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/*!
* Bootstrap polyfill.js v4.3.1 (https://getbootstrap.com/)
* Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.Polyfill = factory());
}(this, function () { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.3.1): util/index.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var MAX_UID = 1000000;
var _window = window,
jQuery = _window.jQuery; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
/**
* --------------------------------------------------------------------------
* Public Util Api
* --------------------------------------------------------------------------
*/
var getUID = function getUID(prefix) {
do {
// eslint-disable-next-line no-bitwise
prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
} while (document.getElementById(prefix));
return prefix;
};
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.3.1): dom/polyfill.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
/* istanbul ignore next */
var Polyfill = function () {
// MSEdge resets defaultPrevented flag upon dispatchEvent call if at least one listener is attached
var defaultPreventedPreservedOnDispatch = function () {
var e = new CustomEvent('Bootstrap', {
cancelable: true
});
var element = document.createElement('div');
element.addEventListener('Bootstrap', function () {
return null;
});
e.preventDefault();
element.dispatchEvent(e);
return e.defaultPrevented;
}();
var find = Element.prototype.querySelectorAll;
var findOne = Element.prototype.querySelector;
var scopeSelectorRegex = /:scope\b/;
var supportScopeQuery = function () {
var element = document.createElement('div');
try {
element.querySelectorAll(':scope *');
} catch (error) {
return false;
}
return true;
}();
if (!supportScopeQuery) {
find = function find(selector) {
if (!scopeSelectorRegex.test(selector)) {
return this.querySelectorAll(selector);
}
var hasId = Boolean(this.id);
if (!hasId) {
this.id = getUID('scope');
}
var nodeList = null;
try {
selector = selector.replace(scopeSelectorRegex, "#" + this.id);
nodeList = this.querySelectorAll(selector);
} finally {
if (!hasId) {
this.removeAttribute('id');
}
}
return nodeList;
};
findOne = function findOne(selector) {
if (!scopeSelectorRegex.test(selector)) {
return this.querySelector(selector);
}
var matches = find.call(this, selector);
if (typeof matches[0] !== 'undefined') {
return matches[0];
}
return null;
};
}
return {
defaultPreventedPreservedOnDispatch: defaultPreventedPreservedOnDispatch,
find: find,
findOne: findOne
};
}();
return Polyfill;
}));
//# sourceMappingURL=polyfill.js.map
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