【Flutter】Masamuneで超速アプリ開発①「プロジェクトの作成」

flutter pub global activate katana_cli

$ katana doctor

#### Check the installation status of the commands required for the `katana` command.
[o] `flutter` exists at `/Users/xxx/fvm/versions/stable/bin//flutter`
[o] `dart` exists at `/Users/xxx/fvm/versions/stable/bin//dart`
[o] `npm` exists at `/opt/homebrew/opt/node@18/bin/npm`
[o] `git` exists at `/usr/bin/git`
[o] `keytool` exists at `/opt/homebrew/opt/openjdk/bin/keytool`
[o] `openssl` exists at `/opt/homebrew/bin/openssl`
[o] `gsutil` exists at `/opt/homebrew/bin/gsutil`
[o] `pod` exists at `/Users/xxx/.rbenv/shims/pod`

#### Check the installation status of the npm commands required for the `katana` command.
[o] `eslint` exists at `/usr/local/bin/eslint`
[o] `firebase` exists at `/opt/homebrew/bin/firebase`
[o] `lefthook` exists at `/opt/homebrew/bin/lefthook`
[o] `gh` exists at `/opt/homebrew/bin/gh`

#### Check the installation status of the flutter commands required for the `katana` command.
[o] `flutterfire` exists at `/Users/xxx/.pub-cache/bin/flutterfire`

katana create [Application ID(e.g. com.test.myapplication)]

katana create net.mathru.test

flutter run --dart-define=FLAVOR=dev

./lib
├── adapter.dart
├── config.dart
├── localize.dart
├── localize.localize.dart
├── main.dart
├── models
│   ├── counter.dart
│   ├── counter.freezed.dart
│   ├── counter.g.dart
│   └── counter.m.dart
├── pages
│   ├── home.dart
│   └── home.page.dart
├── router.dart
├── theme.dart
└── theme.theme.dart

// counter.dart

/// Value for model.
@freezed
@formValue
@immutable
@DocumentModelPath("app/counter")
abstract class CounterModel with _$CounterModel {
  const factory CounterModel({
    @Default(ModelCounter(0)) ModelCounter counter,
  }) = _CounterModel;
  const CounterModel._();

  factory CounterModel.fromJson(Map<String, Object?> json) =>
      _$CounterModelFromJson(json);

  /// Query for document.
  ///
  /// ```dart
  /// appRef.model(CounterModel.document());       // Get the document.
  /// ref.app.model(CounterModel.document())..load();  // Load the document.
  /// ```
  static const document = _$CounterModelDocumentQuery();

  /// Query for form value.
  ///
  /// ```dart
  /// ref.app.form(CounterModel.form(CounterModel()));    // Get the form controller in app scope.
  /// ref.page.form(CounterModel.form(CounterModel()));    // Get the form controller in page scope.
  /// ```
  static const form = _$CounterModelFormQuery();
}

const factory CounterModel({
   @Default(ModelCounter(0)) ModelCounter counter,
}) = _CounterModel;

// home.dart

@immutable
@PagePath("/")
class HomePage extends PageScopedWidget {
  const HomePage({
    super.key,
  });

  /// Used to transition to the HomePage screen.
  ///
  /// ```dart
  /// router.push(HomePage.query(parameters));    // Push page to HomePage.
  /// router.replace(HomePage.query(parameters)); // Replace page to HomePage.
  /// ```
  @pageRouteQuery
  static const query = _$HomePageQuery();

  @override
  Widget build(BuildContext context, PageRef ref) {
    // Describes the process of loading
    // and defining variables required for the page.
    final model = ref.app.model(CounterModel.document())..load();

    // Describes the structure of the page.
    return UniversalScaffold(
      appBar: UniversalAppBar(title: Text(l().appTitle)),
      body: UniversalColumn(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          const Text(
            "You have pushed the button this many times:",
          ),
          Text(
            "${model.value?.counter.value ?? 0}",
            style: context.theme.text.displayMedium,
          ),
        ],
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          final value = model.value ?? const CounterModel();
          model.save(
            value.copyWith(counter: value.counter.increment(1)),
          );
        },
        tooltip: "Increment",
        child: const Icon(Icons.add),
      ),
    );
  }
}

final model = ref.app.model(CounterModel.document())..load();

Text(
  "${model.value?.counter.value ?? 0}",
  style: theme.text.displayMedium,
),

final value = model.value ?? const CounterModel();
model.save(
  value.copyWith(counter: value.counter.increment(1)),
);

// adapter.dart

final modelAdapter = LocalModelAdapter();
// final modelAdapter = RuntimeModelAdapter();