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When we introduced prerendering for flight we modeled an abort of a flight prerender as having unfinished rows. This is similar to how postpone was already implemented when you postponed from "within" a prerender using React.unstable_postpone. However when aborting with a postponed instance every boundary would be eagerly marked for client rendering which is more akin to prerendering and then resuming with an aborted signal. The insight with the flight work was that it's not so much the postpone that describes the intended semantics but the abort combined with a prerender. So like in flight when you abort a prerender and enableHalt is enabled boundaries and the shell won't error for any reason. Fizz will still call onPostpone and onError according to the abort reason but the consuemr of the prerender should expect to resume it before trying to use it.
react-dom
This package serves as the entry point to the DOM and server renderers for React. It is intended to be paired with the generic React package, which is shipped as react to npm.
Installation
npm install react react-dom
Usage
In the browser
import { createRoot } from 'react-dom/client';
function App() {
return <div>Hello World</div>;
}
const root = createRoot(document.getElementById('root'));
root.render(<App />);
On the server
import { renderToPipeableStream } from 'react-dom/server';
function App() {
return <div>Hello World</div>;
}
function handleRequest(res) {
// ... in your server handler ...
const stream = renderToPipeableStream(<App />, {
onShellReady() {
res.statusCode = 200;
res.setHeader('Content-type', 'text/html');
stream.pipe(res);
},
// ...
});
}
API
react-dom
See https://react.dev/reference/react-dom
react-dom/client
See https://react.dev/reference/react-dom/client