Function rawRequest

packages/cli/src/commands/ui-proxy.test.ts:12–45

Send a request with arbitrary Host / Origin headers. We can't use `fetch` * because some runtimes silently rewrite Host.

(opts: {
  port: number;
  path: string;
  method?: string;
  host?: string;
  origin?: string;
})

/** Send a request with arbitrary Host / Origin headers. We can't use `fetch`
 * because some runtimes silently rewrite Host. */
async function rawRequest(opts: {
  port: number;
  path: string;
  method?: string;
  host?: string;
  origin?: string;
}): Promise<{ status: number; body: string }> {
  return new Promise((done, fail) => {
    const req = httpRequest(
      {
        host: '127.0.0.1',
        port: opts.port,
        path: opts.path,
        method: opts.method ?? 'GET',
        headers: {
          host: opts.host ?? `127.0.0.1:${opts.port}`,
          ...(opts.origin !== undefined ? { origin: opts.origin } : {}),
        },
      },
      (res: IncomingMessage) => {
        const chunks: Buffer[] = [];
        res.on('data', (c) => chunks.push(c as Buffer));
        res.on('end', () => {
          done({
            status: res.statusCode ?? 0,
            body: Buffer.concat(chunks).toString('utf-8'),
          });
        });
      },
    );
    req.on('error', fail);
    req.end();
  });
}

type UpstreamHandle = { httpServer: HttpServer; port: number; close: () => Promise<void> };