initial commit for proxy-bun

index.ts

@@ -0,0 +1,27 @@
+import {
+  normalizeTargetUrl,
+  stripRelayHeaders,
+  buildRelayRequest,
+  createRelayResponse,
+} from "./relay-utils";
+
+export const config = { runtime: "edge" };
+
+export default async function handler(req: Request): Promise<Response> {
+  const target = req.headers.get("x-relay-target");
+  const relayPath = req.headers.get("x-relay-path") || "/";
+
+  const targetUrl = normalizeTargetUrl(target, relayPath);
+  if (!targetUrl) {
+    return new Response(JSON.stringify({ error: "Missing x-relay-target header" }), {
+      status: 400,
+      headers: { "content-type": "application/json" },
+    });
+  }
+
+  const headers = stripRelayHeaders(new Headers(req.headers));
+  const fetchOptions = buildRelayRequest(req, targetUrl, headers);
+
+  const response = await fetch(targetUrl, fetchOptions);
+  return createRelayResponse(response);
+}