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4b8dfd6215
Stacked on #28458. This doesn't actually really change the messages yet, it's just a refactor. Hydration warnings can be presented either as HTML or React JSX format. If presented as HTML it makes more sense to make that a DOM specific concept, however, I think it's actually better to present it in terms of React JSX. Most of the time the errors aren't going to be something messing with them at the HTML/HTTP layer. It's because the JS code does something different. Most of the time you're working in just React. People don't necessarily even know what the HTML form of it looks like. So this takes the approach that the warnings are presented in React JSX in their rich object form. Therefore, I'm moving the approach to yield diff data to the reconciler but it's the reconciler that's actually printing all the warnings.
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