128 lines
3.7 KiB
JavaScript
128 lines
3.7 KiB
JavaScript
/*!
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* Bootstrap polyfill.js v4.3.1 (https://getbootstrap.com/)
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* Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = global || self, global.Polyfill = factory());
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}(this, function () { 'use strict';
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.3.1): util/index.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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var MAX_UID = 1000000;
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var _window = window,
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jQuery = _window.jQuery; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
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/**
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* --------------------------------------------------------------------------
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* Public Util Api
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* --------------------------------------------------------------------------
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*/
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var 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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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.3.1): dom/polyfill.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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/* istanbul ignore next */
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var Polyfill = function () {
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// MSEdge resets defaultPrevented flag upon dispatchEvent call if at least one listener is attached
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var defaultPreventedPreservedOnDispatch = function () {
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var e = new CustomEvent('Bootstrap', {
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cancelable: true
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});
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var element = document.createElement('div');
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element.addEventListener('Bootstrap', function () {
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return null;
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});
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e.preventDefault();
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element.dispatchEvent(e);
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return e.defaultPrevented;
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}();
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var find = Element.prototype.querySelectorAll;
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var findOne = Element.prototype.querySelector;
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var scopeSelectorRegex = /:scope\b/;
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var supportScopeQuery = function () {
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var element = document.createElement('div');
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try {
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element.querySelectorAll(':scope *');
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} catch (error) {
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return false;
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}
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return true;
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}();
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if (!supportScopeQuery) {
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find = function find(selector) {
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if (!scopeSelectorRegex.test(selector)) {
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return this.querySelectorAll(selector);
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}
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var hasId = Boolean(this.id);
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if (!hasId) {
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this.id = getUID('scope');
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}
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var nodeList = null;
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try {
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selector = selector.replace(scopeSelectorRegex, "#" + this.id);
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nodeList = this.querySelectorAll(selector);
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} finally {
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if (!hasId) {
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this.removeAttribute('id');
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}
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}
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return nodeList;
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};
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findOne = function findOne(selector) {
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if (!scopeSelectorRegex.test(selector)) {
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return this.querySelector(selector);
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}
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var matches = find.call(this, selector);
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if (typeof matches[0] !== 'undefined') {
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return matches[0];
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}
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return null;
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};
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}
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return {
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defaultPreventedPreservedOnDispatch: defaultPreventedPreservedOnDispatch,
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find: find,
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findOne: findOne
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};
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}();
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return Polyfill;
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}));
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//# sourceMappingURL=polyfill.js.map
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