mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Thanks
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cceb09abe8
Change-Id: I505dca84d0e864a4ac96c71747f08a062ddc1865
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
( function () {
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/** @class jQuery */
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/**
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* Adds support to find parent elements using .closest with less-than selector syntax.
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*
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* $.findWithParent( $div, "< html div < body" ); // find closest parent of $div "html", find child "div" of it, find closest parent "body" of that, return "body"
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* $( '#foo' ).findWithParent( '.bar < .baz' ); // find child ".bar" of "#foo", return closest parent ".baz" from there
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*
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* @method findWithParent
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* @param {jQuery|HTMLElement|string} $context
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* @param {string} selector
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* @return {jQuery}
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*/
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function jQueryFindWithParent( $context, selector ) {
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$context = $( $context );
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selector = selector.trim();
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let matches;
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while ( selector && ( matches = selector.match( /(.*?(?:^|[>\s+~]))(<\s*[^>\s+~]+)(.*?)$/ ) ) ) {
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if ( matches[ 1 ].trim() ) {
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$context = $context.find( matches[ 1 ] );
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}
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if ( matches[ 2 ].trim() ) {
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$context = $context.closest( matches[ 2 ].slice( 1 ) );
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}
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selector = matches[ 3 ].trim();
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}
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if ( selector ) {
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$context = $context.find( selector );
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}
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return $context;
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}
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$.findWithParent = jQueryFindWithParent;
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/** @class jQuery.fn */
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/**
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* @param {string} selector
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* @return {jQuery}
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* @see jQuery#findWithParent
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*/
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$.fn.findWithParent = function ( selector ) {
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const selectors = selector.split( ',' );
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let $elements = $();
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selectors.forEach( ( sel ) => {
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$elements = $elements.add( jQueryFindWithParent( this, sel ) );
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} );
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return $elements;
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};
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}() );
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