Flags Name After Google Translate

flag.js

var flags = [
  {
    "code": "Afghanistan",
    "name": "Afghanistan",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/af.svg"
  },
  {
    "code": "Aland Islands",
    "name": "Aland Islands",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/ax.svg"
  },
  {
    "code": "Albania",
    "name": "Albania",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/al.svg"
  },
  {
    "code": "Algeria",
    "name": "Algeria",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/dz.svg"
  },
  {
    "code": "American Samoa",
    "name": "American Samoa",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/as.svg"
  },
  {
    "code": "Andorra",
    "name": "Andorra",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/ad.svg"
  },
  {
    "code": "Angola",
    "name": "Angola",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/ao.svg"
  },
  {
    "code": "Anguilla",
    "name": "Anguilla",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/ai.svg"
  },
  {
    "code": "Antigua and Barbuda",
    "name": "Antigua and Barbuda",
    "img": "https://lipis.github.io/flag-icon-css/flags/4x3/ag.svg"
  }
]

const translate = require('@k3rn31p4nic/google-translate-api')
const fs = require('fs')
// const UPDATE_TIMER = 200;

function test () {
  for (let i = 0; i < flags.length; i++) {
    translate(flags[i]['name'], {
      from: 'en',
      to: 'zh-TW'
    }).then(res => {
      flags[i]['name'] = res.text.length === 0 ? flags[i]['name'] : res.text

      // setInterval(function () {
        fs.readFile('./result.json', 'utf-8', function (err, data) {
          if (err) throw err
    
          var arrayOfObjects = JSON.parse(data)
          arrayOfObjects.results.push(flags[i])
    
          fs.writeFile('./result.json', JSON.stringify(arrayOfObjects), 'utf-8', function (err) {
            if (err) throw err
            console.log('Done!')
          })
        })
      // }, UPDATE_TIMER)
    }).catch(err => {
      console.error(err)
    })
  }
}

test()