Merge pull request #17 from plank/16-nullsafe-caching

Add missing null-safe for cache clearing

Author: m-triassi

src/Concerns/HasLayouts.php

@@ -61,7 +61,7 @@ public static function indexLayout(): Layout
     public static function layouts(): Collection
     {
         if (! static::customizeableLayout()) {
-            return new Collection();
+            return new Collection;
         }
 
         $layoutModel = static::layoutModel();

src/Exceptions/ContentableException.php

@@ -4,6 +4,4 @@
 
 use Exception;
 
-class ContentableException extends Exception
-{
-}
+class ContentableException extends Exception {}

src/Models/Content.php

@@ -21,7 +21,7 @@ class Content extends Model implements ContentInterface
     protected static function boot()
     {
         static::saved(function (ContentInterface $content) {
-            $content->contentable->clearCache();
+            $content->contentable?->clearCache();
         });
 
         parent::boot();