From 724a7f6c1936a7ec784f59ad10217a4e8ca75e78 Mon Sep 17 00:00:00 2001
From: Laura <laura@wiese2.org>
Date: Sun, 16 Nov 2025 01:23:01 +0100
Subject: [PATCH] handle data blob error

---
 static/js/lib.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/static/js/lib.js b/static/js/lib.js
index 9e7d683..e027df2 100644
--- a/static/js/lib.js
+++ b/static/js/lib.js
@@ -74,8 +74,13 @@ function formatTimestamp(ts) {
 const dataRgx = /data:(.*?)(;|$)/;
 
 function dataBlob(dataUrl) {
-	const [header, data] = dataUrl.split(","),
-		mime = header.match(dataRgx)[1];
+	const [header, data] = dataUrl.split(",");
+
+	if (!header || !data) {
+		return null;
+	}
+
+	const mime = header.match(dataRgx)[1];
 
 	let blob;