From f6dd335aa6cdab382b7e0041a933c72d89d8e12f Mon Sep 17 00:00:00 2001
From: Tim Wu <gosingk@gmail.com>
Date: Sun, 17 Nov 2024 22:50:25 +0800
Subject: [PATCH] Update Parser.js

Add a safe check for list[i]
---
 lib/Parser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Parser.js b/lib/Parser.js
index 1dd386ba..ec63fb1e 100644
--- a/lib/Parser.js
+++ b/lib/Parser.js
@@ -428,7 +428,7 @@ function parseFetch(text, literals, seqno) {
   var list = parseExpr(text, literals)[0], attrs = {}, m, body;
   // list is [KEY1, VAL1, KEY2, VAL2, .... KEYn, VALn]
   for (var i = 0, len = list.length, key, val; i < len; i += 2) {
-    key = list[i].toLowerCase();
+    key = list[i] && list[i].toLowerCase();
     val = list[i + 1];
     if (key === 'envelope')
       val = parseFetchEnvelope(val);