Merge pull request #75 from leisim/characters_update

Author: passsy

lib/dartx.dart

@@ -11,6 +11,7 @@ import 'package:collection/collection.dart' hide DelegatingList;
 import 'package:crypto/crypto.dart' as crypto;
 
 export 'package:time/time.dart';
+export 'package:characters/characters.dart';
 
 part 'src/comparable.dart';
 part 'src/comparator.dart';

lib/src/string.dart

@@ -8,6 +8,10 @@ extension StringX on String {
   ///
   /// A character is a Unicode Grapheme cluster represented by a substring of
   /// the original string.
+  ///
+  /// Please use [StringCharacters].characters
+  /// https://github.com/dart-lang/characters/blob/10527437926f1b454edf9912fe700aa2506b1c3d/lib/src/extensions.dart#L9
+  @Deprecated("Use .characters from the official characters package")
   Iterable<String> get chars => Characters(this);
 
   /// Returns a copy of this string having its first letter uppercased, or the
@@ -137,7 +141,7 @@ extension StringX on String {
   /// print('message digest'.md5); //f96b697d7cb7938d525a2f31aaf161d0
   /// ```
   String get md5 => crypto.md5.convert(toUtf8()).toString();
-  
+
   /// Returns `true` if the String is either null or empty.
   bool get isNullOrEmpty {
     if (this == null) {

pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   collection: ">=1.14.11 <1.15.0"
   path: ^1.7.0
   crypto: ">=2.1.0 <2.2.0"
-  characters: ">=0.5.0 <0.6.0"
+  characters: ">=0.4.0 <1.0.0"
   time: ^1.2.0
 
 dev_dependencies:

test/string_test.dart

@@ -7,7 +7,9 @@ void main() {
   group('StringX', () {
     test('.chars', () {
       expect('test12'.chars, ['t', 'e', 's', 't', '1', '2']);
+      expect('test12'.characters, ['t', 'e', 's', 't', '1', '2']);
       expect('ഐ⌛酪Б👨‍👨‍👧‍👦'.chars, ['ഐ', '⌛', '酪', 'Б', '👨‍👨‍👧‍👦']);
+      expect('ഐ⌛酪Б👨‍👨‍👧‍👦'.characters, ['ഐ', '⌛', '酪', 'Б', '👨‍👨‍👧‍👦']);
     });
 
     test('.capitalize()', () {