app/javascript/utils/createStore.js
import {
createStore,
combineReducers,
compose,
applyMiddleware
} from 'redux';
import thunk from 'redux-thunk'
export default (reducers) => {
// Enable Chrome Redux DevTools extension if available
const enableDevTools =
window.devToolsExtension ? window.devToolsExtension() : f => f;
// This is awful looking.
return compose(
applyMiddleware(thunk),
enableDevTools
)(
createStore
)(
combineReducers(reducers)
);
};