ref: Little refactoring

client/src/utils/get-filename-and-extension.js

@@ -0,0 +1,16 @@
+/*!
+ * Copyright (c) 2024 PLANKA Software GmbH
+ * Licensed under the Fair Use License: https://github.com/plankanban/planka/blob/master/LICENSE.md
+ */
+
+export default (url) => {
+  const filename = url.split('/').pop().toLowerCase();
+
+  let extension = filename.slice((Math.max(0, filename.lastIndexOf('.')) || Infinity) + 1);
+  extension = extension ? extension.toLowerCase() : null;
+
+  return {
+    filename,
+    extension,
+  };
+};