Slotdefault directive (#12)

README.md

@@ -86,6 +86,26 @@ The `@return` blade directive simply stops any further processing of the current
 @return
 ```
 
+### @slotdefault
+
+When you've an optional slot this directive gives you a cleaner way of defining a fallback. Normally you do something like this:
+
+```blade
+@if ($slot->isEmpty())
+    This is default content if the slot is empty.
+@else
+    {{ $slot }}
+@endif
+```
+
+#### Usage
+
+```blade
+@slotdefault('slot')
+    This is default content if the slot is empty.
+@endslotdefault
+```
+
 ### @slots
 
 The `@slots` blade directive is used within blade components.

src/BladeDirectivesServiceProvider.php

@@ -53,6 +53,15 @@ public function register()
 <?php \$attributes ??= new \\Illuminate\\View\\ComponentAttributeBag; ?>
 <?php \$attributes = \$attributes->exceptProps($expression); ?>";
         });
+
+        Blade::directive('slotdefault', function ($expression) {
+            $slot = trim($expression, '\'"');
+            return "<?php if(isset($$slot) && ($$slot)->isNotEmpty()): echo $$slot; else: ?>";
+        });
+
+        Blade::directive('endslotdefault', function ($expression) {
+            return '<?php endif; ?>';
+        });
     }
 
     public function boot()