Added @returnifempty directive.

README.md

@@ -227,6 +227,16 @@ Quickly output for classical  ```$errors->has('input_name')``` to determine if a
 @endhaserror
 ```
 
+### @returnifempty
+
+`return` if the given variable is empty. Useful when you want to return 'nothing' if the required parameter of a view component not provided.
+
+```blade
+@returnifempty($var)
+
+{{-- The following codes won't get executed if $var is empty --}}
+```
+
 ## Testing
 
 ```bash

src/directives.php

@@ -399,4 +399,14 @@
         return '<?php endif; ?>';
     },
 
+    /*
+    |---------------------------------------------------------------------
+    | @returnifempty
+    |---------------------------------------------------------------------
+    */
+
+    'returnifempty' => function ($expression) {
+        return "<?php if (empty($expression) || ($expression && !count($expression))) { return; } ?>";
+    },
+
 ];