(element) {
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      var selector = element.getAttribute('data-target');
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      if (!selector || selector === '#') {
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        var hrefAttr = element.getAttribute('href');
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        selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
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      }
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      try {
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        return document.querySelector(selector) ? selector : null;
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      } catch (_) {
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        return null;
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      }
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    },
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    getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
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      if (!element) {
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        return 0;
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      } // Get transition-duration of the element
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      var transitionDuration = $__default["default"](element).css('transition-duration');
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      var transitionDelay = $__default["default"](element).css('transition-delay');
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      var floatTransitionDuration = parseFloat(transitionDuration);
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      var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found
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      if (!floatTransitionDuration && !floatTransitionDelay) {
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        return 0;
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      } // If multiple durations are defined, take the first
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      transitionDuration = transitionDuration.split(',')[0];
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      transitionDelay = transitionDelay.split(',')[0];
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      return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
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    },
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    reflow: function reflow(element) {
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      return element.offsetHeight;
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    },
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    triggerTransitionEnd: function triggerTransitionEnd(element) {
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      $__default["default"](element).trigger(TRANSITION_END);
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    },
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    supportsTransitionEnd: function supportsTransitionEnd() {
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      return Boolean(TRANSITION_END);
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    },
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    isElement: function isElement(obj) {
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      return (obj[0] || obj).nodeType;
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    },
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    typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
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      for (var property in configTypes) {
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        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
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          var expectedTypes = configTypes[property];
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          var value = config[property];
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          var valueType = value && Util.isElement(value) ? 'element' : toType(value);
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          if (!new RegExp(expectedTypes).test(valueType)) {
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            throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
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          }
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        }
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      }
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    },
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    findShadowRoot: function findShadowRoot(element) {
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      if (!document.documentElement.attachShadow) {
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        return null;
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      } // Can find the shadow root otherwise it'll return the document
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      if (typeof element.getRootNode === 'function') {
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        var root = element.getRootNode();
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        return root instanceof ShadowRoot ? root : null;
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      }
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      if (element instanceof ShadowRoot) {
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        return element;
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      } // when we don't find a shadow root
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      if (!element.parentNode) {
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        return null;
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      }
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      return Util.findShadowRoot(element.parentNode);
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    },
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    jQueryDetection: function jQueryDetection() {
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      if (typeof $__default["default"] === 'undefined') {
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        throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
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      }
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      var version = $__default["default"].fn.jquery.split(' ')[0].split('.');
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      var minMajor = 1;
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      var ltMajor = 2;
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      var minMinor = 9;
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      var minPatch = 1;
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      var maxMajor = 4;
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      if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
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        throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
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      }
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    }
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  };
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  Util.jQueryDetection();
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  setTransitionEndSupport();
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  /**
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   * Constants
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   */
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  var NAME$a = 'alert';
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  var VERSION$a = '4.6.1';
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  var DATA_KEY$a = 'bs.alert';
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  var EVENT_KEY$a = "." + DATA_KEY$a;
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  var DATA_API_KEY$7 = '.data-api';
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  var JQUERY_NO_CONFLICT$a = $__default["default"].fn[NAME$a];
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  var CLASS_NAME_ALERT = 'alert';
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  var CLASS_NAME_FADE$5 = 'fade';
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  var CLASS_NAME_SHOW$7 = 'show';
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  var EVENT_CLOSE = "close" + EVENT_KEY$a;
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  var EVENT_CLOSED = "closed" + EVENT_KEY$a;
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  var EVENT_CLICK_DATA_API$6 = "click" + EVENT_KEY$a + DATA_API_KEY$7;
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  var SELECTOR_DISMISS = '[data-dismiss="alert"]';
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  /**
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   * Class definition
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   */
257

258
  var Alert = /*#__PURE__*/function () {
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    function Alert(element) {
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      this._element = element;
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    } // Getters
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    var _proto = Alert.prototype;
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    // Public
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    _proto.close = function close(element) {
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      var rootElement = this._element;
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      if (element) {
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        rootElement = this._getRootElement(element);
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      }
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      var customEvent = this._triggerCloseEvent(rootElement);
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276
      if (customEvent.isDefaultPrevented()) {
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        return;
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      }
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      this._removeElement(rootElement);
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    };
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    _proto.dispose = function dispose() {
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      $__default["default"].removeData(this._element, DATA_KEY$a);
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      this._element = null;
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    } // Private
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    ;
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    _proto._getRootElement = function _getRootElement(element) {
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      var selector = Util.getSelectorFromElement(element);
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      var parent = false;
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293
      if (selector) {
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        parent = document.querySelector(selector);
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      }
296

297
      if (!parent) {
298
        parent = $__default["default"](element).closest("." + CLASS_NAME_ALERT)[0];
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      }
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301
      return parent;
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    };
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304
    _proto._triggerCloseEvent = function _triggerCloseEvent(element) {
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      var closeEvent = $__default["default"].Event(EVENT_CLOSE);
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      $__default["default"](element).trigger(closeEvent);
307
      return closeEvent;
308
    };
309

310
    _proto._removeElement = function _removeElement(element) {
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      var _this = this;
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      $__default["default"](element).removeClass(CLASS_NAME_SHOW$7);
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315
      if (!$__default["default"](element).hasClass(CLASS_NAME_FADE$5)) {
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        this._destroyElement(element);
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318
        return;
319
      }
320

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      var transitionDuration = Util.getTransitionDurationFromElement(element);
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      $__default["default"](element).one(Util.TRANSITION_END, function (event) {
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        return _this._destroyElement(element, event);
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      }).emulateTransitionEnd(transitionDuration);
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    };
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327
    _proto._destroyElement = function _destroyElement(element) {
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      $__default["default"](element).detach().trigger(EVENT_CLOSED).remove();
329
    } // Static
330
    ;
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    Alert._jQueryInterface = function _jQueryInterface(config) {
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      return this.each(function () {
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        var $element = $__default["default"](this);
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        var data = $element.data(DATA_KEY$a);
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337
        if (!data) {
338
          data = new Alert(this);
339
          $element.data(DATA_KEY$a, data);
340
        }
341

342
        if (config === 'close') {
343
          data[config](this);
344
        }
345
      });
346
    };
347

348
    Alert._handleDismiss = function _handleDismiss(alertInstance) {
349
      return function (event) {
350
        if (event) {
351
          event.preventDefault();
352
        }
353

354
        alertInstance.close(this);
355
      };
356
    };
357

358
    _createClass(Alert, null, [{
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      key: "VERSION",
360
      get: function get() {
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        return VERSION$a;
362
      }
363
    }]);
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365
    return Alert;
366
  }();
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  /**
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   * Data API implementation
369
   */
370

371

372
  $__default["default"](document).on(EVENT_CLICK_DATA_API$6, SELECTOR_DISMISS, Alert._handleDismiss(new Alert()));
373
  /**
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   * jQuery
375
   */
376

377
  $__default["default"].fn[NAME$a] = Alert._jQueryInterface;
378
  $__default["default"].fn[NAME$a].Constructor = Alert;
379

380
  $__default["default"].fn[NAME$a].noConflict = function () {
381
    $__default["default"].fn[NAME$a] = JQUERY_NO_CONFLICT$a;
382
    return Alert._jQueryInterface;
383
  };
384

385
  /**
386
   * Constants
387
   */
388

389
  var NAME$9 = 'button';
390
  var VERSION$9 = '4.6.1';
391
  var DATA_KEY$9 = 'bs.button';
392
  var EVENT_KEY$9 = "." + DATA_KEY$9;
393
  var DATA_API_KEY$6 = '.data-api';
394
  var JQUERY_NO_CONFLICT$9 = $__default["default"].fn[NAME$9];
395
  var CLASS_NAME_ACTIVE$3 = 'active';
396
  var CLASS_NAME_BUTTON = 'btn';
397
  var CLASS_NAME_FOCUS = 'focus';
398
  var EVENT_CLICK_DATA_API$5 = "click" + EVENT_KEY$9 + DATA_API_KEY$6;
399
  var EVENT_FOCUS_BLUR_DATA_API = "focus" + EVENT_KEY$9 + DATA_API_KEY$6 + " " + ("blur" + EVENT_KEY$9 + DATA_API_KEY$6);
400
  var EVENT_LOAD_DATA_API$2 = "load" + EVENT_KEY$9 + DATA_API_KEY$6;
401
  var SELECTOR_DATA_TOGGLE_CARROT = '[data-toggle^="button"]';
402
  var SELECTOR_DATA_TOGGLES = '[data-toggle="buttons"]';
403
  var SELECTOR_DATA_TOGGLE$4 = '[data-toggle="button"]';
404
  var SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle="buttons"] .btn';
405
  var SELECTOR_INPUT = 'input:not([type="hidden"])';
406
  var SELECTOR_ACTIVE$2 = '.active';
407
  var SELECTOR_BUTTON = '.btn';
408
  /**
409
   * Class definition
410
   */
411

412
  var Button = /*#__PURE__*/function () {
413
    function Button(element) {
414
      this._element = element;
415
      this.shouldAvoidTriggerChange = false;
416
    } // Getters
417

418

419
    var _proto = Button.prototype;
420

421
    // Public
422
    _proto.toggle = function toggle() {
423
      var triggerChangeEvent = true;
424
      var addAriaPressed = true;
425
      var rootElement = $__default["default"](this._element).closest(SELECTOR_DATA_TOGGLES)[0];
426

427
      if (rootElement) {
428
        var input = this._element.querySelector(SELECTOR_INPUT);
429

430
        if (input) {
431
          if (input.type === 'radio') {
432
            if (input.checked && this._element.classList.contains(CLASS_NAME_ACTIVE$3)) {
433
              triggerChangeEvent = false;
434
            } else {
435
              var activeElement = rootElement.querySelector(SELECTOR_ACTIVE$2);
436

437
              if (activeElement) {
438
                $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE$3);
439
              }
440
            }
441
          }
442

443
          if (triggerChangeEvent) {
444
            // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input
445
            if (input.type === 'checkbox' || input.type === 'radio') {
446
              input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE$3);
447
            }
448

449
            if (!this.shouldAvoidTriggerChange) {
450
              $__default["default"](input).trigger('change');
451
            }
452
          }
453

454
          input.focus();
455
          addAriaPressed = false;
456
        }
457
      }
458

459
      if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {
460
        if (addAriaPressed) {
461
          this._element.setAttribute('aria-pressed', !this._element.classList.contains(CLASS_NAME_ACTIVE$3));
462
        }
463

464
        if (triggerChangeEvent) {
465
          $__default["default"](this._element).toggleClass(CLASS_NAME_ACTIVE$3);
466
        }
467
      }
468
    };
469

470
    _proto.dispose = function dispose() {
471
      $__default["default"].removeData(this._element, DATA_KEY$9);
472
      this._element = null;
473
    } // Static
474
    ;
475

476
    Button._jQueryInterface = function _jQueryInterface(config, avoidTriggerChange) {
477
      return this.each(function () {
478
        var $element = $__default["default"](this);
479
        var data = $element.data(DATA_KEY$9);
480

481
        if (!data) {
482
          data = new Button(this);
483
          $element.data(DATA_KEY$9, data);
484
        }
485

486
        data.shouldAvoidTriggerChange = avoidTriggerChange;
487

488
        if (config === 'toggle') {
489
          data[config]();
490
        }
491
      });
492
    };
493

494
    _createClass(Button, null, [{
495
      key: "VERSION",
496
      get: function get() {
497
        return VERSION$9;
498
      }
499
    }]);
500

501
    return Button;
502
  }();
503
  /**
504
   * Data API implementation
505
   */
506

507

508
  $__default["default"](document).on(EVENT_CLICK_DATA_API$5, SELECTOR_DATA_TOGGLE_CARROT, function (event) {
509
    var button = event.target;
510
    var initialButton = button;
511

512
    if (!$__default["default"](button).hasClass(CLASS_NAME_BUTTON)) {
513
      button = $__default["default"](button).closest(SELECTOR_BUTTON)[0];
514
    }
515

516
    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {
517
      event.preventDefault(); // work around Firefox bug #1540995
518
    } else {
519
      var inputBtn = button.querySelector(SELECTOR_INPUT);
520

521
      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {
522
        event.preventDefault(); // work around Firefox bug #1540995
523

524
        return;
525
      }
526

527
      if (initialButton.tagName === 'INPUT' || button.tagName !== 'LABEL') {
528
        Button._jQueryInterface.call($__default["default"](button), 'toggle', initialButton.tagName === 'INPUT');
529
      }
530
    }
531
  }).on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, function (event) {
532
    var button = $__default["default"](event.target).closest(SELECTOR_BUTTON)[0];
533
    $__default["default"](button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type));
534
  });
535
  $__default["default"](window).on(EVENT_LOAD_DATA_API$2, function () {
536
    // ensure correct active class is set to match the controls' actual values/states
537
    // find all checkboxes/readio buttons inside data-toggle groups
538
    var buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS));
539

540
    for (var i = 0, len = buttons.length; i < len; i++) {
541
      var button = buttons[i];
542
      var input = button.querySelector(SELECTOR_INPUT);
543

544
      if (input.checked || input.hasAttribute('checked')) {
545
        button.classList.add(CLASS_NAME_ACTIVE$3);
546
      } else {
547
        button.classList.remove(CLASS_NAME_ACTIVE$3);
548
      }
549
    } // find all button toggles
550

551

552
    buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE$4));
553

554
    for (var _i = 0, _len = buttons.length; _i < _len; _i++) {
555
      var _button = buttons[_i];
556

557
      if (_button.getAttribute('aria-pressed') === 'true') {
558
        _button.classList.add(CLASS_NAME_ACTIVE$3);
559
      } else {
560
        _button.classList.remove(CLASS_NAME_ACTIVE$3);
561
      }
562
    }
563
  });
564
  /**
565
   * jQuery
566
   */
567

568
  $__default["default"].fn[NAME$9] = Button._jQueryInterface;
569
  $__default["default"].fn[NAME$9].Constructor = Button;
570

571
  $__default["default"].fn[NAME$9].noConflict = function () {
572
    $__default["default"].fn[NAME$9] = JQUERY_NO_CONFLICT$9;
573
    return Button._jQueryInterface;
574
  };
575

576
  /**
577
   * Constants
578
   */
579

580
  var NAME$8 = 'carousel';
581
  var VERSION$8 = '4.6.1';
582
  var DATA_KEY$8 = 'bs.carousel';
583
  var EVENT_KEY$8 = "." + DATA_KEY$8;
584
  var DATA_API_KEY$5 = '.data-api';
585
  var JQUERY_NO_CONFLICT$8 = $__default["default"].fn[NAME$8];
586
  var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
587

588
  var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
589

590
  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
591

592
  var SWIPE_THRESHOLD = 40;
593
  var CLASS_NAME_CAROUSEL = 'carousel';
594
  var CLASS_NAME_ACTIVE$2 = 'active';
595
  var CLASS_NAME_SLIDE = 'slide';
596
  var CLASS_NAME_RIGHT = 'carousel-item-right';
597
  var CLASS_NAME_LEFT = 'carousel-item-left';
598
  var CLASS_NAME_NEXT = 'carousel-item-next';
599
  var CLASS_NAME_PREV = 'carousel-item-prev';
600
  var CLASS_NAME_POINTER_EVENT = 'pointer-event';
601
  var DIRECTION_NEXT = 'next';
602
  var DIRECTION_PREV = 'prev';
603
  var DIRECTION_LEFT = 'left';
604
  var DIRECTION_RIGHT = 'right';
605
  var EVENT_SLIDE = "slide" + EVENT_KEY$8;
606
  var EVENT_SLID = "slid" + EVENT_KEY$8;
607
  var EVENT_KEYDOWN = "keydown" + EVENT_KEY$8;
608
  var EVENT_MOUSEENTER = "mouseenter" + EVENT_KEY$8;
609
  var EVENT_MOUSELEAVE = "mouseleave" + EVENT_KEY$8;
610
  var EVENT_TOUCHSTART = "touchstart" + EVENT_KEY$8;
611
  var EVENT_TOUCHMOVE = "touchmove" + EVENT_KEY$8;
612
  var EVENT_TOUCHEND = "touchend" + EVENT_KEY$8;
613
  var EVENT_POINTERDOWN = "pointerdown" + EVENT_KEY$8;
614
  var EVENT_POINTERUP = "pointerup" + EVENT_KEY$8;
615
  var EVENT_DRAG_START = "dragstart" + EVENT_KEY$8;
616
  var EVENT_LOAD_DATA_API$1 = "load" + EVENT_KEY$8 + DATA_API_KEY$5;
617
  var EVENT_CLICK_DATA_API$4 = "click" + EVENT_KEY$8 + DATA_API_KEY$5;
618
  var SELECTOR_ACTIVE$1 = '.active';
619
  var SELECTOR_ACTIVE_ITEM = '.active.carousel-item';
620
  var SELECTOR_ITEM = '.carousel-item';
621
  var SELECTOR_ITEM_IMG = '.carousel-item img';
622
  var SELECTOR_NEXT_PREV = '.carousel-item-next, .carousel-item-prev';
623
  var SELECTOR_INDICATORS = '.carousel-indicators';
624
  var SELECTOR_DATA_SLIDE = '[data-slide], [data-slide-to]';
625
  var SELECTOR_DATA_RIDE = '[data-ride="carousel"]';
626
  var Default$7 = {
627
    interval: 5000,
628
    keyboard: true,
629
    slide: false,
630
    pause: 'hover',
631
    wrap: true,
632
    touch: true
633
  };
634
  var DefaultType$7 = {
635
    interval: '(number|boolean)',
636
    keyboard: 'boolean',
637
    slide: '(boolean|string)',
638
    pause: '(string|boolean)',
639
    wrap: 'boolean',
640
    touch: 'boolean'
641
  };
642
  var PointerType = {
643
    TOUCH: 'touch',
644
    PEN: 'pen'
645
  };
646
  /**
647
   * Class definition
648
   */
649

650
  var Carousel = /*#__PURE__*/function () {
651
    function Carousel(element, config) {
652
      this._items = null;
653
      this._interval = null;
654
      this._activeElement = null;
655
      this._isPaused = false;
656
      this._isSliding = false;
657
      this.touchTimeout = null;
658
      this.touchStartX = 0;
659
      this.touchDeltaX = 0;
660
      this._config = this._getConfig(config);
661
      this._element = element;
662
      this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS);
663
      this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
664
      this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent);
665

666
      this._addEventListeners();
667
    } // Getters
668

669

670
    var _proto = Carousel.prototype;
671

672
    // Public
673
    _proto.next = function next() {
674
      if (!this._isSliding) {
675
        this._slide(DIRECTION_NEXT);
676
      }
677
    };
678

679
    _proto.nextWhenVisible = function nextWhenVisible() {
680
      var $element = $__default["default"](this._element); // Don't call next when the page isn't visible
681
      // or the carousel or its parent isn't visible
682

683
      if (!document.hidden && $element.is(':visible') && $element.css('visibility') !== 'hidden') {
684
        this.next();
685
      }
686
    };
687

688
    _proto.prev = function prev() {
689
      if (!this._isSliding) {
690
        this._slide(DIRECTION_PREV);
691
      }
692
    };
693

694
    _proto.pause = function pause(event) {
695
      if (!event) {
696
        this._isPaused = true;
697
      }
698

699
      if (this._element.querySelector(SELECTOR_NEXT_PREV)) {
700
        Util.triggerTransitionEnd(this._element);
701
        this.cycle(true);
702
      }
703

704
      clearInterval(this._interval);
705
      this._interval = null;
706
    };
707

708
    _proto.cycle = function cycle(event) {
709
      if (!event) {
710
        this._isPaused = false;
711
      }
712

713
      if (this._interval) {
714
        clearInterval(this._interval);
715
        this._interval = null;
716
      }
717

718
      if (this._config.interval && !this._isPaused) {
719
        this._updateInterval();
720

721
        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
722
      }
723
    };
724

725
    _proto.to = function to(index) {
726
      var _this = this;
727

728
      this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM);
729

730
      var activeIndex = this._getItemIndex(this._activeElement);
731

732
      if (index > this._items.length - 1 || index < 0) {
733
        return;
734
      }
735

736
      if (this._isSliding) {
737
        $__default["default"](this._element).one(EVENT_SLID, function () {
738
          return _this.to(index);
739
        });
740
        return;
741
      }
742

743
      if (activeIndex === index) {
744
        this.pause();
745
        this.cycle();
746
        return;
747
      }
748

749
      var direction = index > activeIndex ? DIRECTION_NEXT : DIRECTION_PREV;
750

751
      this._slide(direction, this._items[index]);
752
    };
753

754
    _proto.dispose = function dispose() {
755
      $__default["default"](this._element).off(EVENT_KEY$8);
756
      $__default["default"].removeData(this._element, DATA_KEY$8);
757
      this._items = null;
758
      this._config = null;
759
      this._element = null;
760
      this._interval = null;
761
      this._isPaused = null;
762
      this._isSliding = null;
763
      this._activeElement = null;
764
      this._indicatorsElement = null;
765
    } // Private
766
    ;
767

768
    _proto._getConfig = function _getConfig(config) {
769
      config = _extends$1({}, Default$7, config);
770
      Util.typeCheckConfig(NAME$8, config, DefaultType$7);
771
      return config;
772
    };
773

774
    _proto._handleSwipe = function _handleSwipe() {
775
      var absDeltax = Math.abs(this.touchDeltaX);
776

777
      if (absDeltax <= SWIPE_THRESHOLD) {
778
        return;
779
      }
780

781
      var direction = absDeltax / this.touchDeltaX;
782
      this.touchDeltaX = 0; // swipe left
783

784
      if (direction > 0) {
785
        this.prev();
786
      } // swipe right
787

788

789
      if (direction < 0) {
790
        this.next();
791
      }
792
    };
793

794
    _proto._addEventListeners = function _addEventListeners() {
795
      var _this2 = this;
796

797
      if (this._config.keyboard) {
798
        $__default["default"](this._element).on(EVENT_KEYDOWN, function (event) {
799
          return _this2._keydown(event);
800
        });
801
      }
802

803
      if (this._config.pause === 'hover') {
804
        $__default["default"](this._element).on(EVENT_MOUSEENTER, function (event) {
805
          return _this2.pause(event);
806
        }).on(EVENT_MOUSELEAVE, function (event) {
807
          return _this2.cycle(event);
808
        });
809
      }
810

811
      if (this._config.touch) {
812
        this._addTouchEventListeners();
813
      }
814
    };
815

816
    _proto._addTouchEventListeners = function _addTouchEventListeners() {
817
      var _this3 = this;
818

819
      if (!this._touchSupported) {
820
        return;
821
      }
822

823
      var start = function start(event) {
824
        if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
825
          _this3.touchStartX = event.originalEvent.clientX;
826
        } else if (!_this3._pointerEvent) {
827
          _this3.touchStartX = event.originalEvent.touches[0].clientX;
828
        }
829
      };
830

831
      var move = function move(event) {
832
        // ensure swiping with one touch and not pinching
833
        _this3.touchDeltaX = event.originalEvent.touches && event.originalEvent.touches.length > 1 ? 0 : event.originalEvent.touches[0].clientX - _this3.touchStartX;
834
      };
835

836
      var end = function end(event) {
837
        if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
838
          _this3.touchDeltaX = event.originalEvent.clientX - _this3.touchStartX;
839
        }
840

841
        _this3._handleSwipe();
842

843
        if (_this3._config.pause === 'hover') {
844
          // If it's a touch-enabled device, mouseenter/leave are fired as
845
          // part of the mouse compatibility events on first tap - the carousel
846
          // would stop cycling until user tapped out of it;
847
          // here, we listen for touchend, explicitly pause the carousel
848
          // (as if it's the second time we tap on it, mouseenter compat event
849
          // is NOT fired) and after a timeout (to allow for mouse compatibility
850
          // events to fire) we explicitly restart cycling
851
          _this3.pause();
852

853
          if (_this3.touchTimeout) {
854
            clearTimeout(_this3.touchTimeout);
855
          }
856

857
          _this3.touchTimeout = setTimeout(function (event) {
858
            return _this3.cycle(event);
859
          }, TOUCHEVENT_COMPAT_WAIT + _this3._config.interval);
860
        }
861
      };
862

863
      $__default["default"](this._element.querySelectorAll(SELECTOR_ITEM_IMG)).on(EVENT_DRAG_START, function (e) {
864
        return e.preventDefault();
865
      });
866

867
      if (this._pointerEvent) {
868
        $__default["default"](this._element).on(EVENT_POINTERDOWN, function (event) {
869
          return start(event);
870
        });
871
        $__default["default"](this._element).on(EVENT_POINTERUP, function (event) {
872
          return end(event);
873
        });
874

875
        this._element.classList.add(CLASS_NAME_POINTER_EVENT);
876
      } else {
877
        $__default["default"](this._element).on(EVENT_TOUCHSTART, function (event) {
878
          return start(event);
879
        });
880
        $__default["default"](this._element).on(EVENT_TOUCHMOVE, function (event) {
881
          return move(event);
882
        });
883
        $__default["default"](this._element).on(EVENT_TOUCHEND, function (event) {
884
          return end(event);
885
        });
886
      }
887
    };
888

889
    _proto._keydown = function _keydown(event) {
890
      if (/input|textarea/i.test(event.target.tagName)) {
891
        return;
892
      }
893

894
      switch (event.which) {
895
        case ARROW_LEFT_KEYCODE:
896
          event.preventDefault();
897
          this.prev();
898
          break;
899

900
        case ARROW_RIGHT_KEYCODE:
901
          event.preventDefault();
902
          this.next();
903
          break;
904
      }
905
    };
906

907
    _proto._getItemIndex = function _getItemIndex(element) {
908
      this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM)) : [];
909
      return this._items.indexOf(element);
910
    };
911

912
    _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
913
      var isNextDirection = direction === DIRECTION_NEXT;
914
      var isPrevDirection = direction === DIRECTION_PREV;
915

916
      var activeIndex = this._getItemIndex(activeElement);
917

918
      var lastItemIndex = this._items.length - 1;
919
      var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
920

921
      if (isGoingToWrap && !this._config.wrap) {
922
        return activeElement;
923
      }
924

925
      var delta = direction === DIRECTION_PREV ? -1 : 1;
926
      var itemIndex = (activeIndex + delta) % this._items.length;
927
      return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
928
    };
929

930
    _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
931
      var targetIndex = this._getItemIndex(relatedTarget);
932

933
      var fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM));
934

935
      var slideEvent = $__default["default"].Event(EVENT_SLIDE, {
936
        relatedTarget: relatedTarget,
937
        direction: eventDirectionName,
938
        from: fromIndex,
939
        to: targetIndex
940
      });
941
      $__default["default"](this._element).trigger(slideEvent);
942
      return slideEvent;
943
    };
944

945
    _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
946
      if (this._indicatorsElement) {
947
        var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE$1));
948
        $__default["default"](indicators).removeClass(CLASS_NAME_ACTIVE$2);
949

950
        var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
951

952
        if (nextIndicator) {
953
          $__default["default"](nextIndicator).addClass(CLASS_NAME_ACTIVE$2);
954
        }
955
      }
956
    };
957

958
    _proto._updateInterval = function _updateInterval() {
959
      var element = this._activeElement || this._element.querySelector(SELECTOR_ACTIVE_ITEM);
960

961
      if (!element) {
962
        return;
963
      }
964

965
      var elementInterval = parseInt(element.getAttribute('data-interval'), 10);
966

967
      if (elementInterval) {
968
        this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
969
        this._config.interval = elementInterval;
970
      } else {
971
        this._config.interval = this._config.defaultInterval || this._config.interval;
972
      }
973
    };
974

975
    _proto._slide = function _slide(direction, element) {
976
      var _this4 = this;
977

978
      var activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM);
979

980
      var activeElementIndex = this._getItemIndex(activeElement);
981

982
      var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
983

984
      var nextElementIndex = this._getItemIndex(nextElement);
985

986
      var isCycling = Boolean(this._interval);
987
      var directionalClassName;
988
      var orderClassName;
989
      var eventDirectionName;
990

991
      if (direction === DIRECTION_NEXT) {
992
        directionalClassName = CLASS_NAME_LEFT;
993
        orderClassName = CLASS_NAME_NEXT;
994
        eventDirectionName = DIRECTION_LEFT;
995
      } else {
996
        directionalClassName = CLASS_NAME_RIGHT;
997
        orderClassName = CLASS_NAME_PREV;
998
        eventDirectionName = DIRECTION_RIGHT;
999
      }
1000

1001
      if (nextElement && $__default["default"](nextElement).hasClass(CLASS_NAME_ACTIVE$2)) {
1002
        this._isSliding = false;
1003
        return;
1004
      }
1005

1006
      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
1007

1008
      if (slideEvent.isDefaultPrevented()) {
1009
        return;
1010
      }
1011

1012
      if (!activeElement || !nextElement) {
1013
        // Some weirdness is happening, so we bail
1014
        return;
1015
      }
1016

1017
      this._isSliding = true;
1018

1019
      if (isCycling) {
1020
        this.pause();
1021
      }
1022

1023
      this._setActiveIndicatorElement(nextElement);
1024

1025
      this._activeElement = nextElement;
1026
      var slidEvent = $__default["default"].Event(EVENT_SLID, {
1027
        relatedTarget: nextElement,
1028
        direction: eventDirectionName,
1029
        from: activeElementIndex,
1030
        to: nextElementIndex
1031
      });
1032

1033
      if ($__default["default"](this._element).hasClass(CLASS_NAME_SLIDE)) {
1034
        $__default["default"](nextElement).addClass(orderClassName);
1035
        Util.reflow(nextElement);
1036
        $__default["default"](activeElement).addClass(directionalClassName);
1037
        $__default["default"](nextElement).addClass(directionalClassName);
1038
        var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
1039
        $__default["default"](activeElement).one(Util.TRANSITION_END, function () {
1040
          $__default["default"](nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(CLASS_NAME_ACTIVE$2);
1041
          $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE$2 + " " + orderClassName + " " + directionalClassName);
1042
          _this4._isSliding = false;
1043
          setTimeout(function () {
1044
            return $__default["default"](_this4._element).trigger(slidEvent);
1045
          }, 0);
1046
        }).emulateTransitionEnd(transitionDuration);
1047
      } else {
1048
        $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE$2);
1049
        $__default["default"](nextElement).addClass(CLASS_NAME_ACTIVE$2);
1050
        this._isSliding = false;
1051
        $__default["default"](this._element).trigger(slidEvent);
1052
      }
1053

1054
      if (isCycling) {
1055
        this.cycle();
1056
      }
1057
    } // Static
1058
    ;
1059

1060
    Carousel._jQueryInterface = function _jQueryInterface(config) {
1061
      return this.each(function () {
1062
        var data = $__default["default"](this).data(DATA_KEY$8);
1063

1064
        var _config = _extends$1({}, Default$7, $__default["default"](this).data());
1065

1066
        if (typeof config === 'object') {
1067
          _config = _extends$1({}, _config, config);
1068
        }
1069

1070
        var action = typeof config === 'string' ? config : _config.slide;
1071

1072
        if (!data) {
1073
          data = new Carousel(this, _config);
1074
          $__default["default"](this).data(DATA_KEY$8, data);
1075
        }
1076

1077
        if (typeof config === 'number') {
1078
          data.to(config);
1079
        } else if (typeof action === 'string') {
1080
          if (typeof data[action] === 'undefined') {
1081
            throw new TypeError("No method named \"" + action + "\"");
1082
          }
1083

1084
          data[action]();
1085
        } else if (_config.interval && _config.ride) {
1086
          data.pause();
1087
          data.cycle();
1088
        }
1089
      });
1090
    };
1091

1092
    Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
1093
      var selector = Util.getSelectorFromElement(this);
1094

1095
      if (!selector) {
1096
        return;
1097
      }
1098

1099
      var target = $__default["default"](selector)[0];
1100

1101
      if (!target || !$__default["default"](target).hasClass(CLASS_NAME_CAROUSEL)) {
1102
        return;
1103
      }
1104

1105
      var config = _extends$1({}, $__default["default"](target).data(), $__default["default"](this).data());
1106

1107
      var slideIndex = this.getAttribute('data-slide-to');
1108

1109
      if (slideIndex) {
1110
        config.interval = false;
1111
      }
1112

1113
      Carousel._jQueryInterface.call($__default["default"](target), config);
1114

1115
      if (slideIndex) {
1116
        $__default["default"](target).data(DATA_KEY$8).to(slideIndex);
1117
      }
1118

1119
      event.preventDefault();
1120
    };
1121

1122
    _createClass(Carousel, null, [{
1123
      key: "VERSION",
1124
      get: function get() {
1125
        return VERSION$8;
1126
      }
1127
    }, {
1128
      key: "Default",
1129
      get: function get() {
1130
        return Default$7;
1131
      }
1132
    }]);
1133

1134
    return Carousel;
1135
  }();
1136
  /**
1137
   * Data API implementation
1138
   */
1139

1140

1141
  $__default["default"](document).on(EVENT_CLICK_DATA_API$4, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler);
1142
  $__default["default"](window).on(EVENT_LOAD_DATA_API$1, function () {
1143
    var carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE));
1144

1145
    for (var i = 0, len = carousels.length; i < len; i++) {
1146
      var $carousel = $__default["default"](carousels[i]);
1147

1148
      Carousel._jQueryInterface.call($carousel, $carousel.data());
1149
    }
1150
  });
1151
  /**
1152
   * jQuery
1153
   */
1154

1155
  $__default["default"].fn[NAME$8] = Carousel._jQueryInterface;
1156
  $__default["default"].fn[NAME$8].Constructor = Carousel;
1157

1158
  $__default["default"].fn[NAME$8].noConflict = function () {
1159
    $__default["default"].fn[NAME$8] = JQUERY_NO_CONFLICT$8;
1160
    return Carousel._jQueryInterface;
1161
  };
1162

1163
  /**
1164
   * Constants
1165
   */
1166

1167
  var NAME$7 = 'collapse';
1168
  var VERSION$7 = '4.6.1';
1169
  var DATA_KEY$7 = 'bs.collapse';
1170
  var EVENT_KEY$7 = "." + DATA_KEY$7;
1171
  var DATA_API_KEY$4 = '.data-api';
1172
  var JQUERY_NO_CONFLICT$7 = $__default["default"].fn[NAME$7];
1173
  var CLASS_NAME_SHOW$6 = 'show';
1174
  var CLASS_NAME_COLLAPSE = 'collapse';
1175
  var CLASS_NAME_COLLAPSING = 'collapsing';
1176
  var CLASS_NAME_COLLAPSED = 'collapsed';
1177
  var DIMENSION_WIDTH = 'width';
1178
  var DIMENSION_HEIGHT = 'height';
1179
  var EVENT_SHOW$4 = "show" + EVENT_KEY$7;
1180
  var EVENT_SHOWN$4 = "shown" + EVENT_KEY$7;
1181
  var EVENT_HIDE$4 = "hide" + EVENT_KEY$7;
1182
  var EVENT_HIDDEN$4 = "hidden" + EVENT_KEY$7;
1183
  var EVENT_CLICK_DATA_API$3 = "click" + EVENT_KEY$7 + DATA_API_KEY$4;
1184
  var SELECTOR_ACTIVES = '.show, .collapsing';
1185
  var SELECTOR_DATA_TOGGLE$3 = '[data-toggle="collapse"]';
1186
  var Default$6 = {
1187
    toggle: true,
1188
    parent: ''
1189
  };
1190
  var DefaultType$6 = {
1191
    toggle: 'boolean',
1192
    parent: '(string|element)'
1193
  };
1194
  /**
1195
   * Class definition
1196
   */
1197

1198
  var Collapse = /*#__PURE__*/function () {
1199
    function Collapse(element, config) {
1200
      this._isTransitioning = false;
1201
      this._element = element;
1202
      this._config = this._getConfig(config);
1203
      this._triggerArray = [].slice.call(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
1204
      var toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE$3));
1205

1206
      for (var i = 0, len = toggleList.length; i < len; i++) {
1207
        var elem = toggleList[i];
1208
        var selector = Util.getSelectorFromElement(elem);
1209
        var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) {
1210
          return foundElem === element;
1211
        });
1212

1213
        if (selector !== null && filterElement.length > 0) {
1214
          this._selector = selector;
1215

1216
          this._triggerArray.push(elem);
1217
        }
1218
      }
1219

1220
      this._parent = this._config.parent ? this._getParent() : null;
1221

1222
      if (!this._config.parent) {
1223
        this._addAriaAndCollapsedClass(this._element, this._triggerArray);
1224
      }
1225

1226
      if (this._config.toggle) {
1227
        this.toggle();
1228
      }
1229
    } // Getters
1230

1231

1232
    var _proto = Collapse.prototype;
1233

1234
    // Public
1235
    _proto.toggle = function toggle() {
1236
      if ($__default["default"](this._element).hasClass(CLASS_NAME_SHOW$6)) {
1237
        this.hide();
1238
      } else {
1239
        this.show();
1240
      }
1241
    };
1242

1243
    _proto.show = function show() {
1244
      var _this = this;
1245

1246
      if (this._isTransitioning || $__default["default"](this._element).hasClass(CLASS_NAME_SHOW$6)) {
1247
        return;
1248
      }
1249

1250
      var actives;
1251
      var activesData;
1252

1253
      if (this._parent) {
1254
        actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES)).filter(function (elem) {
1255
          if (typeof _this._config.parent === 'string') {
1256
            return elem.getAttribute('data-parent') === _this._config.parent;
1257
          }
1258

1259
          return elem.classList.contains(CLASS_NAME_COLLAPSE);
1260
        });
1261

1262
        if (actives.length === 0) {
1263
          actives = null;
1264
        }
1265
      }
1266

1267
      if (actives) {
1268
        activesData = $__default["default"](actives).not(this._selector).data(DATA_KEY$7);
1269

1270
        if (activesData && activesData._isTransitioning) {
1271
          return;
1272
        }
1273
      }
1274

1275
      var startEvent = $__default["default"].Event(EVENT_SHOW$4);
1276
      $__default["default"](this._element).trigger(startEvent);
1277

1278
      if (startEvent.isDefaultPrevented()) {
1279
        return;
1280
      }
1281

1282
      if (actives) {
1283
        Collapse._jQueryInterface.call($__default["default"](actives).not(this._selector), 'hide');
1284

1285
        if (!activesData) {
1286
          $__default["default"](actives).data(DATA_KEY$7, null);
1287
        }
1288
      }
1289

1290
      var dimension = this._getDimension();
1291

1292
      $__default["default"](this._element).removeClass(CLASS_NAME_COLLAPSE).addClass(CLASS_NAME_COLLAPSING);
1293
      this._element.style[dimension] = 0;
1294

1295
      if (this._triggerArray.length) {
1296
        $__default["default"](this._triggerArray).removeClass(CLASS_NAME_COLLAPSED).attr('aria-expanded', true);
1297
      }
1298

1299
      this.setTransitioning(true);
1300

1301
      var complete = function complete() {
1302
        $__default["default"](_this._element).removeClass(CLASS_NAME_COLLAPSING).addClass(CLASS_NAME_COLLAPSE + " " + CLASS_NAME_SHOW$6);
1303
        _this._element.style[dimension] = '';
1304

1305
        _this.setTransitioning(false);
1306

1307
        $__default["default"](_this._element).trigger(EVENT_SHOWN$4);
1308
      };
1309

1310
      var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
1311
      var scrollSize = "scroll" + capitalizedDimension;
1312
      var transitionDuration = Util.getTransitionDurationFromElement(this._element);
1313
      $__default["default"](this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
1314
      this._element.style[dimension] = this._element[scrollSize] + "px";
1315
    };
1316

1317
    _proto.hide = function hide() {
1318
      var _this2 = this;
1319

1320
      if (this._isTransitioning || !$__default["default"](this._element).hasClass(CLASS_NAME_SHOW$6)) {
1321
        return;
1322
      }
1323

1324
      var startEvent = $__default["default"].Event(EVENT_HIDE$4);
1325
      $__default["default"](this._element).trigger(startEvent);
1326

1327
      if (startEvent.isDefaultPrevented()) {
1328
        return;
1329
      }
1330

1331
      var dimension = this._getDimension();
1332

1333
      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
1334
      Util.reflow(this._element);
1335
      $__default["default"](this._element).addClass(CLASS_NAME_COLLAPSING).removeClass(CLASS_NAME_COLLAPSE + " " + CLASS_NAME_SHOW$6);
1336
      var triggerArrayLength = this._triggerArray.length;
1337

1338
      if (triggerArrayLength > 0) {
1339
        for (var i = 0; i < triggerArrayLength; i++) {
1340
          var trigger = this._triggerArray[i];
1341
          var selector = Util.getSelectorFromElement(trigger);
1342

1343
          if (selector !== null) {
1344
            var $elem = $__default["default"]([].slice.call(document.querySelectorAll(selector)));
1345

1346
            if (!$elem.hasClass(CLASS_NAME_SHOW$6)) {
1347
              $__default["default"](trigger).addClass(CLASS_NAME_COLLAPSED).attr('aria-expanded', false);
1348
            }
1349
          }
1350
        }
1351
      }
1352

1353
      this.setTransitioning(true);
1354

1355
      var complete = function complete() {
1356
        _this2.setTransitioning(false);
1357

1358
        $__default["default"](_this2._element).removeClass(CLASS_NAME_COLLAPSING).addClass(CLASS_NAME_COLLAPSE).trigger(EVENT_HIDDEN$4);
1359
      };
1360

1361
      this._element.style[dimension] = '';
1362
      var transitionDuration = Util.getTransitionDurationFromElement(this._element);
1363
      $__default["default"](this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
1364
    };
1365

1366
    _proto.setTransitioning = function setTransitioning(isTransitioning) {
1367
      this._isTransitioning = isTransitioning;
1368
    };
1369

1370
    _proto.dispose = function dispose() {
1371
      $__default["default"].removeData(this._element, DATA_KEY$7);
1372
      this._config = null;
1373
      this._parent = null;
1374
      this._element = null;
1375
      this._triggerArray = null;
1376
      this._isTransitioning = null;
1377
    } // Private
1378
    ;
1379

1380
    _proto._getConfig = function _getConfig(config) {
1381
      config = _extends$1({}, Default$6, config);
1382
      config.toggle = Boolean(config.toggle); // Coerce string values
1383

1384
      Util.typeCheckConfig(NAME$7, config, DefaultType$6);
1385
      return config;
1386
    };
1387

1388
    _proto._getDimension = function _getDimension() {
1389
      var hasWidth = $__default["default"](this._element).hasClass(DIMENSION_WIDTH);
1390
      return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT;
1391
    };
1392

1393
    _proto._getParent = function _getParent() {
1394
      var _this3 = this;
1395

1396
      var parent;
1397

1398
      if (Util.isElement(this._config.parent)) {
1399
        parent = this._config.parent; // It's a jQuery object
1400

1401
        if (typeof this._config.parent.jquery !== 'undefined') {
1402
          parent = this._config.parent[0];
1403
        }
1404
      } else {
1405
        parent = document.querySelector(this._config.parent);
1406
      }
1407

1408
      var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
1409
      var children = [].slice.call(parent.querySelectorAll(selector));
1410
      $__default["default"](children).each(function (i, element) {
1411
        _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
1412
      });
1413
      return parent;
1414
    };
1415

1416
    _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
1417
      var isOpen = $__default["default"](element).hasClass(CLASS_NAME_SHOW$6);
1418

1419
      if (triggerArray.length) {
1420
        $__default["default"](triggerArray).toggleClass(CLASS_NAME_COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
1421
      }
1422
    } // Static
1423
    ;
1424

1425
    Collapse._getTargetFromElement = function _getTargetFromElement(element) {
1426
      var selector = Util.getSelectorFromElement(element);
1427
      return selector ? document.querySelector(selector) : null;
1428
    };
1429

1430
    Collapse._jQueryInterface = function _jQueryInterface(config) {
1431
      return this.each(function () {
1432
        var $element = $__default["default"](this);
1433
        var data = $element.data(DATA_KEY$7);
1434

1435
        var _config = _extends$1({}, Default$6, $element.data(), typeof config === 'object' && config ? config : {});
1436

1437
        if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
1438
          _config.toggle = false;
1439
        }
1440

1441
        if (!data) {
1442
          data = new Collapse(this, _config);
1443
          $element.data(DATA_KEY$7, data);
1444
        }
1445

1446
        if (typeof config === 'string') {
1447
          if (typeof data[config] === 'undefined') {
1448
            throw new TypeError("No method named \"" + config + "\"");
1449
          }
1450

1451
          data[config]();
1452
        }
1453
      });
1454
    };
1455

1456
    _createClass(Collapse, null, [{
1457
      key: "VERSION",
1458
      get: function get() {
1459
        return VERSION$7;
1460
      }
1461
    }, {
1462
      key: "Default",
1463
      get: function get() {
1464
        return Default$6;
1465
      }
1466
    }]);
1467

1468
    return Collapse;
1469
  }();
1470
  /**
1471
   * Data API implementation
1472
   */
1473

1474

1475
  $__default["default"](document).on(EVENT_CLICK_DATA_API$3, SELECTOR_DATA_TOGGLE$3, function (event) {
1476
    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
1477
    if (event.currentTarget.tagName === 'A') {
1478
      event.preventDefault();
1479
    }
1480

1481
    var $trigger = $__default["default"](this);
1482
    var selector = Util.getSelectorFromElement(this);
1483
    var selectors = [].slice.call(document.querySelectorAll(selector));
1484
    $__default["default"](selectors).each(function () {
1485
      var $target = $__default["default"](this);
1486
      var data = $target.data(DATA_KEY$7);
1487
      var config = data ? 'toggle' : $trigger.data();
1488

1489
      Collapse._jQueryInterface.call($target, config);
1490
    });
1491
  });
1492
  /**
1493
   * jQuery
1494
   */
1495

1496
  $__default["default"].fn[NAME$7] = Collapse._jQueryInterface;
1497
  $__default["default"].fn[NAME$7].Constructor = Collapse;
1498

1499
  $__default["default"].fn[NAME$7].noConflict = function () {
1500
    $__default["default"].fn[NAME$7] = JQUERY_NO_CONFLICT$7;
1501
    return Collapse._jQueryInterface;
1502
  };
1503

1504
  /**!
1505
   * @fileOverview Kickass library to create and place poppers near their reference elements.
1506
   * @version 1.16.1
1507
   * @license
1508
   * Copyright (c) 2016 Federico Zivolo and contributors
1509
   *
1510
   * Permission is hereby granted, free of charge, to any person obtaining a copy
1511
   * of this software and associated documentation files (the "Software"), to deal
1512
   * in the Software without restriction, including without limitation the rights
1513
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
1514
   * copies of the Software, and to permit persons to whom the Software is
1515
   * furnished to do so, subject to the following conditions:
1516
   *
1517
   * The above copyright notice and this permission notice shall be included in all
1518
   * copies or substantial portions of the Software.
1519
   *
1520
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1521
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1522
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
1523
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
1524
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
1525
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
1526
   * SOFTWARE.
1527
   */
1528
  var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && typeof navigator !== 'undefined';
1529

1530
  var timeoutDuration = function () {
1531
    var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
1532
    for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
1533
      if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
1534
        return 1;
1535
      }
1536
    }
1537
    return 0;
1538
  }();
1539

1540
  function microtaskDebounce(fn) {
1541
    var called = false;
1542
    return function () {
1543
      if (called) {
1544
        return;
1545
      }
1546
      called = true;
1547
      window.Promise.resolve().then(function () {
1548
        called = false;
1549
        fn();
1550
      });
1551
    };
1552
  }
1553

1554
  function taskDebounce(fn) {
1555
    var scheduled = false;
1556
    return function () {
1557
      if (!scheduled) {
1558
        scheduled = true;
1559
        setTimeout(function () {
1560
          scheduled = false;
1561
          fn();
1562
        }, timeoutDuration);
1563
      }
1564
    };
1565
  }
1566

1567
  var supportsMicroTasks = isBrowser && window.Promise;
1568

1569
  /**
1570
  * Create a debounced version of a method, that's asynchronously deferred
1571
  * but called in the minimum time possible.
1572
  *
1573
  * @method
1574
  * @memberof Popper.Utils
1575
  * @argument {Function} fn
1576
  * @returns {Function}
1577
  */
1578
  var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;
1579

1580
  /**
1581
   * Check if the given variable is a function
1582
   * @method
1583
   * @memberof Popper.Utils
1584
   * @argument {Any} functionToCheck - variable to check
1585
   * @returns {Boolean} answer to: is a function?
1586
   */
1587
  function isFunction(functionToCheck) {
1588
    var getType = {};
1589
    return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
1590
  }
1591

1592
  /**
1593
   * Get CSS computed property of the given element
1594
   * @method
1595
   * @memberof Popper.Utils
1596
   * @argument {Eement} element
1597
   * @argument {String} property
1598
   */
1599
  function getStyleComputedProperty(element, property) {
1600
    if (element.nodeType !== 1) {
1601
      return [];
1602
    }
1603
    // NOTE: 1 DOM access here
1604
    var window = element.ownerDocument.defaultView;
1605
    var css = window.getComputedStyle(element, null);
1606
    return property ? css[property] : css;
1607
  }
1608

1609
  /**
1610
   * Returns the parentNode or the host of the element
1611
   * @method
1612
   * @memberof Popper.Utils
1613
   * @argument {Element} element
1614
   * @returns {Element} parent
1615
   */
1616
  function getParentNode(element) {
1617
    if (element.nodeName === 'HTML') {
1618
      return element;
1619
    }
1620
    return element.parentNode || element.host;
1621
  }
1622

1623
  /**
1624
   * Returns the scrolling parent of the given element
1625
   * @method
1626
   * @memberof Popper.Utils
1627
   * @argument {Element} element
1628
   * @returns {Element} scroll parent
1629
   */
1630
  function getScrollParent(element) {
1631
    // Return body, `getScroll` will take care to get the correct `scrollTop` from it
1632
    if (!element) {
1633
      return document.body;
1634
    }
1635

1636
    switch (element.nodeName) {
1637
      case 'HTML':
1638
      case 'BODY':
1639
        return element.ownerDocument.body;
1640
      case '#document':
1641
        return element.body;
1642
    }
1643

1644
    // Firefox want us to check `-x` and `-y` variations as well
1645

1646
    var _getStyleComputedProp = getStyleComputedProperty(element),
1647
        overflow = _getStyleComputedProp.overflow,
1648
        overflowX = _getStyleComputedProp.overflowX,
1649
        overflowY = _getStyleComputedProp.overflowY;
1650

1651
    if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
1652
      return element;
1653
    }
1654

1655
    return getScrollParent(getParentNode(element));
1656
  }
1657

1658
  /**
1659
   * Returns the reference node of the reference object, or the reference object itself.
1660
   * @method
1661
   * @memberof Popper.Utils
1662
   * @param {Element|Object} reference - the reference element (the popper will be relative to this)
1663
   * @returns {Element} parent
1664
   */
1665
  function getReferenceNode(reference) {
1666
    return reference && reference.referenceNode ? reference.referenceNode : reference;
1667
  }
1668

1669
  var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
1670
  var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);
1671

1672
  /**
1673
   * Determines if the browser is Internet Explorer
1674
   * @method
1675
   * @memberof Popper.Utils
1676
   * @param {Number} version to check
1677
   * @returns {Boolean} isIE
1678
   */
1679
  function isIE(version) {
1680
    if (version === 11) {
1681
      return isIE11;
1682
    }
1683
    if (version === 10) {
1684
      return isIE10;
1685
    }
1686
    return isIE11 || isIE10;
1687
  }
1688

1689
  /**
1690
   * Returns the offset parent of the given element
1691
   * @method
1692
   * @memberof Popper.Utils
1693
   * @argument {Element} element
1694
   * @returns {Element} offset parent
1695
   */
1696
  function getOffsetParent(element) {
1697
    if (!element) {
1698
      return document.documentElement;
1699
    }
1700

1701
    var noOffsetParent = isIE(10) ? document.body : null;
1702

1703
    // NOTE: 1 DOM access here
1704
    var offsetParent = element.offsetParent || null;
1705
    // Skip hidden elements which don't have an offsetParent
1706
    while (offsetParent === noOffsetParent && element.nextElementSibling) {
1707
      offsetParent = (element = element.nextElementSibling).offsetParent;
1708
    }
1709

1710
    var nodeName = offsetParent && offsetParent.nodeName;
1711

1712
    if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
1713
      return element ? element.ownerDocument.documentElement : document.documentElement;
1714
    }
1715

1716
    // .offsetParent will return the closest TH, TD or TABLE in case
1717
    // no offsetParent is present, I hate this job...
1718
    if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
1719
      return getOffsetParent(offsetParent);
1720
    }
1721

1722
    return offsetParent;
1723
  }
1724

1725
  function isOffsetContainer(element) {
1726
    var nodeName = element.nodeName;
1727

1728
    if (nodeName === 'BODY') {
1729
      return false;
1730
    }
1731
    return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
1732
  }
1733

1734
  /**
1735
   * Finds the root node (document, shadowDOM root) of the given element
1736
   * @method
1737
   * @memberof Popper.Utils
1738
   * @argument {Element} node
1739
   * @returns {Element} root node
1740
   */
1741
  function getRoot(node) {
1742
    if (node.parentNode !== null) {
1743
      return getRoot(node.parentNode);
1744
    }
1745

1746
    return node;
1747
  }
1748

1749
  /**
1750
   * Finds the offset parent common to the two provided nodes
1751
   * @method
1752
   * @memberof Popper.Utils
1753
   * @argument {Element} element1
1754
   * @argument {Element} element2
1755
   * @returns {Element} common offset parent
1756
   */
1757
  function findCommonOffsetParent(element1, element2) {
1758
    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
1759
    if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
1760
      return document.documentElement;
1761
    }
1762

1763
    // Here we make sure to give as "start" the element that comes first in the DOM
1764
    var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
1765
    var start = order ? element1 : element2;
1766
    var end = order ? element2 : element1;
1767

1768
    // Get common ancestor container
1769
    var range = document.createRange();
1770
    range.setStart(start, 0);
1771
    range.setEnd(end, 0);
1772
    var commonAncestorContainer = range.commonAncestorContainer;
1773

1774
    // Both nodes are inside #document
1775

1776
    if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
1777
      if (isOffsetContainer(commonAncestorContainer)) {
1778
        return commonAncestorContainer;
1779
      }
1780

1781
      return getOffsetParent(commonAncestorContainer);
1782
    }
1783

1784
    // one of the nodes is inside shadowDOM, find which one
1785
    var element1root = getRoot(element1);
1786
    if (element1root.host) {
1787
      return findCommonOffsetParent(element1root.host, element2);
1788
    } else {
1789
      return findCommonOffsetParent(element1, getRoot(element2).host);
1790
    }
1791
  }
1792

1793
  /**
1794
   * Gets the scroll value of the given element in the given side (top and left)
1795
   * @method
1796
   * @memberof Popper.Utils
1797
   * @argument {Element} element
1798
   * @argument {String} side `top` or `left`
1799
   * @returns {number} amount of scrolled pixels
1800
   */
1801
  function getScroll(element) {
1802
    var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';
1803

1804
    var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
1805
    var nodeName = element.nodeName;
1806

1807
    if (nodeName === 'BODY' || nodeName === 'HTML') {
1808
      var html = element.ownerDocument.documentElement;
1809
      var scrollingElement = element.ownerDocument.scrollingElement || html;
1810
      return scrollingElement[upperSide];
1811
    }
1812

1813
    return element[upperSide];
1814
  }
1815

1816
  /*
1817
   * Sum or subtract the element scroll values (left and top) from a given rect object
1818
   * @method
1819
   * @memberof Popper.Utils
1820
   * @param {Object} rect - Rect object you want to change
1821
   * @param {HTMLElement} element - The element from the function reads the scroll values
1822
   * @param {Boolean} subtract - set to true if you want to subtract the scroll values
1823
   * @return {Object} rect - The modifier rect object
1824
   */
1825
  function includeScroll(rect, element) {
1826
    var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
1827

1828
    var scrollTop = getScroll(element, 'top');
1829
    var scrollLeft = getScroll(element, 'left');
1830
    var modifier = subtract ? -1 : 1;
1831
    rect.top += scrollTop * modifier;
1832
    rect.bottom += scrollTop * modifier;
1833
    rect.left += scrollLeft * modifier;
1834
    rect.right += scrollLeft * modifier;
1835
    return rect;
1836
  }
1837

1838
  /*
1839
   * Helper to detect borders of a given element
1840
   * @method
1841
   * @memberof Popper.Utils
1842
   * @param {CSSStyleDeclaration} styles
1843
   * Result of `getStyleComputedProperty` on the given element
1844
   * @param {String} axis - `x` or `y`
1845
   * @return {number} borders - The borders size of the given axis
1846
   */
1847

1848
  function getBordersSize(styles, axis) {
1849
    var sideA = axis === 'x' ? 'Left' : 'Top';
1850
    var sideB = sideA === 'Left' ? 'Right' : 'Bottom';
1851

1852
    return parseFloat(styles['border' + sideA + 'Width']) + parseFloat(styles['border' + sideB + 'Width']);
1853
  }
1854

1855
  function getSize(axis, body, html, computedStyle) {
1856
    return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0);
1857
  }
1858

1859
  function getWindowSizes(document) {
1860
    var body = document.body;
1861
    var html = document.documentElement;
1862
    var computedStyle = isIE(10) && getComputedStyle(html);
1863

1864
    return {
1865
      height: getSize('Height', body, html, computedStyle),
1866
      width: getSize('Width', body, html, computedStyle)
1867
    };
1868
  }
1869

1870
  var classCallCheck = function (instance, Constructor) {
1871
    if (!(instance instanceof Constructor)) {
1872
      throw new TypeError("Cannot call a class as a function");
1873
    }
1874
  };
1875

1876
  var createClass = function () {
1877
    function defineProperties(target, props) {
1878
      for (var i = 0; i < props.length; i++) {
1879
        var descriptor = props[i];
1880
        descriptor.enumerable = descriptor.enumerable || false;
1881
        descriptor.configurable = true;
1882
        if ("value" in descriptor) descriptor.writable = true;
1883
        Object.defineProperty(target, descriptor.key, descriptor);
1884
      }
1885
    }
1886

1887
    return function (Constructor, protoProps, staticProps) {
1888
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
1889
      if (staticProps) defineProperties(Constructor, staticProps);
1890
      return Constructor;
1891
    };
1892
  }();
1893

1894

1895

1896

1897

1898
  var defineProperty = function (obj, key, value) {
1899
    if (key in obj) {
1900
      Object.defineProperty(obj, key, {
1901
        value: value,
1902
        enumerable: true,
1903
        configurable: true,
1904
        writable: true
1905
      });
1906
    } else {
1907
      obj[key] = value;
1908
    }
1909

1910
    return obj;
1911
  };
1912

1913
  var _extends = Object.assign || function (target) {
1914
    for (var i = 1; i < arguments.length; i++) {
1915
      var source = arguments[i];
1916

1917
      for (var key in source) {
1918
        if (Object.prototype.hasOwnProperty.call(source, key)) {
1919
          target[key] = source[key];
1920
        }
1921
      }
1922
    }
1923

1924
    return target;
1925
  };
1926

1927
  /**
1928
   * Given element offsets, generate an output similar to getBoundingClientRect
1929
   * @method
1930
   * @memberof Popper.Utils
1931
   * @argument {Object} offsets
1932
   * @returns {Object} ClientRect like output
1933
   */
1934
  function getClientRect(offsets) {
1935
    return _extends({}, offsets, {
1936
      right: offsets.left + offsets.width,
1937
      bottom: offsets.top + offsets.height
1938
    });
1939
  }
1940

1941
  /**
1942
   * Get bounding client rect of given element
1943
   * @method
1944
   * @memberof Popper.Utils
1945
   * @param {HTMLElement} element
1946
   * @return {Object} client rect
1947
   */
1948
  function getBoundingClientRect(element) {
1949
    var rect = {};
1950

1951
    // IE10 10 FIX: Please, don't ask, the element isn't
1952
    // considered in DOM in some circumstances...
1953
    // This isn't reproducible in IE10 compatibility mode of IE11
1954
    try {
1955
      if (isIE(10)) {
1956
        rect = element.getBoundingClientRect();
1957
        var scrollTop = getScroll(element, 'top');
1958
        var scrollLeft = getScroll(element, 'left');
1959
        rect.top += scrollTop;
1960
        rect.left += scrollLeft;
1961
        rect.bottom += scrollTop;
1962
        rect.right += scrollLeft;
1963
      } else {
1964
        rect = element.getBoundingClientRect();
1965
      }
1966
    } catch (e) {}
1967

1968
    var result = {
1969
      left: rect.left,
1970
      top: rect.top,
1971
      width: rect.right - rect.left,
1972
      height: rect.bottom - rect.top
1973
    };
1974

1975
    // subtract scrollbar size from sizes
1976
    var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
1977
    var width = sizes.width || element.clientWidth || result.width;
1978
    var height = sizes.height || element.clientHeight || result.height;
1979

1980
    var horizScrollbar = element.offsetWidth - width;
1981
    var vertScrollbar = element.offsetHeight - height;
1982

1983
    // if an hypothetical scrollbar is detected, we must be sure it's not a `border`
1984
    // we make this check conditional for performance reasons
1985
    if (horizScrollbar || vertScrollbar) {
1986
      var styles = getStyleComputedProperty(element);
1987
      horizScrollbar -= getBordersSize(styles, 'x');
1988
      vertScrollbar -= getBordersSize(styles, 'y');
1989

1990
      result.width -= horizScrollbar;
1991
      result.height -= vertScrollbar;
1992
    }
1993

1994
    return getClientRect(result);
1995
  }
1996

1997
  function getOffsetRectRelativeToArbitraryNode(children, parent) {
1998
    var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
1999

2000
    var isIE10 = isIE(10);
2001
    var isHTML = parent.nodeName === 'HTML';
2002
    var childrenRect = getBoundingClientRect(children);
2003
    var parentRect = getBoundingClientRect(parent);
2004
    var scrollParent = getScrollParent(children);
2005

2006
    var styles = getStyleComputedProperty(parent);
2007
    var borderTopWidth = parseFloat(styles.borderTopWidth);
2008
    var borderLeftWidth = parseFloat(styles.borderLeftWidth);
2009

2010
    // In cases where the parent is fixed, we must ignore negative scroll in offset calc
2011
    if (fixedPosition && isHTML) {
2012
      parentRect.top = Math.max(parentRect.top, 0);
2013
      parentRect.left = Math.max(parentRect.left, 0);
2014
    }
2015
    var offsets = getClientRect({
2016
      top: childrenRect.top - parentRect.top - borderTopWidth,
2017
      left: childrenRect.left - parentRect.left - borderLeftWidth,
2018
      width: childrenRect.width,
2019
      height: childrenRect.height
2020
    });
2021
    offsets.marginTop = 0;
2022
    offsets.marginLeft = 0;
2023

2024
    // Subtract margins of documentElement in case it's being used as parent
2025
    // we do this only on HTML because it's the only element that behaves
2026
    // differently when margins are applied to it. The margins are included in
2027
    // the box of the documentElement, in the other cases not.
2028
    if (!isIE10 && isHTML) {
2029
      var marginTop = parseFloat(styles.marginTop);
2030
      var marginLeft = parseFloat(styles.marginLeft);
2031

2032
      offsets.top -= borderTopWidth - marginTop;
2033
      offsets.bottom -= borderTopWidth - marginTop;
2034
      offsets.left -= borderLeftWidth - marginLeft;
2035
      offsets.right -= borderLeftWidth - marginLeft;
2036

2037
      // Attach marginTop and marginLeft because in some circumstances we may need them
2038
      offsets.marginTop = marginTop;
2039
      offsets.marginLeft = marginLeft;
2040
    }
2041

2042
    if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
2043
      offsets = includeScroll(offsets, parent);
2044
    }
2045

2046
    return offsets;
2047
  }
2048

2049
  function getViewportOffsetRectRelativeToArtbitraryNode(element) {
2050
    var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
2051

2052
    var html = element.ownerDocument.documentElement;
2053
    var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
2054
    var width = Math.max(html.clientWidth, window.innerWidth || 0);
2055
    var height = Math.max(html.clientHeight, window.innerHeight || 0);
2056

2057
    var scrollTop = !excludeScroll ? getScroll(html) : 0;
2058
    var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;
2059

2060
    var offset = {
2061
      top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
2062
      left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
2063
      width: width,
2064
      height: height
2065
    };
2066

2067
    return getClientRect(offset);
2068
  }
2069

2070
  /**
2071
   * Check if the given element is fixed or is inside a fixed parent
2072
   * @method
2073
   * @memberof Popper.Utils
2074
   * @argument {Element} element
2075
   * @argument {Element} customContainer
2076
   * @returns {Boolean} answer to "isFixed?"
2077
   */
2078
  function isFixed(element) {
2079
    var nodeName = element.nodeName;
2080
    if (nodeName === 'BODY' || nodeName === 'HTML') {
2081
      return false;
2082
    }
2083
    if (getStyleComputedProperty(element, 'position') === 'fixed') {
2084
      return true;
2085
    }
2086
    var parentNode = getParentNode(element);
2087
    if (!parentNode) {
2088
      return false;
2089
    }
2090
    return isFixed(parentNode);
2091
  }
2092

2093
  /**
2094
   * Finds the first parent of an element that has a transformed property defined
2095
   * @method
2096
   * @memberof Popper.Utils
2097
   * @argument {Element} element
2098
   * @returns {Element} first transformed parent or documentElement
2099
   */
2100

2101
  function getFixedPositionOffsetParent(element) {
2102
    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
2103
    if (!element || !element.parentElement || isIE()) {
2104
      return document.documentElement;
2105
    }
2106
    var el = element.parentElement;
2107
    while (el && getStyleComputedProperty(el, 'transform') === 'none') {
2108
      el = el.parentElement;
2109
    }
2110
    return el || document.documentElement;
2111
  }
2112

2113
  /**
2114
   * Computed the boundaries limits and return them
2115
   * @method
2116
   * @memberof Popper.Utils
2117
   * @param {HTMLElement} popper
2118
   * @param {HTMLElement} reference
2119
   * @param {number} padding
2120
   * @param {HTMLElement} boundariesElement - Element used to define the boundaries
2121
   * @param {Boolean} fixedPosition - Is in fixed position mode
2122
   * @returns {Object} Coordinates of the boundaries
2123
   */
2124
  function getBoundaries(popper, reference, padding, boundariesElement) {
2125
    var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
2126

2127
    // NOTE: 1 DOM access here
2128

2129
    var boundaries = { top: 0, left: 0 };
2130
    var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference));
2131

2132
    // Handle viewport case
2133
    if (boundariesElement === 'viewport') {
2134
      boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
2135
    } else {
2136
      // Handle other cases based on DOM element used as boundaries
2137
      var boundariesNode = void 0;
2138
      if (boundariesElement === 'scrollParent') {
2139
        boundariesNode = getScrollParent(getParentNode(reference));
2140
        if (boundariesNode.nodeName === 'BODY') {
2141
          boundariesNode = popper.ownerDocument.documentElement;
2142
        }
2143
      } else if (boundariesElement === 'window') {
2144
        boundariesNode = popper.ownerDocument.documentElement;
2145
      } else {
2146
        boundariesNode = boundariesElement;
2147
      }
2148

2149
      var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);
2150

2151
      // In case of HTML, we need a different computation
2152
      if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
2153
        var _getWindowSizes = getWindowSizes(popper.ownerDocument),
2154
            height = _getWindowSizes.height,
2155
            width = _getWindowSizes.width;
2156

2157
        boundaries.top += offsets.top - offsets.marginTop;
2158
        boundaries.bottom = height + offsets.top;
2159
        boundaries.left += offsets.left - offsets.marginLeft;
2160
        boundaries.right = width + offsets.left;
2161
      } else {
2162
        // for all the other DOM elements, this one is good
2163
        boundaries = offsets;
2164
      }
2165
    }
2166

2167
    // Add paddings
2168
    padding = padding || 0;
2169
    var isPaddingNumber = typeof padding === 'number';
2170
    boundaries.left += isPaddingNumber ? padding : padding.left || 0;
2171
    boundaries.top += isPaddingNumber ? padding : padding.top || 0;
2172
    boundaries.right -= isPaddingNumber ? padding : padding.right || 0;
2173
    boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0;
2174

2175
    return boundaries;
2176
  }
2177

2178
  function getArea(_ref) {
2179
    var width = _ref.width,
2180
        height = _ref.height;
2181

2182
    return width * height;
2183
  }
2184

2185
  /**
2186
   * Utility used to transform the `auto` placement to the placement with more
2187
   * available space.
2188
   * @method
2189
   * @memberof Popper.Utils
2190
   * @argument {Object} data - The data object generated by update method
2191
   * @argument {Object} options - Modifiers configuration and options
2192
   * @returns {Object} The data object, properly modified
2193
   */
2194
  function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
2195
    var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
2196

2197
    if (placement.indexOf('auto') === -1) {
2198
      return placement;
2199
    }
2200

2201
    var boundaries = getBoundaries(popper, reference, padding, boundariesElement);
2202

2203
    var rects = {
2204
      top: {
2205
        width: boundaries.width,
2206
        height: refRect.top - boundaries.top
2207
      },
2208
      right: {
2209
        width: boundaries.right - refRect.right,
2210
        height: boundaries.height
2211
      },
2212
      bottom: {
2213
        width: boundaries.width,
2214
        height: boundaries.bottom - refRect.bottom
2215
      },
2216
      left: {
2217
        width: refRect.left - boundaries.left,
2218
        height: boundaries.height
2219
      }
2220
    };
2221

2222
    var sortedAreas = Object.keys(rects).map(function (key) {
2223
      return _extends({
2224
        key: key
2225
      }, rects[key], {
2226
        area: getArea(rects[key])
2227
      });
2228
    }).sort(function (a, b) {
2229
      return b.area - a.area;
2230
    });
2231

2232
    var filteredAreas = sortedAreas.filter(function (_ref2) {
2233
      var width = _ref2.width,
2234
          height = _ref2.height;
2235
      return width >= popper.clientWidth && height >= popper.clientHeight;
2236
    });
2237

2238
    var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;
2239

2240
    var variation = placement.split('-')[1];
2241

2242
    return computedPlacement + (variation ? '-' + variation : '');
2243
  }
2244

2245
  /**
2246
   * Get offsets to the reference element
2247
   * @method
2248
   * @memberof Popper.Utils
2249
   * @param {Object} state
2250
   * @param {Element} popper - the popper element
2251
   * @param {Element} reference - the reference element (the popper will be relative to this)
2252
   * @param {Element} fixedPosition - is in fixed position mode
2253
   * @returns {Object} An object containing the offsets which will be applied to the popper
2254
   */
2255
  function getReferenceOffsets(state, popper, reference) {
2256
    var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
2257

2258
    var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, getReferenceNode(reference));
2259
    return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
2260
  }
2261

2262
  /**
2263
   * Get the outer sizes of the given element (offset size + margins)
2264
   * @method
2265
   * @memberof Popper.Utils
2266
   * @argument {Element} element
2267
   * @returns {Object} object containing width and height properties
2268
   */
2269
  function getOuterSizes(element) {
2270
    var window = element.ownerDocument.defaultView;
2271
    var styles = window.getComputedStyle(element);
2272
    var x = parseFloat(styles.marginTop || 0) + parseFloat(styles.marginBottom || 0);
2273
    var y = parseFloat(styles.marginLeft || 0) + parseFloat(styles.marginRight || 0);
2274
    var result = {
2275
      width: element.offsetWidth + y,
2276
      height: element.offsetHeight + x
2277
    };
2278
    return result;
2279
  }
2280

2281
  /**
2282
   * Get the opposite placement of the given one
2283
   * @method
2284
   * @memberof Popper.Utils
2285
   * @argument {String} placement
2286
   * @returns {String} flipped placement
2287
   */
2288
  function getOppositePlacement(placement) {
2289
    var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
2290
    return placement.replace(/left|right|bottom|top/g, function (matched) {
2291
      return hash[matched];
2292
    });
2293
  }
2294

2295
  /**
2296
   * Get offsets to the popper
2297
   * @method
2298
   * @memberof Popper.Utils
2299
   * @param {Object} position - CSS position the Popper will get applied
2300
   * @param {HTMLElement} popper - the popper element
2301
   * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)
2302
   * @param {String} placement - one of the valid placement options
2303
   * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper
2304
   */
2305
  function getPopperOffsets(popper, referenceOffsets, placement) {
2306
    placement = placement.split('-')[0];
2307

2308
    // Get popper node sizes
2309
    var popperRect = getOuterSizes(popper);
2310

2311
    // Add position, width and height to our offsets object
2312
    var popperOffsets = {
2313
      width: popperRect.width,
2314
      height: popperRect.height
2315
    };
2316

2317
    // depending by the popper placement we have to compute its offsets slightly differently
2318
    var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
2319
    var mainSide = isHoriz ? 'top' : 'left';
2320
    var secondarySide = isHoriz ? 'left' : 'top';
2321
    var measurement = isHoriz ? 'height' : 'width';
2322
    var secondaryMeasurement = !isHoriz ? 'height' : 'width';
2323

2324
    popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;
2325
    if (placement === secondarySide) {
2326
      popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];
2327
    } else {
2328
      popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];
2329
    }
2330

2331
    return popperOffsets;
2332
  }
2333

2334
  /**
2335
   * Mimics the `find` method of Array
2336
   * @method
2337
   * @memberof Popper.Utils
2338
   * @argument {Array} arr
2339
   * @argument prop
2340
   * @argument value
2341
   * @returns index or -1
2342
   */
2343
  function find(arr, check) {
2344
    // use native find if supported
2345
    if (Array.prototype.find) {
2346
      return arr.find(check);
2347
    }
2348

2349
    // use `filter` to obtain the same behavior of `find`
2350
    return arr.filter(check)[0];
2351
  }
2352

2353
  /**
2354
   * Return the index of the matching object
2355
   * @method
2356
   * @memberof Popper.Utils
2357
   * @argument {Array} arr
2358
   * @argument prop
2359
   * @argument value
2360
   * @returns index or -1
2361
   */
2362
  function findIndex(arr, prop, value) {
2363
    // use native findIndex if supported
2364
    if (Array.prototype.findIndex) {
2365
      return arr.findIndex(function (cur) {
2366
        return cur[prop] === value;
2367
      });
2368
    }
2369

2370
    // use `find` + `indexOf` if `findIndex` isn't supported
2371
    var match = find(arr, function (obj) {
2372
      return obj[prop] === value;
2373
    });
2374
    return arr.indexOf(match);
2375
  }
2376

2377
  /**
2378
   * Loop trough the list of modifiers and run them in order,
2379
   * each of them will then edit the data object.
2380
   * @method
2381
   * @memberof Popper.Utils
2382
   * @param {dataObject} data
2383
   * @param {Array} modifiers
2384
   * @param {String} ends - Optional modifier name used as stopper
2385
   * @returns {dataObject}
2386
   */
2387
  function runModifiers(modifiers, data, ends) {
2388
    var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));
2389

2390
    modifiersToRun.forEach(function (modifier) {
2391
      if (modifier['function']) {
2392
        // eslint-disable-line dot-notation
2393
        console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
2394
      }
2395
      var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation
2396
      if (modifier.enabled && isFunction(fn)) {
2397
        // Add properties to offsets to make them a complete clientRect object
2398
        // we do this before each modifier to make sure the previous one doesn't
2399
        // mess with these values
2400
        data.offsets.popper = getClientRect(data.offsets.popper);
2401
        data.offsets.reference = getClientRect(data.offsets.reference);
2402

2403
        data = fn(data, modifier);
2404
      }
2405
    });
2406

2407
    return data;
2408
  }
2409

2410
  /**
2411
   * Updates the position of the popper, computing the new offsets and applying
2412
   * the new style.<br />
2413
   * Prefer `scheduleUpdate` over `update` because of performance reasons.
2414
   * @method
2415
   * @memberof Popper
2416
   */
2417
  function update() {
2418
    // if popper is destroyed, don't perform any further update
2419
    if (this.state.isDestroyed) {
2420
      return;
2421
    }
2422

2423
    var data = {
2424
      instance: this,
2425
      styles: {},
2426
      arrowStyles: {},
2427
      attributes: {},
2428
      flipped: false,
2429
      offsets: {}
2430
    };
2431

2432
    // compute reference element offsets
2433
    data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);
2434

2435
    // compute auto placement, store placement inside the data object,
2436
    // modifiers will be able to edit `placement` if needed
2437
    // and refer to originalPlacement to know the original value
2438
    data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);
2439

2440
    // store the computed placement inside `originalPlacement`
2441
    data.originalPlacement = data.placement;
2442

2443
    data.positionFixed = this.options.positionFixed;
2444

2445
    // compute the popper offsets
2446
    data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);
2447

2448
    data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';
2449

2450
    // run the modifiers
2451
    data = runModifiers(this.modifiers, data);
2452

2453
    // the first `update` will call `onCreate` callback
2454
    // the other ones will call `onUpdate` callback
2455
    if (!this.state.isCreated) {
2456
      this.state.isCreated = true;
2457
      this.options.onCreate(data);
2458
    } else {
2459
      this.options.onUpdate(data);
2460
    }
2461
  }
2462

2463
  /**
2464
   * Helper used to know if the given modifier is enabled.
2465
   * @method
2466
   * @memberof Popper.Utils
2467
   * @returns {Boolean}
2468
   */
2469
  function isModifierEnabled(modifiers, modifierName) {
2470
    return modifiers.some(function (_ref) {
2471
      var name = _ref.name,
2472
          enabled = _ref.enabled;
2473
      return enabled && name === modifierName;
2474
    });
2475
  }
2476

2477
  /**
2478
   * Get the prefixed supported property name
2479
   * @method
2480
   * @memberof Popper.Utils
2481
   * @argument {String} property (camelCase)
2482
   * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)
2483
   */
2484
  function getSupportedPropertyName(property) {
2485
    var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];
2486
    var upperProp = property.charAt(0).toUpperCase() + property.slice(1);
2487

2488
    for (var i = 0; i < prefixes.length; i++) {
2489
      var prefix = prefixes[i];
2490
      var toCheck = prefix ? '' + prefix + upperProp : property;
2491
      if (typeof document.body.style[toCheck] !== 'undefined') {
2492
        return toCheck;
2493
      }
2494
    }
2495
    return null;
2496
  }
2497

2498
  /**
2499
   * Destroys the popper.
2500
   * @method
2501
   * @memberof Popper
2502
   */
2503
  function destroy() {
2504
    this.state.isDestroyed = true;
2505

2506
    // touch DOM only if `applyStyle` modifier is enabled
2507
    if (isModifierEnabled(this.modifiers, 'applyStyle')) {
2508
      this.popper.removeAttribute('x-placement');
2509
      this.popper.style.position = '';
2510
      this.popper.style.top = '';
2511
      this.popper.style.left = '';
2512
      this.popper.style.right = '';
2513
      this.popper.style.bottom = '';
2514
      this.popper.style.willChange = '';
2515
      this.popper.style[getSupportedPropertyName('transform')] = '';
2516
    }
2517

2518
    this.disableEventListeners();
2519

2520
    // remove the popper if user explicitly asked for the deletion on destroy
2521
    // do not use `remove` because IE11 doesn't support it
2522
    if (this.options.removeOnDestroy) {
2523
      this.popper.parentNode.removeChild(this.popper);
2524
    }
2525
    return this;
2526
  }
2527

2528
  /**
2529
   * Get the window associated with the element
2530
   * @argument {Element} element
2531
   * @returns {Window}
2532
   */
2533
  function getWindow(element) {
2534
    var ownerDocument = element.ownerDocument;
2535
    return ownerDocument ? ownerDocument.defaultView : window;
2536
  }
2537

2538
  function attachToScrollParents(scrollParent, event, callback, scrollParents) {
2539
    var isBody = scrollParent.nodeName === 'BODY';
2540
    var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;
2541
    target.addEventListener(event, callback, { passive: true });
2542

2543
    if (!isBody) {
2544
      attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);
2545
    }
2546
    scrollParents.push(target);
2547
  }
2548

2549
  /**
2550
   * Setup needed event listeners used to update the popper position
2551
   * @method
2552
   * @memberof Popper.Utils
2553
   * @private
2554
   */
2555
  function setupEventListeners(reference, options, state, updateBound) {
2556
    // Resize event listener on window
2557
    state.updateBound = updateBound;
2558
    getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });
2559

2560
    // Scroll event listener on scroll parents
2561
    var scrollElement = getScrollParent(reference);
2562
    attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);
2563
    state.scrollElement = scrollElement;
2564
    state.eventsEnabled = true;
2565

2566
    return state;
2567
  }
2568

2569
  /**
2570
   * It will add resize/scroll events and start recalculating
2571
   * position of the popper element when they are triggered.
2572
   * @method
2573
   * @memberof Popper
2574
   */
2575
  function enableEventListeners() {
2576
    if (!this.state.eventsEnabled) {
2577
      this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);
2578
    }
2579
  }
2580

2581
  /**
2582
   * Remove event listeners used to update the popper position
2583
   * @method
2584
   * @memberof Popper.Utils
2585
   * @private
2586
   */
2587
  function removeEventListeners(reference, state) {
2588
    // Remove resize event listener on window
2589
    getWindow(reference).removeEventListener('resize', state.updateBound);
2590

2591
    // Remove scroll event listener on scroll parents
2592
    state.scrollParents.forEach(function (target) {
2593
      target.removeEventListener('scroll', state.updateBound);
2594
    });
2595

2596
    // Reset state
2597
    state.updateBound = null;
2598
    state.scrollParents = [];
2599
    state.scrollElement = null;
2600
    state.eventsEnabled = false;
2601
    return state;
2602
  }
2603

2604
  /**
2605
   * It will remove resize/scroll events and won't recalculate popper position
2606
   * when they are triggered. It also won't trigger `onUpdate` callback anymore,
2607
   * unless you call `update` method manually.
2608
   * @method
2609
   * @memberof Popper
2610
   */
2611
  function disableEventListeners() {
2612
    if (this.state.eventsEnabled) {
2613
      cancelAnimationFrame(this.scheduleUpdate);
2614
      this.state = removeEventListeners(this.reference, this.state);
2615
    }
2616
  }
2617

2618
  /**
2619
   * Tells if a given input is a number
2620
   * @method
2621
   * @memberof Popper.Utils
2622
   * @param {*} input to check
2623
   * @return {Boolean}
2624
   */
2625
  function isNumeric(n) {
2626
    return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);
2627
  }
2628

2629
  /**
2630
   * Set the style to the given popper
2631
   * @method
2632
   * @memberof Popper.Utils
2633
   * @argument {Element} element - Element to apply the style to
2634
   * @argument {Object} styles
2635
   * Object with a list of properties and values which will be applied to the element
2636
   */
2637
  function setStyles(element, styles) {
2638
    Object.keys(styles).forEach(function (prop) {
2639
      var unit = '';
2640
      // add unit if the value is numeric and is one of the following
2641
      if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
2642
        unit = 'px';
2643
      }
2644
      element.style[prop] = styles[prop] + unit;
2645
    });
2646
  }
2647

2648
  /**
2649
   * Set the attributes to the given popper
2650
   * @method
2651
   * @memberof Popper.Utils
2652
   * @argument {Element} element - Element to apply the attributes to
2653
   * @argument {Object} styles
2654
   * Object with a list of properties and values which will be applied to the element
2655
   */
2656
  function setAttributes(element, attributes) {
2657
    Object.keys(attributes).forEach(function (prop) {
2658
      var value = attributes[prop];
2659
      if (value !== false) {
2660
        element.setAttribute(prop, attributes[prop]);
2661
      } else {
2662
        element.removeAttribute(prop);
2663
      }
2664
    });
2665
  }
2666

2667
  /**
2668
   * @function
2669
   * @memberof Modifiers
2670
   * @argument {Object} data - The data object generated by `update` method
2671
   * @argument {Object} data.styles - List of style properties - values to apply to popper element
2672
   * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element
2673
   * @argument {Object} options - Modifiers configuration and options
2674
   * @returns {Object} The same data object
2675
   */
2676
  function applyStyle(data) {
2677
    // any property present in `data.styles` will be applied to the popper,
2678
    // in this way we can make the 3rd party modifiers add custom styles to it
2679
    // Be aware, modifiers could override the properties defined in the previous
2680
    // lines of this modifier!
2681
    setStyles(data.instance.popper, data.styles);
2682

2683
    // any property present in `data.attributes` will be applied to the popper,
2684
    // they will be set as HTML attributes of the element
2685
    setAttributes(data.instance.popper, data.attributes);
2686

2687
    // if arrowElement is defined and arrowStyles has some properties
2688
    if (data.arrowElement && Object.keys(data.arrowStyles).length) {
2689
      setStyles(data.arrowElement, data.arrowStyles);
2690
    }
2691

2692
    return data;
2693
  }
2694

2695
  /**
2696
   * Set the x-placement attribute before everything else because it could be used
2697
   * to add margins to the popper margins needs to be calculated to get the
2698
   * correct popper offsets.
2699
   * @method
2700
   * @memberof Popper.modifiers
2701
   * @param {HTMLElement} reference - The reference element used to position the popper
2702
   * @param {HTMLElement} popper - The HTML element used as popper
2703
   * @param {Object} options - Popper.js options
2704
   */
2705
  function applyStyleOnLoad(reference, popper, options, modifierOptions, state) {
2706
    // compute reference element offsets
2707
    var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);
2708

2709
    // compute auto placement, store placement inside the data object,
2710
    // modifiers will be able to edit `placement` if needed
2711
    // and refer to originalPlacement to know the original value
2712
    var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);
2713

2714
    popper.setAttribute('x-placement', placement);
2715

2716
    // Apply `position` to popper before anything else because
2717
    // without the position applied we can't guarantee correct computations
2718
    setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });
2719

2720
    return options;
2721
  }
2722

2723
  /**
2724
   * @function
2725
   * @memberof Popper.Utils
2726
   * @argument {Object} data - The data object generated by `update` method
2727
   * @argument {Boolean} shouldRound - If the offsets should be rounded at all
2728
   * @returns {Object} The popper's position offsets rounded
2729
   *
2730
   * The tale of pixel-perfect positioning. It's still not 100% perfect, but as
2731
   * good as it can be within reason.
2732
   * Discussion here: https://github.com/FezVrasta/popper.js/pull/715
2733
   *
2734
   * Low DPI screens cause a popper to be blurry if not using full pixels (Safari
2735
   * as well on High DPI screens).
2736
   *
2737
   * Firefox prefers no rounding for positioning and does not have blurriness on
2738
   * high DPI screens.
2739
   *
2740
   * Only horizontal placement and left/right values need to be considered.
2741
   */
2742
  function getRoundedOffsets(data, shouldRound) {
2743
    var _data$offsets = data.offsets,
2744
        popper = _data$offsets.popper,
2745
        reference = _data$offsets.reference;
2746
    var round = Math.round,
2747
        floor = Math.floor;
2748

2749
    var noRound = function noRound(v) {
2750
      return v;
2751
    };
2752

2753
    var referenceWidth = round(reference.width);
2754
    var popperWidth = round(popper.width);
2755

2756
    var isVertical = ['left', 'right'].indexOf(data.placement) !== -1;
2757
    var isVariation = data.placement.indexOf('-') !== -1;
2758
    var sameWidthParity = referenceWidth % 2 === popperWidth % 2;
2759
    var bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1;
2760

2761
    var horizontalToInteger = !shouldRound ? noRound : isVertical || isVariation || sameWidthParity ? round : floor;
2762
    var verticalToInteger = !shouldRound ? noRound : round;
2763

2764
    return {
2765
      left: horizontalToInteger(bothOddWidth && !isVariation && shouldRound ? popper.left - 1 : popper.left),
2766
      top: verticalToInteger(popper.top),
2767
      bottom: verticalToInteger(popper.bottom),
2768
      right: horizontalToInteger(popper.right)
2769
    };
2770
  }
2771

2772
  var isFirefox = isBrowser && /Firefox/i.test(navigator.userAgent);
2773

2774
  /**
2775
   * @function
2776
   * @memberof Modifiers
2777
   * @argument {Object} data - The data object generated by `update` method
2778
   * @argument {Object} options - Modifiers configuration and options
2779
   * @returns {Object} The data object, properly modified
2780
   */
2781
  function computeStyle(data, options) {
2782
    var x = options.x,
2783
        y = options.y;
2784
    var popper = data.offsets.popper;
2785

2786
    // Remove this legacy support in Popper.js v2
2787

2788
    var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {
2789
      return modifier.name === 'applyStyle';
2790
    }).gpuAcceleration;
2791
    if (legacyGpuAccelerationOption !== undefined) {
2792
      console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
2793
    }
2794
    var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;
2795

2796
    var offsetParent = getOffsetParent(data.instance.popper);
2797
    var offsetParentRect = getBoundingClientRect(offsetParent);
2798

2799
    // Styles
2800
    var styles = {
2801
      position: popper.position
2802
    };
2803

2804
    var offsets = getRoundedOffsets(data, window.devicePixelRatio < 2 || !isFirefox);
2805

2806
    var sideA = x === 'bottom' ? 'top' : 'bottom';
2807
    var sideB = y === 'right' ? 'left' : 'right';
2808

2809
    // if gpuAcceleration is set to `true` and transform is supported,
2810
    //  we use `translate3d` to apply the position to the popper we
2811
    // automatically use the supported prefixed version if needed
2812
    var prefixedProperty = getSupportedPropertyName('transform');
2813

2814
    // now, let's make a step back and look at this code closely (wtf?)
2815
    // If the content of the popper grows once it's been positioned, it
2816
    // may happen that the popper gets misplaced because of the new content
2817
    // overflowing its reference element
2818
    // To avoid this problem, we provide two options (x and y), which allow
2819
    // the consumer to define the offset origin.
2820
    // If we position a popper on top of a reference element, we can set
2821
    // `x` to `top` to make the popper grow towards its top instead of
2822
    // its bottom.
2823
    var left = void 0,
2824
        top = void 0;
2825
    if (sideA === 'bottom') {
2826
      // when offsetParent is <html> the positioning is relative to the bottom of the screen (excluding the scrollbar)
2827
      // and not the bottom of the html element
2828
      if (offsetParent.nodeName === 'HTML') {
2829
        top = -offsetParent.clientHeight + offsets.bottom;
2830
      } else {
2831
        top = -offsetParentRect.height + offsets.bottom;
2832
      }
2833
    } else {
2834
      top = offsets.top;
2835
    }
2836
    if (sideB === 'right') {
2837
      if (offsetParent.nodeName === 'HTML') {
2838
        left = -offsetParent.clientWidth + offsets.right;
2839
      } else {
2840
        left = -offsetParentRect.width + offsets.right;
2841
      }
2842
    } else {
2843
      left = offsets.left;
2844
    }
2845
    if (gpuAcceleration && prefixedProperty) {
2846
      styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';
2847
      styles[sideA] = 0;
2848
      styles[sideB] = 0;
2849
      styles.willChange = 'transform';
2850
    } else {
2851
      // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties
2852
      var invertTop = sideA === 'bottom' ? -1 : 1;
2853
      var invertLeft = sideB === 'right' ? -1 : 1;
2854
      styles[sideA] = top * invertTop;
2855
      styles[sideB] = left * invertLeft;
2856
      styles.willChange = sideA + ', ' + sideB;
2857
    }
2858

2859
    // Attributes
2860
    var attributes = {
2861
      'x-placement': data.placement
2862
    };
2863

2864
    // Update `data` attributes, styles and arrowStyles
2865
    data.attributes = _extends({}, attributes, data.attributes);
2866
    data.styles = _extends({}, styles, data.styles);
2867
    data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);
2868

2869
    return data;
2870
  }
2871

2872
  /**
2873
   * Helper used to know if the given modifier depends from another one.<br />
2874
   * It checks if the needed modifier is listed and enabled.
2875
   * @method
2876
   * @memberof Popper.Utils
2877
   * @param {Array} modifiers - list of modifiers
2878
   * @param {String} requestingName - name of requesting modifier
2879
   * @param {String} requestedName - name of requested modifier
2880
   * @returns {Boolean}
2881
   */
2882
  function isModifierRequired(modifiers, requestingName, requestedName) {
2883
    var requesting = find(modifiers, function (_ref) {
2884
      var name = _ref.name;
2885
      return name === requestingName;
2886
    });
2887

2888
    var isRequired = !!requesting && modifiers.some(function (modifier) {
2889
      return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
2890
    });
2891

2892
    if (!isRequired) {
2893
      var _requesting = '`' + requestingName + '`';
2894
      var requested = '`' + requestedName + '`';
2895
      console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
2896
    }
2897
    return isRequired;
2898
  }
2899

2900
  /**
2901
   * @function
2902
   * @memberof Modifiers
2903
   * @argument {Object} data - The data object generated by update method
2904
   * @argument {Object} options - Modifiers configuration and options
2905
   * @returns {Object} The data object, properly modified
2906
   */
2907
  function arrow(data, options) {
2908
    var _data$offsets$arrow;
2909

2910
    // arrow depends on keepTogether in order to work
2911
    if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
2912
      return data;
2913
    }
2914

2915
    var arrowElement = options.element;
2916

2917
    // if arrowElement is a string, suppose it's a CSS selector
2918
    if (typeof arrowElement === 'string') {
2919
      arrowElement = data.instance.popper.querySelector(arrowElement);
2920

2921
      // if arrowElement is not found, don't run the modifier
2922
      if (!arrowElement) {
2923
        return data;
2924
      }
2925
    } else {
2926
      // if the arrowElement isn't a query selector we must check that the
2927
      // provided DOM node is child of its popper node
2928
      if (!data.instance.popper.contains(arrowElement)) {
2929
        console.warn('WARNING: `arrow.element` must be child of its popper element!');
2930
        return data;
2931
      }
2932
    }
2933

2934
    var placement = data.placement.split('-')[0];
2935
    var _data$offsets = data.offsets,
2936
        popper = _data$offsets.popper,
2937
        reference = _data$offsets.reference;
2938

2939
    var isVertical = ['left', 'right'].indexOf(placement) !== -1;
2940

2941
    var len = isVertical ? 'height' : 'width';
2942
    var sideCapitalized = isVertical ? 'Top' : 'Left';
2943
    var side = sideCapitalized.toLowerCase();
2944
    var altSide = isVertical ? 'left' : 'top';
2945
    var opSide = isVertical ? 'bottom' : 'right';
2946
    var arrowElementSize = getOuterSizes(arrowElement)[len];
2947

2948
    //
2949
    // extends keepTogether behavior making sure the popper and its
2950
    // reference have enough pixels in conjunction
2951
    //
2952

2953
    // top/left side
2954
    if (reference[opSide] - arrowElementSize < popper[side]) {
2955
      data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);
2956
    }
2957
    // bottom/right side
2958
    if (reference[side] + arrowElementSize > popper[opSide]) {
2959
      data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];
2960
    }
2961
    data.offsets.popper = getClientRect(data.offsets.popper);
2962

2963
    // compute center of the popper
2964
    var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;
2965

2966
    // Compute the sideValue using the updated popper offsets
2967
    // take popper margin in account because we don't have this info available
2968
    var css = getStyleComputedProperty(data.instance.popper);
2969
    var popperMarginSide = parseFloat(css['margin' + sideCapitalized]);
2970
    var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width']);
2971
    var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;
2972

2973
    // prevent arrowElement from being placed not contiguously to its popper
2974
    sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);
2975

2976
    data.arrowElement = arrowElement;
2977
    data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);
2978

2979
    return data;
2980
  }
2981

2982
  /**
2983
   * Get the opposite placement variation of the given one
2984
   * @method
2985
   * @memberof Popper.Utils
2986
   * @argument {String} placement variation
2987
   * @returns {String} flipped placement variation
2988
   */
2989
  function getOppositeVariation(variation) {
2990
    if (variation === 'end') {
2991
      return 'start';
2992
    } else if (variation === 'start') {
2993
      return 'end';
2994
    }
2995
    return variation;
2996
  }
2997

2998
  /**
2999
   * List of accepted placements to use as values of the `placement` option.<br />
3000
   * Valid placements are:
3001
   * - `auto`
3002
   * - `top`
3003
   * - `right`
3004
   * - `bottom`
3005
   * - `left`
3006
   *
3007
   * Each placement can have a variation from this list:
3008
   * - `-start`
3009
   * - `-end`
3010
   *
3011
   * Variations are interpreted easily if you think of them as the left to right
3012
   * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`
3013
   * is right.<br />
3014
   * Vertically (`left` and `right`), `start` is top and `end` is bottom.
3015
   *
3016
   * Some valid examples are:
3017
   * - `top-end` (on top of reference, right aligned)
3018
   * - `right-start` (on right of reference, top aligned)
3019
   * - `bottom` (on bottom, centered)
3020
   * - `auto-end` (on the side with more space available, alignment depends by placement)
3021
   *
3022
   * @static
3023
   * @type {Array}
3024
   * @enum {String}
3025
   * @readonly
3026
   * @method placements
3027
   * @memberof Popper
3028
   */
3029
  var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];
3030

3031
  // Get rid of `auto` `auto-start` and `auto-end`
3032
  var validPlacements = placements.slice(3);
3033

3034
  /**
3035
   * Given an initial placement, returns all the subsequent placements
3036
   * clockwise (or counter-clockwise).
3037
   *
3038
   * @method
3039
   * @memberof Popper.Utils
3040
   * @argument {String} placement - A valid placement (it accepts variations)
3041
   * @argument {Boolean} counter - Set to true to walk the placements counterclockwise
3042
   * @returns {Array} placements including their variations
3043
   */
3044
  function clockwise(placement) {
3045
    var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
3046

3047
    var index = validPlacements.indexOf(placement);
3048
    var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));
3049
    return counter ? arr.reverse() : arr;
3050
  }
3051

3052
  var BEHAVIORS = {
3053
    FLIP: 'flip',
3054
    CLOCKWISE: 'clockwise',
3055
    COUNTERCLOCKWISE: 'counterclockwise'
3056
  };
3057

3058
  /**
3059
   * @function
3060
   * @memberof Modifiers
3061
   * @argument {Object} data - The data object generated by update method
3062
   * @argument {Object} options - Modifiers configuration and options
3063
   * @returns {Object} The data object, properly modified
3064
   */
3065
  function flip(data, options) {
3066
    // if `inner` modifier is enabled, we can't use the `flip` modifier
3067
    if (isModifierEnabled(data.instance.modifiers, 'inner')) {
3068
      return data;
3069
    }
3070

3071
    if (data.flipped && data.placement === data.originalPlacement) {
3072
      // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides
3073
      return data;
3074
    }
3075

3076
    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);
3077

3078
    var placement = data.placement.split('-')[0];
3079
    var placementOpposite = getOppositePlacement(placement);
3080
    var variation = data.placement.split('-')[1] || '';
3081

3082
    var flipOrder = [];
3083

3084
    switch (options.behavior) {
3085
      case BEHAVIORS.FLIP:
3086
        flipOrder = [placement, placementOpposite];
3087
        break;
3088
      case BEHAVIORS.CLOCKWISE:
3089
        flipOrder = clockwise(placement);
3090
        break;
3091
      case BEHAVIORS.COUNTERCLOCKWISE:
3092
        flipOrder = clockwise(placement, true);
3093
        break;
3094
      default:
3095
        flipOrder = options.behavior;
3096
    }
3097

3098
    flipOrder.forEach(function (step, index) {
3099
      if (placement !== step || flipOrder.length === index + 1) {
3100
        return data;
3101
      }
3102

3103
      placement = data.placement.split('-')[0];
3104
      placementOpposite = getOppositePlacement(placement);
3105

3106
      var popperOffsets = data.offsets.popper;
3107
      var refOffsets = data.offsets.reference;
3108

3109
      // using floor because the reference offsets may contain decimals we are not going to consider here
3110
      var floor = Math.floor;
3111
      var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);
3112

3113
      var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);
3114
      var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);
3115
      var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);
3116
      var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);
3117

3118
      var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;
3119

3120
      // flip the variation if required
3121
      var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
3122

3123
      // flips variation if reference element overflows boundaries
3124
      var flippedVariationByRef = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);
3125

3126
      // flips variation if popper content overflows boundaries
3127
      var flippedVariationByContent = !!options.flipVariationsByContent && (isVertical && variation === 'start' && overflowsRight || isVertical && variation === 'end' && overflowsLeft || !isVertical && variation === 'start' && overflowsBottom || !isVertical && variation === 'end' && overflowsTop);
3128

3129
      var flippedVariation = flippedVariationByRef || flippedVariationByContent;
3130

3131
      if (overlapsRef || overflowsBoundaries || flippedVariation) {
3132
        // this boolean to detect any flip loop
3133
        data.flipped = true;
3134

3135
        if (overlapsRef || overflowsBoundaries) {
3136
          placement = flipOrder[index + 1];
3137
        }
3138

3139
        if (flippedVariation) {
3140
          variation = getOppositeVariation(variation);
3141
        }
3142

3143
        data.placement = placement + (variation ? '-' + variation : '');
3144

3145
        // this object contains `position`, we want to preserve it along with
3146
        // any additional property we may add in the future
3147
        data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));
3148

3149
        data = runModifiers(data.instance.modifiers, data, 'flip');
3150
      }
3151
    });
3152
    return data;
3153
  }
3154

3155
  /**
3156
   * @function
3157
   * @memberof Modifiers
3158
   * @argument {Object} data - The data object generated by update method
3159
   * @argument {Object} options - Modifiers configuration and options
3160
   * @returns {Object} The data object, properly modified
3161
   */
3162
  function keepTogether(data) {
3163
    var _data$offsets = data.offsets,
3164
        popper = _data$offsets.popper,
3165
        reference = _data$offsets.reference;
3166

3167
    var placement = data.placement.split('-')[0];
3168
    var floor = Math.floor;
3169
    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
3170
    var side = isVertical ? 'right' : 'bottom';
3171
    var opSide = isVertical ? 'left' : 'top';
3172
    var measurement = isVertical ? 'width' : 'height';
3173

3174
    if (popper[side] < floor(reference[opSide])) {
3175
      data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];
3176
    }
3177
    if (popper[opSide] > floor(reference[side])) {
3178
      data.offsets.popper[opSide] = floor(reference[side]);
3179
    }
3180

3181
    return data;
3182
  }
3183

3184
  /**
3185
   * Converts a string containing value + unit into a px value number
3186
   * @function
3187
   * @memberof {modifiers~offset}
3188
   * @private
3189
   * @argument {String} str - Value + unit string
3190
   * @argument {String} measurement - `height` or `width`
3191
   * @argument {Object} popperOffsets
3192
   * @argument {Object} referenceOffsets
3193
   * @returns {Number|String}
3194
   * Value in pixels, or original string if no values were extracted
3195
   */
3196
  function toValue(str, measurement, popperOffsets, referenceOffsets) {
3197
    // separate value from unit
3198
    var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/);
3199
    var value = +split[1];
3200
    var unit = split[2];
3201

3202
    // If it's not a number it's an operator, I guess
3203
    if (!value) {
3204
      return str;
3205
    }
3206

3207
    if (unit.indexOf('%') === 0) {
3208
      var element = void 0;
3209
      switch (unit) {
3210
        case '%p':
3211
          element = popperOffsets;
3212
          break;
3213
        case '%':
3214
        case '%r':
3215
        default:
3216
          element = referenceOffsets;
3217
      }
3218

3219
      var rect = getClientRect(element);
3220
      return rect[measurement] / 100 * value;
3221
    } else if (unit === 'vh' || unit === 'vw') {
3222
      // if is a vh or vw, we calculate the size based on the viewport
3223
      var size = void 0;
3224
      if (unit === 'vh') {
3225
        size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
3226
      } else {
3227
        size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
3228
      }
3229
      return size / 100 * value;
3230
    } else {
3231
      // if is an explicit pixel unit, we get rid of the unit and keep the value
3232
      // if is an implicit unit, it's px, and we return just the value
3233
      return value;
3234
    }
3235
  }
3236

3237
  /**
3238
   * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.
3239
   * @function
3240
   * @memberof {modifiers~offset}
3241
   * @private
3242
   * @argument {String} offset
3243
   * @argument {Object} popperOffsets
3244
   * @argument {Object} referenceOffsets
3245
   * @argument {String} basePlacement
3246
   * @returns {Array} a two cells array with x and y offsets in numbers
3247
   */
3248
  function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {
3249
    var offsets = [0, 0];
3250

3251
    // Use height if placement is left or right and index is 0 otherwise use width
3252
    // in this way the first offset will use an axis and the second one
3253
    // will use the other one
3254
    var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;
3255

3256
    // Split the offset string to obtain a list of values and operands
3257
    // The regex addresses values with the plus or minus sign in front (+10, -20, etc)
3258
    var fragments = offset.split(/(\+|\-)/).map(function (frag) {
3259
      return frag.trim();
3260
    });
3261

3262
    // Detect if the offset string contains a pair of values or a single one
3263
    // they could be separated by comma or space
3264
    var divider = fragments.indexOf(find(fragments, function (frag) {
3265
      return frag.search(/,|\s/) !== -1;
3266
    }));
3267

3268
    if (fragments[divider] && fragments[divider].indexOf(',') === -1) {
3269
      console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
3270
    }
3271

3272
    // If divider is found, we divide the list of values and operands to divide
3273
    // them by ofset X and Y.
3274
    var splitRegex = /\s*,\s*|\s+/;
3275
    var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];
3276

3277
    // Convert the values with units to absolute pixels to allow our computations
3278
    ops = ops.map(function (op, index) {
3279
      // Most of the units rely on the orientation of the popper
3280
      var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';
3281
      var mergeWithPrevious = false;
3282
      return op
3283
      // This aggregates any `+` or `-` sign that aren't considered operators
3284
      // e.g.: 10 + +5 => [10, +, +5]
3285
      .reduce(function (a, b) {
3286
        if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {
3287
          a[a.length - 1] = b;
3288
          mergeWithPrevious = true;
3289
          return a;
3290
        } else if (mergeWithPrevious) {
3291
          a[a.length - 1] += b;
3292
          mergeWithPrevious = false;
3293
          return a;
3294
        } else {
3295
          return a.concat(b);
3296
        }
3297
      }, [])
3298
      // Here we convert the string values into number values (in px)
3299
      .map(function (str) {
3300
        return toValue(str, measurement, popperOffsets, referenceOffsets);
3301
      });
3302
    });
3303

3304
    // Loop trough the offsets arrays and execute the operations
3305
    ops.forEach(function (op, index) {
3306
      op.forEach(function (frag, index2) {
3307
        if (isNumeric(frag)) {
3308
          offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);
3309
        }
3310
      });
3311
    });
3312
    return offsets;
3313
  }
3314

3315
  /**
3316
   * @function
3317
   * @memberof Modifiers
3318
   * @argument {Object} data - The data object generated by update method
3319
   * @argument {Object} options - Modifiers configuration and options
3320
   * @argument {Number|String} options.offset=0
3321
   * The offset value as described in the modifier description
3322
   * @returns {Object} The data object, properly modified
3323
   */
3324
  function offset(data, _ref) {
3325
    var offset = _ref.offset;
3326
    var placement = data.placement,
3327
        _data$offsets = data.offsets,
3328
        popper = _data$offsets.popper,
3329
        reference = _data$offsets.reference;
3330

3331
    var basePlacement = placement.split('-')[0];
3332

3333
    var offsets = void 0;
3334
    if (isNumeric(+offset)) {
3335
      offsets = [+offset, 0];
3336
    } else {
3337
      offsets = parseOffset(offset, popper, reference, basePlacement);
3338
    }
3339

3340
    if (basePlacement === 'left') {
3341
      popper.top += offsets[0];
3342
      popper.left -= offsets[1];
3343
    } else if (basePlacement === 'right') {
3344
      popper.top += offsets[0];
3345
      popper.left += offsets[1];
3346
    } else if (basePlacement === 'top') {
3347
      popper.left += offsets[0];
3348
      popper.top -= offsets[1];
3349
    } else if (basePlacement === 'bottom') {
3350
      popper.left += offsets[0];
3351
      popper.top += offsets[1];
3352
    }
3353

3354
    data.popper = popper;
3355
    return data;
3356
  }
3357

3358
  /**
3359
   * @function
3360
   * @memberof Modifiers
3361
   * @argument {Object} data - The data object generated by `update` method
3362
   * @argument {Object} options - Modifiers configuration and options
3363
   * @returns {Object} The data object, properly modified
3364
   */
3365
  function preventOverflow(data, options) {
3366
    var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);
3367

3368
    // If offsetParent is the reference element, we really want to
3369
    // go one step up and use the next offsetParent as reference to
3370
    // avoid to make this modifier completely useless and look like broken
3371
    if (data.instance.reference === boundariesElement) {
3372
      boundariesElement = getOffsetParent(boundariesElement);
3373
    }
3374

3375
    // NOTE: DOM access here
3376
    // resets the popper's position so that the document size can be calculated excluding
3377
    // the size of the popper element itself
3378
    var transformProp = getSupportedPropertyName('transform');
3379
    var popperStyles = data.instance.popper.style; // assignment to help minification
3380
    var top = popperStyles.top,
3381
        left = popperStyles.left,
3382
        transform = popperStyles[transformProp];
3383

3384
    popperStyles.top = '';
3385
    popperStyles.left = '';
3386
    popperStyles[transformProp] = '';
3387

3388
    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);
3389

3390
    // NOTE: DOM access here
3391
    // restores the original style properties after the offsets have been computed
3392
    popperStyles.top = top;
3393
    popperStyles.left = left;
3394
    popperStyles[transformProp] = transform;
3395

3396
    options.boundaries = boundaries;
3397

3398
    var order = options.priority;
3399
    var popper = data.offsets.popper;
3400

3401
    var check = {
3402
      primary: function primary(placement) {
3403
        var value = popper[placement];
3404
        if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {
3405
          value = Math.max(popper[placement], boundaries[placement]);
3406
        }
3407
        return defineProperty({}, placement, value);
3408
      },
3409
      secondary: function secondary(placement) {
3410
        var mainSide = placement === 'right' ? 'left' : 'top';
3411
        var value = popper[mainSide];
3412
        if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {
3413
          value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));
3414
        }
3415
        return defineProperty({}, mainSide, value);
3416
      }
3417
    };
3418

3419
    order.forEach(function (placement) {
3420
      var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';
3421
      popper = _extends({}, popper, check[side](placement));
3422
    });
3423

3424
    data.offsets.popper = popper;
3425

3426
    return data;
3427
  }
3428

3429
  /**
3430
   * @function
3431
   * @memberof Modifiers
3432
   * @argument {Object} data - The data object generated by `update` method
3433
   * @argument {Object} options - Modifiers configuration and options
3434
   * @returns {Object} The data object, properly modified
3435
   */
3436
  function shift(data) {
3437
    var placement = data.placement;
3438
    var basePlacement = placement.split('-')[0];
3439
    var shiftvariation = placement.split('-')[1];
3440

3441
    // if shift shiftvariation is specified, run the modifier
3442
    if (shiftvariation) {
3443
      var _data$offsets = data.offsets,
3444
          reference = _data$offsets.reference,
3445
          popper = _data$offsets.popper;
3446

3447
      var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
3448
      var side = isVertical ? 'left' : 'top';
3449
      var measurement = isVertical ? 'width' : 'height';
3450

3451
      var shiftOffsets = {
3452
        start: defineProperty({}, side, reference[side]),
3453
        end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])
3454
      };
3455

3456
      data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);
3457
    }
3458

3459
    return data;
3460
  }
3461

3462
  /**
3463
   * @function
3464
   * @memberof Modifiers
3465
   * @argument {Object} data - The data object generated by update method
3466
   * @argument {Object} options - Modifiers configuration and options
3467
   * @returns {Object} The data object, properly modified
3468
   */
3469
  function hide(data) {
3470
    if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
3471
      return data;
3472
    }
3473

3474
    var refRect = data.offsets.reference;
3475
    var bound = find(data.instance.modifiers, function (modifier) {
3476
      return modifier.name === 'preventOverflow';
3477
    }).boundaries;
3478

3479
    if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {
3480
      // Avoid unnecessary DOM access if visibility hasn't changed
3481
      if (data.hide === true) {
3482
        return data;
3483
      }
3484

3485
      data.hide = true;
3486
      data.attributes['x-out-of-boundaries'] = '';
3487
    } else {
3488
      // Avoid unnecessary DOM access if visibility hasn't changed
3489
      if (data.hide === false) {
3490
        return data;
3491
      }
3492

3493
      data.hide = false;
3494
      data.attributes['x-out-of-boundaries'] = false;
3495
    }
3496

3497
    return data;
3498
  }
3499

3500
  /**
3501
   * @function
3502
   * @memberof Modifiers
3503
   * @argument {Object} data - The data object generated by `update` method
3504
   * @argument {Object} options - Modifiers configuration and options
3505
   * @returns {Object} The data object, properly modified
3506
   */
3507
  function inner(data) {
3508
    var placement = data.placement;
3509
    var basePlacement = placement.split('-')[0];
3510
    var _data$offsets = data.offsets,
3511
        popper = _data$offsets.popper,
3512
        reference = _data$offsets.reference;
3513

3514
    var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;
3515

3516
    var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;
3517

3518
    popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);
3519

3520
    data.placement = getOppositePlacement(placement);
3521
    data.offsets.popper = getClientRect(popper);
3522

3523
    return data;
3524
  }
3525

3526
  /**
3527
   * Modifier function, each modifier can have a function of this type assigned
3528
   * to its `fn` property.<br />
3529
   * These functions will be called on each update, this means that you must
3530
   * make sure they are performant enough to avoid performance bottlenecks.
3531
   *
3532
   * @function ModifierFn
3533
   * @argument {dataObject} data - The data object generated by `update` method
3534
   * @argument {Object} options - Modifiers configuration and options
3535
   * @returns {dataObject} The data object, properly modified
3536
   */
3537

3538
  /**
3539
   * Modifiers are plugins used to alter the behavior of your poppers.<br />
3540
   * Popper.js uses a set of 9 modifiers to provide all the basic functionalities
3541
   * needed by the library.
3542
   *
3543
   * Usually you don't want to override the `order`, `fn` and `onLoad` props.
3544
   * All the other properties are configurations that could be tweaked.
3545
   * @namespace modifiers
3546
   */
3547
  var modifiers = {
3548
    /**
3549
     * Modifier used to shift the popper on the start or end of its reference
3550
     * element.<br />
3551
     * It will read the variation of the `placement` property.<br />
3552
     * It can be one either `-end` or `-start`.
3553
     * @memberof modifiers
3554
     * @inner
3555
     */
3556
    shift: {
3557
      /** @prop {number} order=100 - Index used to define the order of execution */
3558
      order: 100,
3559
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3560
      enabled: true,
3561
      /** @prop {ModifierFn} */
3562
      fn: shift
3563
    },
3564

3565
    /**
3566
     * The `offset` modifier can shift your popper on both its axis.
3567
     *
3568
     * It accepts the following units:
3569
     * - `px` or unit-less, interpreted as pixels
3570
     * - `%` or `%r`, percentage relative to the length of the reference element
3571
     * - `%p`, percentage relative to the length of the popper element
3572
     * - `vw`, CSS viewport width unit
3573
     * - `vh`, CSS viewport height unit
3574
     *
3575
     * For length is intended the main axis relative to the placement of the popper.<br />
3576
     * This means that if the placement is `top` or `bottom`, the length will be the
3577
     * `width`. In case of `left` or `right`, it will be the `height`.
3578
     *
3579
     * You can provide a single value (as `Number` or `String`), or a pair of values
3580
     * as `String` divided by a comma or one (or more) white spaces.<br />
3581
     * The latter is a deprecated method because it leads to confusion and will be
3582
     * removed in v2.<br />
3583
     * Additionally, it accepts additions and subtractions between different units.
3584
     * Note that multiplications and divisions aren't supported.
3585
     *
3586
     * Valid examples are:
3587
     * ```
3588
     * 10
3589
     * '10%'
3590
     * '10, 10'
3591
     * '10%, 10'
3592
     * '10 + 10%'
3593
     * '10 - 5vh + 3%'
3594
     * '-10px + 5vh, 5px - 6%'
3595
     * ```
3596
     * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap
3597
     * > with their reference element, unfortunately, you will have to disable the `flip` modifier.
3598
     * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).
3599
     *
3600
     * @memberof modifiers
3601
     * @inner
3602
     */
3603
    offset: {
3604
      /** @prop {number} order=200 - Index used to define the order of execution */
3605
      order: 200,
3606
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3607
      enabled: true,
3608
      /** @prop {ModifierFn} */
3609
      fn: offset,
3610
      /** @prop {Number|String} offset=0
3611
       * The offset value as described in the modifier description
3612
       */
3613
      offset: 0
3614
    },
3615

3616
    /**
3617
     * Modifier used to prevent the popper from being positioned outside the boundary.
3618
     *
3619
     * A scenario exists where the reference itself is not within the boundaries.<br />
3620
     * We can say it has "escaped the boundaries" — or just "escaped".<br />
3621
     * In this case we need to decide whether the popper should either:
3622
     *
3623
     * - detach from the reference and remain "trapped" in the boundaries, or
3624
     * - if it should ignore the boundary and "escape with its reference"
3625
     *
3626
     * When `escapeWithReference` is set to`true` and reference is completely
3627
     * outside its boundaries, the popper will overflow (or completely leave)
3628
     * the boundaries in order to remain attached to the edge of the reference.
3629
     *
3630
     * @memberof modifiers
3631
     * @inner
3632
     */
3633
    preventOverflow: {
3634
      /** @prop {number} order=300 - Index used to define the order of execution */
3635
      order: 300,
3636
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3637
      enabled: true,
3638
      /** @prop {ModifierFn} */
3639
      fn: preventOverflow,
3640
      /**
3641
       * @prop {Array} [priority=['left','right','top','bottom']]
3642
       * Popper will try to prevent overflow following these priorities by default,
3643
       * then, it could overflow on the left and on top of the `boundariesElement`
3644
       */
3645
      priority: ['left', 'right', 'top', 'bottom'],
3646
      /**
3647
       * @prop {number} padding=5
3648
       * Amount of pixel used to define a minimum distance between the boundaries
3649
       * and the popper. This makes sure the popper always has a little padding
3650
       * between the edges of its container
3651
       */
3652
      padding: 5,
3653
      /**
3654
       * @prop {String|HTMLElement} boundariesElement='scrollParent'
3655
       * Boundaries used by the modifier. Can be `scrollParent`, `window`,
3656
       * `viewport` or any DOM element.
3657
       */
3658
      boundariesElement: 'scrollParent'
3659
    },
3660

3661
    /**
3662
     * Modifier used to make sure the reference and its popper stay near each other
3663
     * without leaving any gap between the two. Especially useful when the arrow is
3664
     * enabled and you want to ensure that it points to its reference element.
3665
     * It cares only about the first axis. You can still have poppers with margin
3666
     * between the popper and its reference element.
3667
     * @memberof modifiers
3668
     * @inner
3669
     */
3670
    keepTogether: {
3671
      /** @prop {number} order=400 - Index used to define the order of execution */
3672
      order: 400,
3673
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3674
      enabled: true,
3675
      /** @prop {ModifierFn} */
3676
      fn: keepTogether
3677
    },
3678

3679
    /**
3680
     * This modifier is used to move the `arrowElement` of the popper to make
3681
     * sure it is positioned between the reference element and its popper element.
3682
     * It will read the outer size of the `arrowElement` node to detect how many
3683
     * pixels of conjunction are needed.
3684
     *
3685
     * It has no effect if no `arrowElement` is provided.
3686
     * @memberof modifiers
3687
     * @inner
3688
     */
3689
    arrow: {
3690
      /** @prop {number} order=500 - Index used to define the order of execution */
3691
      order: 500,
3692
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3693
      enabled: true,
3694
      /** @prop {ModifierFn} */
3695
      fn: arrow,
3696
      /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */
3697
      element: '[x-arrow]'
3698
    },
3699

3700
    /**
3701
     * Modifier used to flip the popper's placement when it starts to overlap its
3702
     * reference element.
3703
     *
3704
     * Requires the `preventOverflow` modifier before it in order to work.
3705
     *
3706
     * **NOTE:** this modifier will interrupt the current update cycle and will
3707
     * restart it if it detects the need to flip the placement.
3708
     * @memberof modifiers
3709
     * @inner
3710
     */
3711
    flip: {
3712
      /** @prop {number} order=600 - Index used to define the order of execution */
3713
      order: 600,
3714
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3715
      enabled: true,
3716
      /** @prop {ModifierFn} */
3717
      fn: flip,
3718
      /**
3719
       * @prop {String|Array} behavior='flip'
3720
       * The behavior used to change the popper's placement. It can be one of
3721
       * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid
3722
       * placements (with optional variations)
3723
       */
3724
      behavior: 'flip',
3725
      /**
3726
       * @prop {number} padding=5
3727
       * The popper will flip if it hits the edges of the `boundariesElement`
3728
       */
3729
      padding: 5,
3730
      /**
3731
       * @prop {String|HTMLElement} boundariesElement='viewport'
3732
       * The element which will define the boundaries of the popper position.
3733
       * The popper will never be placed outside of the defined boundaries
3734
       * (except if `keepTogether` is enabled)
3735
       */
3736
      boundariesElement: 'viewport',
3737
      /**
3738
       * @prop {Boolean} flipVariations=false
3739
       * The popper will switch placement variation between `-start` and `-end` when
3740
       * the reference element overlaps its boundaries.
3741
       *
3742
       * The original placement should have a set variation.
3743
       */
3744
      flipVariations: false,
3745
      /**
3746
       * @prop {Boolean} flipVariationsByContent=false
3747
       * The popper will switch placement variation between `-start` and `-end` when
3748
       * the popper element overlaps its reference boundaries.
3749
       *
3750
       * The original placement should have a set variation.
3751
       */
3752
      flipVariationsByContent: false
3753
    },
3754

3755
    /**
3756
     * Modifier used to make the popper flow toward the inner of the reference element.
3757
     * By default, when this modifier is disabled, the popper will be placed outside
3758
     * the reference element.
3759
     * @memberof modifiers
3760
     * @inner
3761
     */
3762
    inner: {
3763
      /** @prop {number} order=700 - Index used to define the order of execution */
3764
      order: 700,
3765
      /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */
3766
      enabled: false,
3767
      /** @prop {ModifierFn} */
3768
      fn: inner
3769
    },
3770

3771
    /**
3772
     * Modifier used to hide the popper when its reference element is outside of the
3773
     * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
3774
     * be used to hide with a CSS selector the popper when its reference is
3775
     * out of boundaries.
3776
     *
3777
     * Requires the `preventOverflow` modifier before it in order to work.
3778
     * @memberof modifiers
3779
     * @inner
3780
     */
3781
    hide: {
3782
      /** @prop {number} order=800 - Index used to define the order of execution */
3783
      order: 800,
3784
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3785
      enabled: true,
3786
      /** @prop {ModifierFn} */
3787
      fn: hide
3788
    },
3789

3790
    /**
3791
     * Computes the style that will be applied to the popper element to gets
3792
     * properly positioned.
3793
     *
3794
     * Note that this modifier will not touch the DOM, it just prepares the styles
3795
     * so that `applyStyle` modifier can apply it. This separation is useful
3796
     * in case you need to replace `applyStyle` with a custom implementation.
3797
     *
3798
     * This modifier has `850` as `order` value to maintain backward compatibility
3799
     * with previous versions of Popper.js. Expect the modifiers ordering method
3800
     * to change in future major versions of the library.
3801
     *
3802
     * @memberof modifiers
3803
     * @inner
3804
     */
3805
    computeStyle: {
3806
      /** @prop {number} order=850 - Index used to define the order of execution */
3807
      order: 850,
3808
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3809
      enabled: true,
3810
      /** @prop {ModifierFn} */
3811
      fn: computeStyle,
3812
      /**
3813
       * @prop {Boolean} gpuAcceleration=true
3814
       * If true, it uses the CSS 3D transformation to position the popper.
3815
       * Otherwise, it will use the `top` and `left` properties
3816
       */
3817
      gpuAcceleration: true,
3818
      /**
3819
       * @prop {string} [x='bottom']
3820
       * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
3821
       * Change this if your popper should grow in a direction different from `bottom`
3822
       */
3823
      x: 'bottom',
3824
      /**
3825
       * @prop {string} [x='left']
3826
       * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
3827
       * Change this if your popper should grow in a direction different from `right`
3828
       */
3829
      y: 'right'
3830
    },
3831

3832
    /**
3833
     * Applies the computed styles to the popper element.
3834
     *
3835
     * All the DOM manipulations are limited to this modifier. This is useful in case
3836
     * you want to integrate Popper.js inside a framework or view library and you
3837
     * want to delegate all the DOM manipulations to it.
3838
     *
3839
     * Note that if you disable this modifier, you must make sure the popper element
3840
     * has its position set to `absolute` before Popper.js can do its work!
3841
     *
3842
     * Just disable this modifier and define your own to achieve the desired effect.
3843
     *
3844
     * @memberof modifiers
3845
     * @inner
3846
     */
3847
    applyStyle: {
3848
      /** @prop {number} order=900 - Index used to define the order of execution */
3849
      order: 900,
3850
      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
3851
      enabled: true,
3852
      /** @prop {ModifierFn} */
3853
      fn: applyStyle,
3854
      /** @prop {Function} */
3855
      onLoad: applyStyleOnLoad,
3856
      /**
3857
       * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
3858
       * @prop {Boolean} gpuAcceleration=true
3859
       * If true, it uses the CSS 3D transformation to position the popper.
3860
       * Otherwise, it will use the `top` and `left` properties
3861
       */
3862
      gpuAcceleration: undefined
3863
    }
3864
  };
3865

3866
  /**
3867
   * The `dataObject` is an object containing all the information used by Popper.js.
3868
   * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
3869
   * @name dataObject
3870
   * @property {Object} data.instance The Popper.js instance
3871
   * @property {String} data.placement Placement applied to popper
3872
   * @property {String} data.originalPlacement Placement originally defined on init
3873
   * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
3874
   * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper
3875
   * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
3876
   * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)
3877
   * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)
3878
   * @property {Object} data.boundaries Offsets of the popper boundaries
3879
   * @property {Object} data.offsets The measurements of popper, reference and arrow elements
3880
   * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values
3881
   * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values
3882
   * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0
3883
   */
3884

3885
  /**
3886
   * Default options provided to Popper.js constructor.<br />
3887
   * These can be overridden using the `options` argument of Popper.js.<br />
3888
   * To override an option, simply pass an object with the same
3889
   * structure of the `options` object, as the 3rd argument. For example:
3890
   * ```
3891
   * new Popper(ref, pop, {
3892
   *   modifiers: {
3893
   *     preventOverflow: { enabled: false }
3894
   *   }
3895
   * })
3896
   * ```
3897
   * @type {Object}
3898
   * @static
3899
   * @memberof Popper
3900
   */
3901
  var Defaults = {
3902
    /**
3903
     * Popper's placement.
3904
     * @prop {Popper.placements} placement='bottom'
3905
     */
3906
    placement: 'bottom',
3907

3908
    /**
3909
     * Set this to true if you want popper to position it self in 'fixed' mode
3910
     * @prop {Boolean} positionFixed=false
3911
     */
3912
    positionFixed: false,
3913

3914
    /**
3915
     * Whether events (resize, scroll) are initially enabled.
3916
     * @prop {Boolean} eventsEnabled=true
3917
     */
3918
    eventsEnabled: true,
3919

3920
    /**
3921
     * Set to true if you want to automatically remove the popper when
3922
     * you call the `destroy` method.
3923
     * @prop {Boolean} removeOnDestroy=false
3924
     */
3925
    removeOnDestroy: false,
3926

3927
    /**
3928
     * Callback called when the popper is created.<br />
3929
     * By default, it is set to no-op.<br />
3930
     * Access Popper.js instance with `data.instance`.
3931
     * @prop {onCreate}
3932
     */
3933
    onCreate: function onCreate() {},
3934

3935
    /**
3936
     * Callback called when the popper is updated. This callback is not called
3937
     * on the initialization/creation of the popper, but only on subsequent
3938
     * updates.<br />
3939
     * By default, it is set to no-op.<br />
3940
     * Access Popper.js instance with `data.instance`.
3941
     * @prop {onUpdate}
3942
     */
3943
    onUpdate: function onUpdate() {},
3944

3945
    /**
3946
     * List of modifiers used to modify the offsets before they are applied to the popper.
3947
     * They provide most of the functionalities of Popper.js.
3948
     * @prop {modifiers}
3949
     */
3950
    modifiers: modifiers
3951
  };
3952

3953
  /**
3954
   * @callback onCreate
3955
   * @param {dataObject} data
3956
   */
3957

3958
  /**
3959
   * @callback onUpdate
3960
   * @param {dataObject} data
3961
   */
3962

3963
  // Utils
3964
  // Methods
3965
  var Popper = function () {
3966
    /**
3967
     * Creates a new Popper.js instance.
3968
     * @class Popper
3969
     * @param {Element|referenceObject} reference - The reference element used to position the popper
3970
     * @param {Element} popper - The HTML / XML element used as the popper
3971
     * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)
3972
     * @return {Object} instance - The generated Popper.js instance
3973
     */
3974
    function Popper(reference, popper) {
3975
      var _this = this;
3976

3977
      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
3978
      classCallCheck(this, Popper);
3979

3980
      this.scheduleUpdate = function () {
3981
        return requestAnimationFrame(_this.update);
3982
      };
3983

3984
      // make update() debounced, so that it only runs at most once-per-tick
3985
      this.update = debounce(this.update.bind(this));
3986

3987
      // with {} we create a new object with the options inside it
3988
      this.options = _extends({}, Popper.Defaults, options);
3989

3990
      // init state
3991
      this.state = {
3992
        isDestroyed: false,
3993
        isCreated: false,
3994
        scrollParents: []
3995
      };
3996

3997
      // get reference and popper elements (allow jQuery wrappers)
3998
      this.reference = reference && reference.jquery ? reference[0] : reference;
3999
      this.popper = popper && popper.jquery ? popper[0] : popper;
4000

4001
      // Deep merge modifiers options
4002
      this.options.modifiers = {};
4003
      Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {
4004
        _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});
4005
      });
4006

4007
      // Refactoring modifiers' list (Object => Array)
4008
      this.modifiers = Object.keys(this.options.modifiers).map(function (name) {
4009
        return _extends({
4010
          name: name
4011
        }, _this.options.modifiers[name]);
4012
      })
4013
      // sort the modifiers by order
4014
      .sort(function (a, b) {
4015
        return a.order - b.order;
4016
      });
4017

4018
      // modifiers have the ability to execute arbitrary code when Popper.js get inited
4019
      // such code is executed in the same order of its modifier
4020
      // they could add new properties to their options configuration
4021
      // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!
4022
      this.modifiers.forEach(function (modifierOptions) {
4023
        if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {
4024
          modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);
4025
        }
4026
      });
4027

4028
      // fire the first update to position the popper in the right place
4029
      this.update();
4030

4031
      var eventsEnabled = this.options.eventsEnabled;
4032
      if (eventsEnabled) {
4033
        // setup event listeners, they will take care of update the position in specific situations
4034
        this.enableEventListeners();
4035
      }
4036

4037
      this.state.eventsEnabled = eventsEnabled;
4038
    }
4039

4040
    // We can't use class properties because they don't get listed in the
4041
    // class prototype and break stuff like Sinon stubs
4042

4043

4044
    createClass(Popper, [{
4045
      key: 'update',
4046
      value: function update$$1() {
4047
        return update.call(this);
4048
      }
4049
    }, {
4050
      key: 'destroy',
4051
      value: function destroy$$1() {
4052
        return destroy.call(this);
4053
      }
4054
    }, {
4055
      key: 'enableEventListeners',
4056
      value: function enableEventListeners$$1() {
4057
        return enableEventListeners.call(this);
4058
      }
4059
    }, {
4060
      key: 'disableEventListeners',
4061
      value: function disableEventListeners$$1() {
4062
        return disableEventListeners.call(this);
4063
      }
4064

4065
      /**
4066
       * Schedules an update. It will run on the next UI update available.
4067
       * @method scheduleUpdate
4068
       * @memberof Popper
4069
       */
4070

4071

4072
      /**
4073
       * Collection of utilities useful when writing custom modifiers.
4074
       * Starting from version 1.7, this method is available only if you
4075
       * include `popper-utils.js` before `popper.js`.
4076
       *
4077
       * **DEPRECATION**: This way to access PopperUtils is deprecated
4078
       * and will be removed in v2! Use the PopperUtils module directly instead.
4079
       * Due to the high instability of the methods contained in Utils, we can't
4080
       * guarantee them to follow semver. Use them at your own risk!
4081
       * @static
4082
       * @private
4083
       * @type {Object}
4084
       * @deprecated since version 1.8
4085
       * @member Utils
4086
       * @memberof Popper
4087
       */
4088

4089
    }]);
4090
    return Popper;
4091
  }();
4092

4093
  /**
4094
   * The `referenceObject` is an object that provides an interface compatible with Popper.js
4095
   * and lets you use it as replacement of a real DOM node.<br />
4096
   * You can use this method to position a popper relatively to a set of coordinates
4097
   * in case you don't have a DOM node to use as reference.
4098
   *
4099
   * ```
4100
   * new Popper(referenceObject, popperNode);
4101
   * ```
4102
   *
4103
   * NB: This feature isn't supported in Internet Explorer 10.
4104
   * @name referenceObject
4105
   * @property {Function} data.getBoundingClientRect
4106
   * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.
4107
   * @property {number} data.clientWidth
4108
   * An ES6 getter that will return the width of the virtual reference element.
4109
   * @property {number} data.clientHeight
4110
   * An ES6 getter that will return the height of the virtual reference element.
4111
   */
4112

4113

4114
  Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;
4115
  Popper.placements = placements;
4116
  Popper.Defaults = Defaults;
4117

4118
  var Popper$1 = Popper;
4119

4120
  /**
4121
   * Constants
4122
   */
4123

4124
  var NAME$6 = 'dropdown';
4125
  var VERSION$6 = '4.6.1';
4126
  var DATA_KEY$6 = 'bs.dropdown';
4127
  var EVENT_KEY$6 = "." + DATA_KEY$6;
4128
  var DATA_API_KEY$3 = '.data-api';
4129
  var JQUERY_NO_CONFLICT$6 = $__default["default"].fn[NAME$6];
4130
  var ESCAPE_KEYCODE$1 = 27; // KeyboardEvent.which value for Escape (Esc) key
4131

4132
  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
4133

4134
  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
4135

4136
  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
4137

4138
  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
4139

4140
  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
4141

4142
  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE$1);
4143
  var CLASS_NAME_DISABLED$1 = 'disabled';
4144
  var CLASS_NAME_SHOW$5 = 'show';
4145
  var CLASS_NAME_DROPUP = 'dropup';
4146
  var CLASS_NAME_DROPRIGHT = 'dropright';
4147
  var CLASS_NAME_DROPLEFT = 'dropleft';
4148
  var CLASS_NAME_MENURIGHT = 'dropdown-menu-right';
4149
  var CLASS_NAME_POSITION_STATIC = 'position-static';
4150
  var EVENT_HIDE$3 = "hide" + EVENT_KEY$6;
4151
  var EVENT_HIDDEN$3 = "hidden" + EVENT_KEY$6;
4152
  var EVENT_SHOW$3 = "show" + EVENT_KEY$6;
4153
  var EVENT_SHOWN$3 = "shown" + EVENT_KEY$6;
4154
  var EVENT_CLICK = "click" + EVENT_KEY$6;
4155
  var EVENT_CLICK_DATA_API$2 = "click" + EVENT_KEY$6 + DATA_API_KEY$3;
4156
  var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY$6 + DATA_API_KEY$3;
4157
  var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY$6 + DATA_API_KEY$3;
4158
  var SELECTOR_DATA_TOGGLE$2 = '[data-toggle="dropdown"]';
4159
  var SELECTOR_FORM_CHILD = '.dropdown form';
4160
  var SELECTOR_MENU = '.dropdown-menu';
4161
  var SELECTOR_NAVBAR_NAV = '.navbar-nav';
4162
  var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
4163
  var PLACEMENT_TOP = 'top-start';
4164
  var PLACEMENT_TOPEND = 'top-end';
4165
  var PLACEMENT_BOTTOM = 'bottom-start';
4166
  var PLACEMENT_BOTTOMEND = 'bottom-end';
4167
  var PLACEMENT_RIGHT = 'right-start';
4168
  var PLACEMENT_LEFT = 'left-start';
4169
  var Default$5 = {
4170
    offset: 0,
4171
    flip: true,
4172
    boundary: 'scrollParent',
4173
    reference: 'toggle',
4174
    display: 'dynamic',
4175
    popperConfig: null
4176
  };
4177
  var DefaultType$5 = {
4178
    offset: '(number|string|function)',
4179
    flip: 'boolean',
4180
    boundary: '(string|element)',
4181
    reference: '(string|element)',
4182
    display: 'string',
4183
    popperConfig: '(null|object)'
4184
  };
4185
  /**
4186
   * Class definition
4187
   */
4188

4189
  var Dropdown = /*#__PURE__*/function () {
4190
    function Dropdown(element, config) {
4191
      this._element = element;
4192
      this._popper = null;
4193
      this._config = this._getConfig(config);
4194
      this._menu = this._getMenuElement();
4195
      this._inNavbar = this._detectNavbar();
4196

4197
      this._addEventListeners();
4198
    } // Getters
4199

4200

4201
    var _proto = Dropdown.prototype;
4202

4203
    // Public
4204
    _proto.toggle = function toggle() {
4205
      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED$1)) {
4206
        return;
4207
      }
4208

4209
      var isActive = $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW$5);
4210

4211
      Dropdown._clearMenus();
4212

4213
      if (isActive) {
4214
        return;
4215
      }
4216

4217
      this.show(true);
4218
    };
4219

4220
    _proto.show = function show(usePopper) {
4221
      if (usePopper === void 0) {
4222
        usePopper = false;
4223
      }
4224

4225
      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED$1) || $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW$5)) {
4226
        return;
4227
      }
4228

4229
      var relatedTarget = {
4230
        relatedTarget: this._element
4231
      };
4232
      var showEvent = $__default["default"].Event(EVENT_SHOW$3, relatedTarget);
4233

4234
      var parent = Dropdown._getParentFromElement(this._element);
4235

4236
      $__default["default"](parent).trigger(showEvent);
4237

4238
      if (showEvent.isDefaultPrevented()) {
4239
        return;
4240
      } // Totally disable Popper for Dropdowns in Navbar
4241

4242

4243
      if (!this._inNavbar && usePopper) {
4244
        // Check for Popper dependency
4245
        if (typeof Popper$1 === 'undefined') {
4246
          throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)');
4247
        }
4248

4249
        var referenceElement = this._element;
4250

4251
        if (this._config.reference === 'parent') {
4252
          referenceElement = parent;
4253
        } else if (Util.isElement(this._config.reference)) {
4254
          referenceElement = this._config.reference; // Check if it's jQuery element
4255

4256
          if (typeof this._config.reference.jquery !== 'undefined') {
4257
            referenceElement = this._config.reference[0];
4258
          }
4259
        } // If boundary is not `scrollParent`, then set position to `static`
4260
        // to allow the menu to "escape" the scroll parent's boundaries
4261
        // https://github.com/twbs/bootstrap/issues/24251
4262

4263

4264
        if (this._config.boundary !== 'scrollParent') {
4265
          $__default["default"](parent).addClass(CLASS_NAME_POSITION_STATIC);
4266
        }
4267

4268
        this._popper = new Popper$1(referenceElement, this._menu, this._getPopperConfig());
4269
      } // If this is a touch-enabled device we add extra
4270
      // empty mouseover listeners to the body's immediate children;
4271
      // only needed because of broken event delegation on iOS
4272
      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
4273

4274

4275
      if ('ontouchstart' in document.documentElement && $__default["default"](parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {
4276
        $__default["default"](document.body).children().on('mouseover', null, $__default["default"].noop);
4277
      }
4278

4279
      this._element.focus();
4280

4281
      this._element.setAttribute('aria-expanded', true);
4282

4283
      $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW$5);
4284
      $__default["default"](parent).toggleClass(CLASS_NAME_SHOW$5).trigger($__default["default"].Event(EVENT_SHOWN$3, relatedTarget));
4285
    };
4286

4287
    _proto.hide = function hide() {
4288
      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED$1) || !$__default["default"](this._menu).hasClass(CLASS_NAME_SHOW$5)) {
4289
        return;
4290
      }
4291

4292
      var relatedTarget = {
4293
        relatedTarget: this._element
4294
      };
4295
      var hideEvent = $__default["default"].Event(EVENT_HIDE$3, relatedTarget);
4296

4297
      var parent = Dropdown._getParentFromElement(this._element);
4298

4299
      $__default["default"](parent).trigger(hideEvent);
4300

4301
      if (hideEvent.isDefaultPrevented()) {
4302
        return;
4303
      }
4304

4305
      if (this._popper) {
4306
        this._popper.destroy();
4307
      }
4308

4309
      $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW$5);
4310
      $__default["default"](parent).toggleClass(CLASS_NAME_SHOW$5).trigger($__default["default"].Event(EVENT_HIDDEN$3, relatedTarget));
4311
    };
4312

4313
    _proto.dispose = function dispose() {
4314
      $__default["default"].removeData(this._element, DATA_KEY$6);
4315
      $__default["default"](this._element).off(EVENT_KEY$6);
4316
      this._element = null;
4317
      this._menu = null;
4318

4319
      if (this._popper !== null) {
4320
        this._popper.destroy();
4321

4322
        this._popper = null;
4323
      }
4324
    };
4325

4326
    _proto.update = function update() {
4327
      this._inNavbar = this._detectNavbar();
4328

4329
      if (this._popper !== null) {
4330
        this._popper.scheduleUpdate();
4331
      }
4332
    } // Private
4333
    ;
4334

4335
    _proto._addEventListeners = function _addEventListeners() {
4336
      var _this = this;
4337

4338
      $__default["default"](this._element).on(EVENT_CLICK, function (event) {
4339
        event.preventDefault();
4340
        event.stopPropagation();
4341

4342
        _this.toggle();
4343
      });
4344
    };
4345

4346
    _proto._getConfig = function _getConfig(config) {
4347
      config = _extends$1({}, this.constructor.Default, $__default["default"](this._element).data(), config);
4348
      Util.typeCheckConfig(NAME$6, config, this.constructor.DefaultType);
4349
      return config;
4350
    };
4351

4352
    _proto._getMenuElement = function _getMenuElement() {
4353
      if (!this._menu) {
4354
        var parent = Dropdown._getParentFromElement(this._element);
4355

4356
        if (parent) {
4357
          this._menu = parent.querySelector(SELECTOR_MENU);
4358
        }
4359
      }
4360

4361
      return this._menu;
4362
    };
4363

4364
    _proto._getPlacement = function _getPlacement() {
4365
      var $parentDropdown = $__default["default"](this._element.parentNode);
4366
      var placement = PLACEMENT_BOTTOM; // Handle dropup
4367

4368
      if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {
4369
        placement = $__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT) ? PLACEMENT_TOPEND : PLACEMENT_TOP;
4370
      } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {
4371
        placement = PLACEMENT_RIGHT;
4372
      } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {
4373
        placement = PLACEMENT_LEFT;
4374
      } else if ($__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT)) {
4375
        placement = PLACEMENT_BOTTOMEND;
4376
      }
4377

4378
      return placement;
4379
    };
4380

4381
    _proto._detectNavbar = function _detectNavbar() {
4382
      return $__default["default"](this._element).closest('.navbar').length > 0;
4383
    };
4384

4385
    _proto._getOffset = function _getOffset() {
4386
      var _this2 = this;
4387

4388
      var offset = {};
4389

4390
      if (typeof this._config.offset === 'function') {
4391
        offset.fn = function (data) {
4392
          data.offsets = _extends$1({}, data.offsets, _this2._config.offset(data.offsets, _this2._element));
4393
          return data;
4394
        };
4395
      } else {
4396
        offset.offset = this._config.offset;
4397
      }
4398

4399
      return offset;
4400
    };
4401

4402
    _proto._getPopperConfig = function _getPopperConfig() {
4403
      var popperConfig = {
4404
        placement: this._getPlacement(),
4405
        modifiers: {
4406
          offset: this._getOffset(),
4407
          flip: {
4408
            enabled: this._config.flip
4409
          },
4410
          preventOverflow: {
4411
            boundariesElement: this._config.boundary
4412
          }
4413
        }
4414
      }; // Disable Popper if we have a static display
4415

4416
      if (this._config.display === 'static') {
4417
        popperConfig.modifiers.applyStyle = {
4418
          enabled: false
4419
        };
4420
      }
4421

4422
      return _extends$1({}, popperConfig, this._config.popperConfig);
4423
    } // Static
4424
    ;
4425

4426
    Dropdown._jQueryInterface = function _jQueryInterface(config) {
4427
      return this.each(function () {
4428
        var data = $__default["default"](this).data(DATA_KEY$6);
4429

4430
        var _config = typeof config === 'object' ? config : null;
4431

4432
        if (!data) {
4433
          data = new Dropdown(this, _config);
4434
          $__default["default"](this).data(DATA_KEY$6, data);
4435
        }
4436

4437
        if (typeof config === 'string') {
4438
          if (typeof data[config] === 'undefined') {
4439
            throw new TypeError("No method named \"" + config + "\"");
4440
          }
4441

4442
          data[config]();
4443
        }
4444
      });
4445
    };
4446

4447
    Dropdown._clearMenus = function _clearMenus(event) {
4448
      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
4449
        return;
4450
      }
4451

4452
      var toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE$2));
4453

4454
      for (var i = 0, len = toggles.length; i < len; i++) {
4455
        var parent = Dropdown._getParentFromElement(toggles[i]);
4456

4457
        var context = $__default["default"](toggles[i]).data(DATA_KEY$6);
4458
        var relatedTarget = {
4459
          relatedTarget: toggles[i]
4460
        };
4461

4462
        if (event && event.type === 'click') {
4463
          relatedTarget.clickEvent = event;
4464
        }
4465

4466
        if (!context) {
4467
          continue;
4468
        }
4469

4470
        var dropdownMenu = context._menu;
4471

4472
        if (!$__default["default"](parent).hasClass(CLASS_NAME_SHOW$5)) {
4473
          continue;
4474
        }
4475

4476
        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $__default["default"].contains(parent, event.target)) {
4477
          continue;
4478
        }
4479

4480
        var hideEvent = $__default["default"].Event(EVENT_HIDE$3, relatedTarget);
4481
        $__default["default"](parent).trigger(hideEvent);
4482

4483
        if (hideEvent.isDefaultPrevented()) {
4484
          continue;
4485
        } // If this is a touch-enabled device we remove the extra
4486
        // empty mouseover listeners we added for iOS support
4487

4488

4489
        if ('ontouchstart' in document.documentElement) {
4490
          $__default["default"](document.body).children().off('mouseover', null, $__default["default"].noop);
4491
        }
4492

4493
        toggles[i].setAttribute('aria-expanded', 'false');
4494

4495
        if (context._popper) {
4496
          context._popper.destroy();
4497
        }
4498

4499
        $__default["default"](dropdownMenu).removeClass(CLASS_NAME_SHOW$5);
4500
        $__default["default"](parent).removeClass(CLASS_NAME_SHOW$5).trigger($__default["default"].Event(EVENT_HIDDEN$3, relatedTarget));
4501
      }
4502
    };
4503

4504
    Dropdown._getParentFromElement = function _getParentFromElement(element) {
4505
      var parent;
4506
      var selector = Util.getSelectorFromElement(element);
4507

4508
      if (selector) {
4509
        parent = document.querySelector(selector);
4510
      }
4511

4512
      return parent || element.parentNode;
4513
    } // eslint-disable-next-line complexity
4514
    ;
4515

4516
    Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
4517
      // If not input/textarea:
4518
      //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
4519
      // If input/textarea:
4520
      //  - If space key => not a dropdown command
4521
      //  - If key is other than escape
4522
      //    - If key is not up or down => not a dropdown command
4523
      //    - If trigger inside the menu => not a dropdown command
4524
      if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE$1 && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $__default["default"](event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
4525
        return;
4526
      }
4527

4528
      if (this.disabled || $__default["default"](this).hasClass(CLASS_NAME_DISABLED$1)) {
4529
        return;
4530
      }
4531

4532
      var parent = Dropdown._getParentFromElement(this);
4533

4534
      var isActive = $__default["default"](parent).hasClass(CLASS_NAME_SHOW$5);
4535

4536
      if (!isActive && event.which === ESCAPE_KEYCODE$1) {
4537
        return;
4538
      }
4539

4540
      event.preventDefault();
4541
      event.stopPropagation();
4542

4543
      if (!isActive || event.which === ESCAPE_KEYCODE$1 || event.which === SPACE_KEYCODE) {
4544
        if (event.which === ESCAPE_KEYCODE$1) {
4545
          $__default["default"](parent.querySelector(SELECTOR_DATA_TOGGLE$2)).trigger('focus');
4546
        }
4547

4548
        $__default["default"](this).trigger('click');
4549
        return;
4550
      }
4551

4552
      var items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS)).filter(function (item) {
4553
        return $__default["default"](item).is(':visible');
4554
      });
4555

4556
      if (items.length === 0) {
4557
        return;
4558
      }
4559

4560
      var index = items.indexOf(event.target);
4561

4562
      if (event.which === ARROW_UP_KEYCODE && index > 0) {
4563
        // Up
4564
        index--;
4565
      }
4566

4567
      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
4568
        // Down
4569
        index++;
4570
      }
4571

4572
      if (index < 0) {
4573
        index = 0;
4574
      }
4575

4576
      items[index].focus();
4577
    };
4578

4579
    _createClass(Dropdown, null, [{
4580
      key: "VERSION",
4581
      get: function get() {
4582
        return VERSION$6;
4583
      }
4584
    }, {
4585
      key: "Default",
4586
      get: function get() {
4587
        return Default$5;
4588
      }
4589
    }, {
4590
      key: "DefaultType",
4591
      get: function get() {
4592
        return DefaultType$5;
4593
      }
4594
    }]);
4595

4596
    return Dropdown;
4597
  }();
4598
  /**
4599
   * Data API implementation
4600
   */
4601

4602

4603
  $__default["default"](document).on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE$2, Dropdown._dataApiKeydownHandler).on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler).on(EVENT_CLICK_DATA_API$2 + " " + EVENT_KEYUP_DATA_API, Dropdown._clearMenus).on(EVENT_CLICK_DATA_API$2, SELECTOR_DATA_TOGGLE$2, function (event) {
4604
    event.preventDefault();
4605
    event.stopPropagation();
4606

4607
    Dropdown._jQueryInterface.call($__default["default"](this), 'toggle');
4608
  }).on(EVENT_CLICK_DATA_API$2, SELECTOR_FORM_CHILD, function (e) {
4609
    e.stopPropagation();
4610
  });
4611
  /**
4612
   * jQuery
4613
   */
4614

4615
  $__default["default"].fn[NAME$6] = Dropdown._jQueryInterface;
4616
  $__default["default"].fn[NAME$6].Constructor = Dropdown;
4617

4618
  $__default["default"].fn[NAME$6].noConflict = function () {
4619
    $__default["default"].fn[NAME$6] = JQUERY_NO_CONFLICT$6;
4620
    return Dropdown._jQueryInterface;
4621
  };
4622

4623
  /**
4624
   * Constants
4625
   */
4626

4627
  var NAME$5 = 'modal';
4628
  var VERSION$5 = '4.6.1';
4629
  var DATA_KEY$5 = 'bs.modal';
4630
  var EVENT_KEY$5 = "." + DATA_KEY$5;
4631
  var DATA_API_KEY$2 = '.data-api';
4632
  var JQUERY_NO_CONFLICT$5 = $__default["default"].fn[NAME$5];
4633
  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
4634

4635
  var CLASS_NAME_SCROLLABLE = 'modal-dialog-scrollable';
4636
  var CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure';
4637
  var CLASS_NAME_BACKDROP = 'modal-backdrop';
4638
  var CLASS_NAME_OPEN = 'modal-open';
4639
  var CLASS_NAME_FADE$4 = 'fade';
4640
  var CLASS_NAME_SHOW$4 = 'show';
4641
  var CLASS_NAME_STATIC = 'modal-static';
4642
  var EVENT_HIDE$2 = "hide" + EVENT_KEY$5;
4643
  var EVENT_HIDE_PREVENTED = "hidePrevented" + EVENT_KEY$5;
4644
  var EVENT_HIDDEN$2 = "hidden" + EVENT_KEY$5;
4645
  var EVENT_SHOW$2 = "show" + EVENT_KEY$5;
4646
  var EVENT_SHOWN$2 = "shown" + EVENT_KEY$5;
4647
  var EVENT_FOCUSIN = "focusin" + EVENT_KEY$5;
4648
  var EVENT_RESIZE = "resize" + EVENT_KEY$5;
4649
  var EVENT_CLICK_DISMISS$1 = "click.dismiss" + EVENT_KEY$5;
4650
  var EVENT_KEYDOWN_DISMISS = "keydown.dismiss" + EVENT_KEY$5;
4651
  var EVENT_MOUSEUP_DISMISS = "mouseup.dismiss" + EVENT_KEY$5;
4652
  var EVENT_MOUSEDOWN_DISMISS = "mousedown.dismiss" + EVENT_KEY$5;
4653
  var EVENT_CLICK_DATA_API$1 = "click" + EVENT_KEY$5 + DATA_API_KEY$2;
4654
  var SELECTOR_DIALOG = '.modal-dialog';
4655
  var SELECTOR_MODAL_BODY = '.modal-body';
4656
  var SELECTOR_DATA_TOGGLE$1 = '[data-toggle="modal"]';
4657
  var SELECTOR_DATA_DISMISS$1 = '[data-dismiss="modal"]';
4658
  var SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
4659
  var SELECTOR_STICKY_CONTENT = '.sticky-top';
4660
  var Default$4 = {
4661
    backdrop: true,
4662
    keyboard: true,
4663
    focus: true,
4664
    show: true
4665
  };
4666
  var DefaultType$4 = {
4667
    backdrop: '(boolean|string)',
4668
    keyboard: 'boolean',
4669
    focus: 'boolean',
4670
    show: 'boolean'
4671
  };
4672
  /**
4673
   * Class definition
4674
   */
4675

4676
  var Modal = /*#__PURE__*/function () {
4677
    function Modal(element, config) {
4678
      this._config = this._getConfig(config);
4679
      this._element = element;
4680
      this._dialog = element.querySelector(SELECTOR_DIALOG);
4681
      this._backdrop = null;
4682
      this._isShown = false;
4683
      this._isBodyOverflowing = false;
4684
      this._ignoreBackdropClick = false;
4685
      this._isTransitioning = false;
4686
      this._scrollbarWidth = 0;
4687
    } // Getters
4688

4689

4690
    var _proto = Modal.prototype;
4691

4692
    // Public
4693
    _proto.toggle = function toggle(relatedTarget) {
4694
      return this._isShown ? this.hide() : this.show(relatedTarget);
4695
    };
4696

4697
    _proto.show = function show(relatedTarget) {
4698
      var _this = this;
4699

4700
      if (this._isShown || this._isTransitioning) {
4701
        return;
4702
      }
4703

4704
      var showEvent = $__default["default"].Event(EVENT_SHOW$2, {
4705
        relatedTarget: relatedTarget
4706
      });
4707
      $__default["default"](this._element).trigger(showEvent);
4708

4709
      if (showEvent.isDefaultPrevented()) {
4710
        return;
4711
      }
4712

4713
      this._isShown = true;
4714

4715
      if ($__default["default"](this._element).hasClass(CLASS_NAME_FADE$4)) {
4716
        this._isTransitioning = true;
4717
      }
4718

4719
      this._checkScrollbar();
4720

4721
      this._setScrollbar();
4722

4723
      this._adjustDialog();
4724

4725
      this._setEscapeEvent();
4726

4727
      this._setResizeEvent();
4728

4729
      $__default["default"](this._element).on(EVENT_CLICK_DISMISS$1, SELECTOR_DATA_DISMISS$1, function (event) {
4730
        return _this.hide(event);
4731
      });
4732
      $__default["default"](this._dialog).on(EVENT_MOUSEDOWN_DISMISS, function () {
4733
        $__default["default"](_this._element).one(EVENT_MOUSEUP_DISMISS, function (event) {
4734
          if ($__default["default"](event.target).is(_this._element)) {
4735
            _this._ignoreBackdropClick = true;
4736
          }
4737
        });
4738
      });
4739

4740
      this._showBackdrop(function () {
4741
        return _this._showElement(relatedTarget);
4742
      });
4743
    };
4744

4745
    _proto.hide = function hide(event) {
4746
      var _this2 = this;
4747

4748
      if (event) {
4749
        event.preventDefault();
4750
      }
4751

4752
      if (!this._isShown || this._isTransitioning) {
4753
        return;
4754
      }
4755

4756
      var hideEvent = $__default["default"].Event(EVENT_HIDE$2);
4757
      $__default["default"](this._element).trigger(hideEvent);
4758

4759
      if (!this._isShown || hideEvent.isDefaultPrevented()) {
4760
        return;
4761
      }
4762

4763
      this._isShown = false;
4764
      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE$4);
4765

4766
      if (transition) {
4767
        this._isTransitioning = true;
4768
      }
4769

4770
      this._setEscapeEvent();
4771

4772
      this._setResizeEvent();
4773

4774
      $__default["default"](document).off(EVENT_FOCUSIN);
4775
      $__default["default"](this._element).removeClass(CLASS_NAME_SHOW$4);
4776
      $__default["default"](this._element).off(EVENT_CLICK_DISMISS$1);
4777
      $__default["default"](this._dialog).off(EVENT_MOUSEDOWN_DISMISS);
4778

4779
      if (transition) {
4780
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
4781
        $__default["default"](this._element).one(Util.TRANSITION_END, function (event) {
4782
          return _this2._hideModal(event);
4783
        }).emulateTransitionEnd(transitionDuration);
4784
      } else {
4785
        this._hideModal();
4786
      }
4787
    };
4788

4789
    _proto.dispose = function dispose() {
4790
      [window, this._element, this._dialog].forEach(function (htmlElement) {
4791
        return $__default["default"](htmlElement).off(EVENT_KEY$5);
4792
      });
4793
      /**
4794
       * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
4795
       * Do not move `document` in `htmlElements` array
4796
       * It will remove `EVENT_CLICK_DATA_API` event that should remain
4797
       */
4798

4799
      $__default["default"](document).off(EVENT_FOCUSIN);
4800
      $__default["default"].removeData(this._element, DATA_KEY$5);
4801
      this._config = null;
4802
      this._element = null;
4803
      this._dialog = null;
4804
      this._backdrop = null;
4805
      this._isShown = null;
4806
      this._isBodyOverflowing = null;
4807
      this._ignoreBackdropClick = null;
4808
      this._isTransitioning = null;
4809
      this._scrollbarWidth = null;
4810
    };
4811

4812
    _proto.handleUpdate = function handleUpdate() {
4813
      this._adjustDialog();
4814
    } // Private
4815
    ;
4816

4817
    _proto._getConfig = function _getConfig(config) {
4818
      config = _extends$1({}, Default$4, config);
4819
      Util.typeCheckConfig(NAME$5, config, DefaultType$4);
4820
      return config;
4821
    };
4822

4823
    _proto._triggerBackdropTransition = function _triggerBackdropTransition() {
4824
      var _this3 = this;
4825

4826
      var hideEventPrevented = $__default["default"].Event(EVENT_HIDE_PREVENTED);
4827
      $__default["default"](this._element).trigger(hideEventPrevented);
4828

4829
      if (hideEventPrevented.isDefaultPrevented()) {
4830
        return;
4831
      }
4832

4833
      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
4834

4835
      if (!isModalOverflowing) {
4836
        this._element.style.overflowY = 'hidden';
4837
      }
4838

4839
      this._element.classList.add(CLASS_NAME_STATIC);
4840

4841
      var modalTransitionDuration = Util.getTransitionDurationFromElement(this._dialog);
4842
      $__default["default"](this._element).off(Util.TRANSITION_END);
4843
      $__default["default"](this._element).one(Util.TRANSITION_END, function () {
4844
        _this3._element.classList.remove(CLASS_NAME_STATIC);
4845

4846
        if (!isModalOverflowing) {
4847
          $__default["default"](_this3._element).one(Util.TRANSITION_END, function () {
4848
            _this3._element.style.overflowY = '';
4849
          }).emulateTransitionEnd(_this3._element, modalTransitionDuration);
4850
        }
4851
      }).emulateTransitionEnd(modalTransitionDuration);
4852

4853
      this._element.focus();
4854
    };
4855

4856
    _proto._showElement = function _showElement(relatedTarget) {
4857
      var _this4 = this;
4858

4859
      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE$4);
4860
      var modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null;
4861

4862
      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
4863
        // Don't move modal's DOM position
4864
        document.body.appendChild(this._element);
4865
      }
4866

4867
      this._element.style.display = 'block';
4868

4869
      this._element.removeAttribute('aria-hidden');
4870

4871
      this._element.setAttribute('aria-modal', true);
4872

4873
      this._element.setAttribute('role', 'dialog');
4874

4875
      if ($__default["default"](this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {
4876
        modalBody.scrollTop = 0;
4877
      } else {
4878
        this._element.scrollTop = 0;
4879
      }
4880

4881
      if (transition) {
4882
        Util.reflow(this._element);
4883
      }
4884

4885
      $__default["default"](this._element).addClass(CLASS_NAME_SHOW$4);
4886

4887
      if (this._config.focus) {
4888
        this._enforceFocus();
4889
      }
4890

4891
      var shownEvent = $__default["default"].Event(EVENT_SHOWN$2, {
4892
        relatedTarget: relatedTarget
4893
      });
4894

4895
      var transitionComplete = function transitionComplete() {
4896
        if (_this4._config.focus) {
4897
          _this4._element.focus();
4898
        }
4899

4900
        _this4._isTransitioning = false;
4901
        $__default["default"](_this4._element).trigger(shownEvent);
4902
      };
4903

4904
      if (transition) {
4905
        var transitionDuration = Util.getTransitionDurationFromElement(this._dialog);
4906
        $__default["default"](this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
4907
      } else {
4908
        transitionComplete();
4909
      }
4910
    };
4911

4912
    _proto._enforceFocus = function _enforceFocus() {
4913
      var _this5 = this;
4914

4915
      $__default["default"](document).off(EVENT_FOCUSIN) // Guard against infinite focus loop
4916
      .on(EVENT_FOCUSIN, function (event) {
4917
        if (document !== event.target && _this5._element !== event.target && $__default["default"](_this5._element).has(event.target).length === 0) {
4918
          _this5._element.focus();
4919
        }
4920
      });
4921
    };
4922

4923
    _proto._setEscapeEvent = function _setEscapeEvent() {
4924
      var _this6 = this;
4925

4926
      if (this._isShown) {
4927
        $__default["default"](this._element).on(EVENT_KEYDOWN_DISMISS, function (event) {
4928
          if (_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {
4929
            event.preventDefault();
4930

4931
            _this6.hide();
4932
          } else if (!_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {
4933
            _this6._triggerBackdropTransition();
4934
          }
4935
        });
4936
      } else if (!this._isShown) {
4937
        $__default["default"](this._element).off(EVENT_KEYDOWN_DISMISS);
4938
      }
4939
    };
4940

4941
    _proto._setResizeEvent = function _setResizeEvent() {
4942
      var _this7 = this;
4943

4944
      if (this._isShown) {
4945
        $__default["default"](window).on(EVENT_RESIZE, function (event) {
4946
          return _this7.handleUpdate(event);
4947
        });
4948
      } else {
4949
        $__default["default"](window).off(EVENT_RESIZE);
4950
      }
4951
    };
4952

4953
    _proto._hideModal = function _hideModal() {
4954
      var _this8 = this;
4955

4956
      this._element.style.display = 'none';
4957

4958
      this._element.setAttribute('aria-hidden', true);
4959

4960
      this._element.removeAttribute('aria-modal');
4961

4962
      this._element.removeAttribute('role');
4963

4964
      this._isTransitioning = false;
4965

4966
      this._showBackdrop(function () {
4967
        $__default["default"](document.body).removeClass(CLASS_NAME_OPEN);
4968

4969
        _this8._resetAdjustments();
4970

4971
        _this8._resetScrollbar();
4972

4973
        $__default["default"](_this8._element).trigger(EVENT_HIDDEN$2);
4974
      });
4975
    };
4976

4977
    _proto._removeBackdrop = function _removeBackdrop() {
4978
      if (this._backdrop) {
4979
        $__default["default"](this._backdrop).remove();
4980
        this._backdrop = null;
4981
      }
4982
    };
4983

4984
    _proto._showBackdrop = function _showBackdrop(callback) {
4985
      var _this9 = this;
4986

4987
      var animate = $__default["default"](this._element).hasClass(CLASS_NAME_FADE$4) ? CLASS_NAME_FADE$4 : '';
4988

4989
      if (this._isShown && this._config.backdrop) {
4990
        this._backdrop = document.createElement('div');
4991
        this._backdrop.className = CLASS_NAME_BACKDROP;
4992

4993
        if (animate) {
4994
          this._backdrop.classList.add(animate);
4995
        }
4996

4997
        $__default["default"](this._backdrop).appendTo(document.body);
4998
        $__default["default"](this._element).on(EVENT_CLICK_DISMISS$1, function (event) {
4999
          if (_this9._ignoreBackdropClick) {
5000
            _this9._ignoreBackdropClick = false;
5001
            return;
5002
          }
5003

5004
          if (event.target !== event.currentTarget) {
5005
            return;
5006
          }
5007

5008
          if (_this9._config.backdrop === 'static') {
5009
            _this9._triggerBackdropTransition();
5010
          } else {
5011
            _this9.hide();
5012
          }
5013
        });
5014

5015
        if (animate) {
5016
          Util.reflow(this._backdrop);
5017
        }
5018

5019
        $__default["default"](this._backdrop).addClass(CLASS_NAME_SHOW$4);
5020

5021
        if (!callback) {
5022
          return;
5023
        }
5024

5025
        if (!animate) {
5026
          callback();
5027
          return;
5028
        }
5029

5030
        var backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
5031
        $__default["default"](this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
5032
      } else if (!this._isShown && this._backdrop) {
5033
        $__default["default"](this._backdrop).removeClass(CLASS_NAME_SHOW$4);
5034

5035
        var callbackRemove = function callbackRemove() {
5036
          _this9._removeBackdrop();
5037

5038
          if (callback) {
5039
            callback();
5040
          }
5041
        };
5042

5043
        if ($__default["default"](this._element).hasClass(CLASS_NAME_FADE$4)) {
5044
          var _backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
5045

5046
          $__default["default"](this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
5047
        } else {
5048
          callbackRemove();
5049
        }
5050
      } else if (callback) {
5051
        callback();
5052
      }
5053
    } // ----------------------------------------------------------------------
5054
    // the following methods are used to handle overflowing modals
5055
    // todo (fat): these should probably be refactored out of modal.js
5056
    // ----------------------------------------------------------------------
5057
    ;
5058

5059
    _proto._adjustDialog = function _adjustDialog() {
5060
      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
5061

5062
      if (!this._isBodyOverflowing && isModalOverflowing) {
5063
        this._element.style.paddingLeft = this._scrollbarWidth + "px";
5064
      }
5065

5066
      if (this._isBodyOverflowing && !isModalOverflowing) {
5067
        this._element.style.paddingRight = this._scrollbarWidth + "px";
5068
      }
5069
    };
5070

5071
    _proto._resetAdjustments = function _resetAdjustments() {
5072
      this._element.style.paddingLeft = '';
5073
      this._element.style.paddingRight = '';
5074
    };
5075

5076
    _proto._checkScrollbar = function _checkScrollbar() {
5077
      var rect = document.body.getBoundingClientRect();
5078
      this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth;
5079
      this._scrollbarWidth = this._getScrollbarWidth();
5080
    };
5081

5082
    _proto._setScrollbar = function _setScrollbar() {
5083
      var _this10 = this;
5084

5085
      if (this._isBodyOverflowing) {
5086
        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
5087
        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
5088
        var fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT));
5089
        var stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT)); // Adjust fixed content padding
5090

5091
        $__default["default"](fixedContent).each(function (index, element) {
5092
          var actualPadding = element.style.paddingRight;
5093
          var calculatedPadding = $__default["default"](element).css('padding-right');
5094
          $__default["default"](element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this10._scrollbarWidth + "px");
5095
        }); // Adjust sticky content margin
5096

5097
        $__default["default"](stickyContent).each(function (index, element) {
5098
          var actualMargin = element.style.marginRight;
5099
          var calculatedMargin = $__default["default"](element).css('margin-right');
5100
          $__default["default"](element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this10._scrollbarWidth + "px");
5101
        }); // Adjust body padding
5102

5103
        var actualPadding = document.body.style.paddingRight;
5104
        var calculatedPadding = $__default["default"](document.body).css('padding-right');
5105
        $__default["default"](document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
5106
      }
5107

5108
      $__default["default"](document.body).addClass(CLASS_NAME_OPEN);
5109
    };
5110

5111
    _proto._resetScrollbar = function _resetScrollbar() {
5112
      // Restore fixed content padding
5113
      var fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT));
5114
      $__default["default"](fixedContent).each(function (index, element) {
5115
        var padding = $__default["default"](element).data('padding-right');
5116
        $__default["default"](element).removeData('padding-right');
5117
        element.style.paddingRight = padding ? padding : '';
5118
      }); // Restore sticky content
5119

5120
      var elements = [].slice.call(document.querySelectorAll("" + SELECTOR_STICKY_CONTENT));
5121
      $__default["default"](elements).each(function (index, element) {
5122
        var margin = $__default["default"](element).data('margin-right');
5123

5124
        if (typeof margin !== 'undefined') {
5125
          $__default["default"](element).css('margin-right', margin).removeData('margin-right');
5126
        }
5127
      }); // Restore body padding
5128

5129
      var padding = $__default["default"](document.body).data('padding-right');
5130
      $__default["default"](document.body).removeData('padding-right');
5131
      document.body.style.paddingRight = padding ? padding : '';
5132
    };
5133

5134
    _proto._getScrollbarWidth = function _getScrollbarWidth() {
5135
      // thx d.walsh
5136
      var scrollDiv = document.createElement('div');
5137
      scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER;
5138
      document.body.appendChild(scrollDiv);
5139
      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
5140
      document.body.removeChild(scrollDiv);
5141
      return scrollbarWidth;
5142
    } // Static
5143
    ;
5144

5145
    Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
5146
      return this.each(function () {
5147
        var data = $__default["default"](this).data(DATA_KEY$5);
5148

5149
        var _config = _extends$1({}, Default$4, $__default["default"](this).data(), typeof config === 'object' && config ? config : {});
5150

5151
        if (!data) {
5152
          data = new Modal(this, _config);
5153
          $__default["default"](this).data(DATA_KEY$5, data);
5154
        }
5155

5156
        if (typeof config === 'string') {
5157
          if (typeof data[config] === 'undefined') {
5158
            throw new TypeError("No method named \"" + config + "\"");
5159
          }
5160

5161
          data[config](relatedTarget);
5162
        } else if (_config.show) {
5163
          data.show(relatedTarget);
5164
        }
5165
      });
5166
    };
5167

5168
    _createClass(Modal, null, [{
5169
      key: "VERSION",
5170
      get: function get() {
5171
        return VERSION$5;
5172
      }
5173
    }, {
5174
      key: "Default",
5175
      get: function get() {
5176
        return Default$4;
5177
      }
5178
    }]);
5179

5180
    return Modal;
5181
  }();
5182
  /**
5183
   * Data API implementation
5184
   */
5185

5186

5187
  $__default["default"](document).on(EVENT_CLICK_DATA_API$1, SELECTOR_DATA_TOGGLE$1, function (event) {
5188
    var _this11 = this;
5189

5190
    var target;
5191
    var selector = Util.getSelectorFromElement(this);
5192

5193
    if (selector) {
5194
      target = document.querySelector(selector);
5195
    }
5196

5197
    var config = $__default["default"](target).data(DATA_KEY$5) ? 'toggle' : _extends$1({}, $__default["default"](target).data(), $__default["default"](this).data());
5198

5199
    if (this.tagName === 'A' || this.tagName === 'AREA') {
5200
      event.preventDefault();
5201
    }
5202

5203
    var $target = $__default["default"](target).one(EVENT_SHOW$2, function (showEvent) {
5204
      if (showEvent.isDefaultPrevented()) {
5205
        // Only register focus restorer if modal will actually get shown
5206
        return;
5207
      }
5208

5209
      $target.one(EVENT_HIDDEN$2, function () {
5210
        if ($__default["default"](_this11).is(':visible')) {
5211
          _this11.focus();
5212
        }
5213
      });
5214
    });
5215

5216
    Modal._jQueryInterface.call($__default["default"](target), config, this);
5217
  });
5218
  /**
5219
   * jQuery
5220
   */
5221

5222
  $__default["default"].fn[NAME$5] = Modal._jQueryInterface;
5223
  $__default["default"].fn[NAME$5].Constructor = Modal;
5224

5225
  $__default["default"].fn[NAME$5].noConflict = function () {
5226
    $__default["default"].fn[NAME$5] = JQUERY_NO_CONFLICT$5;
5227
    return Modal._jQueryInterface;
5228
  };
5229

5230
  /**
5231
   * --------------------------------------------------------------------------
5232
   * Bootstrap (v4.6.1): tools/sanitizer.js
5233
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
5234
   * --------------------------------------------------------------------------
5235
   */
5236
  var uriAttrs = ['background', 'cite', 'href', 'itemtype', 'longdesc', 'poster', 'src', 'xlink:href'];
5237
  var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i;
5238
  var DefaultWhitelist = {
5239
    // Global attributes allowed on any supplied element below.
5240
    '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
5241
    a: ['target', 'href', 'title', 'rel'],
5242
    area: [],
5243
    b: [],
5244
    br: [],
5245
    col: [],
5246
    code: [],
5247
    div: [],
5248
    em: [],
5249
    hr: [],
5250
    h1: [],
5251
    h2: [],
5252
    h3: [],
5253
    h4: [],
5254
    h5: [],
5255
    h6: [],
5256
    i: [],
5257
    img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
5258
    li: [],
5259
    ol: [],
5260
    p: [],
5261
    pre: [],
5262
    s: [],
5263
    small: [],
5264
    span: [],
5265
    sub: [],
5266
    sup: [],
5267
    strong: [],
5268
    u: [],
5269
    ul: []
5270
  };
5271
  /**
5272
   * A pattern that recognizes a commonly useful subset of URLs that are safe.
5273
   *
5274
   * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
5275
   */
5276

5277
  var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i;
5278
  /**
5279
   * A pattern that matches safe data URLs. Only matches image, video and audio types.
5280
   *
5281
   * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
5282
   */
5283

5284
  var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i;
5285

5286
  function allowedAttribute(attr, allowedAttributeList) {
5287
    var attrName = attr.nodeName.toLowerCase();
5288

5289
    if (allowedAttributeList.indexOf(attrName) !== -1) {
5290
      if (uriAttrs.indexOf(attrName) !== -1) {
5291
        return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue));
5292
      }
5293

5294
      return true;
5295
    }
5296

5297
    var regExp = allowedAttributeList.filter(function (attrRegex) {
5298
      return attrRegex instanceof RegExp;
5299
    }); // Check if a regular expression validates the attribute.
5300

5301
    for (var i = 0, len = regExp.length; i < len; i++) {
5302
      if (regExp[i].test(attrName)) {
5303
        return true;
5304
      }
5305
    }
5306

5307
    return false;
5308
  }
5309

5310
  function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
5311
    if (unsafeHtml.length === 0) {
5312
      return unsafeHtml;
5313
    }
5314

5315
    if (sanitizeFn && typeof sanitizeFn === 'function') {
5316
      return sanitizeFn(unsafeHtml);
5317
    }
5318

5319
    var domParser = new window.DOMParser();
5320
    var createdDocument = domParser.parseFromString(unsafeHtml, 'text/html');
5321
    var whitelistKeys = Object.keys(whiteList);
5322
    var elements = [].slice.call(createdDocument.body.querySelectorAll('*'));
5323

5324
    var _loop = function _loop(i, len) {
5325
      var el = elements[i];
5326
      var elName = el.nodeName.toLowerCase();
5327

5328
      if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {
5329
        el.parentNode.removeChild(el);
5330
        return "continue";
5331
      }
5332

5333
      var attributeList = [].slice.call(el.attributes); // eslint-disable-next-line unicorn/prefer-spread
5334

5335
      var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || []);
5336
      attributeList.forEach(function (attr) {
5337
        if (!allowedAttribute(attr, whitelistedAttributes)) {
5338
          el.removeAttribute(attr.nodeName);
5339
        }
5340
      });
5341
    };
5342

5343
    for (var i = 0, len = elements.length; i < len; i++) {
5344
      var _ret = _loop(i);
5345

5346
      if (_ret === "continue") continue;
5347
    }
5348

5349
    return createdDocument.body.innerHTML;
5350
  }
5351

5352
  /**
5353
   * Constants
5354
   */
5355

5356
  var NAME$4 = 'tooltip';
5357
  var VERSION$4 = '4.6.1';
5358
  var DATA_KEY$4 = 'bs.tooltip';
5359
  var EVENT_KEY$4 = "." + DATA_KEY$4;
5360
  var JQUERY_NO_CONFLICT$4 = $__default["default"].fn[NAME$4];
5361
  var CLASS_PREFIX$1 = 'bs-tooltip';
5362
  var BSCLS_PREFIX_REGEX$1 = new RegExp("(^|\\s)" + CLASS_PREFIX$1 + "\\S+", 'g');
5363
  var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn'];
5364
  var CLASS_NAME_FADE$3 = 'fade';
5365
  var CLASS_NAME_SHOW$3 = 'show';
5366
  var HOVER_STATE_SHOW = 'show';
5367
  var HOVER_STATE_OUT = 'out';
5368
  var SELECTOR_TOOLTIP_INNER = '.tooltip-inner';
5369
  var SELECTOR_ARROW = '.arrow';
5370
  var TRIGGER_HOVER = 'hover';
5371
  var TRIGGER_FOCUS = 'focus';
5372
  var TRIGGER_CLICK = 'click';
5373
  var TRIGGER_MANUAL = 'manual';
5374
  var AttachmentMap = {
5375
    AUTO: 'auto',
5376
    TOP: 'top',
5377
    RIGHT: 'right',
5378
    BOTTOM: 'bottom',
5379
    LEFT: 'left'
5380
  };
5381
  var Default$3 = {
5382
    animation: true,
5383
    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow"></div>' + '<div class="tooltip-inner"></div></div>',
5384
    trigger: 'hover focus',
5385
    title: '',
5386
    delay: 0,
5387
    html: false,
5388
    selector: false,
5389
    placement: 'top',
5390
    offset: 0,
5391
    container: false,
5392
    fallbackPlacement: 'flip',
5393
    boundary: 'scrollParent',
5394
    customClass: '',
5395
    sanitize: true,
5396
    sanitizeFn: null,
5397
    whiteList: DefaultWhitelist,
5398
    popperConfig: null
5399
  };
5400
  var DefaultType$3 = {
5401
    animation: 'boolean',
5402
    template: 'string',
5403
    title: '(string|element|function)',
5404
    trigger: 'string',
5405
    delay: '(number|object)',
5406
    html: 'boolean',
5407
    selector: '(string|boolean)',
5408
    placement: '(string|function)',
5409
    offset: '(number|string|function)',
5410
    container: '(string|element|boolean)',
5411
    fallbackPlacement: '(string|array)',
5412
    boundary: '(string|element)',
5413
    customClass: '(string|function)',
5414
    sanitize: 'boolean',
5415
    sanitizeFn: '(null|function)',
5416
    whiteList: 'object',
5417
    popperConfig: '(null|object)'
5418
  };
5419
  var Event$1 = {
5420
    HIDE: "hide" + EVENT_KEY$4,
5421
    HIDDEN: "hidden" + EVENT_KEY$4,
5422
    SHOW: "show" + EVENT_KEY$4,
5423
    SHOWN: "shown" + EVENT_KEY$4,
5424
    INSERTED: "inserted" + EVENT_KEY$4,
5425
    CLICK: "click" + EVENT_KEY$4,
5426
    FOCUSIN: "focusin" + EVENT_KEY$4,
5427
    FOCUSOUT: "focusout" + EVENT_KEY$4,
5428
    MOUSEENTER: "mouseenter" + EVENT_KEY$4,
5429
    MOUSELEAVE: "mouseleave" + EVENT_KEY$4
5430
  };
5431
  /**
5432
   * Class definition
5433
   */
5434

5435
  var Tooltip = /*#__PURE__*/function () {
5436
    function Tooltip(element, config) {
5437
      if (typeof Popper$1 === 'undefined') {
5438
        throw new TypeError('Bootstrap\'s tooltips require Popper (https://popper.js.org)');
5439
      } // Private
5440

5441

5442
      this._isEnabled = true;
5443
      this._timeout = 0;
5444
      this._hoverState = '';
5445
      this._activeTrigger = {};
5446
      this._popper = null; // Protected
5447

5448
      this.element = element;
5449
      this.config = this._getConfig(config);
5450
      this.tip = null;
5451

5452
      this._setListeners();
5453
    } // Getters
5454

5455

5456
    var _proto = Tooltip.prototype;
5457

5458
    // Public
5459
    _proto.enable = function enable() {
5460
      this._isEnabled = true;
5461
    };
5462

5463
    _proto.disable = function disable() {
5464
      this._isEnabled = false;
5465
    };
5466

5467
    _proto.toggleEnabled = function toggleEnabled() {
5468
      this._isEnabled = !this._isEnabled;
5469
    };
5470

5471
    _proto.toggle = function toggle(event) {
5472
      if (!this._isEnabled) {
5473
        return;
5474
      }
5475

5476
      if (event) {
5477
        var dataKey = this.constructor.DATA_KEY;
5478
        var context = $__default["default"](event.currentTarget).data(dataKey);
5479

5480
        if (!context) {
5481
          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
5482
          $__default["default"](event.currentTarget).data(dataKey, context);
5483
        }
5484

5485
        context._activeTrigger.click = !context._activeTrigger.click;
5486

5487
        if (context._isWithActiveTrigger()) {
5488
          context._enter(null, context);
5489
        } else {
5490
          context._leave(null, context);
5491
        }
5492
      } else {
5493
        if ($__default["default"](this.getTipElement()).hasClass(CLASS_NAME_SHOW$3)) {
5494
          this._leave(null, this);
5495

5496
          return;
5497
        }
5498

5499
        this._enter(null, this);
5500
      }
5501
    };
5502

5503
    _proto.dispose = function dispose() {
5504
      clearTimeout(this._timeout);
5505
      $__default["default"].removeData(this.element, this.constructor.DATA_KEY);
5506
      $__default["default"](this.element).off(this.constructor.EVENT_KEY);
5507
      $__default["default"](this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler);
5508

5509
      if (this.tip) {
5510
        $__default["default"](this.tip).remove();
5511
      }
5512

5513
      this._isEnabled = null;
5514
      this._timeout = null;
5515
      this._hoverState = null;
5516
      this._activeTrigger = null;
5517

5518
      if (this._popper) {
5519
        this._popper.destroy();
5520
      }
5521

5522
      this._popper = null;
5523
      this.element = null;
5524
      this.config = null;
5525
      this.tip = null;
5526
    };
5527

5528
    _proto.show = function show() {
5529
      var _this = this;
5530

5531
      if ($__default["default"](this.element).css('display') === 'none') {
5532
        throw new Error('Please use show on visible elements');
5533
      }
5534

5535
      var showEvent = $__default["default"].Event(this.constructor.Event.SHOW);
5536

5537
      if (this.isWithContent() && this._isEnabled) {
5538
        $__default["default"](this.element).trigger(showEvent);
5539
        var shadowRoot = Util.findShadowRoot(this.element);
5540
        var isInTheDom = $__default["default"].contains(shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement, this.element);
5541

5542
        if (showEvent.isDefaultPrevented() || !isInTheDom) {
5543
          return;
5544
        }
5545

5546
        var tip = this.getTipElement();
5547
        var tipId = Util.getUID(this.constructor.NAME);
5548
        tip.setAttribute('id', tipId);
5549
        this.element.setAttribute('aria-describedby', tipId);
5550
        this.setContent();
5551

5552
        if (this.config.animation) {
5553
          $__default["default"](tip).addClass(CLASS_NAME_FADE$3);
5554
        }
5555

5556
        var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
5557

5558
        var attachment = this._getAttachment(placement);
5559

5560
        this.addAttachmentClass(attachment);
5561

5562
        var container = this._getContainer();
5563

5564
        $__default["default"](tip).data(this.constructor.DATA_KEY, this);
5565

5566
        if (!$__default["default"].contains(this.element.ownerDocument.documentElement, this.tip)) {
5567
          $__default["default"](tip).appendTo(container);
5568
        }
5569

5570
        $__default["default"](this.element).trigger(this.constructor.Event.INSERTED);
5571
        this._popper = new Popper$1(this.element, tip, this._getPopperConfig(attachment));
5572
        $__default["default"](tip).addClass(CLASS_NAME_SHOW$3);
5573
        $__default["default"](tip).addClass(this.config.customClass); // If this is a touch-enabled device we add extra
5574
        // empty mouseover listeners to the body's immediate children;
5575
        // only needed because of broken event delegation on iOS
5576
        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
5577

5578
        if ('ontouchstart' in document.documentElement) {
5579
          $__default["default"](document.body).children().on('mouseover', null, $__default["default"].noop);
5580
        }
5581

5582
        var complete = function complete() {
5583
          if (_this.config.animation) {
5584
            _this._fixTransition();
5585
          }
5586

5587
          var prevHoverState = _this._hoverState;
5588
          _this._hoverState = null;
5589
          $__default["default"](_this.element).trigger(_this.constructor.Event.SHOWN);
5590

5591
          if (prevHoverState === HOVER_STATE_OUT) {
5592
            _this._leave(null, _this);
5593
          }
5594
        };
5595

5596
        if ($__default["default"](this.tip).hasClass(CLASS_NAME_FADE$3)) {
5597
          var transitionDuration = Util.getTransitionDurationFromElement(this.tip);
5598
          $__default["default"](this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
5599
        } else {
5600
          complete();
5601
        }
5602
      }
5603
    };
5604

5605
    _proto.hide = function hide(callback) {
5606
      var _this2 = this;
5607

5608
      var tip = this.getTipElement();
5609
      var hideEvent = $__default["default"].Event(this.constructor.Event.HIDE);
5610

5611
      var complete = function complete() {
5612
        if (_this2._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
5613
          tip.parentNode.removeChild(tip);
5614
        }
5615

5616
        _this2._cleanTipClass();
5617

5618
        _this2.element.removeAttribute('aria-describedby');
5619

5620
        $__default["default"](_this2.element).trigger(_this2.constructor.Event.HIDDEN);
5621

5622
        if (_this2._popper !== null) {
5623
          _this2._popper.destroy();
5624
        }
5625

5626
        if (callback) {
5627
          callback();
5628
        }
5629
      };
5630

5631
      $__default["default"](this.element).trigger(hideEvent);
5632

5633
      if (hideEvent.isDefaultPrevented()) {
5634
        return;
5635
      }
5636

5637
      $__default["default"](tip).removeClass(CLASS_NAME_SHOW$3); // If this is a touch-enabled device we remove the extra
5638
      // empty mouseover listeners we added for iOS support
5639

5640
      if ('ontouchstart' in document.documentElement) {
5641
        $__default["default"](document.body).children().off('mouseover', null, $__default["default"].noop);
5642
      }
5643

5644
      this._activeTrigger[TRIGGER_CLICK] = false;
5645
      this._activeTrigger[TRIGGER_FOCUS] = false;
5646
      this._activeTrigger[TRIGGER_HOVER] = false;
5647

5648
      if ($__default["default"](this.tip).hasClass(CLASS_NAME_FADE$3)) {
5649
        var transitionDuration = Util.getTransitionDurationFromElement(tip);
5650
        $__default["default"](tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
5651
      } else {
5652
        complete();
5653
      }
5654

5655
      this._hoverState = '';
5656
    };
5657

5658
    _proto.update = function update() {
5659
      if (this._popper !== null) {
5660
        this._popper.scheduleUpdate();
5661
      }
5662
    } // Protected
5663
    ;
5664

5665
    _proto.isWithContent = function isWithContent() {
5666
      return Boolean(this.getTitle());
5667
    };
5668

5669
    _proto.addAttachmentClass = function addAttachmentClass(attachment) {
5670
      $__default["default"](this.getTipElement()).addClass(CLASS_PREFIX$1 + "-" + attachment);
5671
    };
5672

5673
    _proto.getTipElement = function getTipElement() {
5674
      this.tip = this.tip || $__default["default"](this.config.template)[0];
5675
      return this.tip;
5676
    };
5677

5678
    _proto.setContent = function setContent() {
5679
      var tip = this.getTipElement();
5680
      this.setElementContent($__default["default"](tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle());
5681
      $__default["default"](tip).removeClass(CLASS_NAME_FADE$3 + " " + CLASS_NAME_SHOW$3);
5682
    };
5683

5684
    _proto.setElementContent = function setElementContent($element, content) {
5685
      if (typeof content === 'object' && (content.nodeType || content.jquery)) {
5686
        // Content is a DOM node or a jQuery
5687
        if (this.config.html) {
5688
          if (!$__default["default"](content).parent().is($element)) {
5689
            $element.empty().append(content);
5690
          }
5691
        } else {
5692
          $element.text($__default["default"](content).text());
5693
        }
5694

5695
        return;
5696
      }
5697

5698
      if (this.config.html) {
5699
        if (this.config.sanitize) {
5700
          content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn);
5701
        }
5702

5703
        $element.html(content);
5704
      } else {
5705
        $element.text(content);
5706
      }
5707
    };
5708

5709
    _proto.getTitle = function getTitle() {
5710
      var title = this.element.getAttribute('data-original-title');
5711

5712
      if (!title) {
5713
        title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
5714
      }
5715

5716
      return title;
5717
    } // Private
5718
    ;
5719

5720
    _proto._getPopperConfig = function _getPopperConfig(attachment) {
5721
      var _this3 = this;
5722

5723
      var defaultBsConfig = {
5724
        placement: attachment,
5725
        modifiers: {
5726
          offset: this._getOffset(),
5727
          flip: {
5728
            behavior: this.config.fallbackPlacement
5729
          },
5730
          arrow: {
5731
            element: SELECTOR_ARROW
5732
          },
5733
          preventOverflow: {
5734
            boundariesElement: this.config.boundary
5735
          }
5736
        },
5737
        onCreate: function onCreate(data) {
5738
          if (data.originalPlacement !== data.placement) {
5739
            _this3._handlePopperPlacementChange(data);
5740
          }
5741
        },
5742
        onUpdate: function onUpdate(data) {
5743
          return _this3._handlePopperPlacementChange(data);
5744
        }
5745
      };
5746
      return _extends$1({}, defaultBsConfig, this.config.popperConfig);
5747
    };
5748

5749
    _proto._getOffset = function _getOffset() {
5750
      var _this4 = this;
5751

5752
      var offset = {};
5753

5754
      if (typeof this.config.offset === 'function') {
5755
        offset.fn = function (data) {
5756
          data.offsets = _extends$1({}, data.offsets, _this4.config.offset(data.offsets, _this4.element));
5757
          return data;
5758
        };
5759
      } else {
5760
        offset.offset = this.config.offset;
5761
      }
5762

5763
      return offset;
5764
    };
5765

5766
    _proto._getContainer = function _getContainer() {
5767
      if (this.config.container === false) {
5768
        return document.body;
5769
      }
5770

5771
      if (Util.isElement(this.config.container)) {
5772
        return $__default["default"](this.config.container);
5773
      }
5774

5775
      return $__default["default"](document).find(this.config.container);
5776
    };
5777

5778
    _proto._getAttachment = function _getAttachment(placement) {
5779
      return AttachmentMap[placement.toUpperCase()];
5780
    };
5781

5782
    _proto._setListeners = function _setListeners() {
5783
      var _this5 = this;
5784

5785
      var triggers = this.config.trigger.split(' ');
5786
      triggers.forEach(function (trigger) {
5787
        if (trigger === 'click') {
5788
          $__default["default"](_this5.element).on(_this5.constructor.Event.CLICK, _this5.config.selector, function (event) {
5789
            return _this5.toggle(event);
5790
          });
5791
        } else if (trigger !== TRIGGER_MANUAL) {
5792
          var eventIn = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSEENTER : _this5.constructor.Event.FOCUSIN;
5793
          var eventOut = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSELEAVE : _this5.constructor.Event.FOCUSOUT;
5794
          $__default["default"](_this5.element).on(eventIn, _this5.config.selector, function (event) {
5795
            return _this5._enter(event);
5796
          }).on(eventOut, _this5.config.selector, function (event) {
5797
            return _this5._leave(event);
5798
          });
5799
        }
5800
      });
5801

5802
      this._hideModalHandler = function () {
5803
        if (_this5.element) {
5804
          _this5.hide();
5805
        }
5806
      };
5807

5808
      $__default["default"](this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler);
5809

5810
      if (this.config.selector) {
5811
        this.config = _extends$1({}, this.config, {
5812
          trigger: 'manual',
5813
          selector: ''
5814
        });
5815
      } else {
5816
        this._fixTitle();
5817
      }
5818
    };
5819

5820
    _proto._fixTitle = function _fixTitle() {
5821
      var titleType = typeof this.element.getAttribute('data-original-title');
5822

5823
      if (this.element.getAttribute('title') || titleType !== 'string') {
5824
        this.element.setAttribute('data-original-title', this.element.getAttribute('title') || '');
5825
        this.element.setAttribute('title', '');
5826
      }
5827
    };
5828

5829
    _proto._enter = function _enter(event, context) {
5830
      var dataKey = this.constructor.DATA_KEY;
5831
      context = context || $__default["default"](event.currentTarget).data(dataKey);
5832

5833
      if (!context) {
5834
        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
5835
        $__default["default"](event.currentTarget).data(dataKey, context);
5836
      }
5837

5838
      if (event) {
5839
        context._activeTrigger[event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER] = true;
5840
      }
5841

5842
      if ($__default["default"](context.getTipElement()).hasClass(CLASS_NAME_SHOW$3) || context._hoverState === HOVER_STATE_SHOW) {
5843
        context._hoverState = HOVER_STATE_SHOW;
5844
        return;
5845
      }
5846

5847
      clearTimeout(context._timeout);
5848
      context._hoverState = HOVER_STATE_SHOW;
5849

5850
      if (!context.config.delay || !context.config.delay.show) {
5851
        context.show();
5852
        return;
5853
      }
5854

5855
      context._timeout = setTimeout(function () {
5856
        if (context._hoverState === HOVER_STATE_SHOW) {
5857
          context.show();
5858
        }
5859
      }, context.config.delay.show);
5860
    };
5861

5862
    _proto._leave = function _leave(event, context) {
5863
      var dataKey = this.constructor.DATA_KEY;
5864
      context = context || $__default["default"](event.currentTarget).data(dataKey);
5865

5866
      if (!context) {
5867
        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
5868
        $__default["default"](event.currentTarget).data(dataKey, context);
5869
      }
5870

5871
      if (event) {
5872
        context._activeTrigger[event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER] = false;
5873
      }
5874

5875
      if (context._isWithActiveTrigger()) {
5876
        return;
5877
      }
5878

5879
      clearTimeout(context._timeout);
5880
      context._hoverState = HOVER_STATE_OUT;
5881

5882
      if (!context.config.delay || !context.config.delay.hide) {
5883
        context.hide();
5884
        return;
5885
      }
5886

5887
      context._timeout = setTimeout(function () {
5888
        if (context._hoverState === HOVER_STATE_OUT) {
5889
          context.hide();
5890
        }
5891
      }, context.config.delay.hide);
5892
    };
5893

5894
    _proto._isWithActiveTrigger = function _isWithActiveTrigger() {
5895
      for (var trigger in this._activeTrigger) {
5896
        if (this._activeTrigger[trigger]) {
5897
          return true;
5898
        }
5899
      }
5900

5901
      return false;
5902
    };
5903

5904
    _proto._getConfig = function _getConfig(config) {
5905
      var dataAttributes = $__default["default"](this.element).data();
5906
      Object.keys(dataAttributes).forEach(function (dataAttr) {
5907
        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {
5908
          delete dataAttributes[dataAttr];
5909
        }
5910
      });
5911
      config = _extends$1({}, this.constructor.Default, dataAttributes, typeof config === 'object' && config ? config : {});
5912

5913
      if (typeof config.delay === 'number') {
5914
        config.delay = {
5915
          show: config.delay,
5916
          hide: config.delay
5917
        };
5918
      }
5919

5920
      if (typeof config.title === 'number') {
5921
        config.title = config.title.toString();
5922
      }
5923

5924
      if (typeof config.content === 'number') {
5925
        config.content = config.content.toString();
5926
      }
5927

5928
      Util.typeCheckConfig(NAME$4, config, this.constructor.DefaultType);
5929

5930
      if (config.sanitize) {
5931
        config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn);
5932
      }
5933

5934
      return config;
5935
    };
5936

5937
    _proto._getDelegateConfig = function _getDelegateConfig() {
5938
      var config = {};
5939

5940
      if (this.config) {
5941
        for (var key in this.config) {
5942
          if (this.constructor.Default[key] !== this.config[key]) {
5943
            config[key] = this.config[key];
5944
          }
5945
        }
5946
      }
5947

5948
      return config;
5949
    };
5950

5951
    _proto._cleanTipClass = function _cleanTipClass() {
5952
      var $tip = $__default["default"](this.getTipElement());
5953
      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX$1);
5954

5955
      if (tabClass !== null && tabClass.length) {
5956
        $tip.removeClass(tabClass.join(''));
5957
      }
5958
    };
5959

5960
    _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData) {
5961
      this.tip = popperData.instance.popper;
5962

5963
      this._cleanTipClass();
5964

5965
      this.addAttachmentClass(this._getAttachment(popperData.placement));
5966
    };
5967

5968
    _proto._fixTransition = function _fixTransition() {
5969
      var tip = this.getTipElement();
5970
      var initConfigAnimation = this.config.animation;
5971

5972
      if (tip.getAttribute('x-placement') !== null) {
5973
        return;
5974
      }
5975

5976
      $__default["default"](tip).removeClass(CLASS_NAME_FADE$3);
5977
      this.config.animation = false;
5978
      this.hide();
5979
      this.show();
5980
      this.config.animation = initConfigAnimation;
5981
    } // Static
5982
    ;
5983

5984
    Tooltip._jQueryInterface = function _jQueryInterface(config) {
5985
      return this.each(function () {
5986
        var $element = $__default["default"](this);
5987
        var data = $element.data(DATA_KEY$4);
5988

5989
        var _config = typeof config === 'object' && config;
5990

5991
        if (!data && /dispose|hide/.test(config)) {
5992
          return;
5993
        }
5994

5995
        if (!data) {
5996
          data = new Tooltip(this, _config);
5997
          $element.data(DATA_KEY$4, data);
5998
        }
5999

6000
        if (typeof config === 'string') {
6001
          if (typeof data[config] === 'undefined') {
6002
            throw new TypeError("No method named \"" + config + "\"");
6003
          }
6004

6005
          data[config]();
6006
        }
6007
      });
6008
    };
6009

6010
    _createClass(Tooltip, null, [{
6011
      key: "VERSION",
6012
      get: function get() {
6013
        return VERSION$4;
6014
      }
6015
    }, {
6016
      key: "Default",
6017
      get: function get() {
6018
        return Default$3;
6019
      }
6020
    }, {
6021
      key: "NAME",
6022
      get: function get() {
6023
        return NAME$4;
6024
      }
6025
    }, {
6026
      key: "DATA_KEY",
6027
      get: function get() {
6028
        return DATA_KEY$4;
6029
      }
6030
    }, {
6031
      key: "Event",
6032
      get: function get() {
6033
        return Event$1;
6034
      }
6035
    }, {
6036
      key: "EVENT_KEY",
6037
      get: function get() {
6038
        return EVENT_KEY$4;
6039
      }
6040
    }, {
6041
      key: "DefaultType",
6042
      get: function get() {
6043
        return DefaultType$3;
6044
      }
6045
    }]);
6046

6047
    return Tooltip;
6048
  }();
6049
  /**
6050
   * jQuery
6051
   */
6052

6053

6054
  $__default["default"].fn[NAME$4] = Tooltip._jQueryInterface;
6055
  $__default["default"].fn[NAME$4].Constructor = Tooltip;
6056

6057
  $__default["default"].fn[NAME$4].noConflict = function () {
6058
    $__default["default"].fn[NAME$4] = JQUERY_NO_CONFLICT$4;
6059
    return Tooltip._jQueryInterface;
6060
  };
6061

6062
  /**
6063
   * Constants
6064
   */
6065

6066
  var NAME$3 = 'popover';
6067
  var VERSION$3 = '4.6.1';
6068
  var DATA_KEY$3 = 'bs.popover';
6069
  var EVENT_KEY$3 = "." + DATA_KEY$3;
6070
  var JQUERY_NO_CONFLICT$3 = $__default["default"].fn[NAME$3];
6071
  var CLASS_PREFIX = 'bs-popover';
6072
  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
6073
  var CLASS_NAME_FADE$2 = 'fade';
6074
  var CLASS_NAME_SHOW$2 = 'show';
6075
  var SELECTOR_TITLE = '.popover-header';
6076
  var SELECTOR_CONTENT = '.popover-body';
6077

6078
  var Default$2 = _extends$1({}, Tooltip.Default, {
6079
    placement: 'right',
6080
    trigger: 'click',
6081
    content: '',
6082
    template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
6083
  });
6084

6085
  var DefaultType$2 = _extends$1({}, Tooltip.DefaultType, {
6086
    content: '(string|element|function)'
6087
  });
6088

6089
  var Event = {
6090
    HIDE: "hide" + EVENT_KEY$3,
6091
    HIDDEN: "hidden" + EVENT_KEY$3,
6092
    SHOW: "show" + EVENT_KEY$3,
6093
    SHOWN: "shown" + EVENT_KEY$3,
6094
    INSERTED: "inserted" + EVENT_KEY$3,
6095
    CLICK: "click" + EVENT_KEY$3,
6096
    FOCUSIN: "focusin" + EVENT_KEY$3,
6097
    FOCUSOUT: "focusout" + EVENT_KEY$3,
6098
    MOUSEENTER: "mouseenter" + EVENT_KEY$3,
6099
    MOUSELEAVE: "mouseleave" + EVENT_KEY$3
6100
  };
6101
  /**
6102
   * Class definition
6103
   */
6104

6105
  var Popover = /*#__PURE__*/function (_Tooltip) {
6106
    _inheritsLoose(Popover, _Tooltip);
6107

6108
    function Popover() {
6109
      return _Tooltip.apply(this, arguments) || this;
6110
    }
6111

6112
    var _proto = Popover.prototype;
6113

6114
    // Overrides
6115
    _proto.isWithContent = function isWithContent() {
6116
      return this.getTitle() || this._getContent();
6117
    };
6118

6119
    _proto.addAttachmentClass = function addAttachmentClass(attachment) {
6120
      $__default["default"](this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
6121
    };
6122

6123
    _proto.getTipElement = function getTipElement() {
6124
      this.tip = this.tip || $__default["default"](this.config.template)[0];
6125
      return this.tip;
6126
    };
6127

6128
    _proto.setContent = function setContent() {
6129
      var $tip = $__default["default"](this.getTipElement()); // We use append for html objects to maintain js events
6130

6131
      this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle());
6132

6133
      var content = this._getContent();
6134

6135
      if (typeof content === 'function') {
6136
        content = content.call(this.element);
6137
      }
6138

6139
      this.setElementContent($tip.find(SELECTOR_CONTENT), content);
6140
      $tip.removeClass(CLASS_NAME_FADE$2 + " " + CLASS_NAME_SHOW$2);
6141
    } // Private
6142
    ;
6143

6144
    _proto._getContent = function _getContent() {
6145
      return this.element.getAttribute('data-content') || this.config.content;
6146
    };
6147

6148
    _proto._cleanTipClass = function _cleanTipClass() {
6149
      var $tip = $__default["default"](this.getTipElement());
6150
      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
6151

6152
      if (tabClass !== null && tabClass.length > 0) {
6153
        $tip.removeClass(tabClass.join(''));
6154
      }
6155
    } // Static
6156
    ;
6157

6158
    Popover._jQueryInterface = function _jQueryInterface(config) {
6159
      return this.each(function () {
6160
        var data = $__default["default"](this).data(DATA_KEY$3);
6161

6162
        var _config = typeof config === 'object' ? config : null;
6163

6164
        if (!data && /dispose|hide/.test(config)) {
6165
          return;
6166
        }
6167

6168
        if (!data) {
6169
          data = new Popover(this, _config);
6170
          $__default["default"](this).data(DATA_KEY$3, data);
6171
        }
6172

6173
        if (typeof config === 'string') {
6174
          if (typeof data[config] === 'undefined') {
6175
            throw new TypeError("No method named \"" + config + "\"");
6176
          }
6177

6178
          data[config]();
6179
        }
6180
      });
6181
    };
6182

6183
    _createClass(Popover, null, [{
6184
      key: "VERSION",
6185
      get: // Getters
6186
      function get() {
6187
        return VERSION$3;
6188
      }
6189
    }, {
6190
      key: "Default",
6191
      get: function get() {
6192
        return Default$2;
6193
      }
6194
    }, {
6195
      key: "NAME",
6196
      get: function get() {
6197
        return NAME$3;
6198
      }
6199
    }, {
6200
      key: "DATA_KEY",
6201
      get: function get() {
6202
        return DATA_KEY$3;
6203
      }
6204
    }, {
6205
      key: "Event",
6206
      get: function get() {
6207
        return Event;
6208
      }
6209
    }, {
6210
      key: "EVENT_KEY",
6211
      get: function get() {
6212
        return EVENT_KEY$3;
6213
      }
6214
    }, {
6215
      key: "DefaultType",
6216
      get: function get() {
6217
        return DefaultType$2;
6218
      }
6219
    }]);
6220

6221
    return Popover;
6222
  }(Tooltip);
6223
  /**
6224
   * jQuery
6225
   */
6226

6227

6228
  $__default["default"].fn[NAME$3] = Popover._jQueryInterface;
6229
  $__default["default"].fn[NAME$3].Constructor = Popover;
6230

6231
  $__default["default"].fn[NAME$3].noConflict = function () {
6232
    $__default["default"].fn[NAME$3] = JQUERY_NO_CONFLICT$3;
6233
    return Popover._jQueryInterface;
6234
  };
6235

6236
  /**
6237
   * Constants
6238
   */
6239

6240
  var NAME$2 = 'scrollspy';
6241
  var VERSION$2 = '4.6.1';
6242
  var DATA_KEY$2 = 'bs.scrollspy';
6243
  var EVENT_KEY$2 = "." + DATA_KEY$2;
6244
  var DATA_API_KEY$1 = '.data-api';
6245
  var JQUERY_NO_CONFLICT$2 = $__default["default"].fn[NAME$2];
6246
  var CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item';
6247
  var CLASS_NAME_ACTIVE$1 = 'active';
6248
  var EVENT_ACTIVATE = "activate" + EVENT_KEY$2;
6249
  var EVENT_SCROLL = "scroll" + EVENT_KEY$2;
6250
  var EVENT_LOAD_DATA_API = "load" + EVENT_KEY$2 + DATA_API_KEY$1;
6251
  var METHOD_OFFSET = 'offset';
6252
  var METHOD_POSITION = 'position';
6253
  var SELECTOR_DATA_SPY = '[data-spy="scroll"]';
6254
  var SELECTOR_NAV_LIST_GROUP$1 = '.nav, .list-group';
6255
  var SELECTOR_NAV_LINKS = '.nav-link';
6256
  var SELECTOR_NAV_ITEMS = '.nav-item';
6257
  var SELECTOR_LIST_ITEMS = '.list-group-item';
6258
  var SELECTOR_DROPDOWN$1 = '.dropdown';
6259
  var SELECTOR_DROPDOWN_ITEMS = '.dropdown-item';
6260
  var SELECTOR_DROPDOWN_TOGGLE$1 = '.dropdown-toggle';
6261
  var Default$1 = {
6262
    offset: 10,
6263
    method: 'auto',
6264
    target: ''
6265
  };
6266
  var DefaultType$1 = {
6267
    offset: 'number',
6268
    method: 'string',
6269
    target: '(string|element)'
6270
  };
6271
  /**
6272
   * Class definition
6273
   */
6274

6275
  var ScrollSpy = /*#__PURE__*/function () {
6276
    function ScrollSpy(element, config) {
6277
      var _this = this;
6278

6279
      this._element = element;
6280
      this._scrollElement = element.tagName === 'BODY' ? window : element;
6281
      this._config = this._getConfig(config);
6282
      this._selector = this._config.target + " " + SELECTOR_NAV_LINKS + "," + (this._config.target + " " + SELECTOR_LIST_ITEMS + ",") + (this._config.target + " " + SELECTOR_DROPDOWN_ITEMS);
6283
      this._offsets = [];
6284
      this._targets = [];
6285
      this._activeTarget = null;
6286
      this._scrollHeight = 0;
6287
      $__default["default"](this._scrollElement).on(EVENT_SCROLL, function (event) {
6288
        return _this._process(event);
6289
      });
6290
      this.refresh();
6291

6292
      this._process();
6293
    } // Getters
6294

6295

6296
    var _proto = ScrollSpy.prototype;
6297

6298
    // Public
6299
    _proto.refresh = function refresh() {
6300
      var _this2 = this;
6301

6302
      var autoMethod = this._scrollElement === this._scrollElement.window ? METHOD_OFFSET : METHOD_POSITION;
6303
      var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
6304
      var offsetBase = offsetMethod === METHOD_POSITION ? this._getScrollTop() : 0;
6305
      this._offsets = [];
6306
      this._targets = [];
6307
      this._scrollHeight = this._getScrollHeight();
6308
      var targets = [].slice.call(document.querySelectorAll(this._selector));
6309
      targets.map(function (element) {
6310
        var target;
6311
        var targetSelector = Util.getSelectorFromElement(element);
6312

6313
        if (targetSelector) {
6314
          target = document.querySelector(targetSelector);
6315
        }
6316

6317
        if (target) {
6318
          var targetBCR = target.getBoundingClientRect();
6319

6320
          if (targetBCR.width || targetBCR.height) {
6321
            // TODO (fat): remove sketch reliance on jQuery position/offset
6322
            return [$__default["default"](target)[offsetMethod]().top + offsetBase, targetSelector];
6323
          }
6324
        }
6325

6326
        return null;
6327
      }).filter(function (item) {
6328
        return item;
6329
      }).sort(function (a, b) {
6330
        return a[0] - b[0];
6331
      }).forEach(function (item) {
6332
        _this2._offsets.push(item[0]);
6333

6334
        _this2._targets.push(item[1]);
6335
      });
6336
    };
6337

6338
    _proto.dispose = function dispose() {
6339
      $__default["default"].removeData(this._element, DATA_KEY$2);
6340
      $__default["default"](this._scrollElement).off(EVENT_KEY$2);
6341
      this._element = null;
6342
      this._scrollElement = null;
6343
      this._config = null;
6344
      this._selector = null;
6345
      this._offsets = null;
6346
      this._targets = null;
6347
      this._activeTarget = null;
6348
      this._scrollHeight = null;
6349
    } // Private
6350
    ;
6351

6352
    _proto._getConfig = function _getConfig(config) {
6353
      config = _extends$1({}, Default$1, typeof config === 'object' && config ? config : {});
6354

6355
      if (typeof config.target !== 'string' && Util.isElement(config.target)) {
6356
        var id = $__default["default"](config.target).attr('id');
6357

6358
        if (!id) {
6359
          id = Util.getUID(NAME$2);
6360
          $__default["default"](config.target).attr('id', id);
6361
        }
6362

6363
        config.target = "#" + id;
6364
      }
6365

6366
      Util.typeCheckConfig(NAME$2, config, DefaultType$1);
6367
      return config;
6368
    };
6369

6370
    _proto._getScrollTop = function _getScrollTop() {
6371
      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
6372
    };
6373

6374
    _proto._getScrollHeight = function _getScrollHeight() {
6375
      return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
6376
    };
6377

6378
    _proto._getOffsetHeight = function _getOffsetHeight() {
6379
      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
6380
    };
6381

6382
    _proto._process = function _process() {
6383
      var scrollTop = this._getScrollTop() + this._config.offset;
6384

6385
      var scrollHeight = this._getScrollHeight();
6386

6387
      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
6388

6389
      if (this._scrollHeight !== scrollHeight) {
6390
        this.refresh();
6391
      }
6392

6393
      if (scrollTop >= maxScroll) {
6394
        var target = this._targets[this._targets.length - 1];
6395

6396
        if (this._activeTarget !== target) {
6397
          this._activate(target);
6398
        }
6399

6400
        return;
6401
      }
6402

6403
      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
6404
        this._activeTarget = null;
6405

6406
        this._clear();
6407

6408
        return;
6409
      }
6410

6411
      for (var i = this._offsets.length; i--;) {
6412
        var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
6413

6414
        if (isActiveTarget) {
6415
          this._activate(this._targets[i]);
6416
        }
6417
      }
6418
    };
6419

6420
    _proto._activate = function _activate(target) {
6421
      this._activeTarget = target;
6422

6423
      this._clear();
6424

6425
      var queries = this._selector.split(',').map(function (selector) {
6426
        return selector + "[data-target=\"" + target + "\"]," + selector + "[href=\"" + target + "\"]";
6427
      });
6428

6429
      var $link = $__default["default"]([].slice.call(document.querySelectorAll(queries.join(','))));
6430

6431
      if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {
6432
        $link.closest(SELECTOR_DROPDOWN$1).find(SELECTOR_DROPDOWN_TOGGLE$1).addClass(CLASS_NAME_ACTIVE$1);
6433
        $link.addClass(CLASS_NAME_ACTIVE$1);
6434
      } else {
6435
        // Set triggered link as active
6436
        $link.addClass(CLASS_NAME_ACTIVE$1); // Set triggered links parents as active
6437
        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
6438

6439
        $link.parents(SELECTOR_NAV_LIST_GROUP$1).prev(SELECTOR_NAV_LINKS + ", " + SELECTOR_LIST_ITEMS).addClass(CLASS_NAME_ACTIVE$1); // Handle special case when .nav-link is inside .nav-item
6440

6441
        $link.parents(SELECTOR_NAV_LIST_GROUP$1).prev(SELECTOR_NAV_ITEMS).children(SELECTOR_NAV_LINKS).addClass(CLASS_NAME_ACTIVE$1);
6442
      }
6443

6444
      $__default["default"](this._scrollElement).trigger(EVENT_ACTIVATE, {
6445
        relatedTarget: target
6446
      });
6447
    };
6448

6449
    _proto._clear = function _clear() {
6450
      [].slice.call(document.querySelectorAll(this._selector)).filter(function (node) {
6451
        return node.classList.contains(CLASS_NAME_ACTIVE$1);
6452
      }).forEach(function (node) {
6453
        return node.classList.remove(CLASS_NAME_ACTIVE$1);
6454
      });
6455
    } // Static
6456
    ;
6457

6458
    ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
6459
      return this.each(function () {
6460
        var data = $__default["default"](this).data(DATA_KEY$2);
6461

6462
        var _config = typeof config === 'object' && config;
6463

6464
        if (!data) {
6465
          data = new ScrollSpy(this, _config);
6466
          $__default["default"](this).data(DATA_KEY$2, data);
6467
        }
6468

6469
        if (typeof config === 'string') {
6470
          if (typeof data[config] === 'undefined') {
6471
            throw new TypeError("No method named \"" + config + "\"");
6472
          }
6473

6474
          data[config]();
6475
        }
6476
      });
6477
    };
6478

6479
    _createClass(ScrollSpy, null, [{
6480
      key: "VERSION",
6481
      get: function get() {
6482
        return VERSION$2;
6483
      }
6484
    }, {
6485
      key: "Default",
6486
      get: function get() {
6487
        return Default$1;
6488
      }
6489
    }]);
6490

6491
    return ScrollSpy;
6492
  }();
6493
  /**
6494
   * Data API implementation
6495
   */
6496

6497

6498
  $__default["default"](window).on(EVENT_LOAD_DATA_API, function () {
6499
    var scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY));
6500
    var scrollSpysLength = scrollSpys.length;
6501

6502
    for (var i = scrollSpysLength; i--;) {
6503
      var $spy = $__default["default"](scrollSpys[i]);
6504

6505
      ScrollSpy._jQueryInterface.call($spy, $spy.data());
6506
    }
6507
  });
6508
  /**
6509
   * jQuery
6510
   */
6511

6512
  $__default["default"].fn[NAME$2] = ScrollSpy._jQueryInterface;
6513
  $__default["default"].fn[NAME$2].Constructor = ScrollSpy;
6514

6515
  $__default["default"].fn[NAME$2].noConflict = function () {
6516
    $__default["default"].fn[NAME$2] = JQUERY_NO_CONFLICT$2;
6517
    return ScrollSpy._jQueryInterface;
6518
  };
6519

6520
  /**
6521
   * Constants
6522
   */
6523

6524
  var NAME$1 = 'tab';
6525
  var VERSION$1 = '4.6.1';
6526
  var DATA_KEY$1 = 'bs.tab';
6527
  var EVENT_KEY$1 = "." + DATA_KEY$1;
6528
  var DATA_API_KEY = '.data-api';
6529
  var JQUERY_NO_CONFLICT$1 = $__default["default"].fn[NAME$1];
6530
  var CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu';
6531
  var CLASS_NAME_ACTIVE = 'active';
6532
  var CLASS_NAME_DISABLED = 'disabled';
6533
  var CLASS_NAME_FADE$1 = 'fade';
6534
  var CLASS_NAME_SHOW$1 = 'show';
6535
  var EVENT_HIDE$1 = "hide" + EVENT_KEY$1;
6536
  var EVENT_HIDDEN$1 = "hidden" + EVENT_KEY$1;
6537
  var EVENT_SHOW$1 = "show" + EVENT_KEY$1;
6538
  var EVENT_SHOWN$1 = "shown" + EVENT_KEY$1;
6539
  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY$1 + DATA_API_KEY;
6540
  var SELECTOR_DROPDOWN = '.dropdown';
6541
  var SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';
6542
  var SELECTOR_ACTIVE = '.active';
6543
  var SELECTOR_ACTIVE_UL = '> li > .active';
6544
  var SELECTOR_DATA_TOGGLE = '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]';
6545
  var SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
6546
  var SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active';
6547
  /**
6548
   * Class definition
6549
   */
6550

6551
  var Tab = /*#__PURE__*/function () {
6552
    function Tab(element) {
6553
      this._element = element;
6554
    } // Getters
6555

6556

6557
    var _proto = Tab.prototype;
6558

6559
    // Public
6560
    _proto.show = function show() {
6561
      var _this = this;
6562

6563
      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $__default["default"](this._element).hasClass(CLASS_NAME_ACTIVE) || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED)) {
6564
        return;
6565
      }
6566

6567
      var target;
6568
      var previous;
6569
      var listElement = $__default["default"](this._element).closest(SELECTOR_NAV_LIST_GROUP)[0];
6570
      var selector = Util.getSelectorFromElement(this._element);
6571

6572
      if (listElement) {
6573
        var itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE;
6574
        previous = $__default["default"].makeArray($__default["default"](listElement).find(itemSelector));
6575
        previous = previous[previous.length - 1];
6576
      }
6577

6578
      var hideEvent = $__default["default"].Event(EVENT_HIDE$1, {
6579
        relatedTarget: this._element
6580
      });
6581
      var showEvent = $__default["default"].Event(EVENT_SHOW$1, {
6582
        relatedTarget: previous
6583
      });
6584

6585
      if (previous) {
6586
        $__default["default"](previous).trigger(hideEvent);
6587
      }
6588

6589
      $__default["default"](this._element).trigger(showEvent);
6590

6591
      if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
6592
        return;
6593
      }
6594

6595
      if (selector) {
6596
        target = document.querySelector(selector);
6597
      }
6598

6599
      this._activate(this._element, listElement);
6600

6601
      var complete = function complete() {
6602
        var hiddenEvent = $__default["default"].Event(EVENT_HIDDEN$1, {
6603
          relatedTarget: _this._element
6604
        });
6605
        var shownEvent = $__default["default"].Event(EVENT_SHOWN$1, {
6606
          relatedTarget: previous
6607
        });
6608
        $__default["default"](previous).trigger(hiddenEvent);
6609
        $__default["default"](_this._element).trigger(shownEvent);
6610
      };
6611

6612
      if (target) {
6613
        this._activate(target, target.parentNode, complete);
6614
      } else {
6615
        complete();
6616
      }
6617
    };
6618

6619
    _proto.dispose = function dispose() {
6620
      $__default["default"].removeData(this._element, DATA_KEY$1);
6621
      this._element = null;
6622
    } // Private
6623
    ;
6624

6625
    _proto._activate = function _activate(element, container, callback) {
6626
      var _this2 = this;
6627

6628
      var activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ? $__default["default"](container).find(SELECTOR_ACTIVE_UL) : $__default["default"](container).children(SELECTOR_ACTIVE);
6629
      var active = activeElements[0];
6630
      var isTransitioning = callback && active && $__default["default"](active).hasClass(CLASS_NAME_FADE$1);
6631

6632
      var complete = function complete() {
6633
        return _this2._transitionComplete(element, active, callback);
6634
      };
6635

6636
      if (active && isTransitioning) {
6637
        var transitionDuration = Util.getTransitionDurationFromElement(active);
6638
        $__default["default"](active).removeClass(CLASS_NAME_SHOW$1).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
6639
      } else {
6640
        complete();
6641
      }
6642
    };
6643

6644
    _proto._transitionComplete = function _transitionComplete(element, active, callback) {
6645
      if (active) {
6646
        $__default["default"](active).removeClass(CLASS_NAME_ACTIVE);
6647
        var dropdownChild = $__default["default"](active.parentNode).find(SELECTOR_DROPDOWN_ACTIVE_CHILD)[0];
6648

6649
        if (dropdownChild) {
6650
          $__default["default"](dropdownChild).removeClass(CLASS_NAME_ACTIVE);
6651
        }
6652

6653
        if (active.getAttribute('role') === 'tab') {
6654
          active.setAttribute('aria-selected', false);
6655
        }
6656
      }
6657

6658
      $__default["default"](element).addClass(CLASS_NAME_ACTIVE);
6659

6660
      if (element.getAttribute('role') === 'tab') {
6661
        element.setAttribute('aria-selected', true);
6662
      }
6663

6664
      Util.reflow(element);
6665

6666
      if (element.classList.contains(CLASS_NAME_FADE$1)) {
6667
        element.classList.add(CLASS_NAME_SHOW$1);
6668
      }
6669

6670
      var parent = element.parentNode;
6671

6672
      if (parent && parent.nodeName === 'LI') {
6673
        parent = parent.parentNode;
6674
      }
6675

6676
      if (parent && $__default["default"](parent).hasClass(CLASS_NAME_DROPDOWN_MENU)) {
6677
        var dropdownElement = $__default["default"](element).closest(SELECTOR_DROPDOWN)[0];
6678

6679
        if (dropdownElement) {
6680
          var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE));
6681
          $__default["default"](dropdownToggleList).addClass(CLASS_NAME_ACTIVE);
6682
        }
6683

6684
        element.setAttribute('aria-expanded', true);
6685
      }
6686

6687
      if (callback) {
6688
        callback();
6689
      }
6690
    } // Static
6691
    ;
6692

6693
    Tab._jQueryInterface = function _jQueryInterface(config) {
6694
      return this.each(function () {
6695
        var $this = $__default["default"](this);
6696
        var data = $this.data(DATA_KEY$1);
6697

6698
        if (!data) {
6699
          data = new Tab(this);
6700
          $this.data(DATA_KEY$1, data);
6701
        }
6702

6703
        if (typeof config === 'string') {
6704
          if (typeof data[config] === 'undefined') {
6705
            throw new TypeError("No method named \"" + config + "\"");
6706
          }
6707

6708
          data[config]();
6709
        }
6710
      });
6711
    };
6712

6713
    _createClass(Tab, null, [{
6714
      key: "VERSION",
6715
      get: function get() {
6716
        return VERSION$1;
6717
      }
6718
    }]);
6719

6720
    return Tab;
6721
  }();
6722
  /**
6723
   * Data API implementation
6724
   */
6725

6726

6727
  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
6728
    event.preventDefault();
6729

6730
    Tab._jQueryInterface.call($__default["default"](this), 'show');
6731
  });
6732
  /**
6733
   * jQuery
6734
   */
6735

6736
  $__default["default"].fn[NAME$1] = Tab._jQueryInterface;
6737
  $__default["default"].fn[NAME$1].Constructor = Tab;
6738

6739
  $__default["default"].fn[NAME$1].noConflict = function () {
6740
    $__default["default"].fn[NAME$1] = JQUERY_NO_CONFLICT$1;
6741
    return Tab._jQueryInterface;
6742
  };
6743

6744
  /**
6745
   * Constants
6746
   */
6747

6748
  var NAME = 'toast';
6749
  var VERSION = '4.6.1';
6750
  var DATA_KEY = 'bs.toast';
6751
  var EVENT_KEY = "." + DATA_KEY;
6752
  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
6753
  var CLASS_NAME_FADE = 'fade';
6754
  var CLASS_NAME_HIDE = 'hide';
6755
  var CLASS_NAME_SHOW = 'show';
6756
  var CLASS_NAME_SHOWING = 'showing';
6757
  var EVENT_CLICK_DISMISS = "click.dismiss" + EVENT_KEY;
6758
  var EVENT_HIDE = "hide" + EVENT_KEY;
6759
  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
6760
  var EVENT_SHOW = "show" + EVENT_KEY;
6761
  var EVENT_SHOWN = "shown" + EVENT_KEY;
6762
  var SELECTOR_DATA_DISMISS = '[data-dismiss="toast"]';
6763
  var Default = {
6764
    animation: true,
6765
    autohide: true,
6766
    delay: 500
6767
  };
6768
  var DefaultType = {
6769
    animation: 'boolean',
6770
    autohide: 'boolean',
6771
    delay: 'number'
6772
  };
6773
  /**
6774
   * Class definition
6775
   */
6776

6777
  var Toast = /*#__PURE__*/function () {
6778
    function Toast(element, config) {
6779
      this._element = element;
6780
      this._config = this._getConfig(config);
6781
      this._timeout = null;
6782

6783
      this._setListeners();
6784
    } // Getters
6785

6786

6787
    var _proto = Toast.prototype;
6788

6789
    // Public
6790
    _proto.show = function show() {
6791
      var _this = this;
6792

6793
      var showEvent = $__default["default"].Event(EVENT_SHOW);
6794
      $__default["default"](this._element).trigger(showEvent);
6795

6796
      if (showEvent.isDefaultPrevented()) {
6797
        return;
6798
      }
6799

6800
      this._clearTimeout();
6801

6802
      if (this._config.animation) {
6803
        this._element.classList.add(CLASS_NAME_FADE);
6804
      }
6805

6806
      var complete = function complete() {
6807
        _this._element.classList.remove(CLASS_NAME_SHOWING);
6808

6809
        _this._element.classList.add(CLASS_NAME_SHOW);
6810

6811
        $__default["default"](_this._element).trigger(EVENT_SHOWN);
6812

6813
        if (_this._config.autohide) {
6814
          _this._timeout = setTimeout(function () {
6815
            _this.hide();
6816
          }, _this._config.delay);
6817
        }
6818
      };
6819

6820
      this._element.classList.remove(CLASS_NAME_HIDE);
6821

6822
      Util.reflow(this._element);
6823

6824
      this._element.classList.add(CLASS_NAME_SHOWING);
6825

6826
      if (this._config.animation) {
6827
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
6828
        $__default["default"](this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
6829
      } else {
6830
        complete();
6831
      }
6832
    };
6833

6834
    _proto.hide = function hide() {
6835
      if (!this._element.classList.contains(CLASS_NAME_SHOW)) {
6836
        return;
6837
      }
6838

6839
      var hideEvent = $__default["default"].Event(EVENT_HIDE);
6840
      $__default["default"](this._element).trigger(hideEvent);
6841

6842
      if (hideEvent.isDefaultPrevented()) {
6843
        return;
6844
      }
6845

6846
      this._close();
6847
    };
6848

6849
    _proto.dispose = function dispose() {
6850
      this._clearTimeout();
6851

6852
      if (this._element.classList.contains(CLASS_NAME_SHOW)) {
6853
        this._element.classList.remove(CLASS_NAME_SHOW);
6854
      }
6855

6856
      $__default["default"](this._element).off(EVENT_CLICK_DISMISS);
6857
      $__default["default"].removeData(this._element, DATA_KEY);
6858
      this._element = null;
6859
      this._config = null;
6860
    } // Private
6861
    ;
6862

6863
    _proto._getConfig = function _getConfig(config) {
6864
      config = _extends$1({}, Default, $__default["default"](this._element).data(), typeof config === 'object' && config ? config : {});
6865
      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
6866
      return config;
6867
    };
6868

6869
    _proto._setListeners = function _setListeners() {
6870
      var _this2 = this;
6871

6872
      $__default["default"](this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, function () {
6873
        return _this2.hide();
6874
      });
6875
    };
6876

6877
    _proto._close = function _close() {
6878
      var _this3 = this;
6879

6880
      var complete = function complete() {
6881
        _this3._element.classList.add(CLASS_NAME_HIDE);
6882

6883
        $__default["default"](_this3._element).trigger(EVENT_HIDDEN);
6884
      };
6885

6886
      this._element.classList.remove(CLASS_NAME_SHOW);
6887

6888
      if (this._config.animation) {
6889
        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
6890
        $__default["default"](this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
6891
      } else {
6892
        complete();
6893
      }
6894
    };
6895

6896
    _proto._clearTimeout = function _clearTimeout() {
6897
      clearTimeout(this._timeout);
6898
      this._timeout = null;
6899
    } // Static
6900
    ;
6901

6902
    Toast._jQueryInterface = function _jQueryInterface(config) {
6903
      return this.each(function () {
6904
        var $element = $__default["default"](this);
6905
        var data = $element.data(DATA_KEY);
6906

6907
        var _config = typeof config === 'object' && config;
6908

6909
        if (!data) {
6910
          data = new Toast(this, _config);
6911
          $element.data(DATA_KEY, data);
6912
        }
6913

6914
        if (typeof config === 'string') {
6915
          if (typeof data[config] === 'undefined') {
6916
            throw new TypeError("No method named \"" + config + "\"");
6917
          }
6918

6919
          data[config](this);
6920
        }
6921
      });
6922
    };
6923

6924
    _createClass(Toast, null, [{
6925
      key: "VERSION",
6926
      get: function get() {
6927
        return VERSION;
6928
      }
6929
    }, {
6930
      key: "DefaultType",
6931
      get: function get() {
6932
        return DefaultType;
6933
      }
6934
    }, {
6935
      key: "Default",
6936
      get: function get() {
6937
        return Default;
6938
      }
6939
    }]);
6940

6941
    return Toast;
6942
  }();
6943
  /**
6944
   * jQuery
6945
   */
6946

6947

6948
  $__default["default"].fn[NAME] = Toast._jQueryInterface;
6949
  $__default["default"].fn[NAME].Constructor = Toast;
6950

6951
  $__default["default"].fn[NAME].noConflict = function () {
6952
    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
6953
    return Toast._jQueryInterface;
6954
  };
6955

6956
  exports.Alert = Alert;
6957
  exports.Button = Button;
6958
  exports.Carousel = Carousel;
6959
  exports.Collapse = Collapse;
6960
  exports.Dropdown = Dropdown;
6961
  exports.Modal = Modal;
6962
  exports.Popover = Popover;
6963
  exports.Scrollspy = ScrollSpy;
6964
  exports.Tab = Tab;
6965
  exports.Toast = Toast;
6966
  exports.Tooltip = Tooltip;
6967
  exports.Util = Util;
6968

6969
  Object.defineProperty(exports, '__esModule', { value: true });
6970

6971
}));
6972
//# sourceMappingURL=bootstrap.bundle.js.map
6973