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( function ( $ ) {
/** @class jQuery */
/**
* Gives support to find parent elements using .closest with less-than selector syntax.
*
* $.findWithParent( $div, "< html div < body" ); // find closest parent of $div "html", find child "div" of it, find closest parent "body" of that, return "body"
* $( '#foo' ).findWithParent( '.bar < .baz' ); // find child ".bar" of "#foo", return closest parent ".baz" from there
*
* @method findWithParent
* @param {jQuery|HTMLElement|string} $context
* @param {string} selector
* @return {jQuery}
*/
function jQueryFindWithParent( $context, selector ) {
var matches;
$context = $( $context );
selector = $.trim( selector );
while ( selector && ( matches = selector.match( /(.*?(?:^|[>\s+~]))(<\s*[^>\s+~]+)(.*?)$/ ) ) ) {
if ( $.trim( matches[ 1 ] ) ) {
$context = $context.find( matches[ 1 ] );
}
if ( $.trim( matches[ 2 ] ) ) {
$context = $context.closest( matches[ 2 ].substr( 1 ) );
}
selector = $.trim( matches[ 3 ] );
}
if ( selector ) {
$context = $context.find( selector );
}
return $context;
}
$.findWithParent = jQueryFindWithParent;
/** @class jQuery.fn */
/**
* @param {string} selector
* @return {jQuery}
* See {@link jQuery#findWithParent}
*/
$.fn.findWithParent = function ( selector ) {
var selectors = selector.split( ',' ),
$elements = $(),
self = this;
$.each( selectors, function ( i, selector ) {
$elements = $elements.add( jQueryFindWithParent( self, selector ) );
} );
return $elements;
};
}( jQuery ) );
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