app\static\js\AuthedRoute.jsx

import React, { Component } from 'react';
import { Route, Redirect, withRouter } from 'react-router-dom';
import { connect } from 'react-redux';

const mapStateToProps = (state) => ({
    currentUser: state.common.currentUser
});

class AuthedRoute extends Component {
    render() {

        const { component, ...rest } = this.props;
        const Component = component;

        return (
            <Route
                {...rest}
                render={(props) => {
                    if (!localStorage.getItem('currentUser')) {
                        if (this.props.redirect) {
                            return <Redirect to="/register" />;
                        } else {
                            return <div />;
                        }
                    } else if (!this.props.currentUser) {
                        console.log(1);
                        return <div />;
                    } else {
                        return <Component {...props} />;
                    }
                }}
            />
        );
    }
}

AuthedRoute.defaultProps = {
    redirect: true,
};

export default withRouter(connect(mapStateToProps)(AuthedRoute));