entry.server.tsx•1.47 kB
import type { AppLoadContext, EntryContext } from "react-router";
import { ServerRouter } from "react-router";
import { isbot } from "isbot";
import { renderToReadableStream } from "react-dom/server";
export default async function handleRequest(
request: Request,
responseStatusCode: number,
responseHeaders: Headers,
routerContext: EntryContext,
_loadContext: AppLoadContext,
) {
let shellRendered = false;
const userAgent = request.headers.get("user-agent");
const body = await renderToReadableStream(
<ServerRouter context={routerContext} url={request.url} />,
{
onError(error: unknown) {
responseStatusCode = 500;
// Log streaming rendering errors from inside the shell. Don't log
// errors encountered during initial shell rendering since they'll
// reject and get logged in handleDocumentRequest.
if (shellRendered) {
console.error(error);
}
},
},
);
shellRendered = true;
// Ensure requests from bots and SPA Mode renders wait for all content to load before responding
// https://react.dev/reference/react-dom/server/renderToPipeableStream#waiting-for-all-content-to-load-for-crawlers-and-static-generation
if ((userAgent && isbot(userAgent)) || routerContext.isSpaMode) {
await body.allReady;
}
responseHeaders.set("Content-Type", "text/html");
return new Response(body, {
headers: responseHeaders,
status: responseStatusCode,
});
}