skyrocket-cli/lib/ask.js

Command line interface for rapid Skyrocket projects development.

const async = require('async')
const inquirer = require('inquirer')

/**
 * Metalsmith plugin to inquirer prompt wrapper.
 *
 * @param {Object} prompt
 */

module.exports = function prompt (prompt) {
  return (files, metalsmith, done) => {
    askQuestions(prompt, metalsmith.metadata(), done)
  }
}

/**
 * Single inquirer prompt wrapper.
 *
 * @param {Object} prompt
 * @param {Object} data => metalsmith.metadata()
 * @param {Function} next
 */
function singleQuestion (prompt, key, data, next) {
  // simulate the when property
  if (typeof prompt.when === 'function') {
    if (!prompt.when(data)) {
      return next()
    }
  }

  inquirer.prompt([{
    type: prompt.type,
    name: key,
    message: prompt.message,
    default: prompt.default || '',
    choices: prompt.choices || [],
    validate: prompt.validate || (() => true)
  }]).then(answer => {
    if (key === 'cli_prefix' && answer[key]) {
      data[key] = answer[key] + '-'
    } else {
      data[key] = answer[key]
    }
    if (typeof prompt.action === 'function') prompt.action(answer)
    next()
  })
}

/**
 * Iterate mutiple prompts
 *
 * @param {Object} prompt
 * @param {Object} data => metalsmith.metadata()
 * @param {Function} done
 */
function askQuestions (prompts, data, done) {
  async.eachSeries(Object.keys(prompts), (key, next) => {
    singleQuestion(prompts[key], key, data, next)
  }, done)
}