v0.0.435 add ConvertStructToMapOpt.MaxDepth

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.434"
+const GoextVersion = "0.0.435"
 
-const GoextVersionTimestamp = "2024-04-15T10:43:26+0200"
+const GoextVersionTimestamp = "2024-04-15T12:55:44+0200"

reflectext/convertToMap.go

@@ -8,6 +8,7 @@ import (
 
 type ConvertStructToMapOpt struct {
 	KeepJsonMarshalTypes bool
+	MaxDepth             *int
 }
 
 func ConvertStructToMap(v any, opts ...ConvertStructToMapOpt) map[string]any {
@@ -16,7 +17,7 @@ func ConvertStructToMap(v any, opts ...ConvertStructToMapOpt) map[string]any {
 		opt = opts[0]
 	}
 
-	res := reflectToMap(reflect.ValueOf(v), opt)
+	res := reflectToMap(reflect.ValueOf(v), 1, opt)
 
 	if v, ok := res.(map[string]any); ok {
 		return v
@@ -27,14 +28,18 @@ func ConvertStructToMap(v any, opts ...ConvertStructToMapOpt) map[string]any {
 	}
 }
 
-func reflectToMap(fv reflect.Value, opt ConvertStructToMapOpt) any {
+func reflectToMap(fv reflect.Value, depth int, opt ConvertStructToMapOpt) any {
+
+	if opt.MaxDepth != nil && depth > *opt.MaxDepth {
+		return fv.Interface()
+	}
 
 	if fv.Kind() == reflect.Ptr {
 
 		if fv.IsNil() {
 			return nil
 		} else {
-			return reflectToMap(fv.Elem(), opt)
+			return reflectToMap(fv.Elem(), depth, opt)
 		}
 
 	}
@@ -51,7 +56,7 @@ func reflectToMap(fv reflect.Value, opt ConvertStructToMapOpt) any {
 		arrlen := fv.Len()
 		arr := make([]any, arrlen)
 		for i := 0; i < arrlen; i++ {
-			arr[i] = reflectToMap(fv.Index(i), opt)
+			arr[i] = reflectToMap(fv.Index(i), depth+1, opt)
 		}
 		return arr
 
@@ -62,7 +67,7 @@ func reflectToMap(fv reflect.Value, opt ConvertStructToMapOpt) any {
 		arrlen := fv.Len()
 		arr := make([]any, arrlen)
 		for i := 0; i < arrlen; i++ {
-			arr[i] = reflectToMap(fv.Index(i), opt)
+			arr[i] = reflectToMap(fv.Index(i), depth+1, opt)
 		}
 		return arr
 
@@ -85,7 +90,7 @@ func reflectToMap(fv reflect.Value, opt ConvertStructToMapOpt) any {
 
 		for i := 0; i < fv.NumField(); i++ {
 			if fv.Type().Field(i).IsExported() {
-				res[fv.Type().Field(i).Name] = reflectToMap(fv.Field(i), opt)
+				res[fv.Type().Field(i).Name] = reflectToMap(fv.Field(i), depth+1, opt)
 			}
 		}