Do not create map if resultMap is empty

mx-psi · mx-psi · commit 3c6f941c61bc · 2025-06-06T12:35:03.000+02:00
diff --git a/confmap/confmap.go b/confmap/confmap.go
@@ -506,7 +506,7 @@ func unmarshalerEmbeddedStructsHookFunc() mapstructure.DecodeHookFuncValue {
 						return nil, err
 					}
 					resultMap := conf.ToStringMap()
-					if fromAsMap == nil {
+					if fromAsMap == nil && len(resultMap) > 0 {
 						fromAsMap = make(map[string]any, len(resultMap))
 					}
 					for k, v := range resultMap {

Original file line number	Diff line number	Diff line change
`@@ -506,7 +506,7 @@ func unmarshalerEmbeddedStructsHookFunc() mapstructure.DecodeHookFuncValue {`
`506`	`506`	`return nil, err`
`507`	`507`	`}`
`508`	`508`	`resultMap := conf.ToStringMap()`
`509`		`- if fromAsMap == nil {`
	`509`	`+ if fromAsMap == nil && len(resultMap) > 0 {`
`510`	`510`	`fromAsMap = make(map[string]any, len(resultMap))`
`511`	`511`	`}`
`512`	`512`	`for k, v := range resultMap {`