[11.x] Supercharge Blade

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 = $attributes->except(\\'.$class.'::ignoredParameterNames()); ?>
 <?php endif; ?>
 <?php $component->withAttributes(['.$this->attributesToString($attributes->all(), $escapeAttributes = $class !== DynamicComponent::class).']); ?>';
     }

src/Illuminate/View/Compilers/Concerns/CompilesComponents.php

@@ -68,7 +68,7 @@ public static function compileClassComponentOpening(string $component, string $a
         return implode("\n", [
             '<?php if (isset($component)) { $__componentOriginal'.$hash.' = $component; } ?>',
             '<?php if (isset($attributes)) { $__attributesOriginal'.$hash.' = $attributes; } ?>',
-            '<?php $component = '.$component.'::resolve('.($data ?: '[]').' + (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag ? (array) $attributes->getIterator() : [])); ?>',
+            '<?php $component = '.$component.'::resolve('.($data ?: '[]').' + (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag ? $attributes->all() : [])); ?>',
             '<?php $component->withName('.$alias.'); ?>',
             '<?php if ($component->shouldRender()): ?>',
             '<?php $__env->startComponent($component->resolveView(), $component->data()); ?>',
@@ -157,19 +157,35 @@ protected function compileEndComponentFirst()
      */
     protected function compileProps($expression)
     {
-        return "<?php \$attributes ??= new \\Illuminate\\View\\ComponentAttributeBag; ?>
-<?php foreach(\$attributes->onlyProps{$expression} as \$__key => \$__value) {
-    \$\$__key = \$\$__key ?? \$__value;
-} ?>
-<?php \$attributes = \$attributes->exceptProps{$expression}; ?>
-<?php foreach (array_filter({$expression}, 'is_string', ARRAY_FILTER_USE_KEY) as \$__key => \$__value) {
+        return "<?php \$attributes ??= new \\Illuminate\\View\\ComponentAttributeBag;
+
+\$__newAttributes = [];
+\$__propNames = \Illuminate\View\ComponentAttributeBag::extractPropNames({$expression});
+
+foreach (\$attributes->all() as \$__key => \$__value) {
+    if (in_array(\$__key, \$__propNames)) {
+        \$\$__key = \$\$__key ?? \$__value;
+    } else {
+        \$__newAttributes[\$__key] = \$__value;
+    }
+}
+
+\$attributes = new \Illuminate\View\ComponentAttributeBag(\$__newAttributes);
+
+unset(\$__propNames);
+unset(\$__newAttributes);
+
+foreach (array_filter({$expression}, 'is_string', ARRAY_FILTER_USE_KEY) as \$__key => \$__value) {
     \$\$__key = \$\$__key ?? \$__value;
-} ?>
-<?php \$__defined_vars = get_defined_vars(); ?>
-<?php foreach (\$attributes as \$__key => \$__value) {
+}
+
+\$__defined_vars = get_defined_vars();
+
+foreach (\$attributes->all() as \$__key => \$__value) {
     if (array_key_exists(\$__key, \$__defined_vars)) unset(\$\$__key);
-} ?>
-<?php unset(\$__defined_vars); ?>";
+}
+
+unset(\$__defined_vars); ?>";
     }
 
     /**

src/Illuminate/View/Component.php

@@ -75,6 +75,13 @@ abstract class Component
      */
     protected static $constructorParametersCache = [];
 
+    /**
+     * The cache of ignored parameter names.
+     *
+     * @var array
+     */
+    protected static $ignoredParameterNames = [];
+
     /**
      * Get the view / view contents that represent the component.
      *
@@ -417,6 +424,30 @@ protected function factory()
         return static::$factory;
     }
 
+    /**
+     * Get the cached set of anonymous component constructor parameter names to exclude.
+     *
+     * @return array
+     */
+    public static function ignoredParameterNames()
+    {
+        if (! isset(static::$ignoredParameterNames[static::class])) {
+            $constructor = (new ReflectionClass(
+                static::class
+            ))->getConstructor();
+
+            if (! $constructor) {
+                return static::$ignoredParameterNames[static::class] = [];
+            }
+
+            static::$ignoredParameterNames[static::class] = collect($constructor->getParameters())
+                ->map->getName()
+                ->all();
+        }
+
+        return static::$ignoredParameterNames[static::class];
+    }
+
     /**
      * Flush the component's cached state.
      *

src/Illuminate/View/ComponentAttributeBag.php

@@ -37,6 +37,16 @@ public function __construct(array $attributes = [])
         $this->attributes = $attributes;
     }
 
+    /**
+     * Get all of the attribute values.
+     *
+     * @return array
+     */
+    public function all()
+    {
+        return $this->attributes;
+    }
+
     /**
      * Get the first attribute's value.
      *
@@ -207,7 +217,7 @@ public function thatStartWith($needles)
      */
     public function onlyProps($keys)
     {
-        return $this->only($this->extractPropNames($keys));
+        return $this->only(static::extractPropNames($keys));
     }
 
     /**
@@ -218,27 +228,7 @@ public function onlyProps($keys)
      */
     public function exceptProps($keys)
     {
-        return $this->except($this->extractPropNames($keys));
-    }
-
-    /**
-     * Extract prop names from given keys.
-     *
-     * @param  mixed|array  $keys
-     * @return array
-     */
-    protected function extractPropNames($keys)
-    {
-        $props = [];
-
-        foreach ($keys as $key => $defaultValue) {
-            $key = is_numeric($key) ? $defaultValue : $key;
-
-            $props[] = $key;
-            $props[] = Str::kebab($key);
-        }
-
-        return $props;
+        return $this->except(static::extractPropNames($keys));
     }
 
     /**
@@ -401,6 +391,26 @@ public function setAttributes(array $attributes)
         $this->attributes = $attributes;
     }
 
+    /**
+     * Extract "prop" names from given keys.
+     *
+     * @param  array  $keys
+     * @return array
+     */
+    public static function extractPropNames(array $keys)
+    {
+        $props = [];
+
+        foreach ($keys as $key => $default) {
+            $key = is_numeric($key) ? $default : $key;
+
+            $props[] = $key;
+            $props[] = Str::kebab($key);
+        }
+
+        return $props;
+    }
+
     /**
      * Get content as a string of HTML.
      *

src/Illuminate/View/Concerns/ManagesEvents.php

@@ -174,7 +174,9 @@ protected function addEventListener($name, $callback)
      */
     public function callComposer(ViewContract $view)
     {
-        $this->events->dispatch('composing: '.$view->name(), [$view]);
+        if ($this->events->hasListeners($event = 'composing: '.$view->name())) {
+            $this->events->dispatch($event, [$view]);
+        }
     }
 
     /**
@@ -185,6 +187,8 @@ public function callComposer(ViewContract $view)
      */
     public function callCreator(ViewContract $view)
     {
-        $this->events->dispatch('creating: '.$view->name(), [$view]);
+        if ($this->events->hasListeners($event = 'creating: '.$view->name())) {
+            $this->events->dispatch($event, [$view]);
+        }
     }
 }