Error when "compile" object without commands, if they are configured

[sergkoudi]

If config is:

const app = parameters(
{  options:
  { "config": {} },
  commands:
  { "start": {} } }
)

This programm:

app.compile( { config: "app.yaml" } )

Leads to the error:

TypeError: Cannot read property 'shift' of undefined at compile (../node-parameters/lib/plugins/args.js:290:93)

This works:

app.compile( {
    command: ["start"],
    config: "app.yaml"
  } )