From 665fd8c54fb5aa812bd7c64a98024c1419a7546e Mon Sep 17 00:00:00 2001
From: Ardis Lu <ardisglu@gmail.com>
Date: Tue, 27 Feb 2024 01:24:31 -0800
Subject: [PATCH] Only highlight if CSS Custom Highlight API is supported

Firefox is still rolling out support: https://caniuse.com/mdn-api_highlight
---
 script.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/script.js b/script.js
index 5a1f46e..c2dd912 100644
--- a/script.js
+++ b/script.js
@@ -214,8 +214,10 @@ function showSearch(query) {
     range.setEnd(node, start + query.length);
     ranges.push(range);
   }
-  const highlight = new Highlight(...ranges);
-  CSS.highlights.set('search', highlight);
+  if (CSS.highlights !== undefined) {
+    const highlight = new Highlight(...ranges);
+    CSS.highlights.set('search', highlight);
+  }
 
   document.querySelector('main').replaceWith(filteredHome);
 }
-- 
2.47.3