Print CSP Hash

hash-code.js

function _arrayBufferToBase64(buffer) {
  let binary = '';
  const bytes = new Uint8Array(buffer);
  for (var i = 0; i < bytes.byteLength; i++) {
    binary += String.fromCharCode(bytes[i]);
  }
  return window.btoa(binary);
}
function getCspDigest(code) {
  crypto.subtle.digest('SHA-256', new TextEncoder().encode(code)).then(function(val){
    const digest = ["sha256", _arrayBufferToBase64(val)].join('-');
    console.log(`The digest for your script is: "'${digest}'"`);
  });
}
getCspDigest(r);