Function buildDaemonSpawnSpec

apps/cli/src/daemon.ts:104–137

(input: {
  readonly port: number;
  readonly hostname: string;
  readonly isDevMode: boolean;
  readonly scriptPath: string | undefined;
  readonly executablePath: string;
  readonly allowedHosts?: ReadonlyArray<string>;
})

// ---------------------------------------------------------------------------

export const buildDaemonSpawnSpec = (input: {
  readonly port: number;
  readonly hostname: string;
  readonly isDevMode: boolean;
  readonly scriptPath: string | undefined;
  readonly executablePath: string;
  readonly allowedHosts?: ReadonlyArray<string>;
}): DaemonSpawnSpec => {
  const daemonArgs = [
    "daemon",
    "run",
    "--port",
    String(input.port),
    "--hostname",
    input.hostname,
    "--foreground",
    ...(input.allowedHosts ?? []).flatMap((h) => ["--allowed-host", h]),
  ];

  if (input.isDevMode) {
    if (!input.scriptPath) {
      throw new Error("Cannot auto-start daemon in dev mode without a CLI script path");
    }
    return {
      command: "bun",
      args: ["run", input.scriptPath, ...daemonArgs],
    };
  }

  return {
    command: input.executablePath,
    args: daemonArgs,
  };
};

// ---------------------------------------------------------------------------
// Spawn + wait