Almost matching export.

src/util/deepLowercaseKeys.ts

@@ -22,7 +22,9 @@ function deepLowerCaseKeys<T = any>(obj: any): T {
       const lowercaseKey = key.toLowerCase();
 
       result[lowercaseKey] =
-        typeof value === "object" && value !== null
+        typeof value === "object" &&
+        value !== null &&
+        Object.keys(value).length > 0
           ? deepLowerCaseKeys(value)
           : value;