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Bootstrap/dist/js/umd/util.js

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(function (global, factory) {
if (typeof define === 'function' && define.amd) {
define(['exports', 'module'], factory);
} else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
factory(exports, module);
} else {
var mod = {
exports: {}
};
factory(mod.exports, mod);
global.util = mod.exports;
}
})(this, function (exports, module) {
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.0.0): util.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
'use strict';
var Util = (function ($) {
/**
* ------------------------------------------------------------------------
* Private TransitionEnd Helpers
* ------------------------------------------------------------------------
*/
var transition = false;
var TransitionEndEvent = {
WebkitTransition: 'webkitTransitionEnd',
MozTransition: 'transitionend',
OTransition: 'oTransitionEnd otransitionend',
transition: 'transitionend'
};
// shoutout AngusCroll (https://goo.gl/pxwQGp)
function toType(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
}
function isElement(obj) {
return (obj[0] || obj).nodeType;
}
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function getSpecialTransitionEndEvent() {
return {
bindType: transition.end,
delegateType: transition.end,
handle: function handle(event) {
if ($(event.target).is(this)) {
return event.handleObj.handler.apply(this, arguments);
}
}
};
}
function transitionEndTest() {
if (window.QUnit) {
return false;
}
var el = document.createElement('bootstrap');
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for (var _name in TransitionEndEvent) {
if (el.style[_name] !== undefined) {
return { end: TransitionEndEvent[_name] };
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}
}
return false;
}
function transitionEndEmulator(duration) {
var _this = this;
var called = false;
$(this).one(Util.TRANSITION_END, function () {
called = true;
});
setTimeout(function () {
if (!called) {
Util.triggerTransitionEnd(_this);
}
}, duration);
return this;
}
function setTransitionEndSupport() {
transition = transitionEndTest();
$.fn.emulateTransitionEnd = transitionEndEmulator;
if (Util.supportsTransitionEnd()) {
$.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
}
}
/**
* --------------------------------------------------------------------------
* Public Util Api
* --------------------------------------------------------------------------
*/
var Util = {
TRANSITION_END: 'bsTransitionEnd',
getUID: function getUID(prefix) {
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do {
prefix += ~ ~(Math.random() * 1000000);
} while (document.getElementById(prefix));
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return prefix;
},
getSelectorFromElement: function getSelectorFromElement(element) {
var selector = element.getAttribute('data-target');
if (!selector) {
selector = element.getAttribute('href') || '';
selector = /^#[a-z]/i.test(selector) ? selector : null;
}
return selector;
},
reflow: function reflow(element) {
new Function('bs', 'return bs')(element.offsetHeight);
},
triggerTransitionEnd: function triggerTransitionEnd(element) {
$(element).trigger(transition.end);
},
supportsTransitionEnd: function supportsTransitionEnd() {
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return Boolean(transition);
},
typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
for (var property in configTypes) {
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if (configTypes.hasOwnProperty(property)) {
var expectedTypes = configTypes[property];
var value = config[property];
var valueType = undefined;
if (value && isElement(value)) {
valueType = 'element';
} else {
valueType = toType(value);
}
if (!new RegExp(expectedTypes).test(valueType)) {
throw new Error(componentName.toUpperCase() + ': ' + ('Option "' + property + '" provided type "' + valueType + '" ') + ('but expected type "' + expectedTypes + '".'));
}
}
}
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}
};
setTransitionEndSupport();
return Util;
})(jQuery);
module.exports = Util;
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});