From b73ec1417117ccc479183fec6efcf06990e5b905 Mon Sep 17 00:00:00 2001
From: Rishi Raj Jain <rishi18304@iiitd.ac.in>
Date: Tue, 27 Sep 2022 00:54:51 +0530
Subject: [PATCH] Change negative lookbehind to lookahead (#4866)

---
 packages/astro/src/runtime/server/render/util.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/astro/src/runtime/server/render/util.ts b/packages/astro/src/runtime/server/render/util.ts
index f98d444562..31a6bf21a7 100644
--- a/packages/astro/src/runtime/server/render/util.ts
+++ b/packages/astro/src/runtime/server/render/util.ts
@@ -15,7 +15,7 @@ const STATIC_DIRECTIVES = new Set(['set:html', 'set:text']);
 
 // converts (most) arbitrary strings to valid JS identifiers
 const toIdent = (k: string) =>
-	k.trim().replace(/(?:(?<!^)\b\w|\s+|[^\w]+)/g, (match, index) => {
+	k.trim().replace(/(?:(?!^)\b\w|\s+|[^\w]+)/g, (match, index) => {
 		if (/[^\w]|\s/.test(match)) return '';
 		return index === 0 ? match : match.toUpperCase();
 	});