const yargs = require('yargs').locale('en')

let output

const options = {
    exec: { alias: 'e', desc: 'Dis supposed to be exec', type: 'string', requiresArg: true },
    h: { alias: 'help', desc: 'Dis supposed to be help' },
    v: { alias: 'version', desc: 'Dis supposed to be version' }
}

yargs.options(options)

yargs.parse(['--help'], (_err, _argv, _output) => { output = _output })

console.log(output)

Options:
  -e, --exec      Dis supposed to be exec                                [string]
  -h, --help      Dis supposed to be help                                [boolean]
  -v, --version  Dis supposed to be version                              [boolean]

Options:
  -e, --exec     Dis supposed to be exec                                [string]
  -h, --help     Show help                                             [boolean]
  -v, --version  Show version number                                   [boolean]