feature: configureStore initial implementation

Author: mrnkr

lib/redux_toolkit.dart

@@ -3,5 +3,6 @@ library redux_toolkit;
 export 'package:reselect/reselect.dart';
 export './src/action.dart';
 export './src/async_thunk.dart';
+export './src/configure_store.dart';
 export './src/create_reducer.dart';
 export './src/nanoid.dart';

lib/src/configure_store.dart

@@ -0,0 +1,70 @@
+import 'dart:async';
+import 'package:redux/redux.dart';
+import 'package:redux_dev_tools/redux_dev_tools.dart';
+import 'package:redux_thunk/redux_thunk.dart';
+import 'package:redux_remote_devtools/redux_remote_devtools.dart';
+
+typedef StoreBuilderCallback<State> = Function(StoreBuilder<State> builder);
+
+Future<Store<State>> configureStore<State>(StoreBuilderCallback<State> builderCallback) {
+  final builder = _StoreBuilder<State>();
+  builderCallback(builder);
+  return builder.build();
+}
+
+abstract class StoreBuilder<State> {
+  StoreBuilder<State> withPreloadedState(State preloadedState);
+  StoreBuilder<State> withReducer(Reducer<State> reducer);
+  StoreBuilder<State> withMiddleware(Middleware<State> middleware);
+  StoreBuilder<State> usingDevtools(String devToolsIpAddr);
+}
+
+class _StoreBuilder<State> implements StoreBuilder<State> {
+  static final _ipAddrRegex = RegExp(r'^([0-9]{1,3}\.){3}[0-9]{1,3}:[0-9]{1,5}$');
+
+  State _preloadedState;
+  Reducer<State> _reducer;
+  List<Middleware<State>> _middleware = [thunkMiddleware];
+  bool _devTools = false;
+  String _devToolsIpAddr;
+
+  StoreBuilder<State> withReducer(Reducer<State> reducer) {
+    _reducer = reducer;
+    return this;
+  }
+
+  StoreBuilder<State> withPreloadedState(State preloadedState) {
+    _preloadedState = preloadedState;
+    return this;
+  }
+
+  StoreBuilder<State> withMiddleware(Middleware<State> middleware) {
+    _middleware.add(middleware);
+    return this;
+  }
+
+  StoreBuilder<State> usingDevtools(String devToolsIpAddr) {
+    assert(_ipAddrRegex.hasMatch(devToolsIpAddr));
+
+    _devTools = true;
+    _devToolsIpAddr = devToolsIpAddr;
+
+    return this;
+  }
+
+  Future<Store<State>> build() async {
+    assert(_reducer != null);
+
+    if (_devTools) {
+      var remoteDevtools = RemoteDevToolsMiddleware(_devToolsIpAddr);
+      _middleware.add(remoteDevtools);
+      final store = DevToolsStore<State>(_reducer, middleware: _middleware, initialState: _preloadedState);
+      remoteDevtools.store = store;
+      await remoteDevtools.connect();
+      return store;
+    }
+
+    final store = Store<State>(_reducer, middleware: _middleware, initialState: _preloadedState);
+    return store;
+  }
+}

pubspec.yaml

@@ -9,6 +9,8 @@ dependencies:
   redux: ^4.0.0+2
   reselect: ^0.4.0
   redux_thunk: ^0.3.0
+  redux_dev_tools: ^0.5.2
+  redux_remote_devtools: ^2.0.0
 
 dev_dependencies:
   test: ^1.3.0