Use function_exists() guard inside ensureRequired

Move the function_exists() check into ensureRequired() so both the
compiled caller and resolve() benefit from the C-level guard. Drop
the $required hash table which is now redundant.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 2 people

src/Compiler/Compiler.php

@@ -96,7 +96,7 @@ protected function compileComponentTag(ComponentNode $node, ComponentSource $sou
         $functionName = ($this->manager->isFolding() ? '__' : '_') . $hash;
         [$attributesArrayString, $boundKeysArrayString, $originalKeysArrayString] = $this->compileAttributes($node);
 
-        $output = '<' . '?php if (!function_exists(\'' . $functionName . '\')) { $__blaze->ensureRequired(\'' . $source->path . '\', $__blaze->compiledPath.\'/'. $hash . '.php\'); } ?>' . "\n";
+        $output = '<' . '?php $__blaze->ensureRequired(\'' . $source->path . '\', $__blaze->compiledPath.\'/'. $hash . '.php\', \'' . $functionName . '\'); ?>' . "\n";
 
         if ($node->selfClosing) {
             $output .= '<' . '?php $__blaze->pushData(' . $attributesArrayString . '); ?>' . "\n";

src/Runtime/BlazeRuntime.php

@@ -23,7 +23,6 @@ class BlazeRuntime
     protected ?string $compiledPath = null;
 
     protected array $paths = [];
-    protected array $required = [];
     protected array $blazed = [];
 
     protected array $dataStack = [];
@@ -39,11 +38,11 @@ public function __construct(
     }
 
     /**
-     * Compile a component if its source is newer than the cached output.
+     * Compile and require a component if its function is not yet defined.
      */
-    public function ensureRequired(string $path, string $compiledPath): void
+    public function ensureRequired(string $path, string $compiledPath, string $functionName): void
     {
-        if (isset($this->required[$compiledPath])) {
+        if (function_exists($functionName)) {
             return;
         }
 
@@ -52,8 +51,6 @@ public function ensureRequired(string $path, string $compiledPath): void
         }
 
         require $compiledPath;
-
-        $this->required[$compiledPath] = true;
     }
 
     /**
@@ -77,10 +74,9 @@ public function resolve(string $component): string|false
 
         $hash = Utils::hash($path);
         $compiled = $this->getCompiledPath().'/'.$hash.'.php';
+        $functionName = '_'.$hash;
 
-        if (! isset($this->required[$path])) {
-            $this->ensureRequired($path, $compiled);
-        }
+        $this->ensureRequired($path, $compiled, $functionName);
 
         return $hash;
     }

tests/ComparisonTest.php

@@ -33,6 +33,11 @@
     BLADE
 ));
 
+test('aware nested', fn () => compare(<<<'BLADE'
+    <x-nested-aware type="number" />
+    BLADE
+));
+
 test('foldable aware', fn () => compare(<<<'BLADE'
     <x-foldable.wrapper type="number">
         <x-foldable.input-aware />

tests/Compiler/CompilerTest.php

@@ -14,7 +14,7 @@
     $hash = Utils::hash($path);
 
     expect($compiled->render())->toEqualCollapsingWhitespace(join('', [
-        '<?php if (!function_exists(\'_'. $hash .'\')) { $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\'); } ?> ',
+        '<?php $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\', \'_'. $hash .'\'); ?> ',
         '<?php $__blaze->pushData([\'type\' => \'text\',\'disabled\' => $disabled]); ?> ',
         '<?php _'. $hash .'($__blaze, [\'type\' => \'text\',\'disabled\' => $disabled], [], [\'disabled\'], [], $__this ?? (isset($this) ? $this : null)); ?> ',
         '<?php $__blaze->popData(); ?>',
@@ -42,7 +42,7 @@
     $hash = Utils::hash($path);
 
     expect($compiled->render())->toEqualCollapsingWhitespace(join('', [
-        '<?php if (!function_exists(\'_'. $hash .'\')) { $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\'); } ?> ',
+        '<?php $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\', \'_'. $hash .'\'); ?> ',
         '<?php if (isset($__slots'. $hash .')) { $__slotsStack'. $hash .'[] = $__slots'. $hash .'; } ?> ',
         '<?php if (isset($__attrs'. $hash .')) { $__attrsStack'. $hash .'[] = $__attrs'. $hash .'; } ?> ',
         '<?php $__attrs'. $hash .' = [\'class\' => \'mt-8\']; ?> ',

tests/IntegrationTest.php

@@ -85,12 +85,6 @@ public function render()
     })->assertSee('from-livewire');
 });
 
-test('self-closing component propagates data to @aware descendants', function () {
-    $html = Blade::render('<x-aware-wrapper color="blue" />');
-
-    expect($html)->toContain('text-blue');
-});
-
 test('folds and compiles the same component', function () {
     Blade::render(<<<'BLADE'
         <x-foldable.input required /> {{-- Folded --}}

tests/Memoizer/MemoizerTest.php

@@ -22,7 +22,7 @@
         '<?php echo \Livewire\Blaze\Memoizer\Memo::get($blaze_memoized_key); ?>',
         '<?php else : ?>',
         '<?php ob_start(); ?>',
-        '<?php if (!function_exists(\'_'. $hash .'\')) { $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\'); } ?> ',
+        '<?php $__blaze->ensureRequired(\''. $path .'\', $__blaze->compiledPath.\'/'. $hash .'.php\', \'_'. $hash .'\'); ?> ',
         '<?php $__blaze->pushData([\'src\' => $user->avatar]); ?> ',
         '<?php _'. $hash .'($__blaze, [\'src\' => $user->avatar], [], [\'src\'], [], $__this ?? (isset($this) ? $this : null)); ?> ',
         '<?php $__blaze->popData(); ?>',

tests/fixtures/views/components/aware-child.blade.php

@@ -0,0 +1,3 @@
+@blaze
+
+<x-input-aware />