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/*!
* jQuery UI Scroll Parent @VERSION
* https://jqueryui.com
*
* Copyright OpenJS Foundation and other contributors
* Released under the MIT license.
* https://jquery.org/license
*/
//>>label: scrollParent
//>>group: Core
//>>description: Get the closest ancestor element that is scrollable.
//>>docs: https://api.jqueryui.com/scrollParent/
( function( factory ) {
"use strict";
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define( [ "jquery", "./version" ], factory );
} else {
// Browser globals
factory( jQuery );
}
} )( function( $ ) {
"use strict";
return $.fn.scrollParent = function( includeHidden ) {
var position = this.css( "position" ),
excludeStaticParent = position === "absolute",
overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
scrollParent = this.parents().filter( function() {
var parent = $( this );
if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
return false;
}
return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
parent.css( "overflow-x" ) );
} ).eq( 0 );
return position === "fixed" || !scrollParent.length ?
$( this[ 0 ].ownerDocument || document ) :
scrollParent;
};
} );
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