Function createNgrokTunnel

packages/cli/src/commands/dev.ts:568–599

(hostname: string, port: number, spinner: Ora)

}

async function createNgrokTunnel(hostname: string, port: number, spinner: Ora) {
  try {
    return await ngrok.connect({ addr: `${hostname}:${port}` });
  } catch (error: any) {
    if (
      typeof error.message === "string" &&
      error.message.includes("`version` property is required")
    ) {
      await upgradeNgrokConfig(spinner);

      try {
        return await ngrok.connect(port);
      } catch (retryError) {
        spinner.fail(
          `Ngrok failed to create a tunnel for port ${port} after configuration upgrade.\n${retryError}`
        );
        return;
      }
    }
    if (
      typeof error.message === "string" &&
      error.message.includes("connect ECONNREFUSED 127.0.0.1:4041")
    ) {
      spinner.fail(
        `Ngrok failed to create a tunnel for port ${port} because ngrok is already running.\n  You may want to use -t flag to use an existing URL that points to the local dev server.`
      );
      return;
    }
    spinner.fail(`Ngrok failed to create a tunnel for port ${port}.\n${error.message}`);
    return;
  }
}

async function upgradeNgrokConfig(spinner: Ora) {
  try {