Merge pull request #1 from redDwarf03/main

feat: Add a method to validate a specific mnemonic word

CHANGELOG.md

@@ -40,4 +40,7 @@
 - tests update -> 100% coverage
 
 ## 3.0.1
-- README update
+- README update
+
+## 3.0.2
+- Add a method to validate a specific menmonic word

lib/src/language.dart

@@ -38,4 +38,9 @@ enum Language {
       return '\u{0020}'; // space (SP)
     }
   }
+
+  /// isValid checks the provided word presence in the wordlist
+  bool isValid(String word) {
+    return list.contains(word);
+  }
 }

pubspec.yaml

@@ -1,14 +1,14 @@
 name: bip39_mnemonic
 description:  Mnemonic code for generating deterministic keys a.k.a. BIP39.
-version: 3.0.1
+version: 3.0.2
 homepage: https://github.com/ethicnology/dart-bip39-mnemonic
 
 environment:
   sdk: '>=2.17.0 <3.0.0'
 dev_dependencies:
   lints: ^2.0.0
-  test: ^1.21.1
-  convert: ^3.0.1
+  test: ^1.21.3
+  convert: ^3.0.2
 dependencies: 
   pointycastle: ^3.6.0
   unorm_dart: ^0.2.0

test/language_test.dart

@@ -23,4 +23,27 @@ void main() {
       }
     });
   });
+
+  group('isValid', () {
+    test('check if word exists in a list', () {
+      expect(Language.english.isValid('admit'), true);
+    });
+
+    test('check if word doesn\'t exist in a wrong list', () {
+      expect(Language.simplifiedChinese.isValid('admit'), false);
+    });
+
+    test('check if word doesn\'t exist in a list', () {
+      expect(Language.english.isValid('hey'), false);
+    });
+
+    // https://github.com/flutter/flutter/issues/104927#issuecomment-1141319254
+    test('check if word is NFKD, no', () {
+      expect(Language.french.isValid('échelle'), false); // non NFKD
+    });
+
+    test('check if word is NFKD, yes', () {
+      expect(Language.french.isValid('échelle'), true); // NFKD
+    });
+  });
 }