writeList method
Implementation
Future<void> writeList(
final String key, final List<Serializable> value) async {
final List<Map<String, dynamic>> map =
value.map((item) => item.toJson()).toList();
final existingValue = storage.read(key);
if (existingValue != map) {
_log(key, "Saved List data", type: PenType.success);
await storage.write(key, map);
}
}