let supported;
let perf;
function isPerformanceSupported() {
  var _a;
  if (supported !== void 0) {
    return supported;
  }
  if (typeof window !== "undefined" && window.performance) {
    supported = true;
    perf = window.performance;
  } else if (typeof globalThis !== "undefined" && ((_a = globalThis.perf_hooks) === null || _a === void 0 ? void 0 : _a.performance)) {
    supported = true;
    perf = globalThis.perf_hooks.performance;
  } else {
    supported = false;
  }
  return supported;
}
function now() {
  return isPerformanceSupported() ? perf.now() : Date.now();
}
export {
  isPerformanceSupported,
  now
};
