From ad79ada3e49b5643e7635466413852e7363a2795 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Viktor=20Sz=C3=A9pe?= <viktor@szepe.net>
Date: Wed, 18 Dec 2024 23:11:06 +0100
Subject: [PATCH] Explicit range type checking

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

diff --git a/js/lib/dom.js b/js/lib/dom.js
index 00051e0..81c5af7 100644
--- a/js/lib/dom.js
+++ b/js/lib/dom.js
@@ -1,7 +1,9 @@
 let range = null;
 
 export function parseHTML(html) {
-  if (range == null) { range = document.createRange() }
+  if (! (range instanceof Range)) {
+    range = document.createRange();
+  }
   return range.createContextualFragment(html);
 }