/*!
 * jQuery UI Scroll Parent 1.13.2
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: scrollParent
//>>group: Core
//>>description: Get the closest ancestor element that is scrollable.
//>>docs: http://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;
    };

} );