cerebral-view-inquirer :)

cerebral-cli.js

import controller from './controller.js'
import {Computed} from 'cerebral'
import {set, copy} from 'cerebral/operators'
import inquirer from 'inquirer' 

controller.addSignals({
  pageChanged: [ copy('input:page', 'state:page') ],
  scaffoldSelected: [
    () => console.log('scaffold'),
    () => { /* services.scaffold(options) */ },
    () => process.exit()
  ],
  aborted: [ () => { process.exit() } ]
})

function connect (paths, promptFactory) {
  return function () {
    return promptFactory(Object.keys(paths || {}).reduce(function (props, key) {
      props[key] = paths[key].getDepsMap ? paths[key].get(controller.get()) : controller.get(paths[key])
      return props
    }, { signals: controller.getSignals() }))
  }
}

let getModules = Computed({
  modules: 'config.modules'
}, ({modules}) => {
  return Object.keys(modules).filter(module => modules[module])
})

let list = connect({
  view: 'config.view',
  model: 'config.model',
  modules: getModules(),
}, function (props) {
  return {
    questions: [{
      type: 'list',
      name: 'main',
      message: 'Project configuration: ',
      choices: [
        new inquirer.Separator(),
        { value: 'scaffold', name: 'Create project' },
        new inquirer.Separator(),
        { value: 'view', name: 'Change view: (' + props.view + ')' },
        { value: 'model', name: 'Change model: (' + props.model + ')' },
        { value: 'modules', name: 'Change modules: (' + props.modules.join(', ') + ')' }
      ]
    }],
    then: function (answers) {
      if (answers.main === 'scaffold') {
        props.signals.scaffoldSelected()
      } else {
        props.signals.pageChanged({ page: answers.main })
      }
    }
  }
})

let app = connect({
  page: 'page'
}, ({page}) => {
  if (page === 'start') return list()
  return {
    questions: [{
      type: 'confirm',
      name: 'wtf',
      message: 'Unknown question'
    }],
    then: function (answers) {
      props.signals.aborted()
    }
  }
})

function render (component) {
  let { questions, then } = component()
  inquirer.prompt(questions)
    .then(then)
    .then(() => new Promise((resolve) => controller.once('signalEnd', resolve)))
    .then(() => render(component))
}

render(app)