139 lines
4.3 KiB
JavaScript
139 lines
4.3 KiB
JavaScript
/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.0.0): util.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 Util = function ($) {
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/**
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* ------------------------------------------------------------------------
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* Private TransitionEnd Helpers
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* ------------------------------------------------------------------------
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*/
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var transition = false;
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var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
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function toType(obj) {
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return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
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}
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function getSpecialTransitionEndEvent() {
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return {
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bindType: transition.end,
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delegateType: transition.end,
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handle: function handle(event) {
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if ($(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; // eslint-disable-line no-undefined
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}
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};
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}
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function transitionEndTest() {
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if (typeof window !== 'undefined' && window.QUnit) {
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return false;
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}
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return {
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end: 'transitionend'
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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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$(this).one(Util.TRANSITION_END, function () {
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called = true;
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});
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setTimeout(function () {
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if (!called) {
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Util.triggerTransitionEnd(_this);
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}
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}, duration);
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return this;
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}
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function setTransitionEndSupport() {
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transition = transitionEndTest();
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$.fn.emulateTransitionEnd = transitionEndEmulator;
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if (Util.supportsTransitionEnd()) {
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$.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
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}
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}
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function escapeId(selector) {
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// We escape IDs in case of special selectors (selector = '#myId:something')
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// $.escapeSelector does not exist in jQuery < 3
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selector = typeof $.escapeSelector === 'function' ? $.escapeSelector(selector).substr(1) : selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1');
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return selector;
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}
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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 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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selector = element.getAttribute('href') || '';
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} // If it's an ID
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if (selector.charAt(0) === '#') {
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selector = escapeId(selector);
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}
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try {
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var $selector = $(document).find(selector);
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return $selector.length > 0 ? selector : null;
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} catch (err) {
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return null;
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}
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},
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reflow: function reflow(element) {
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return element.offsetHeight;
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},
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triggerTransitionEnd: function triggerTransitionEnd(element) {
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$(element).trigger(transition.end);
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},
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supportsTransitionEnd: function supportsTransitionEnd() {
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return Boolean(transition);
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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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};
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setTransitionEndSupport();
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return Util;
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}($);
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//# sourceMappingURL=util.js.map
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