- Fix finalizer

components/finalizer/finalizer.go

@@ -260,7 +260,7 @@ func Finalize(encTagName string, v interface{}, groups ...string) interface{} {
 					elemKind == reflect.Array ||
 					elemKind == reflect.Map {
 					ptr := elemValue.Interface()
-					if res := Finalize(encTagName, ptr, groups...); res != nil && res != ptr {
+					if res := Finalize(encTagName, ptr, groups...); res != nil {
 						val.SetMapIndex(key, reflect.ValueOf(res))
 					}
 				}

components/finalizer/finalizer_test.go

@@ -0,0 +1,29 @@
+package finalizer
+
+import (
+	"testing"
+
+	"fmt"
+
+	"github.com/itrabbit/just"
+)
+
+type ObjA struct {
+	Name string `json:"name"`
+}
+
+type ObjM struct {
+	Data just.H `json:"data,omitempty"`
+}
+
+func TestFinalize(t *testing.T) {
+	obj := ObjM{
+		Data: just.H{
+			"obj": ObjA{
+				Name: "test",
+			},
+		},
+	}
+	m := Finalize("json", &obj, "public", "private")
+	fmt.Println(m)
+}