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/ * !
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* Bootstrap util . js v4 . 2.0 ( https : //getbootstrap.com/)
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* Copyright 2011 - 2018 The Bootstrap Authors ( https : //github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT ( https : //github.com/twbs/bootstrap/blob/master/LICENSE)
* /
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( 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' ] : $ ;
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/ * *
* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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* Bootstrap ( v4 . 2.0 ) : 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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/ * *
* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
* Private TransitionEnd Helpers
* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
* /
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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 ( $ ( event . target ) . is ( this ) ) {
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
}
} ;
}
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 ( ) {
$ . fn . emulateTransitionEnd = transitionEndEmulator ;
$ . event . special [ Util . TRANSITION _END ] = getSpecialTransitionEndEvent ( ) ;
}
/ * *
* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
* Public Util Api
* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
* /
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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 ) ) ;
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return prefix ;
} ,
getSelectorFromElement : function getSelectorFromElement ( element ) {
var selector = element . getAttribute ( 'data-target' ) ;
if ( ! selector || selector === '#' ) {
var hrefAttr = element . getAttribute ( 'href' ) ;
selector = hrefAttr && hrefAttr !== '#' ? hrefAttr . trim ( ) : '' ;
}
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return selector && document . querySelector ( selector ) ? selector : null ;
} ,
getTransitionDurationFromElement : function getTransitionDurationFromElement ( element ) {
if ( ! element ) {
return 0 ;
} // Get transition-duration of the element
var transitionDuration = $ ( element ) . css ( 'transition-duration' ) ;
var transitionDelay = $ ( element ) . css ( 'transition-delay' ) ;
var floatTransitionDuration = parseFloat ( transitionDuration ) ;
var floatTransitionDelay = parseFloat ( transitionDelay ) ; // Return 0 if element or transition duration is not found
if ( ! floatTransitionDuration && ! floatTransitionDelay ) {
return 0 ;
} // If multiple durations are defined, take the first
transitionDuration = transitionDuration . split ( ',' ) [ 0 ] ;
transitionDelay = transitionDelay . split ( ',' ) [ 0 ] ;
return ( parseFloat ( transitionDuration ) + parseFloat ( transitionDelay ) ) * MILLISECONDS _MULTIPLIER ;
} ,
reflow : function reflow ( element ) {
return element . offsetHeight ;
} ,
triggerTransitionEnd : function triggerTransitionEnd ( element ) {
$ ( 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 + "\"." ) ) ;
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}
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}
}
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} ,
findShadowRoot : function findShadowRoot ( element ) {
if ( ! document . documentElement . attachShadow ) {
return null ;
} // Can find the shadow root otherwise it'll return the document
if ( typeof element . getRootNode === 'function' ) {
var root = element . getRootNode ( ) ;
return root instanceof ShadowRoot ? root : null ;
}
if ( element instanceof ShadowRoot ) {
return element ;
} // when we don't find a shadow root
if ( ! element . parentNode ) {
return null ;
}
return Util . findShadowRoot ( element . parentNode ) ;
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}
} ;
setTransitionEndSupport ( ) ;
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return Util ;
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} ) ) ) ;
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