chore: upgraded dependencies

Author: ralvarezdev

encoder/protojson/mapper.go

@@ -15,6 +15,7 @@ type (
 	// Mapper is the protoJSON mapper struct
 	Mapper struct {
 		reflectType        reflect.Type
+		optionalFields     map[string]struct{}
 		protoMessageFields map[string]struct{}
 		regularFields      map[string]struct{}
 		jsonFieldNames     map[string]string
@@ -43,6 +44,7 @@ func NewMapper(structInstance any) (*Mapper, error) {
 	reflectedValue := goreflect.GetDereferencedValue(structInstance)
 
 	// Prepare the different maps
+	optionalFields := make(map[string]struct{})
 	protoMessageFields := make(map[string]struct{})
 	regularFields := make(map[string]struct{})
 	jsonFieldNames := make(map[string]string)
@@ -72,6 +74,11 @@ func NewMapper(structInstance any) (*Mapper, error) {
 		if err != nil {
 			return nil, err
 		}
+		
+		// Check if the field is optional
+		if gostringsjson.IsJSONFieldOptional(jsonTag){
+			optionalFields[fieldName] = struct{}{}
+		}
 
 		// Store the JSON field name
 		jsonFieldNames[fieldName] = jsonFieldName
@@ -101,6 +108,7 @@ func NewMapper(structInstance any) (*Mapper, error) {
 	}
 	return &Mapper{
 		reflectType:        reflectedType,
+		optionalFields:     optionalFields,
 		protoMessageFields: protoMessageFields,
 		regularFields:      regularFields,
 		jsonFieldNames:     jsonFieldNames,
@@ -161,6 +169,14 @@ func (m *Mapper) PrecomputeMarshalByReflection(
 
 		// Get the field value
 		fieldValueInterface := fieldValue.Interface()
+		
+		// Check if the field is optional and is nil
+		if _, optionalOk := m.optionalFields[fieldName]; optionalOk {
+			if fieldValue.IsNil() {
+				// Skip nil optional fields
+				continue
+			}
+		}
 
 		// Check if the field is a regular field
 		if _, regularOk := m.regularFields[fieldName]; regularOk {

go.mod

@@ -4,6 +4,6 @@ go 1.25.1
 
 require (
 	github.com/ralvarezdev/go-reflect v0.3.1
-	github.com/ralvarezdev/go-strings v0.2.1
+	github.com/ralvarezdev/go-strings v0.2.2
 	google.golang.org/protobuf v1.36.10
 )

go.sum

@@ -2,7 +2,7 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/ralvarezdev/go-reflect v0.3.1 h1:+u59QNddIwI0lQWhWqO5gYGKC4oR0DP50uEpLxwdS/4=
 github.com/ralvarezdev/go-reflect v0.3.1/go.mod h1:CsZqMmJCXYow9l2YQIdvIe/q7aeRtlA3gq0r9dmLEN0=
-github.com/ralvarezdev/go-strings v0.2.1 h1:bWq0bzzGrPfCrdK5ptUT6+xTMuvvXQ0Q3fARFWV/7AY=
-github.com/ralvarezdev/go-strings v0.2.1/go.mod h1:8sFOqmPJpqzS7bTjf91EzUCITnwpmkfifwY80GxV5r8=
+github.com/ralvarezdev/go-strings v0.2.2 h1:lqrI4GJdA/fIDNGgNk0O0ja2YE3jG9yQpql0mA+J4Fk=
+github.com/ralvarezdev/go-strings v0.2.2/go.mod h1:8sFOqmPJpqzS7bTjf91EzUCITnwpmkfifwY80GxV5r8=
 google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
 google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=