vault-frontend/src/index.tsx

import * as React from 'react';
import { render } from 'react-dom';
import { Provider } from 'react-redux';
import { PersistGate } from 'redux-persist/integration/react';
import { configureStore } from '~/redux/store';
import App from '~/containers/App';

require('./styles/main.scss');

const { store, persistor } = configureStore();

render(
  <Provider store={store}>
    <PersistGate loading={null} persistor={persistor}>
      <App />
    </PersistGate>
  </Provider>,
  document.getElementById('app')
);