(function( jQuery ) {
var jsc = jQuery.now(),
- jsre = /(\=)(?:\?|%3F)(&|$)|()(?:\?\?|%3F%3F)()/i,
- rquery_jsonp = /\?/;
+ jsre = /(\=)\?(&|$)|\?\?/i;
// Default jsonp settings
jQuery.ajaxSetup({
jsonp: "callback",
jsonpCallback: function() {
- return "jsonp" + jsc++;
+ return jQuery.expando + "_" + ( jsc++ );
}
+});
// Detect, normalize options and install callbacks for jsonp requests
-}).ajaxPrefilter("json jsonp", function(s, originalSettings) {
+jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
+
+ var dataIsString = ( typeof s.data === "string" );
if ( s.dataTypes[ 0 ] === "jsonp" ||
- originalSettings.jsonp ||
originalSettings.jsonpCallback ||
- jsre.test(s.url) ||
- typeof(s.data) === "string" && jsre.test(s.data) ) {
+ originalSettings.jsonp != null ||
+ s.jsonp !== false && ( jsre.test( s.url ) ||
+ dataIsString && jsre.test( s.data ) ) ) {
var responseContainer,
jsonpCallback = s.jsonpCallback =
jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback,
previous = window[ jsonpCallback ],
- url = s.url.replace(jsre, "$1" + jsonpCallback + "$2"),
- data = s.url === url && typeof(s.data) === "string" ? s.data.replace(jsre, "$1" + jsonpCallback + "$2") : s.data;
+ url = s.url,
+ data = s.data,
+ replace = "$1" + jsonpCallback + "$2",
+ cleanUp = function() {
+ // Set callback back to previous value
+ window[ jsonpCallback ] = previous;
+ // Call if it was a function and we have a response
+ if ( responseContainer && jQuery.isFunction( previous ) ) {
+ window[ jsonpCallback ]( responseContainer[ 0 ] );
+ }
+ };
- if ( url === s.url && data === s.data ) {
- url += (rquery_jsonp.test( url ) ? "&" : "?") + s.jsonp + "=" + jsonpCallback;
+ if ( s.jsonp !== false ) {
+ url = url.replace( jsre, replace );
+ if ( s.url === url ) {
+ if ( dataIsString ) {
+ data = data.replace( jsre, replace );
+ }
+ if ( s.data === data ) {
+ // Add callback manually
+ url += (/\?/.test( url ) ? "&" : "?") + s.jsonp + "=" + jsonpCallback;
+ }
+ }
}
s.url = url;
s.data = data;
- window [ jsonpCallback ] = function( response ) {
- responseContainer = [response];
+ // Install callback
+ window[ jsonpCallback ] = function( response ) {
+ responseContainer = [ response ];
};
- s.complete = [function() {
-
- // Set callback back to previous value
- window[ jsonpCallback ] = previous;
-
- // Call if it was a function and we have a response
- if ( previous) {
- if ( responseContainer && jQuery.isFunction ( previous ) ) {
- window[ jsonpCallback ] ( responseContainer[0] );
- }
- } else {
- // else, more memory leak avoidance
- try{ delete window[ jsonpCallback ]; } catch(e){}
- }
-
- }, s.complete ];
+ // Install cleanUp function
+ jqXHR.then( cleanUp, cleanUp );
// Use data converter to retrieve json after script execution
s.converters["script json"] = function() {
- if ( ! responseContainer ) {
+ if ( !responseContainer ) {
jQuery.error( jsonpCallback + " was not called" );
}
return responseContainer[ 0 ];
// Delegate to script
return "script";
}
-});
+} );
})( jQuery );