accounts-frontend/packages/app/containers/PrivateRoute.tsx

import React, { ComponentType } from 'react';
import { Route, Redirect, RouteProps } from 'react-router-dom';
import { Location } from 'history';
import { connect } from 'react-redux';
import { getActiveAccount } from 'app/components/accounts/reducer';
import { Account } from 'app/components/accounts';
import { RootState } from 'app/reducers';

interface Props extends RouteProps {
  component: ComponentType<any>;
  account: Account | null;
}

const PrivateRoute = ({ account, component: Component, ...rest }: Props) => (
  <Route
    {...rest}
    render={(props: { location: Location }) =>
      !account || !account.token ? (
        <Redirect to="/login" />
      ) : (
        <Component {...props} />
      )
    }
  />
);

export default connect((state: RootState) => ({
  account: getActiveAccount(state),
}))(PrivateRoute);