Web Crypto Hashing

hash.js

/**
 * sha256
 * @param {string} [input='']
 * @param {string} [algorithm='SHA-256']
 * @returns {Promise<string>}
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest}
 * @author SourceBoy
 * @license MIT
 */
async function sha256(input = '', algorithm = 'SHA-256') {
  const encoder = new TextEncoder();
  const encoded = encoder.encode(input);
  const digest = await crypto.subtle.digest(algorithm, encoded);
  const uints = new Uint8Array(digest);
  const parts = Array.from(uints).map(b => b.toString(16));
  return parts.join('');
}