[LiveComponent] Optimize LiveComponentStack::getCurrentLiveComponent()

Author: Kocal

src/LiveComponent/src/Util/LiveComponentStack.php

@@ -24,14 +24,18 @@
  */
 final class LiveComponentStack extends ComponentStack
 {
+    /** @var array<class-string, bool> */
+    private array $cacheLiveComponents = [];
+
     public function __construct(private readonly ComponentStack $componentStack)
     {
     }
 
     public function getCurrentLiveComponent(): ?MountedComponent
     {
         foreach ($this->componentStack as $mountedComponent) {
-            if ($this->isLiveComponent($mountedComponent->getComponent()::class)) {
+            $componentClass = $mountedComponent->getComponent()::class;
+            if ($this->cacheLiveComponents[$componentClass] ??= $this->isLiveComponent($componentClass)) {
                 return $mountedComponent;
             }
         }