diff --git a/src/Theme/AssetManager.php b/src/Theme/AssetManager.php
index 2d10cd44e..51a713fcb 100644
--- a/src/Theme/AssetManager.php
+++ b/src/Theme/AssetManager.php
@@ -49,14 +49,18 @@ protected function getMainJs(): string
         return $this->mainJs;
     }
 
-    public function add(string|array $assets): void
+    public function add(string|array|Closure $assets): void
     {
-        $this->assets = array_unique(
-            array_merge(
-                $this->assets,
-                is_array($assets) ? $assets : [$assets]
-            )
-        );
+        if (is_closure($assets)) {
+            $this->lazyAssign($assets);
+        } else {
+            $this->assets = array_unique(
+                array_merge(
+                    $this->assets,
+                    is_array($assets) ? $assets : [$assets]
+                )
+            );
+        }
     }
 
     public function getAssets(): array
@@ -73,8 +77,8 @@ public function js(): string
             )
             ->map(
                 fn ($asset): string => "<script defer src='" . asset(
-                    $asset
-                ) . (str_contains((string) $asset, '?') ? '&' : '?') . "v={$this->getVersion()}'></script>"
+                        $asset
+                    ) . (str_contains((string) $asset, '?') ? '&' : '?') . "v={$this->getVersion()}'></script>"
             )->implode(PHP_EOL);
     }
 
@@ -87,8 +91,8 @@ public function css(): string
             )
             ->map(
                 fn ($asset): string => "<link href='" . asset(
-                    $asset
-                ) . (str_contains((string) $asset, '?') ? '&' : '?') . "v={$this->getVersion()}' rel='stylesheet'>"
+                        $asset
+                    ) . (str_contains((string) $asset, '?') ? '&' : '?') . "v={$this->getVersion()}' rel='stylesheet'>"
             )->implode(PHP_EOL);
     }