fix: only unflink file if exists

csv_export.js

@@ -13,7 +13,7 @@ class CsvExport {
 
     if (!fs.existsSync(path.dirname(filePath))) {
       fs.mkdirSync(path.dirname(filePath), { recursive: true });
-    } else {
+    } else if (fs.existsSync(filePath)){
       fs.unlinkSync(filePath)
     }
   }