index.js

import React from 'react';
import ReactDOM from 'react-dom';
import { BrowserRouter } from 'react-router-dom'
import App from './App';
import { Provider } from 'react-redux';
import registerServiceWorker from './registerServiceWorker';
import store from './store.js';

// Add all changes to localstorage
store.subscribe(() => {
    let state = store.getState();
    localStorage.setItem('acceptedNames', JSON.stringify(state.names.accepted));
    localStorage.setItem('rejectedNames', JSON.stringify(state.names.rejected));
    localStorage.setItem('gender', JSON.stringify(state.gender.selected));
});

ReactDOM.render(
    <BrowserRouter>
        <Provider store={store}>
            <App />
        </Provider>
    </BrowserRouter>,
    document.getElementById('root'));
registerServiceWorker();