App.block.js

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/* eslint-disable import/first */

import * as React from 'react';
import {unstable_block as block} from 'react';

// Server

import loadFeedPage from './FeedPage.block';
import loadProfilePage from './ProfilePage.block';

function load(url) {
  let Page;
  switch (url) {
    case '/':
      Page = loadFeedPage();
      break;
    case '/profile':
      Page = loadProfilePage(3);
      break;
    default:
      throw Error('Not found');
  }
  return {Page};
}

// Client

import Shell from '../client/Shell';

function App(props, data) {
  return (
    <Shell>
      <data.Page />
    </Shell>
  );
}

export default block(App, load);