Fix component registration for livewire v4

Author: howdu

src/FilamentClearCachePlugin.php

@@ -7,6 +7,8 @@
 use Filament\Panel;
 use Illuminate\Support\Facades\Blade;
 use Livewire\Livewire;
+use Composer\InstalledVersions;
+
 
 class FilamentClearCachePlugin implements Plugin
 {
@@ -28,19 +30,35 @@ public function getId(): string
 
     public function register(Panel $panel): void
     {
-        Livewire::component(
-            'filament-clear-cache::clear-cache-button',
-            config('filament-clear-cache.livewireComponentClass', ClearCache::class)
-        );
+        $component = config('filament-clear-cache.livewireComponentClass', ClearCache::class);
+
+        if (self::isLivewireV3()) {
+            Livewire::component('filament-clear-cache::clear-cache-button', $component);
+        }
 
         $panel->renderHook(
             name: 'panels::user-menu.before',
-            hook: fn (): string => Blade::render('@livewire(\'filament-clear-cache::clear-cache-button\')'),
+            hook: fn (): string => Blade::render(
+                '@livewire($component)'
+                ,['component' => $component]
+            ),
         );
     }
 
     public function boot(Panel $panel): void
     {
-        //
+        if (! self::isLivewireV3()) {
+            Livewire::addNamespace(
+                namespace: 'filament-clear-cache',
+                viewPath: __DIR__ . '/../resources/views/livewire',
+            );
+        }
+    }
+
+    private static function isLivewireV3(): bool
+    {
+        $version = InstalledVersions::getVersion('livewire/livewire');
+
+        return version_compare($version, '4.0.0', '<');
     }
 }