From 5c238a0571a2f8e589a8c50b6a28b4bcba20938b Mon Sep 17 00:00:00 2001
From: David Chambers <dc@davidchambers.me>
Date: Sun, 14 Jan 2024 16:12:00 +0100
Subject: [PATCH] initialize `offset`

---
 lib/doctest.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/doctest.js b/lib/doctest.js
index 351037a..48b9e1d 100644
--- a/lib/doctest.js
+++ b/lib/doctest.js
@@ -123,7 +123,7 @@ const rewriteJs = sourceType => ({
   // 2: Preserve source text between comments
   const chunks = [];
   {
-    let offset;
+    let offset = 0;
     for (const {start, end} of comments) {
       chunks.push ([offset, input.slice (offset, start)]);
       offset = end;