sha-256-js

sha-256.js

// Web : ref https://jameshfisher.com/2017/10/30/web-cryptography-api-hello-world/
async function sha256(str) {
  const buf = await crypto.subtle.digest("SHA-256", new TextEncoder("utf-8").encode(str));
  return Array.prototype.map.call(new Uint8Array(buf), x=>(('00'+x.toString(16)).slice(-2))).join('');
}

// Node
async function sha256(str) {
  const crypto = require('crypto')
  const hash = crypto.createHash('sha256')
  hash.update(str)
  const hex = hash.digest('hex')
  return hex
}