v0.0.549

reflectext/convertToMap.go

@@ -4,11 +4,13 @@ import (
 	"encoding/json"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"reflect"
+	"strings"
 )
 
 type ConvertStructToMapOpt struct {
 	KeepJsonMarshalTypes bool
 	MaxDepth             *int
+	UseTagsAsKeys        *string
 }
 
 func ConvertStructToMap(v any, opts ...ConvertStructToMapOpt) map[string]any {
@@ -90,7 +92,21 @@ func reflectToMap(fv reflect.Value, depth int, 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), depth+1, opt)
+
+				k := fv.Type().Field(i).Name
+				if opt.UseTagsAsKeys != nil {
+					if tagval, ok := fv.Type().Field(i).Tag.Lookup(*opt.UseTagsAsKeys); ok {
+						if strings.Contains(tagval, ",") {
+							k = strings.TrimSpace(strings.Split(tagval, ",")[0])
+						} else {
+							k = strings.TrimSpace(tagval)
+						}
+					} else {
+						continue
+					}
+				}
+
+				res[k] = reflectToMap(fv.Field(i), depth+1, opt)
 			}
 		}