jquery-ui/ui/jquery-patch.js

/*!
 * jQuery UI Legacy jQuery Core patches @VERSION
 * https://jqueryui.com
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * https://jquery.org/license
 *
 */

//>>label: Legacy jQuery Core patches
//>>group: Core
//>>description: Backport `.even()`, `.odd()` and `$.escapeSelector` to older jQuery Core versions (deprecated)

( 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";

// Support: jQuery 2.2.x or older.
// This method has been defined in jQuery 3.0.0.
// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js
if ( !$.escapeSelector ) {
	$.escapeSelector = function( id ) {
		return CSS.escape( id + "" );
	};
}

// Support: jQuery 3.4.x or older
// These methods have been defined in jQuery 3.5.0.
if ( !$.fn.even || !$.fn.odd ) {
	$.fn.extend( {
		even: function() {
			return this.filter( function( i ) {
				return i % 2 === 0;
			} );
		},
		odd: function() {
			return this.filter( function( i ) {
				return i % 2 === 1;
			} );
		}
	} );
}

} );