Adds nested param serialization; Closes #4201 (by merbjedi)

[jquery.git] / src / ajax.js

diff --git a/src/ajax.js b/src/ajax.js
index 7760593..c3927d1 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -588,23 +588,28 @@ jQuery.extend({
                // of form elements
                if ( jQuery.isArray(a) || a.jquery ) {
                        // Serialize the form elements
-                       jQuery.each( a, function(){
+                       jQuery.each( a, function() {
                                add( this.name, this.value );
                        });
-
-               // Otherwise, assume that it's an object of key/value pairs
                } else {
-                       // Serialize the key/values
-                       for ( var j in a ) {
-                               // If the value is an array then the key names need to be repeated
-                               if ( jQuery.isArray(a[j]) ) {
-                                       jQuery.each( a[j], function(){
-                                               add( j, this );
-                                       });
+                       // Recursively encode parameters from object, 
+                       // building a prefix path as we go down
+                       function buildParams(obj, prefix)
+                       {
+                               if ( jQuery.isArray(obj) ) {
+                                       for ( var i = 0, length = obj.length; i < length; i++ ) {
+                                               buildParams( obj[i], prefix );
+                                       };
+                               } else if( typeof(obj) == "object" ) {
+                                       for ( var j in obj ) {
+                                               var postfix = ((j.indexOf("[]") > 0) ? "[]" : ""); // move any brackets to the end
+                                               buildParams(obj[j], (prefix ? (prefix+"["+j.replace("[]", "")+"]"+postfix) : j) );
+                                       }
                                } else {
-                                       add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
+                                       add( prefix, jQuery.isFunction(obj) ? obj() : obj );
                                }
                        }
+                       buildParams(a);
                }
 
                // Return the resulting serialization