include string commands (subcommands?) as one command

Say we have this:

  vorpal.command('find [sumanOptions] [folder]')
  .description('find test files to run')
  .action(function (args: Array<string>, cb: Function) {
     // args => {sumanOptions: 'a b c'}
  });

how can I pass a string of commands ('subcommands') for sumanOptions? something like this:

vorpal> find "a b --fiz-biz=3 --foo=bar" myfolder

such that in the args in the action callback, looks like:

 // args => {sumanOptions: 'a b --fiz-biz=3 --foo=bar'}

I am looking to get the exact string contents there.

is this possible? or is this problem the "subcommands" issue I have been seeing in the issue tracker? I'd like to be able to do this, and so far, have not been able to figure out how to do it.

dthree / vorpal

include string commands (subcommands?) as one command #289