@viewdo/dxp-story-cli/src/commands/app/services/prompt-service.js

README.md

const inquirer = require('inquirer')
/*
 https://github.com/SBoudrias/Inquirer.js
*/
const console = require('./console-service')

module.exports = class PromptService {

  constructor() {
    Object.assign(this, {
      prompter: inquirer.createPromptModule(),
      prefix: console.prefix
    })
  }

  validateEmail(email) {
    return /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/.test(email)
  }

  validateFolder(folder) {
    return /^\.[a-zA-Z0-9_ \/-]*$/.test(folder)
  }

  validateKey(key) {
    return /^[A-Za-z0-9-_]{1,50}$/.test(key)
  }

  validateCode(code) {
    return /^[0-9]{6}/.test(code)
  }

  askIf(question, default_value = false) {
    return this.prompter([{
      type : 'confirm',
      name : 'answer',
      message : question,
      default: default_value,
      prefix: this.prefix
    }])
    .then(({answer}) => answer)
  }

  askFor(message, default_value, validate = () => {}, type = 'input') {
    return this.prompter([{
      type,
      name : 'value',
      message,
      validate,
      default: default_value,
      prefix: this.prefix
    }])
    .then(({value}) => value)
  }

  askWhich(question, choices, preselect)  {
    return this.prompter({
      type : 'list',
      name : 'option',
      message : question,
      choices,
      default: preselect,
      prefix: this.prefix
    })
    .then(({option}) => option)
  }

  async selectFromKeys(model, configured_keys, action_name, allow_new, all) {

    if(configured_keys.length == 0)
      // no keys, ask for one
      return [await this.askFor(`${model} Key`, null, this.validateKey)]

    if(configured_keys.length > 1 && !all) {
      // multi key config
      let [all_text, new_text] = ['<all>','<new>']
      let choices = [all_text, ...configured_keys]

      if(allow_new)
        choices.push(new_text)

      let option = await this.askWhich(`${action_name} `, choices, all_text)
      // new key
      if(option === new_text)
        return [await this.askFor(`${model} Key`, null, this.validateKey)]
      // selected key
      else if(option !== all_text)
        return [option]
    }

    return configured_keys
  }


}