cloudflare/vinext
Publicmirrored from https://github.com/cloudflare/vinextAvailable
examples/hackernews/worker/index.ts
42lines · modecode
| 1 | /** |
| 2 | * Cloudflare Worker entry point for the Hacker News example. |
| 3 | * |
| 4 | * Based on vercel/next-react-server-components — a Hacker News clone |
| 5 | * using React Server Components, now running on vinext + Cloudflare Workers. |
| 6 | */ |
| 7 | |
| 8 | export default { |
| 9 | async fetch(request: Request): Promise<Response> { |
| 10 | try { |
| 11 | const url = new URL(request.url); |
| 12 | const { pathname } = url; |
| 13 | |
| 14 | // Block protocol-relative URL open redirect attacks. |
| 15 | if (pathname.startsWith("//")) { |
| 16 | return new Response("404 Not Found", { status: 404 }); |
| 17 | } |
| 18 | |
| 19 | // Load the RSC handler from the RSC environment. |
| 20 | // @ts-expect-error — import.meta.viteRsc is injected by @vitejs/plugin-rsc |
| 21 | const rscModule = await import.meta.viteRsc.loadModule("rsc", "index"); |
| 22 | |
| 23 | const result = await rscModule.default(request); |
| 24 | |
| 25 | if (result instanceof Response) { |
| 26 | return result; |
| 27 | } |
| 28 | |
| 29 | if (result === null || result === undefined) { |
| 30 | return new Response("Not Found", { status: 404 }); |
| 31 | } |
| 32 | |
| 33 | return new Response(String(result), { status: 200 }); |
| 34 | } catch (error) { |
| 35 | console.error("[vinext] Worker error:", error); |
| 36 | return new Response( |
| 37 | `Internal Server Error: ${error instanceof Error ? error.message : String(error)}`, |
| 38 | { status: 500 }, |
| 39 | ); |
| 40 | } |
| 41 | }, |
| 42 | }; |
| 43 | |