From 2addf9acaddd854101de0afef828d9bcd6e0c3d4 Mon Sep 17 00:00:00 2001
From: chen-chan1 <161545719+chen-chan1@users.noreply.github.com>
Date: Thu, 3 Apr 2025 21:37:54 -0600
Subject: [PATCH] uppercase + 4th match fix

---
 lib/BladeOne.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/BladeOne.php b/lib/BladeOne.php
index c012a8d..693edf2 100644
--- a/lib/BladeOne.php
+++ b/lib/BladeOne.php
@@ -3021,19 +3021,19 @@ protected function compileComponents($value)
          * @return string
          */
         $callback = function($match) {
-            if (static::contains($match[0], 'x-')) {
+           if (isset($match[4]) && static::contains($match[0], 'x-')) {
                 $match[4] = $this->compileComponents($match[4]);
             }
             $paramsCompiled = $this->parseParams($match[2]);
             $str = "('components." . $match[1] . "'," . $paramsCompiled . ")";
-            return self::compileComponent($str) . $match[4] . self::compileEndComponent();
+            return self::compileComponent($str) . ($match[4] ?? '') . self::compileEndComponent();
         };
         return preg_replace_callback('/<x-([a-z0-9.-]+)(\s[^>]*)?(>((?:(?!<\/x-\1>).)*)<\/x-\1>|\/>)/ms', $callback, $value);
     }
 
     protected function parseParams($params): string
     {
-        preg_match_all('/([a-z-0-9:]*?)\s*?=\s*?(.+?)(\s|$)/ms', $params, $matches);
+        preg_match_all('/([a-zA-Z0-9:-]*?)\s*?=\s*?(.+?)(\s|$)/ms', $params, $matches);
         $paramsCompiled = [];
         foreach ($matches[1] as $i => $key) {
             $value = str_replace('"', '', $matches[2][$i]);