From b143b8f6f887ce58808edfd3ee4d3eac14bd803b Mon Sep 17 00:00:00 2001
From: Francisco Salgueiro <fgcdbs@gmail.com>
Date: Mon, 2 Oct 2023 18:37:56 +0100
Subject: [PATCH] fix infinite recursion on getting opening name

---
 src/utils/chess.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/chess.ts b/src/utils/chess.ts
index fbd7fb2c..fa473b0e 100644
--- a/src/utils/chess.ts
+++ b/src/utils/chess.ts
@@ -362,7 +362,7 @@ export async function getOpening(
     }
     return invoke<string>("get_opening_from_fen", { fen: tree.fen })
         .then((v) => v)
-        .catch(() => getOpening(root, position.slice(0, -1)));
+        .catch(() => position.length === 0 ? "" : getOpening(root, position.slice(0, -1)));
 }
 
 export function swapMove(fen: string, color?: Color) {