[11.x] Blade Component Loop Speed Improvement (#51158)

* Blade Component Loop Speed Improvement

* Corrected tests

* formatting

* remove test

* Updated tests

---------

Co-authored-by: Taylor Otwell <[email protected]>

src/Illuminate/View/Factory.php

@@ -90,6 +90,20 @@ class Factory implements FactoryContract
      */
     protected $renderedOnce = [];
 
+    /**
+     * The cached array of engines for paths.
+     * 
+     * @var array
+     */
+    protected $pathEngineCache = [];
+
+    /**
+     * The cache of normalized names for views.
+     *
+     * @var array
+     */
+    protected $normalizedNameCache = [];
+
     /**
      * Create a new view factory instance.
      *
@@ -247,7 +261,7 @@ public function renderEach($view, $data, $iterator, $empty = 'raw|')
      */
     protected function normalizeName($name)
     {
-        return ViewName::normalize($name);
+        return $this->normalizedNames[$name] ??= ViewName::normalize($name);
     }
 
     /**
@@ -301,13 +315,17 @@ public function exists($view)
      */
     public function getEngineFromPath($path)
     {
+        if (isset($this->pathEngineCache[$path])) {
+            return $this->engines->resolve($this->pathEngineCache[$path]);
+        }
+
         if (! $extension = $this->getExtension($path)) {
             throw new InvalidArgumentException("Unrecognized extension in file: {$path}.");
         }
 
-        $engine = $this->extensions[$extension];
-
-        return $this->engines->resolve($engine);
+        return $this->engines->resolve(
+            $this->pathEngineCache[$path] = $this->extensions[$extension]
+        );
     }
 
     /**
@@ -467,6 +485,8 @@ public function addExtension($extension, $engine, $resolver = null)
         unset($this->extensions[$extension]);
 
         $this->extensions = array_merge([$extension => $engine], $this->extensions);
+
+        $this->pathEngineCache = [];
     }
 
     /**