[TwigComponent] Fix Live embedded component with namespace

Author: sneakyvv

src/Twig/ComponentNode.php

@@ -68,7 +68,7 @@ public function compile(Compiler $compiler): void
             ->raw('), ')
             ->raw($this->getAttribute('only') ? '[]' : '$context')
             ->raw(', ')
-            ->string($this->parseTemplateName($this->getAttribute('name')))
+            ->string(TemplateNameParser::parse($this->getAttribute('name')))
             ->raw(', ')
             ->raw($this->getAttribute('index'))
             ->raw(");\n")
@@ -91,20 +91,4 @@ public function compile(Compiler $compiler): void
             ->raw("\n")
         ;
     }
-
-    /**
-     * Copied from Twig\Loader\FilesystemLoader, and adjusted to needs for this class.
-     */
-    private function parseTemplateName(string $name): mixed
-    {
-        if (isset($name[0]) && '@' == $name[0]) {
-            if (false === $pos = strpos($name, '/')) {
-                throw new \LogicException(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
-            }
-
-            return substr($name, $pos + 1);
-        }
-
-        return $name;
-    }
 }

src/Twig/ComponentTokenParser.php

@@ -87,7 +87,7 @@ public function parse(Token $token): Node
         $this->parser->embedTemplate($module);
 
         // use deterministic index for the embedded template, so it can be loaded in a controlled manner
-        $module->setAttribute('index', $this->generateEmbeddedTemplateIndex($stream->getSourceContext()->getName(), $token->getLine()));
+        $module->setAttribute('index', $this->generateEmbeddedTemplateIndex(TemplateNameParser::parse($stream->getSourceContext()->getName()), $token->getLine()));
 
         $stream->expect(Token::BLOCK_END_TYPE);
 

src/Twig/TemplateNameParser.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symfony\UX\TwigComponent\Twig;
+
+final class TemplateNameParser
+{
+    /**
+     * Copied from Twig\Loader\FilesystemLoader, and adjusted to needs for this class (no namespace returned).
+     *
+     * @see \Twig\Loader\FilesystemLoader::parseName
+     */
+    public static function parse(string $name): mixed
+    {
+        if (isset($name[0]) && '@' == $name[0]) {
+            if (false === $pos = strpos($name, '/')) {
+                throw new \LogicException(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
+            }
+
+            return substr($name, $pos + 1);
+        }
+
+        return $name;
+    }
+}