From ae7c8861793974c008e4d60c3704431e7f5f5110 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 24 Jan 2026 02:50:16 +0000
Subject: [PATCH] Add detailed comment explaining URL preservation regex
 pattern

---
 src/templates/AssetMinifier.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/templates/AssetMinifier.php b/src/templates/AssetMinifier.php
index f74ff32..6c4dcfa 100644
--- a/src/templates/AssetMinifier.php
+++ b/src/templates/AssetMinifier.php
@@ -71,7 +71,10 @@ class AssetMinifier
 	public static function minifyJS(string $js): string
 	{
 		// Remove single-line comments but preserve URLs (https://, http://)
-		// Only remove comments that start at the beginning of a line or after whitespace
+		// The negative lookbehind (?<![:\'"a-zA-Z0-9]) ensures we don't match:
+		// - URLs: https://example.com (preceded by :)
+		// - String literals: "//comment" (preceded by quote)
+		// - Protocol-relative URLs: //example.com (preceded by non-alphanumeric)
 		$js = preg_replace('~(?<![:\'"a-zA-Z0-9])//[^\n]*\n~', "\n", $js);
 		
 		// Remove multi-line comments