refactor empty string comparison

shared/supertoken/pkg/stid/stid.go

@@ -28,13 +28,13 @@ func (i *STID) Valid() bool {
 }
 
 func (i *STID) HashValid() bool {
-	if len(i.hash) > 0 {
+	if i.hash != "" {
 		return true
 	}
 	if i.UUID.String() == "00000000-0000-0000-0000-000000000000" {
 		return false
 	}
-	return len(i.Hash()) > 0
+	return i.Hash() != ""
 }
 
 func (i *STID) Hash() string {

shared/utils/utils.go

@@ -266,7 +266,7 @@ func IsJWT(token string) bool {
 		return false
 	}
 	for i, segment := range arr {
-		if len(segment) > 0 || i < 2 { // first two segments must not be empty
+		if segment != "" || i < 2 { // first two segments must not be empty
 			if _, err := base64.URLEncoding.DecodeString(arr[2]); err != nil {
 				return false
 			}