lib/checksum.js

import crypto from 'crypto';

/**
 * Create checksum hash of input.
 * @example
 *   '50de70409f11f87b430f248daaa94d67'
 * @param {string} input Input to hash.
 * @return {string}
 */
export default function createChecksum(input) {
  return crypto
    .createHash('md5')
    .update(input, 'utf8')
    .digest('hex');
}