Pony.fm/resources/assets/scripts/shared/jquery-extensions.js

/**
 * Pony.fm - A community for pony fan music.
 * Copyright (C) 2015 Feld0
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


if (jQuery.when.all===undefined) {
	jQuery.when.all = function(deferreds) {
		var deferred = new jQuery.Deferred();
		$.when.apply(jQuery, deferreds).then(
			function() {
				deferred.resolve(Array.prototype.slice.call(arguments));
			},
			function() {
				deferred.fail(Array.prototype.slice.call(arguments));
			});

		return deferred;
	}
}


// Include the CSRF token with all jQuery AJAX requests
jQuery.ajaxPrefilter(function(options, originalOptions, jqXHR) {
    if (!options.crossDomain) {
        jqXHR.setRequestHeader('X-XSRF-TOKEN', jQuery.cookie('XSRF-TOKEN'))
    }
});