From 3289f76cd0283848f7d54b274976b412138d23bc Mon Sep 17 00:00:00 2001
From: Olivier Gagnon <oli.gagnon4418@gmail.com>
Date: Sat, 25 Sep 2021 17:29:51 -0400
Subject: [PATCH] safeguards

---
 src/Faction/Factions.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Faction/Factions.ts b/src/Faction/Factions.ts
index 7e0aa7a47..9fa6f3c52 100644
--- a/src/Faction/Factions.ts
+++ b/src/Faction/Factions.ts
@@ -13,6 +13,15 @@ export let Factions: IMap<Faction> = {};
 
 export function loadFactions(saveString: string): void {
   Factions = JSON.parse(saveString, Reviver);
+  // safety check for when we load older save file that don't have newer factions
+  for (const faction of Object.keys(Factions)) {
+    try {
+      Factions[faction].getInfo();
+    } catch (err) {
+      console.error("deleting " + faction);
+      delete Factions[faction];
+    }
+  }
 }
 
 export function AddToFactions(faction: Faction): void {