fix : handle bestLinePvToPlay empty array case

2024-03-10 21:06:52 +01:00
parent 9b28a0557a
commit c77e8897a9
1 changed files with 5 additions and 1 deletions
--- a/src/lib/chess.ts
+++ b/src/lib/chess.ts
@@ -131,7 +131,11 @@ export const getIsPieceSacrifice = (
  bestLinePvToPlay: string[]
 ): boolean => {
  const exchangeSquare = playedMove.slice(2, 4);
-  if (bestLinePvToPlay[0].slice(2, 4) !== exchangeSquare) return false;
+  if (
+    !bestLinePvToPlay.length ||
+    bestLinePvToPlay[0].slice(2, 4) !== exchangeSquare
+  )
+    return false;

  const game = new Chess(fen);
  const whiteToPlay = game.turn() === "w";