Handling top level command

[KidkArolis]

Maybe I'm missing something, but how do I handle the top level command?

args
  .command('a', 'Import data', a)
  .command('b', 'Export data', b)

This will run a or b if I run ./cmd a or ./cmd b.

But if I run ./cmd, it's hanging (cause my script opens db connection), how do I a) print help or b) execute some code?

[KidkArolis]

OK, if I remove the db connection, it prints help, I'll shuffle my code around.

[KidkArolis]

No it doesn't actually.

If I just run bin/import without any other arguments, the program just exists. Didn't see any docs on how to either print help or execute some code in this case.

Had to resort with wrapping my command callbacks with a wrapper function that sets a boolean executedCommand = true which seems suboptimal.

[ntwcklng]

Hey @KidkArolis you can show the Help on your main command (with no arguments) with this function: .showHelp(). It is listed in the Docs:

Does this fix your problem?

[KidkArolis]

No. I will post a reproducible example shortly.

On Sat, 29 Jun 2019 at 12:21, Marvin Mieth [email protected] wrote:

Hey @KidkArolis https://github.com/KidkArolis you can show the Help on your main command (with no arguments) with this function: .showHelp(). It is listed in the Docs: [image: Bildschirmfoto 2019-06-29 um 12 20 01] https://user-images.githubusercontent.com/8714775/60382775-40720000-9a68-11e9-8403-f3c5e09a3350.png

Does this fix your problem?

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[KidkArolis]

Here's what I mean, taking the example from README (slightly modified):

#!/usr/bin/env node

const args = require('args')

args
  .option('port', 'The port on which the app will be running', 3000)
  .option('reload', 'Enable/disable livereloading')
  .command('serve', 'Serve your static site', serve, ['s'])

const flags = args.parse(process.argv)

function serve () {
  console.log('serving...')
}

This works fine:

$ ./hello serve
serving...
$ 

But how do I make sure that the following executions print help:

$ ./hello badcommand
$

$ ./hello
$

I'm thinking.. perhaps loop over args.details.commands to match sub against each command..