Function toWebRequest

packages/hosts/mcp/src/envelope.ts:155–163

(req: HttpServerRequest.HttpServerRequest)

 * recoverable error.
 */
const toWebRequest = (req: HttpServerRequest.HttpServerRequest): Effect.Effect<Request> =>
  Effect.gen(function* () {
    if (req.source instanceof Request) return req.source;
    const headers = new Headers(req.headers as Record<string, string>);
    const hasBody = req.method !== "GET" && req.method !== "HEAD";
    // oxlint-disable-next-line executor/no-effect-escape-hatch -- boundary: rebuilding a web Request from a non-web source; a failed body read is an unrecoverable infra defect, not a domain error
    const body = hasBody ? yield* req.text.pipe(Effect.orDie) : undefined;
    return new Request(req.url, { method: req.method, headers, body });
  });

/** Serve a provider discovery document, wrapping its web `Response`. */
const discoveryRoute = (handler: (request: Request) => Effect.Effect<Response>) =>