From 8bf777428aa01b637ccd9e8ae2a75ad0e229fc82 Mon Sep 17 00:00:00 2001
From: admin <markusmorgenstern87@outlook.de>
Date: Thu, 7 Aug 2025 22:21:52 +0200
Subject: [PATCH] better handling for pointer in AutoMap

---
 api.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/api.go b/api.go
index 896ff6d..fa2892b 100644
--- a/api.go
+++ b/api.go
@@ -3,6 +3,7 @@ package structmapper
 import (
 	"encoding/json"
 	"fmt"
+	"reflect"
 
 	di "git.apihub24.de/admin/generic-di"
 	"git.apihub24.de/admin/structmapper/utils"
@@ -52,10 +53,14 @@ func SliceMap[TFrom any, TTo any](from []TFrom) []TTo {
 
 func AutoMap[TFrom any, TTo any](from TFrom) (TTo, error) {
 	var result TTo
+	resultValue := reflect.ValueOf(&result).Elem()
+	if resultValue.Kind() == reflect.Ptr {
+		resultValue.Set(reflect.New(resultValue.Type().Elem()))
+	}
 	str, err := json.Marshal(from)
 	if err != nil {
 		return result, err
 	}
-	_ = json.Unmarshal(str, &result)
-	return result, nil
+	err = json.Unmarshal(str, resultValue.Addr().Interface())
+	return result, err
 }