error handling nested checkboxes as stringarray

jquery.serialize-object.js

@@ -48,36 +48,49 @@
     }
 
     function makeObject(root, value) {
-
-      var keys = root.match(patterns.key), k;
+      var keys = root.match(patterns.key), k, key_pushes = '';
 
       // nest, nest, ..., nest
       while ((k = keys.pop()) !== undefined) {
         // foo[]
         if (patterns.push.test(k)) {
-          var idx = incrementPush(root.replace(/\[\]$/, ''));
+          var idx = incrementPush(keys.join('.'), key_pushes);
           value = build([], idx, value);
+          key_pushes += '[' + idx +']';
         }
 
         // foo[n]
         else if (patterns.fixed.test(k)) {
           value = build([], k, value);
+          key_pushes += '[' + k + ']';
         }
 
         // foo; foo[bar]
         else if (patterns.named.test(k)) {
           value = build({}, k, value);
+          key_pushes += k;
         }
       }
 
       return value;
     }
 
-    function incrementPush(key) {
-      if (pushes[key] === undefined) {
-        pushes[key] = 0;
+    function incrementPush(path, key) {
+      pushes[path] = pushes[path] || {
+        size: 0,
+        keys_set: {}
+      };
+      if (pushes[path].keys_set[key]) {
+        pushes[path].size ++;
+        pushes[path].keys_set = {}
+        for (var sub_path in pushes){
+          if (sub_path != path && 0 == sub_path.indexOf(path)){
+            pushes[sub_path] = undefined;
+          }
+        }
       }
-      return pushes[key]++;
+      pushes[path].keys_set[key] = true
+      return pushes[path].size;
     }
 
     function encode(pair) {

test/integration/encode-test.js

@@ -17,6 +17,26 @@ describe("encode", function() {
     assert.deepEqual($form.serializeObject(), {a: {b: {c: true}}});
   });
 
+  it("checkbox inputs as array don't break", function() {
+    var $form = $('<form><input type="checkbox" name="a[]" value="c" checked></form>');
+    assert.deepEqual($form.serializeObject(), {a: ["c"] });
+  });
+
+  it("checkbox inputs as nested arrays don't break", function() {
+    var $form = $('<form><input type="checkbox" name="a[][b][]" value="c" checked><input type="checkbox" name="a[][b][]" value="d"></form>');
+    assert.deepEqual($form.serializeObject(), {a: [ { b: ["c"]}]});
+  });
+
+  it("crazy nested arrays don't break", function() {
+    var $form = $('<form><input name="a[][b]" value="1"><input name="a[][c][]" value="2"><input name="a[][c][]" value="3"><input name="a[][b]" value="4"><input name="a[][c][]" value="5"><input name="a[][c][]" value="6"></form>');
+    assert.deepEqual($form.serializeObject(), {a: [ { b: "1", c: ["2", "3"] }, { b: "4", c: ["5", "6"] } ]});
+  });
+
+  it("checkbox inputs as nested arrays with a sibling don't break", function() {
+    var $form = $('<form><input type="checkbox" name="a[][b][]" value="c" checked><input name="a[][d]" value="e" checked></form>');
+    assert.deepEqual($form.serializeObject(), {a: [ { b: ["c"], d: 'e' } ]});
+  });
+
   it("checkbox inputs as booleans if value is 'on'", function() {
     var $form = $('<form><input type="checkbox" name="a" value="on" checked></form>');
     assert.deepEqual($form.serializeObject(), {a: true});