From fe3d96ec9ceb80de1be9a0a541709751906ccd89 Mon Sep 17 00:00:00 2001
From: Hykilpikonna <admin@moecraft.cc>
Date: Sat, 7 Dec 2019 14:04:23 -0500
Subject: [PATCH] [F] Fix index problem when finding last index

---
 src/logic/utils/general-utils.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/logic/utils/general-utils.ts b/src/logic/utils/general-utils.ts
index 13f6885..92313ff 100644
--- a/src/logic/utils/general-utils.ts
+++ b/src/logic/utils/general-utils.ts
@@ -2,5 +2,6 @@
 export function findLastIndex<T>(array: T[], callback: (v: T) => boolean): number
 {
     let arr2 = array.slice().reverse();
-    return arr2.length - arr2.findIndex(callback);
+    let result = arr2.length - arr2.findIndex(callback);
+    return result == -1 ? -1 : result - 1;
 }