72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
import { PassThrough } from 'node:stream';
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import { createReadableStreamFromReadable } from '@react-router/node';
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import { isbot } from 'isbot';
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import type { RenderToPipeableStreamOptions } from 'react-dom/server';
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import { renderToPipeableStream } from 'react-dom/server';
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import type { AppLoadContext, EntryContext } from 'react-router';
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import { ServerRouter } from 'react-router';
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import { hp_loadConfig } from '~/utils/context/loader';
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hp_loadConfig();
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export const streamTimeout = 5_000;
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export default function handleRequest(
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request: Request,
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responseStatusCode: number,
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responseHeaders: Headers,
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routerContext: EntryContext,
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loadContext: AppLoadContext,
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) {
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return new Promise((resolve, reject) => {
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let shellRendered = false;
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const userAgent = request.headers.get('user-agent');
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// Ensure requests from bots and SPA Mode renders wait for all content to load before responding
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// https://react.dev/reference/react-dom/server/renderToPipeableStream#waiting-for-all-content-to-load-for-crawlers-and-static-generation
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const readyOption: keyof RenderToPipeableStreamOptions =
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(userAgent && isbot(userAgent)) || routerContext.isSpaMode
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? 'onAllReady'
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: 'onShellReady';
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const { pipe, abort } = renderToPipeableStream(
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<ServerRouter context={routerContext} url={request.url} />,
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{
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[readyOption]() {
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shellRendered = true;
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const body = new PassThrough();
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const stream = createReadableStreamFromReadable(body);
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responseHeaders.set('Content-Type', 'text/html');
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resolve(
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new Response(stream, {
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headers: responseHeaders,
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status: responseStatusCode,
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}),
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);
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pipe(body);
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},
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onShellError(error: unknown) {
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reject(error);
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},
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onError(error: unknown) {
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// biome-ignore lint/style/noParameterAssign: Lazy
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responseStatusCode = 500;
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// Log streaming rendering errors from inside the shell. Don't log
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// errors encountered during initial shell rendering since they'll
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// reject and get logged in handleDocumentRequest.
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if (shellRendered) {
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console.error(error);
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}
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},
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},
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);
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// Abort the rendering stream after the `streamTimeout` so it has tine to
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// flush down the rejected boundaries
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setTimeout(abort, streamTimeout + 1000);
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});
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}
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