From 93bff42997eb83793520b7cdf35eafda8c2b61bf Mon Sep 17 00:00:00 2001
From: Timo Hocker <t-hocker@web.de>
Date: Wed, 13 May 2020 11:51:26 +0200
Subject: [PATCH] don't serialize twice

---
 lib/Persistent.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Persistent.ts b/lib/Persistent.ts
index 1afad0f..668f767 100644
--- a/lib/Persistent.ts
+++ b/lib/Persistent.ts
@@ -31,8 +31,8 @@ export abstract class Persistent implements Assignable, Serializable {
 
   public serialize (formatted = false): string {
     if (formatted)
-      return JSON.stringify (this.to_object ());
-    return JSON.stringify (this.to_object (), null, 2);
+      return JSON.stringify (this._data);
+    return JSON.stringify (this._data, null, 2);
   }
 
   private check_type (value: unknown, prop: PersistentTypeString): boolean {