v3.accords-library.com/middleware/server.ts

32 lines
1.0 KiB
TypeScript

Bun.serve({
port: 12498,
fetch: async (req) => {
const reqUrl = new URL(req.url);
const rewriteUrl = new URL(reqUrl);
rewriteUrl.hostname = "localhost";
rewriteUrl.port = "12499";
rewriteUrl.protocol = "http";
const rewrite = new Request(rewriteUrl, req);
const response = await fetch(rewrite, { redirect: "manual" });
console.log(`[${response.status}] ${rewriteUrl.pathname}`);
if (response.status === 404 && response.headers.has("Location")) {
// Prevent redirection from a non locale-specific page to the en locale-specific page
if (response.headers.get("location") === "/en" + rewriteUrl.pathname) {
rewriteUrl.pathname = "/en/" + rewriteUrl.pathname;
const rewrite = new Request(rewriteUrl, req);
return await fetch(rewrite, { redirect: "manual" });
}
return new Response(await response.blob(), {
headers: response.headers,
status: 302,
statusText: "Found",
});
}
return response;
},
});