Update file language on renaming.

utils/helpers.ts

@@ -12,4 +12,10 @@ export const capitalize = (value?: string) => {
     if (!value) return '';
 
     return value[0].toLocaleUpperCase() + value.slice(1);
+}
+
+export const getFileExtention = (filename?: string): string | undefined => {
+    if (!filename) return
+    const ext = (filename.includes('.') && filename.split('.').pop()) || undefined
+    return ext
 }