| 1 | type AssetBinding = { |
| 2 | fetch(input: Request | string, init?: RequestInit): Promise<Response>; |
| 3 | }; |
| 4 | |
| 5 | type FallbackFetch = ( |
| 6 | request: Request, |
| 7 | env: Record<string, unknown>, |
| 8 | ctx: unknown, |
| 9 | ) => Response | Promise<Response>; |
| 10 | |
| 11 | const INSTALL_SCRIPT_PATH = "/install.sh"; |
| 12 | |
| 13 | export async function fetchWithStaticInstaller( |
| 14 | request: Request, |
| 15 | env: Record<string, unknown>, |
| 16 | ctx: unknown, |
| 17 | fallbackFetch: FallbackFetch, |
| 18 | ): Promise<Response> { |
| 19 | const url = new URL(request.url); |
| 20 | const assets = (env as { ASSETS?: AssetBinding }).ASSETS; |
| 21 | |
| 22 | if (url.pathname === INSTALL_SCRIPT_PATH && assets) { |
| 23 | const assetResponse = await assets.fetch(request); |
| 24 | if (assetResponse.status !== 404) { |
| 25 | const headers = new Headers(assetResponse.headers); |
| 26 | headers.set("content-type", "text/x-shellscript; charset=utf-8"); |
| 27 | headers.set("cache-control", "public, max-age=300"); |
| 28 | return new Response(assetResponse.body, { |
| 29 | status: assetResponse.status, |
| 30 | statusText: assetResponse.statusText, |
| 31 | headers, |
| 32 | }); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | return fallbackFetch(request, env, ctx); |
| 37 | } |
| 38 |