define([
"../core",
"./var/nonce",
"./var/rquery",
"../ajax"
], function( jQuery, nonce, rquery ) {
var oldCallbacks = [],
rjsonp = /(=)\?(?=&|$)|\?\?/;
jQuery.ajaxSetup({
jsonp: "callback",
jsonpCallback: function() {
var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
this[ callback ] = true;
return callback;
}
});
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"
);
if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
s.jsonpCallback() :
s.jsonpCallback;
if ( jsonProp ) {
s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
} else if ( s.jsonp !== false ) {
s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
}
s.converters["script json"] = function() {
if ( !responseContainer ) {
jQuery.error( callbackName + " was not called" );
}
return responseContainer[ 0 ];
};
s.dataTypes[ 0 ] = "json";
overwritten = window[ callbackName ];
window[ callbackName ] = function() {
responseContainer = arguments;
};
jqXHR.always(function() {
window[ callbackName ] = overwritten;
if ( s[ callbackName ] ) {
s.jsonpCallback = originalSettings.jsonpCallback;
oldCallbacks.push( callbackName );
}
if ( responseContainer && jQuery.isFunction( overwritten ) ) {
overwritten( responseContainer[ 0 ] );
}
responseContainer = overwritten = undefined;
});
return "script";
}
});
});