0
0
mirror of https://github.com/twbs/bootstrap.git synced 2024-12-12 00:08:59 +01:00
Bootstrap/js/dist/util.js
Mark Otto c0fd91788e dist
2018-08-18 20:22:08 -07:00

153 lines
5.1 KiB
JavaScript

(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
typeof define === 'function' && define.amd ? define(['jquery'], factory) :
(global.Util = factory(global.jQuery));
}(this, (function ($) { 'use strict';
$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.1.3): util.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
var Util = function ($$$1) {
/**
* ------------------------------------------------------------------------
* Private TransitionEnd Helpers
* ------------------------------------------------------------------------
*/
var TRANSITION_END = 'transitionend';
var MAX_UID = 1000000;
var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
function toType(obj) {
return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
}
function getSpecialTransitionEndEvent() {
return {
bindType: TRANSITION_END,
delegateType: TRANSITION_END,
handle: function handle(event) {
if ($$$1(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 transitionEndEmulator(duration) {
var _this = this;
var called = false;
$$$1(this).one(Util.TRANSITION_END, function () {
called = true;
});
setTimeout(function () {
if (!called) {
Util.triggerTransitionEnd(_this);
}
}, duration);
return this;
}
function setTransitionEndSupport() {
$$$1.fn.emulateTransitionEnd = transitionEndEmulator;
$$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
}
/**
* --------------------------------------------------------------------------
* Public Util Api
* --------------------------------------------------------------------------
*/
var Util = {
TRANSITION_END: 'bsTransitionEnd',
getUID: function getUID(prefix) {
do {
// eslint-disable-next-line no-bitwise
prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
} while (document.getElementById(prefix));
return prefix;
},
getSelectorFromElement: function getSelectorFromElement(element) {
var selector = element.getAttribute('data-target');
var method = 'querySelector';
if (!selector || selector === '#') {
selector = (element.getAttribute('href') || '').trim();
}
var validSelector = selector;
if (selector.charAt(0) === '#' && selector.indexOf(',') === -1) {
selector = selector.substr(1);
method = 'getElementById';
}
try {
return document[method](selector) ? validSelector : null;
} catch (err) {
return null;
}
},
getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
if (!element) {
return 0;
} // Get transition-duration of the element
var transitionDuration = $$$1(element).css('transition-duration');
var floatTransitionDuration = parseFloat(transitionDuration); // Return 0 if element or transition duration is not found
if (!floatTransitionDuration) {
return 0;
} // If multiple durations are defined, take the first
transitionDuration = transitionDuration.split(',')[0];
return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER;
},
reflow: function reflow(element) {
return element.offsetHeight;
},
triggerTransitionEnd: function triggerTransitionEnd(element) {
$$$1(element).trigger(TRANSITION_END);
},
// TODO: Remove in v5
supportsTransitionEnd: function supportsTransitionEnd() {
return Boolean(TRANSITION_END);
},
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;
}($);
return Util;
})));
//# sourceMappingURL=util.js.map