add melos and rebase project structure

cherrypick/example/README.md

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+# Example
+
+pubspec.yaml:
+
+```yaml
+name: example
+version: 1.0.0
+
+environment:
+  sdk: ">=2.12.0 <3.0.0"
+
+
+dependencies:
+  cherrypick:
+    path: ../
+
+dev_dependencies:
+  test: ^1.16.8
+```
+
+main.dart:
+
+```dart
+import 'dart:async';
+import 'package:meta/meta.dart';
+import 'package:cherrypick/scope.dart';
+import 'package:cherrypick/module.dart';
+
+class AppModule extends Module {
+  @override
+  void builder(Scope currentScope) {
+    bind<ApiClient>().withName("apiClientMock").toInstance(ApiClientMock());
+    bind<ApiClient>().withName("apiClientImpl").toInstance(ApiClientImpl());
+  }
+}
+
+class FeatureModule extends Module {
+  bool isMock;
+
+  FeatureModule({required this.isMock});
+
+  @override
+  void builder(Scope currentScope) {
+    bind<DataRepository>()
+        .withName("networkRepo")
+        .toProvide(
+          () => NetworkDataRepository(
+            currentScope.resolve<ApiClient>(
+              named: isMock ? "apiClientMock" : "apiClientImpl",
+            ),
+          ),
+        )
+        .singleton();
+    bind<DataBloc>().toProvide(
+      () => DataBloc(
+        currentScope.resolve<DataRepository>(named: "networkRepo"),
+      ),
+    );
+  }
+}
+
+void main() async {
+  final scope = openRootScope().installModules([
+    AppModule(),
+  ]);
+
+  final subScope = scope
+      .openSubScope("featureScope")
+      .installModules([FeatureModule(isMock: true)]);
+
+  final dataBloc = subScope.resolve<DataBloc>();
+  dataBloc.data.listen((d) => print('Received data: $d'),
+      onError: (e) => print('Error: $e'), onDone: () => print('DONE'));
+
+  await dataBloc.fetchData();
+}
+
+class DataBloc {
+  final DataRepository _dataRepository;
+
+  Stream<String> get data => _dataController.stream;
+  StreamController<String> _dataController = new StreamController.broadcast();
+
+  DataBloc(this._dataRepository);
+
+  Future<void> fetchData() async {
+    try {
+      _dataController.sink.add(await _dataRepository.getData());
+    } catch (e) {
+      _dataController.sink.addError(e);
+    }
+  }
+
+  void dispose() {
+    _dataController.close();
+  }
+}
+
+abstract class DataRepository {
+  Future<String> getData();
+}
+
+class NetworkDataRepository implements DataRepository {
+  final ApiClient _apiClient;
+  final _token = 'token';
+
+  NetworkDataRepository(this._apiClient);
+
+  @override
+  Future<String> getData() async => await _apiClient.sendRequest(
+      url: 'www.google.com', token: _token, requestBody: {'type': 'data'});
+}
+
+abstract class ApiClient {
+  Future sendRequest({@required String url, String token, Map requestBody});
+}
+
+class ApiClientMock implements ApiClient {
+  @override
+  Future sendRequest(
+      {@required String? url, String? token, Map? requestBody}) async {
+    return 'Local Data';
+  }
+}
+
+class ApiClientImpl implements ApiClient {
+  @override
+  Future sendRequest(
+      {@required String? url, String? token, Map? requestBody}) async {
+    return 'Network data';
+  }
+}
+```

cherrypick/example/bin/main.dart

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+import 'dart:async';
+
+import 'package:cherrypick/cherrypick.dart';
+import 'package:meta/meta.dart';
+
+class AppModule extends Module {
+  @override
+  void builder(Scope currentScope) {
+    bind<ApiClient>().withName('apiClientMock').toInstance(ApiClientMock());
+    bind<ApiClient>().withName('apiClientImpl').toInstance(ApiClientImpl());
+  }
+}
+
+class FeatureModule extends Module {
+  bool isMock;
+
+  FeatureModule({required this.isMock});
+
+  @override
+  void builder(Scope currentScope) {
+    bind<DataRepository>()
+        .withName('networkRepo')
+        .toProvide(
+          () => NetworkDataRepository(
+            currentScope.resolve<ApiClient>(
+              named: isMock ? 'apiClientMock' : 'apiClientImpl',
+            ),
+          ),
+        )
+        .singleton();
+
+    bind<DataBloc>().toProvideWithParams(
+      (param) => DataBloc(
+        currentScope.resolve<DataRepository>(named: 'networkRepo'),
+        param,
+      ),
+    );
+  }
+}
+
+void main() async {
+  final scope = openRootScope().installModules([
+    AppModule(),
+  ]);
+
+  final subScope = scope
+      .openSubScope('featureScope')
+      .installModules([FeatureModule(isMock: true)]);
+
+  final dataBloc = subScope.resolve<DataBloc>(params: 'PARAMETER');
+  dataBloc.data.listen((d) => print('Received data: $d'),
+      onError: (e) => print('Error: $e'), onDone: () => print('DONE'));
+
+  await dataBloc.fetchData();
+}
+
+class DataBloc {
+  final DataRepository _dataRepository;
+
+  Stream<String> get data => _dataController.stream;
+  final StreamController<String> _dataController = StreamController.broadcast();
+
+  final String param;
+
+  DataBloc(this._dataRepository, this.param);
+
+  Future<void> fetchData() async {
+    try {
+      _dataController.sink.add(await _dataRepository.getData(param));
+    } catch (e) {
+      _dataController.sink.addError(e);
+    }
+  }
+
+  void dispose() {
+    _dataController.close();
+  }
+}
+
+abstract class DataRepository {
+  Future<String> getData(String param);
+}
+
+class NetworkDataRepository implements DataRepository {
+  final ApiClient _apiClient;
+  final _token = 'token';
+
+  NetworkDataRepository(this._apiClient);
+
+  @override
+  Future<String> getData(String param) async => await _apiClient.sendRequest(
+      url: 'www.google.com',
+      token: _token,
+      requestBody: {'type': 'data'},
+      param: param);
+}
+
+abstract class ApiClient {
+  Future sendRequest({
+    @required String url,
+    String token,
+    Map requestBody,
+    String param,
+  });
+}
+
+class ApiClientMock implements ApiClient {
+  @override
+  Future sendRequest({
+    @required String? url,
+    String? token,
+    Map? requestBody,
+    String? param,
+  }) async {
+    return 'Local Data $param';
+  }
+}
+
+class ApiClientImpl implements ApiClient {
+  @override
+  Future sendRequest({
+    @required String? url,
+    String? token,
+    Map? requestBody,
+    String? param,
+  }) async {
+    return 'Network data $param';
+  }
+}

cherrypick/example/pubspec.yaml

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+name: example
+version: 1.0.0
+homepage: localhost
+publish_to: none
+
+environment:
+  sdk: ">=2.12.0 <3.0.0"
+
+
+dependencies:
+  meta: ^1.3.0
+  
+  cherrypick:
+    path: ../
+
+dev_dependencies:
+  test: ^1.16.8