Function prepareWebCryptoResult

lib/internal/crypto/util.js:735–744

(value)

// Returning an own undefined data property keeps that lookup from reaching
// user-mutated prototypes.
function prepareWebCryptoResult(value) {
  if ((value === null || typeof value !== 'object') &&
      typeof value !== 'function') {
    return false;
  }
  if (isPromise(value) || ObjectPrototypeHasOwnProperty(value, 'then'))
    return false;
  setOwnProperty(value, 'then', undefined);
  return true;
}

// Remove the temporary then property installed by prepareWebCryptoResult().
function cleanupWebCryptoResult(value) {