hash_frontend_js

hash.js

async function digestMessage(message) {
  const encoder = new TextEncoder();
  const data = encoder.encode(message);
  const hash = await crypto.subtle.digest('SHA-256', data);
  return hash;
}

function toHexString(byteArray) {
  return Array.from(byteArray, function(byte) {
    return ('0' + (byte & 0xFF).toString(16)).slice(-2);
  }).join('')
}

async function hashMessage(message) {
  const digestBuffer = await digestMessage(JSON.stringify(message));
  const uintarray = new Uint8Array(digestBuffer);
  
  return toHexString(uintarray);
}

const text = "Don't rush. We dey go up."
const hashed = hashMessage(text);

console.log(hashed);