apostrophe/public/blueimp/js/cors/jquery.xdr-transport.js

Apostrophe is a user-friendly content management system. This core module of Apostrophe provides rich content editing and essential facilities to integrate Apostrophe into your Express project. Apostrophe also includes simple facilities for storing your r

/*
 * jQuery XDomainRequest Transport Plugin 1.1.3
 * https://github.com/blueimp/jQuery-File-Upload
 *
 * Copyright 2011, Sebastian Tschan
 * https://blueimp.net
 *
 * Licensed under the MIT license:
 * http://www.opensource.org/licenses/MIT
 *
 * Based on Julian Aubourg's ajaxHooks xdr.js:
 * https://github.com/jaubourg/ajaxHooks/
 */

/*jslint unparam: true */
/*global define, window, XDomainRequest */

(function (factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        // Register as an anonymous AMD module:
        define(['jquery'], factory);
    } else {
        // Browser globals:
        factory(window.jQuery);
    }
}(function ($) {
    'use strict';
    if (window.XDomainRequest && !$.support.cors) {
        $.ajaxTransport(function (s) {
            if (s.crossDomain && s.async) {
                if (s.timeout) {
                    s.xdrTimeout = s.timeout;
                    delete s.timeout;
                }
                var xdr;
                return {
                    send: function (headers, completeCallback) {
                        var addParamChar = /\?/.test(s.url) ? '&' : '?';
                        function callback(status, statusText, responses, responseHeaders) {
                            xdr.onload = xdr.onerror = xdr.ontimeout = $.noop;
                            xdr = null;
                            completeCallback(status, statusText, responses, responseHeaders);
                        }
                        xdr = new XDomainRequest();
                        // XDomainRequest only supports GET and POST:
                        if (s.type === 'DELETE') {
                            s.url = s.url + addParamChar + '_method=DELETE';
                            s.type = 'POST';
                        } else if (s.type === 'PUT') {
                            s.url = s.url + addParamChar + '_method=PUT';
                            s.type = 'POST';
                        } else if (s.type === 'PATCH') {
                            s.url = s.url + addParamChar + '_method=PATCH';
                            s.type = 'POST';
                        }
                        xdr.open(s.type, s.url);
                        xdr.onload = function () {
                            callback(
                                200,
                                'OK',
                                {text: xdr.responseText},
                                'Content-Type: ' + xdr.contentType
                            );
                        };
                        xdr.onerror = function () {
                            callback(404, 'Not Found');
                        };
                        if (s.xdrTimeout) {
                            xdr.ontimeout = function () {
                                callback(0, 'timeout');
                            };
                            xdr.timeout = s.xdrTimeout;
                        }
                        xdr.send((s.hasContent && s.data) || null);
                    },
                    abort: function () {
                        if (xdr) {
                            xdr.onerror = $.noop();
                            xdr.abort();
                        }
                    }
                };
            }
        });
    }
}));