Default command would be helpful

[justinmchase]

I could see it being solved a couple of ways but below is one way to illustrate the suggestion. Basically add an options object to the .subcommand(name, command, opts) function which has { default: boolean }.

If more than one subcommand is set as default then an error is thrown.

When parsing the command if no subcommand is matched then the default command is selected and parsing continues with that command.

import {
  choice,
  Command,
  CommandGroup,
  integer,
} from "https://deno.land/x/clay/mod.ts";

const create = new Command("Create a new resource.");
const destroy = new Command("Destroy a given resource.")
  .required(integer, "id")
  .required(choice("CONFIRM", ["y", "yes", "ok"]), "confirm", {
    flags: ["confirm"],
    description: "Confirm this action.",
  });

const manage = new CommandGroup("Manage imaginary resources.")
  .subcommand("create", create, { default: true })
  .subcommand("destroy", destroy);

console.log(manage.run()); // { create?: {}, destroy?: { id: number, confirm: "y"|"yes"|"ok" } }

Example Usage

example               # { create: {} }
example create        # { create: {} }
example destroy 123 y # { destroy: { id: 123, confirm: y } }

[dyedgreen]

What do you mean with “default command”?

[justinmchase]

@dyedgreen Description updated. Sorry, got distracted when creating this.

[justinmchase]

Thoughts on this?

[dyedgreen]

Yep, I think having something like this is a good idea!

Would you be open to contributing this as a PR?

[justinmchase]

Ok, if you're not opposed to the feature I will try.

[denizdogan]

Did anything come out of this idea?

[justinmchase]

No sorry I didn't have time and forgot to followup.