flags-and-args.ts

  static flags = {
    help: flags.help({char: 'h'}),
    crust: flags.string({char: 'c', description: 'Type of Crust (Thin/Thick)'}),
    toppings: flags.string({char: 't', description: 'Toppings to add', options: ['pepperoni', 'mushroom', 'bacon', 'pineapple'], multiple: true}),
    extraSauce: flags.boolean({char: 'x', description: 'Do you want extra sauce?'}),
  }

  static args = [
    {
      name: 'count',
      required: false,
      description: 'How many pizza you want to create',
      parse: (input: string) => parseInt(input, 10) || 1,
      default: 1,
    },
  ]