From 293eb15eab3bc3ec2920032a3886adda5b6cc860 Mon Sep 17 00:00:00 2001
From: Kirill Zhumarin <kirill.zhumarin@gmail.com>
Date: Fri, 23 Aug 2024 07:59:19 +0000
Subject: [PATCH] add additional checks

---
 src/xbz.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xbz.js b/src/xbz.js
index 158cc97..74ca79e 100644
--- a/src/xbz.js
+++ b/src/xbz.js
@@ -166,9 +166,11 @@ export function convertXbzToFlash(buffer) {
 			finished = decompressor(buffer.subarray(w.offset, w.offset + w.size));
 		if (!finished)
 			throw new Error(`Unexpected EOF.`);
-	} else {
+	} else if (xbz.compressionType == 0) {
 		for (let w of xbz.writes)
 			writeFlash(w.addr, buffer.subarray(w.offset, w.offset + w.size));
+	} else {
+		throw new Error(`Unknown compression type: ${xbz.compressionType}`);
 	}
 
 	return flash;