redux infrastructure

src/index.js

@@ -4,10 +4,16 @@ import { BrowserRouter as Router } from "react-router-dom";
 import "bootstrap/dist/css/bootstrap.min.css";
 import App from "./components/App";
 import "./index.css";
+import configureStore from "./redux/configureStore";
+import { Provider as ReduxProvider } from "react-redux";
+
+const store = configureStore();
 
 render(
+  <ReduxProvider store={store}>
     <Router>
       <App />
-  </Router>,
+    </Router>
+  </ReduxProvider>,
   document.getElementById("app")
 );

src/redux/actions/courseActions.js

@@ -0,0 +1,3 @@
+export function createCourse(course) {
+  return { type: "CREATE_COURSE", course };
+}

src/redux/configureStore.js

@@ -0,0 +1,14 @@
+import { createStore, applyMiddleware, compose } from "redux";
+import rootReducer from "./reducers";
+import reduxImmutableStateInvariant from "redux-immutable-state-invariant";
+
+export default function configureStore(initialState) {
+  const composeEnhancers =
+    window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose; //add support for Redux dev tools
+
+  return createStore(
+    rootReducer,
+    initialState,
+    composeEnhancers(applyMiddleware(reduxImmutableStateInvariant()))
+  );
+}

src/redux/reducers/courseReducer.js

@@ -0,0 +1,9 @@
+export default function courseReducer(state = [], action) {
+  switch (action.type) {
+    case "CREATE_COURSE":
+      return [...state, { ...action.course }];
+
+    default:
+      return state;
+  }
+}

src/redux/reducers/index.js

@@ -0,0 +1,8 @@
+import { combineReducers } from "redux";
+import courseReducer from "./courseReducer";
+
+const rootReducer = combineReducers({
+  courses: courseReducer
+});
+
+export default rootReducer;