Function isCommanderLikeError

cli/src/index.ts:85–92

(error: unknown)

  const message = error instanceof Error ? error.message : String(error);
  context.writeErr(`Error: ${message}\n`);
  return 1;
}

function isCommanderLikeError(error: unknown): error is { exitCode: number; code?: string; message: string } {
  if (!error || typeof error !== 'object') {
    return false;
  }

  const maybeError = error as Record<string, unknown>;
  return typeof maybeError.exitCode === 'number' && typeof maybeError.message === 'string';