From e583efc8455be5045b8759c79535a14e049ea7f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miguel=20=C3=81ngel=20Florido=20Cifuentes?=
 <miguel.mangel.ez11@gmail.com>
Date: Tue, 10 Dec 2024 04:35:49 +0100
Subject: [PATCH] fix: handle undefined hash in socket message handler (#19)

---
 client-src/index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client-src/index.js b/client-src/index.js
index 5c4ce0a..ba9dcb3 100644
--- a/client-src/index.js
+++ b/client-src/index.js
@@ -243,9 +243,13 @@ var onSocketMessage = {
 		sendMessage("Invalid");
 	},
 	/**
-	 * @param {string} hash
+	 * @param {string | undefined} _hash
 	 */
 	hash: function hash(_hash) {
+		if (!_hash) {
+			return;
+		}
+
 		status.previousHash = status.currentHash;
 		status.currentHash = _hash;
 	},