region.js — react Source File

Source Code

'use strict';

// This is a server to host data-local resources like databases and RSC

const path = require('path');
const url = require('url');

if (typeof fetch === 'undefined') {
  // Patch fetch for earlier Node versions.
  global.fetch = require('undici').fetch;
}

const express = require('express');
const bodyParser = require('body-parser');
const busboy = require('busboy');
const app = express();
const compress = require('compression');
const {Readable} = require('node:stream');

const nodeModule = require('node:module');

app.use(compress());

// Application

const {readFile} = require('fs').promises;

const React = require('react');

const moduleBasePath = new URL('../src', url.pathToFileURL(__filename)).href;

async function renderApp(res, returnValue) {
  const {renderToPipeableStream} = await import('react-server-dom-esm/server');
  const m = await import('../src/App.js');

  const App = m.default;
  const root = React.createElement(App);
  // For client-invoked server actions we refresh the tree and return a return value.
  const payload = returnValue ? {returnValue, root} : root;
  const {pipe} = renderToPipeableStream(payload, moduleBasePath);
  pipe(res);
}

app.get('/', async function (req, res) {
  await renderApp(res, null);
});

app.post('/', bodyParser.text(), async function (req, res) {
  const {
    renderToPipeableStream,
    decodeReply,
    decodeReplyFromBusboy,
    decodeAction,
  } = await import('react-server-dom-esm/server');
  const serverReference = req.get('rsc-action');
  if (serverReference) {
    // This is the client-side case
    const [filepath, name] = serverReference.split('#');
    const action = (await import(filepath))[name];
    // Validate that this is actually a function we intended to expose and
// ... (165 more lines)