138 lines
3.3 KiB
TypeScript
138 lines
3.3 KiB
TypeScript
/**
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* By default, Remix will handle generating the HTTP Response for you.
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* You are free to delete this file if you'd like to, but if you ever want it revealed again, you can run `npx remix reveal` ✨
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* For more information, see https://remix.run/file-conventions/entry.server
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*/
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import { PassThrough } from 'node:stream'
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import type { EntryContext } from '@remix-run/node'
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import { createReadableStreamFromReadable } from '@remix-run/node'
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import { RemixServer } from '@remix-run/react'
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import { isbot } from 'isbot'
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import { renderToPipeableStream } from 'react-dom/server'
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// eslint-disable-next-line @typescript-eslint/naming-convention
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const ABORT_DELAY = 5000
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export default async function handleRequest(
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request: Request,
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responseStatusCode: number,
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responseHeaders: Headers,
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remixContext: EntryContext
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) {
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return isbot(request.headers.get('user-agent') ?? '')
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? handleBotRequest(
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request,
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responseStatusCode,
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responseHeaders,
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remixContext
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)
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: handleBrowserRequest(
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request,
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responseStatusCode,
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responseHeaders,
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remixContext
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)
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}
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async function handleBotRequest(
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request: Request,
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responseStatusCode: number,
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responseHeaders: Headers,
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remixContext: EntryContext
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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 { pipe, abort } = renderToPipeableStream(
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<RemixServer
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context={remixContext}
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url={request.url}
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abortDelay={ABORT_DELAY}
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/>,
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{
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onAllReady() {
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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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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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setTimeout(abort, ABORT_DELAY)
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})
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}
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async function handleBrowserRequest(
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request: Request,
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responseStatusCode: number,
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responseHeaders: Headers,
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remixContext: EntryContext
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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 { pipe, abort } = renderToPipeableStream(
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<RemixServer
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context={remixContext}
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url={request.url}
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abortDelay={ABORT_DELAY}
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/>,
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{
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onShellReady() {
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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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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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setTimeout(abort, ABORT_DELAY)
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})
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}
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