Quick encryption module for node. Shoutout @feross

hash.js

/*!
    MIT License.
    Algorithms compiled by Nicholas Berlette <https://berlette.com>,
    originally by Feross Aboukhadijeh <https://feross.org/opensource>
*/
const crypto = require('crypto')
const allowedMethods = ['sha1', 'sha256', 'md5']

async function hash (method = 'sha256', buf, cb = null) {
  if (typeof method === 'string' && allowedMethods.includes(method)) {
    const hash = hashSync(method, buf)
    process.nextTick(function () {
      return cb(hash)
    })
  }
}

function hashSync (method = 'sha256', buf) {
  return crypto.createHash(method)
    .update(buf)
    .digest('hex')
}

module.exports = hash
module.exports.sync = hashSync