Club Drupal

define([

        "../core",

        "./var/nonce",

        "./var/rquery",

        "../ajax"

], function( jQuery, nonce, rquery ) {

var oldCallbacks = [],

        rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings

jQuery.ajaxSetup({

        jsonp: "callback",

        jsonpCallback: function() {

                var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );

                this[ callback ] = true;

                return callback;

        }

});

// Detect, normalize options and install callbacks for jsonp requests

jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

        var callbackName, overwritten, responseContainer,

                jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?

                        "url" :

                        typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"

                );

        // Handle iff the expected data type is "jsonp" or we have a parameter to set

        if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

                // Get callback name, remembering preexisting value associated with it

                callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?

                        s.jsonpCallback() :

                        s.jsonpCallback;

                // Insert callback into url or form data

                if ( jsonProp ) {

                        s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );

                } else if ( s.jsonp !== false ) {

                        s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;

                }

                // Use data converter to retrieve json after script execution

                s.converters["script json"] = function() {

                        if ( !responseContainer ) {

                                jQuery.error( callbackName + " was not called" );

                        }

                        return responseContainer[ 0 ];

                };

                // force json dataType

                s.dataTypes[ 0 ] = "json";

                // Install callback

                overwritten = window[ callbackName ];

                window[ callbackName ] = function() {

                        responseContainer = arguments;

                };

                // Clean-up function (fires after converters)

                jqXHR.always(function() {

                        // Restore preexisting value

                        window[ callbackName ] = overwritten;

                        // Save back as free

                        if ( s[ callbackName ] ) {

                                // make sure that re-using the options doesn't screw things around

                                s.jsonpCallback = originalSettings.jsonpCallback;

                                // save the callback name for future use

                                oldCallbacks.push( callbackName );

                        }

                        // Call if it was a function and we have a response

                        if ( responseContainer && jQuery.isFunction( overwritten ) ) {

                                overwritten( responseContainer[ 0 ] );

                        }

                        responseContainer = overwritten = undefined;

                });

                // Delegate to script

                return "script";

        }

});

});