Support older versions as well

Author: arrilot

src/ServiceProvider.php

@@ -70,16 +70,24 @@ public function boot()
             });
         }
 
-        Blade::directive('widget', function ($expression) {
-            return "<?php echo app('arrilot.widget')->run({$expression}); ?>";
+        $omitParenthesis = version_compare($this->app->version(), '5.3', '<');
+
+        Blade::directive('widget', function ($expression) use ($omitParenthesis) {
+            $expression = $omitParenthesis ? $expression : "($expression)";
+
+            return "<?php echo app('arrilot.widget')->run{$expression}; ?>";
         });
 
-        Blade::directive('asyncWidget', function ($expression) {
-            return "<?php echo app('arrilot.async-widget')->run({$expression}); ?>";
+        Blade::directive('asyncWidget', function ($expression) use ($omitParenthesis) {
+            $expression = $omitParenthesis ? $expression : "($expression)";
+
+            return "<?php echo app('arrilot.async-widget')->run{$expression}; ?>";
         });
 
-        Blade::directive('widgetGroup', function ($expression) {
-            return "<?php echo app('arrilot.widget-group-collection')->group({$expression})->display(); ?>";
+        Blade::directive('widgetGroup', function ($expression) use ($omitParenthesis) {
+            $expression = $omitParenthesis ? $expression : "($expression)";
+
+            return "<?php echo app('arrilot.widget-group-collection')->group{$expression}->display(); ?>";
         });
     }