nullalbe with support 70 languages

lib/country_code.dart

@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart' show IterableExtension;
 import 'package:country_code_picker/country_codes.dart';
 import 'package:country_code_picker/country_localizations.dart';
 import 'package:flutter/cupertino.dart';
@@ -10,16 +11,16 @@ class CElement = CountryCode with ToAlias;
 /// Country element. This is the element that contains all the information
 class CountryCode {
   /// the name of the country
-  String name;
+  String? name;
 
   /// the flag of the country
-  final String flagUri;
+  final String? flagUri;
 
   /// the country code (IT,AF..)
-  final String code;
+  final String? code;
 
   /// the dial code (+39,+93..)
-  final String dialCode;
+  final String? dialCode;
 
   CountryCode({
     this.name,
@@ -29,16 +30,10 @@ class CountryCode {
   });
 
   factory CountryCode.fromCode(String isoCode) {
-    final Map<String, String> jsonCode = codes.firstWhere(
+    final Map<String, String>? jsonCode = codes.firstWhereOrNull(
       (code) => code['code'] == isoCode,
-      orElse: () => null,
     );
-
-    if (jsonCode == null) {
-      return null;
-    }
-
-    return CountryCode.fromJson(jsonCode);
+    return CountryCode.fromJson(jsonCode!);
   }
 
   CountryCode localize(BuildContext context) {