[[TypeScript CLI] Making the CLI Interactive] #cli #oclif

interactive-create.ts

import {Command, flags} from '@oclif/command'
import {prompt} from 'inquirer'

export default class Create extends Command {
  static description = 'Create a new Pizza'

  static examples = [
    `$ pizza create
Your pizza is ready!
`,
  ]

  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) || null,
      default: null,
    },
  ]

  async getInteractiveArgs() {
    const answer = await prompt([
      {
        type: 'number',
        name: 'count',
        message: 'How many pizza you want to create',
        default: 1,
        validate(value) {
          if (isNaN(parseInt(value, 10))) {
            return 'Pizza count should be a number'
          }
          return true
        },
      },
      {
        type: 'list',
        name: 'crust',
        message: 'How do you want you pizza crust be?',
        default: 'Thin',
        choices: ['Thin', 'Thick'],
      },
      {
        type: 'checkbox',
        name: 'toppings',
        message: 'What do you want to add as toppings?',
        default: '',
        choices: ['Pepperoni', 'Mushroom', 'Bacon', 'Pineapple'],
        validate(value) {
          if (value.length === 0) {
            return 'You should add at least 1 topping'
          }
          return true
        },
      },
      {
        type: 'confirm',
        name: 'extraSauce',
        message: 'Do you want extra sauce?',
        default: false,
      },
    ])

    return answer
  }

  async run() {
    // const {args, flags} = this.parse(Create)
    const interactiveArgs = await this.getInteractiveArgs()
    this.log(JSON.stringify(interactiveArgs))
  }
}