Merge pull request #35 from shalvah/patch-2

Switch config file to use env variables by default

Author: WillSewell

config/pusher.php

@@ -40,10 +40,12 @@
     'connections' => [
 
         'main' => [
-            'auth_key' => 'your-auth-key',
-            'secret' => 'your-secret',
-            'app_id' => 'your-app-id',
-            'options' => [],
+            'auth_key' => env('PUSHER_APP_KEY'),
+            'secret' => env('PUSHER_APP_SECRET'),
+            'app_id' => env('PUSHER_APP_ID'),
+            'options' => [
+                'cluster' => env('PUSHER_APP_CLUSTER'),
+            ],
             'host' => null,
             'port' => null,
             'timeout' => null,

src/PusherFactory.php

@@ -63,6 +63,12 @@ protected function getConfig(array $config): array
                 throw new InvalidArgumentException("Missing configuration key [$key].");
             }
         }
+        
+        foreach ($config['options'] as $option => $value) {
+            if (is_null($value)) {
+                unset($config['options'][$option]);
+            }
+        }
 
         return array_only($config, $keys);
     }