From a7920d429a9b94f9b958a21528bc9b9559c19c3c Mon Sep 17 00:00:00 2001
From: Hugo Alliaume <hugo@alliau.me>
Date: Wed, 4 Jun 2025 23:30:44 +0200
Subject: [PATCH] [LiveComponent] Optimize
 `LiveComponentStack::getCurrentLiveComponent()`

---
 src/LiveComponent/src/Util/LiveComponentStack.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/LiveComponent/src/Util/LiveComponentStack.php b/src/LiveComponent/src/Util/LiveComponentStack.php
index b7bf23f5f76..90d49e9a659 100644
--- a/src/LiveComponent/src/Util/LiveComponentStack.php
+++ b/src/LiveComponent/src/Util/LiveComponentStack.php
@@ -24,6 +24,9 @@
  */
 final class LiveComponentStack extends ComponentStack
 {
+    /** @var array<class-string, bool> */
+    private array $cacheLiveComponents = [];
+
     public function __construct(private readonly ComponentStack $componentStack)
     {
     }
@@ -31,7 +34,8 @@ 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;
             }
         }