metamask-extension/ui/helpers/higher-order-components/authenticated/authenticated.component.js

import React from 'react';
import PropTypes from 'prop-types';
import { Redirect, Route } from 'react-router-dom';
import {
  UNLOCK_ROUTE,
  INITIALIZE_ROUTE,
  ONBOARDING_ROUTE,
} from '../../constants/routes';

export default function Authenticated(props) {
  const { isUnlocked, completedOnboarding } = props;
  switch (true) {
    case isUnlocked && completedOnboarding:
      return <Route {...props} />;
    case !completedOnboarding:
      return (
        <Redirect
          to={{
            pathname: process.env.ONBOARDING_V2
              ? ONBOARDING_ROUTE
              : INITIALIZE_ROUTE,
          }}
        />
      );
    default:
      return <Redirect to={{ pathname: UNLOCK_ROUTE }} />;
  }
}

Authenticated.propTypes = {
  isUnlocked: PropTypes.bool,
  completedOnboarding: PropTypes.bool,
};