password.js

const bcrypt = require('bcrypt')

exports.encrypt = plainTextPassword => new Promise((resolve, reject) => {
  bcrypt.hash(plainTextPassword, 10, (err, hash) => {
    if (err) return reject(err)
    return resolve(hash)
  })
})

exports.compare = (plainTextPassword, hash) => new Promise((resolve, reject) => {
  bcrypt.compare(plainTextPassword, hash, (err, res) => {
    if (err) return reject(err)
    return res
  })
})