fix: slangを使った多言語化

.vscode/page.code-snippets

@@ -30,21 +30,21 @@
 		"body": [
 			"import 'package:flutter/material.dart';",
 			"import 'package:flutter_hooks/flutter_hooks.dart';",
+			"import 'package:themes/themes.dart';",
 			"",
-			"import '../../../../commons/hooks/hooks.dart';",
-			"import '../../../style/style.dart';",
+			"import '../../../gen/strings.g.dart';",
 			"",
 			"class ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}${2}/} extends HookWidget implements PreferredSizeWidget {",
 			"  const ${TM_FILENAME_BASE/(.*)/${1:/pascalcase}${2}/}({super.key});",
 			"",
 			"  @override",
-			"  Size get preferredSize => appbarSize;",
+			"  Size get preferredSize => appBarDefaultSize;",
 			"",
 			"  @override",
 			"  Widget build(BuildContext context) {",
-			"    final l10n = useL10n();",
+			"    final t = Translations.of(context);",
 			"    return AppBar(",
-			"      title: Text(l10n.${TM_FILENAME_BASE/(.*)/${1:/camelcase}${2}/}Title),",
+			"      title: Text(t.${TM_FILENAME_BASE/[\\._]/./g}.title),",
 			"    );",
 			"  }",
 			"}",
@@ -67,7 +67,7 @@
 			"",
 			"  @override",
 			"  Widget build(BuildContext context, WidgetRef ref) {",
-			"    final l10n = useL10n();",
+			"    final t = Translations.of(context);",
 			"    return $1;",
 			"  }",
 			"}",

melos.yaml

@@ -8,9 +8,6 @@ packages:
 command:
   bootstrap:
     runPubGetInParallel: true
-    hooks:
-      post: |
-        melos exec --flutter --dir-exists=lib/l10n -- "flutter gen-l10n"
   clean:
     hooks:
       post: |
@@ -75,10 +72,11 @@ scripts:
       flutter: true
       dirExists: [lib, test]
 
+  # ファイル除外機能に関するissue　https://github.com/dart-lang/dart_style/issues/864
   format:ci:
     run: |
       melos exec -- \
-        dart format --set-exit-if-changed lib test
+        dart format --set-exit-if-changed $(find . -name "*.dart" -not \( -name "*.*freezed.dart" -o -name "*.*g.dart" -o -name "*.gen.dart" -o -wholename "./.dart_tool/*" \) )
     description: Run format.
     packageFilters:
       flutter: true

packages/flutter_app/README.md

@@ -34,8 +34,27 @@ Required only `--release` mode.
 
 ## How to use
 ### Localizations
+JSONファイルを作成
+```json
+{
+  "hello": "Hello $name",
+  "save": "Save",
+  "login": {
+    "success": "Logged in successfully",
+    "fail": "Logged in failed"
+  }
+}
+```
+Dartファイルを生成
+```shell
+dart run slang
+```
+
+生成されたDartファイルをimportして使用
 ```dart
-final l10n = L10n.of(context);
+import '../../../gen/strings.g.dart';
+
+final t = Translations.of(context);
 ```
 
 ## FlutterFire Configure

packages/flutter_app/analysis_options.yaml

@@ -3,6 +3,5 @@ analyzer:
   plugins:
     - custom_lint
   exclude:
-    - "**/l10n/*.dart"
     - "**/gen/*.dart"
     - "**/firebase_options_*.dart"

packages/flutter_app/lib/features/theme_selector/theme_mode_ext.dart

@@ -1,26 +1,27 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+import '../../gen/strings.g.dart';
 
 extension ThemeModeExt on ThemeMode {
-  String title(AppLocalizations l10n) {
+  String title(Translations t) {
     switch (this) {
       case ThemeMode.system:
-        return l10n.themeModeTitleSystem;
+        return t.theme.mode.title.system;
       case ThemeMode.light:
-        return l10n.themeModeTitleLight;
+        return t.theme.mode.title.light;
       case ThemeMode.dark:
-        return l10n.themeModeTitleDark;
+        return t.theme.mode.title.dark;
     }
   }
 
-  String subtitle(AppLocalizations l10n) {
+  String subtitle(Translations t) {
     switch (this) {
       case ThemeMode.system:
-        return l10n.themeModeSubtitleSystem;
+        return t.theme.mode.subtitle.system;
       case ThemeMode.light:
-        return l10n.themeModeSubtitleLight;
+        return t.theme.mode.subtitle.light;
       case ThemeMode.dark:
-        return l10n.themeModeSubtitleDark;
+        return t.theme.mode.subtitle.dark;
     }
   }
 

packages/flutter_app/lib/flutter_app.dart

@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:themes/themes.dart';
 
 import 'features/theme_selector/theme_selector.dart';
+import 'gen/strings.g.dart';
 import 'router/router.dart';
-import 'util/localizer/localizer.dart';
 import 'util/providers/scaffold_messenger_key_provider.dart';
 
 class FlutterApp extends ConsumerWidget {
@@ -17,12 +17,12 @@ class FlutterApp extends ConsumerWidget {
 
     return MaterialApp.router(
       routerConfig: router,
-      onGenerateTitle: (context) => L10n.of(context).title,
+      onGenerateTitle: (context) => Translations.of(context).title,
       theme: appLightThemeData,
       darkTheme: appDarkThemeData,
       themeMode: ref.watch(themeSelectorProvider),
-      localizationsDelegates: AppLocalizations.localizationsDelegates,
-      supportedLocales: AppLocalizations.supportedLocales,
+      localizationsDelegates: GlobalMaterialLocalizations.delegates,
+      supportedLocales: AppLocaleUtils.supportedLocales,
       scaffoldMessengerKey: ref.watch(scaffoldMessengerKeyProvider),
     );
   }