|
| 1 | +/** |
| 2 | + * By default, Remix will handle generating the HTTP Response for you. |
| 3 | + * 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` ✨ |
| 4 | + * For more information, see https://remix.run/docs/en/main/file-conventions/entry.server |
| 5 | + */ |
| 6 | + |
| 7 | +import { PassThrough } from "node:stream"; |
| 8 | +import type { EntryContext } from "@remix-run/node"; |
| 9 | +import { Response } from "@remix-run/node"; |
| 10 | +import { RemixServer } from "@remix-run/react"; |
| 11 | +import isbot from "isbot"; |
| 12 | +import { renderToPipeableStream } from "react-dom/server"; |
| 13 | + |
| 14 | +const ABORT_DELAY = 5_000; |
| 15 | + |
| 16 | +export default function handleRequest( |
| 17 | + request: Request, |
| 18 | + responseStatusCode: number, |
| 19 | + responseHeaders: Headers, |
| 20 | + remixContext: EntryContext |
| 21 | +) { |
| 22 | + return isbot(request.headers.get("user-agent")) |
| 23 | + ? handleBotRequest( |
| 24 | + request, |
| 25 | + responseStatusCode, |
| 26 | + responseHeaders, |
| 27 | + remixContext |
| 28 | + ) |
| 29 | + : handleBrowserRequest( |
| 30 | + request, |
| 31 | + responseStatusCode, |
| 32 | + responseHeaders, |
| 33 | + remixContext |
| 34 | + ); |
| 35 | +} |
| 36 | + |
| 37 | +function handleBotRequest( |
| 38 | + request: Request, |
| 39 | + responseStatusCode: number, |
| 40 | + responseHeaders: Headers, |
| 41 | + remixContext: EntryContext |
| 42 | +) { |
| 43 | + return new Promise((resolve, reject) => { |
| 44 | + const { pipe, abort } = renderToPipeableStream( |
| 45 | + <RemixServer |
| 46 | + context={remixContext} |
| 47 | + url={request.url} |
| 48 | + abortDelay={ABORT_DELAY} |
| 49 | + />, |
| 50 | + { |
| 51 | + onAllReady() { |
| 52 | + const body = new PassThrough(); |
| 53 | + |
| 54 | + responseHeaders.set("Content-Type", "text/html"); |
| 55 | + |
| 56 | + resolve( |
| 57 | + new Response(body, { |
| 58 | + headers: responseHeaders, |
| 59 | + status: responseStatusCode, |
| 60 | + }) |
| 61 | + ); |
| 62 | + |
| 63 | + pipe(body); |
| 64 | + }, |
| 65 | + onShellError(error: unknown) { |
| 66 | + reject(error); |
| 67 | + }, |
| 68 | + onError(error: unknown) { |
| 69 | + responseStatusCode = 500; |
| 70 | + console.error(error); |
| 71 | + }, |
| 72 | + } |
| 73 | + ); |
| 74 | + |
| 75 | + setTimeout(abort, ABORT_DELAY); |
| 76 | + }); |
| 77 | +} |
| 78 | + |
| 79 | +function handleBrowserRequest( |
| 80 | + request: Request, |
| 81 | + responseStatusCode: number, |
| 82 | + responseHeaders: Headers, |
| 83 | + remixContext: EntryContext |
| 84 | +) { |
| 85 | + return new Promise((resolve, reject) => { |
| 86 | + const { pipe, abort } = renderToPipeableStream( |
| 87 | + <RemixServer |
| 88 | + context={remixContext} |
| 89 | + url={request.url} |
| 90 | + abortDelay={ABORT_DELAY} |
| 91 | + />, |
| 92 | + { |
| 93 | + onShellReady() { |
| 94 | + const body = new PassThrough(); |
| 95 | + |
| 96 | + responseHeaders.set("Content-Type", "text/html"); |
| 97 | + |
| 98 | + resolve( |
| 99 | + new Response(body, { |
| 100 | + headers: responseHeaders, |
| 101 | + status: responseStatusCode, |
| 102 | + }) |
| 103 | + ); |
| 104 | + |
| 105 | + pipe(body); |
| 106 | + }, |
| 107 | + onShellError(error: unknown) { |
| 108 | + reject(error); |
| 109 | + }, |
| 110 | + onError(error: unknown) { |
| 111 | + console.error(error); |
| 112 | + responseStatusCode = 500; |
| 113 | + }, |
| 114 | + } |
| 115 | + ); |
| 116 | + |
| 117 | + setTimeout(abort, ABORT_DELAY); |
| 118 | + }); |
| 119 | +} |
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