feat: Export as option

Author: erezrokah

transformers/name.go

@@ -26,7 +26,7 @@ func DefaultNameTransformer(field reflect.StructField) (string, error) {
 	return defaultCaser.ToSnake(name), nil
 }
 
-func JSONTagOrFieldName(field reflect.StructField) (string, error) {
+func DefaultJSONColumnSchemaNameTransformer(field reflect.StructField) (string, error) {
 	name := field.Name
 	if jsonTag := strings.Split(field.Tag.Get("json"), ",")[0]; len(jsonTag) > 0 {
 		// return empty string if the field is not related api response

transformers/options.go

@@ -31,6 +31,14 @@ func WithNameTransformer(transformer NameTransformer) StructTransformerOption {
 	}
 }
 
+// WithJSONSchemaNameTransformer overrides how column name will be determined.
+// DefaultJSONColumnSchemaNameTransformer is used as the default.
+func WithJSONSchemaNameTransformer(transformer NameTransformer) StructTransformerOption {
+	return func(t *structTransformer) {
+		t.jsonSchemaNameTransformer = transformer
+	}
+}
+
 // WithTypeTransformer overrides how column type will be determined.
 // DefaultTypeTransformer is used as the default.
 func WithTypeTransformer(transformer TypeTransformer) StructTransformerOption {

transformers/struct.go

@@ -29,6 +29,7 @@ type structTransformer struct {
 	pkFieldsFound                 []string
 	pkComponentFields             []string
 	pkComponentFieldsFound        []string
+	jsonSchemaNameTransformer     NameTransformer
 
 	maxJSONTypeSchemaDepth int
 }
@@ -194,11 +195,12 @@ func (t *structTransformer) addColumnFromField(field reflect.StructField, parent
 
 func TransformWithStruct(st any, opts ...StructTransformerOption) schema.Transform {
 	t := &structTransformer{
-		nameTransformer:          DefaultNameTransformer,
-		typeTransformer:          DefaultTypeTransformer,
-		resolverTransformer:      DefaultResolverTransformer,
-		ignoreInTestsTransformer: DefaultIgnoreInTestsTransformer,
-		maxJSONTypeSchemaDepth:   DefaultMaxJSONTypeSchemaDepth,
+		nameTransformer:           DefaultNameTransformer,
+		typeTransformer:           DefaultTypeTransformer,
+		resolverTransformer:       DefaultResolverTransformer,
+		ignoreInTestsTransformer:  DefaultIgnoreInTestsTransformer,
+		jsonSchemaNameTransformer: DefaultJSONColumnSchemaNameTransformer,
+		maxJSONTypeSchemaDepth:    DefaultMaxJSONTypeSchemaDepth,
 	}
 	for _, opt := range opts {
 		opt(t)
@@ -284,7 +286,7 @@ func (t *structTransformer) fieldToJSONSchema(field reflect.StructField, depth i
 			if !structField.IsExported() || isTypeIgnored(structField.Type) {
 				continue
 			}
-			name, err := JSONTagOrFieldName(structField)
+			name, err := t.jsonSchemaNameTransformer(structField)
 			if err != nil {
 				continue
 			}