Add redux and initial reducer

.babelrc

@@ -1,4 +1,3 @@
 {
-  "plugins": ["transform-react-jsx"],
-  "presets": ["env"]
+  "presets": ["env", "stage-0", "react", "es2015"]
 }

package.json

@@ -19,6 +19,9 @@
     "babel-core": "^6.25.0",
     "babel-loader": "^7.1.1",
     "babel-preset-env": "^1.6.0",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-react": "^6.24.1",
+    "babel-preset-stage-0": "^6.24.1",
     "css-loader": "^0.28.4",
     "react": "^15.6.1",
     "react-dom": "^15.6.1",

src/actions/resources.js

@@ -0,0 +1 @@
+export const UPDATE_RESOURCES = 'UPDATE_RESOURCES';

src/index.js

@@ -1,10 +1,15 @@
 import React from 'react';
 import { render } from 'react-dom';
+import { Provider } from 'react-redux';
+
+import store from './store';
 import scss from '../scss/base.scss';
 
 render(
+  <Provider store={store}>
     <h1>
       Hello world!
-  </h1>,
+    </h1>
+  </Provider>,
   document.getElementById('root')
 );

src/reducers/index.js

@@ -0,0 +1,8 @@
+import { combineReducers } from 'redux';
+import torrents from './torrents';
+
+const root = combineReducers({
+  torrents
+});
+
+export default root;

src/reducers/torrents.js

@@ -0,0 +1,14 @@
+import { UPDATE_RESOURCES } from '../actions/resources';
+
+export default function torrents(state = {}, action) {
+  switch (action.type) {
+  case UPDATE_RESOURCES:
+    return {
+      ...state,
+      ...action.resources
+        .filter(r => r.type === "torrent")
+        .reduce((s, r) => s[r.id] = r, {})
+    };
+  }
+  return state;
+}

src/store.js

@@ -0,0 +1,10 @@
+import { createStore } from 'redux';
+
+import reducer from './reducers';
+
+const store = createStore(
+  reducer,
+  window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__()
+);
+
+export default store;