From 8d52b41f579d0c1a63fb4bfd993cd20297f56e7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20Schw=C3=B6rer?= <pubgit@mikescher.com>
Date: Mon, 15 Apr 2024 12:55:44 +0200
Subject: [PATCH] v0.0.435 add ConvertStructToMapOpt.MaxDepth

---
 goextVersion.go            |  4 ++--
 reflectext/convertToMap.go | 17 +++++++++++------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/goextVersion.go b/goextVersion.go
index 87fa0a3..f956f6f 100644
--- a/goextVersion.go
+++ b/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"
diff --git a/reflectext/convertToMap.go b/reflectext/convertToMap.go
index 094e693..8b43a0c 100644
--- a/reflectext/convertToMap.go
+++ b/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)
 			}
 		}