Cache and reuse ignore anonymous component constructor parameter names

Author: assertchris

src/Illuminate/View/AnonymousComponent.php

@@ -2,6 +2,8 @@
 
 namespace Illuminate\View;
 
+use ReflectionClass;
+
 class AnonymousComponent extends Component
 {
     /**
@@ -18,6 +20,26 @@ class AnonymousComponent extends Component
      */
     protected $data = [];
 
+    protected static array $ignoredParameterNames = [];
+
+    /**
+     * Fetch a cached set of anonymous component constructor parameter names to exclude.
+     */
+    public static function ignoredParameterNames(): array
+    {
+        if (!isset(static::$ignoredParameterNames)) {
+            $constructor = (new ReflectionClass(
+                static::class
+            ))->getConstructor();
+
+            static::$ignoredParameterNames = collect($constructor->getParameters())
+                ->map->getName()
+                ->all();
+        }
+
+        return static::$ignoredParameterNames;
+    }
+
     /**
      * Create a new anonymous component instance.
      *

src/Illuminate/View/Compilers/ComponentTagCompiler.php

@@ -259,8 +259,8 @@ protected function componentString(string $component, array $attributes)
         }
 
         return "##BEGIN-COMPONENT-CLASS##@component('{$class}', '{$component}', [".$this->attributesToString($parameters, $escapeBound = false).'])
-<?php if (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag && $constructor = (new ReflectionClass('.$class.'::class))->getConstructor()): ?>
-<?php $attributes = $attributes->except(collect($constructor->getParameters())->map->getName()->all()); ?>
+<?php if (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag): ?>
+<?php $attributes = $attributes->except(\Illuminate\View\AnonymousComponent::ignoredParameterNames()); ?>
 <?php endif; ?>
 <?php $component->withAttributes(['.$this->attributesToString($attributes->all(), $escapeAttributes = $class !== DynamicComponent::class).']); ?>';
     }