From 61b4f4b06dc7bcf19dd58313ccdb9a55a1969ca6 Mon Sep 17 00:00:00 2001
From: Tobias Berger <tobi.berger13@gmail.com>
Date: Thu, 30 Sep 2021 14:18:43 +0200
Subject: [PATCH] Back up save before migrating

---
 src/shark/SaveHandler.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/shark/SaveHandler.ts b/src/shark/SaveHandler.ts
index 9041a72..afb146d 100644
--- a/src/shark/SaveHandler.ts
+++ b/src/shark/SaveHandler.ts
@@ -63,6 +63,10 @@ export class SaveHandler extends StaticClass {
 
     const migrators = SaveHandler.migrators.slice(saveVersion);
 
+    if (migrators.length > 0 && localSave !== null) {
+      localStorage.setItem(SaveHandler.saveName + "-backup", localSave);
+    }
+
     let save = loadedSave;
     for (let i = 0; i < migrators.length; i++) {
       console.debug(