Add wrapperClass property

CHANGELOG.md

@@ -7,6 +7,7 @@
 - Added recommendations to the Blitz cache utility.
 - Added the user that runs controller actions to log messages.
 - Added an expiry date column to pages and elements in the Blitz Cache utility ([#615](https://github.com/putyourlightson/craft-blitz/issues/615)).
+- Added a `wrapperClass` property to the `VariableConfigModel` class ([#620](https://github.com/putyourlightson/craft-blitz/issues/620)).
 - Added new console commands for clearing, generating and purging the cache: `blitz/cache/clear-site`, `blitz/cache/clear-tagged`, `blitz/cache/clear-urls`, `blitz/cache/generate-site`, `blitz/cache/generate-tagged`, `blitz/cache/generate-urls`, `blitz/cache/purge-site`, `blitz/cache/purge-tagged`, `blitz/cache/purge-urls`.
 
 ### Changed

src/models/VariableConfigModel.php

@@ -34,6 +34,11 @@ class VariableConfigModel extends Model
      */
     public string $wrapperElement = 'span';
 
+    /**
+     * @var string Specifies the class to add to the wrapper element.
+     */
+    public string $wrapperClass = '';
+
     /**
      * @var string Specifies the placeholder content.
      */
@@ -50,7 +55,7 @@ class VariableConfigModel extends Model
     protected function defineRules(): array
     {
         return [
-            [['requestType', 'wrapperElement', 'placeholder', 'property'], 'string'],
+            [['requestType', 'wrapperElement', 'wrapperClass', 'placeholder', 'property'], 'string'],
             [['requestType'], 'in', 'range' => [self::AJAX_REQUEST_TYPE, self::INCLUDE_REQUEST_TYPE]],
         ];
     }

src/variables/BlitzVariable.php

@@ -316,7 +316,7 @@ private function _getScript(string $uri, array $params, VariableConfigModel $con
         ];
 
         $output = Html::tag($config->wrapperElement, $config->placeholder, [
-            'class' => 'blitz-inject',
+            'class' => $config->wrapperClass . ' blitz-inject',
             'id' => 'blitz-inject-' . $id,
             'data' => $data,
         ]);