Function cacheKey

src/cache.js:129–133

(body, callerKey = '')

 * that serialize to identical strings.
 */
export function cacheKey(body, callerKey = '') {
  const scope = String(callerKey || '');
  const json = JSON.stringify(normalize(body));
  return createHash('sha256').update(scope).update('\0').update(json).digest('hex');
}

export function cacheGet(key) {
  if (!isCacheEnabled()) return null;