--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/default/node_modules/shoestring/src/events/one.js	Sat May 31 09:21:51 2025 +0800
@@ -0,0 +1,39 @@
+//>>excludeStart("exclude", pragmas.exclude);
+define([ "shoestring", "events/bind", "events/unbind" ], function(){
+//>>excludeEnd("exclude");
+
+	/**
+	 * Bind a callback to an event for the currrent set of elements, unbind after one occurence.
+	 *
+	 * @param {string} event The event(s) to watch for.
+	 * @param {function} callback Callback to invoke on the event.
+	 * @return shoestring
+	 * @this shoestring
+	 */
+	shoestring.fn.one = function( event, callback ){
+		var evts = event.split( " " );
+
+		return this.each(function(){
+			var thisevt, cbs = {},	$t = shoestring( this );
+
+			for( var i = 0, il = evts.length; i < il; i++ ){
+				thisevt = evts[ i ];
+
+				cbs[ thisevt ] = function( e ){
+					var $t = shoestring( this );
+
+					for( var j in cbs ) {
+						$t.unbind( j, cbs[ j ] );
+					}
+
+					return callback.apply( this, [ e ].concat( e._args ) );
+				};
+
+				$t.bind( thisevt, cbs[ thisevt ] );
+			}
+		});
+	};
+
+//>>excludeStart("exclude", pragmas.exclude);
+});
+//>>excludeEnd("exclude");