From fffa5132723a9d972d10306eabaad2455293fc14 Mon Sep 17 00:00:00 2001
From: Ardis Lu <ardisglu@gmail.com>
Date: Wed, 9 Aug 2023 21:16:43 -0700
Subject: [PATCH] Handle failure to extract CBOR

---
 index.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/index.html b/index.html
index 09d6f8c..05f1914 100644
--- a/index.html
+++ b/index.html
@@ -227,6 +227,12 @@
 
       // Parse runtime bytecode
       const cbor = extractCBOR(bytecode);
+      if (cbor.includes(NaN)) {
+        result.insertAdjacentText('beforeend', '❌ Failed to extract CBOR metadata from bytecode.');
+        button.disabled = false;
+        spinner.style.setProperty('visibility', 'hidden');
+        return;
+      }
       logOutput(result, '✅ Successfully extracted CBOR metadata.', cbor.map(v => v.toString(16).padStart(2, '0')).join(''));
       const metadata = decodeCBOR(cbor);
       logOutput(result, '✅ Successfully decoded CBOR metadata.', JSON.stringify(metadata, null, 2));
-- 
2.47.3