util.js 4.62 KiB
(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 ($) {
    /**
     * ------------------------------------------------------------------------
     * Private TransitionEnd Helpers
     * ------------------------------------------------------------------------
    var transition = false;
    var TransitionEndEvent = {
      WebkitTransition: 'webkitTransitionEnd',
      MozTransition: 'transitionend',
      OTransition: 'oTransitionEnd otransitionend',
      transition: 'transitionend'
    // shoutout AngusCroll (https://goo.gl/pxwQGp)
    function toType(obj) {
      return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
    function isElement(obj) {
      return (obj[0] || obj).nodeType;
    function getSpecialTransitionEndEvent() {
      return {
        bindType: transition.end,
        delegateType: transition.end,
        handle: function handle(event) {
          if ($(event.target).is(this)) {
            return event.handleObj.handler.apply(this, arguments);
    function transitionEndTest() {
      if (window.QUnit) {
        return false;
      var el = document.createElement('bootstrap');
      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) { do { prefix += ~ ~(Math.random() * 1000000); // "~~" 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 = 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); },
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supportsTransitionEnd: function supportsTransitionEnd() { return Boolean(transition); }, typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) { for (var property in configTypes) { 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 + '".')); } } } } }; setTransitionEndSupport(); return Util; })(jQuery); module.exports = Util; });