Fix cache flush issue

Author: Sonja Broda

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "texnixe/similar",
     "description": "Find similar pages or files based on similarities between fields",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "type": "kirby-plugin",
     "license": "MIT",
     "authors": [

index.php

@@ -4,9 +4,9 @@
 /**
  * Kirby 3 Similar Plugin
  *
- * @version   1.0.0
- * @author    Sonja Broda <[email protected]>
- * @copyright Sonja Broda <[email protected]>
+ * @version   1.0.1
+ * @author    Sonja Broda <[email protected]>
+ * @copyright Sonja Broda <[email protected]>
  * @link      https://github.com/texnixe/kirby3-similar
  * @license   MIT
  */

package.json

@@ -3,7 +3,7 @@
   "description": "Kirby 3 Similar plugin",
   "author": "Sonja Broda <[email protected]>",
   "license": "MIT",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "repository": {
     "type": "git",
     "url": "https://github.com/texnixe/kirby3-similar"

src/Similar.php

@@ -24,7 +24,9 @@ private static function cache(): \Kirby\Cache\Cache
 
     public static function flush()
     {
-        return static::cache()->flush();
+        if (static::$cache) {
+            return static::cache()->flush();
+        }
     }
 
     public static function data($basis, $options = [])