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/**
* --------------------------------------------------------------------------
* Bootstrap (v4.0.0): util.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var Util = function ($) {
/**
* ------------------------------------------------------------------------
* Private TransitionEnd Helpers
* ------------------------------------------------------------------------
*/
var transition = false;
var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
function toType(obj) {
return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
}
function getSpecialTransitionEndEvent() {
return {
bindType: transition.end,
delegateType: transition.end,
handle: function handle(event) {
if ($(event.target).is(this)) {
return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
}
return undefined; // eslint-disable-line no-undefined
}
};
}
function transitionEndTest() {
if (typeof window !== 'undefined' && window.QUnit) {
return false;
}
return {
end: 'transitionend'
};
}
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) {
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;
},
getSelectorFromElement: function getSelectorFromElement(element) {
var selector = element.getAttribute('data-target');
if (!selector || selector === '#') {
selector = element.getAttribute('href') || '';
}
try {
var $selector = $(document).find(selector);
return $selector.length > 0 ? selector : null;
} catch (err) {
return null;
}
},
reflow: function reflow(element) {
return element.offsetHeight;
},
triggerTransitionEnd: function triggerTransitionEnd(element) {
$(element).trigger(transition.end);
},
supportsTransitionEnd: function supportsTransitionEnd() {
return Boolean(transition);
},
isElement: function isElement(obj) {
return (obj[0] || obj).nodeType;
},
typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
for (var property in configTypes) {
if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
var expectedTypes = configTypes[property];
var value = config[property];
var valueType = value && Util.isElement(value) ? 'element' : toType(value);
if (!new RegExp(expectedTypes).test(valueType)) {
throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
}
}
}
}
};
setTransitionEndSupport();
return Util;
}($);
//# sourceMappingURL=util.js.map
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