--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/node_modules/shoestring/src/dom/closest.js	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,42 @@
+//>>excludeStart("exclude", pragmas.exclude);
+define([ "shoestring", "dom/is" ], function( shoestring ) {
+//>>excludeEnd("exclude");
+
+	/**
+	 * Find an element matching the selector in the set of the current element and its parents.
+	 *
+	 * @param {string} selector The selector used to identify the target element.
+	 * @return shoestring
+	 * @this shoestring
+	 */
+	shoestring.fn.closest = function( selector ){
+		var ret = [];
+
+		if( !selector ){
+			return shoestring( ret );
+		}
+
+		this.each(function(){
+			var element, $self = shoestring( element = this );
+
+			if( $self.is(selector) ){
+				ret.push( this );
+				return;
+			}
+
+			while( element.parentElement ) {
+				if( shoestring(element.parentElement).is(selector) ){
+					ret.push( element.parentElement );
+					break;
+				}
+
+				element = element.parentElement;
+			}
+		});
+
+		return shoestring( ret );
+	};
+
+//>>excludeStart("exclude", pragmas.exclude);
+});
+//>>excludeEnd("exclude");