Adding in notempty / endnotempty (#27)

docs/usage/helpers.md

@@ -66,6 +66,22 @@ Alternatively, you can pass the output as a second parameter:
 @isnotnull($variable, 'There is something here.')
 ```
 
+## @notempty
+
+`@notempty` is a simple conditional that displays the specified output if the parameter passed exists and is not empty. It can be closed using `@endnotempty`.
+
+```php
+@notempty($variable)
+  There is something here.
+@endnotempty
+```
+
+Alternatively, you can pass the output as a second parameter:
+
+```php
+@notempty($variable, 'There is something here.')
+```
+
 ## @instanceof
 
 `@instanceof` checks if the first parameter is an instance of the second parameter. It can be closed using `@endinstanceof`.

src/Directives/Helpers.php

@@ -91,6 +91,30 @@
         return "<?php endif; ?>";
     },
 
+    /*
+    |---------------------------------------------------------------------
+    | @notempty / @endnotempty
+    |---------------------------------------------------------------------
+    */
+
+
+    'notempty' => function ($expression) {
+        if (Str::contains($expression, ',')) {
+            $expression = Util::parse($expression);
+
+            return "<?php if (! empty({$expression->get(0)})) : ?>" .
+                   "<?php echo {$expression->get(1)}; ?>" .
+                   "<?php endif; ?>";
+        }
+
+        return "<?php if (! empty({$expression})) : ?>";
+    },
+
+    'endnotempty' => function ($expression) {
+        return "<?php endif; ?>";
+    },
+
+
     /*
     |---------------------------------------------------------------------
     | @instanceof / @endinstanceof