fix: Use correct array encoding in config produced by RollbarJsHelper

When building JS code with RollbarJsHelper and passing configuration parameters that are arrays, those arrays in the final JS output are incorrectly encoded as objects.

src/RollbarJsHelper.php

@@ -61,7 +61,7 @@ public function addJs($headers = null, $nonce = null, $customJs = "")
      */
     public function configJsTag()
     {
-        return "var _rollbarConfig = " . json_encode($this->config, JSON_FORCE_OBJECT) . ";";
+        return "var _rollbarConfig = " . json_encode((object)$this->config) . ";";
     }
 
     /**

tests/JsHelperTest.php

@@ -226,13 +226,11 @@ public function scriptTagProvider()
         );
     }
 
-    public function testConfigJsTag()
+    /**
+     * @dataProvider configJsTagProvider
+     */
+    public function testConfigJsTag($config, $expectedJson)
     {
-        $config = array(
-            'config1' => 'value 1'
-        );
-
-        $expectedJson = json_encode($config);
         $expected = "var _rollbarConfig = $expectedJson;";
 
         $helper = new RollbarJsHelper($config);
@@ -241,6 +239,18 @@ public function testConfigJsTag()
         $this->assertEquals($expected, $result);
     }
 
+    public function configJsTagProvider()
+    {
+        return array(
+            array(array(), '{}'),
+            array(array('config1' => 'value 1'), '{"config1":"value 1"}'),
+            array(
+                array('hostBlackList' => array('example.com', 'badhost.com')),
+                '{"hostBlackList":["example.com","badhost.com"]}'
+            ),
+        );
+    }
+
     /**
      * @dataProvider addJsProvider
      */