(function (I) {
  function supported() {
    return navigator.storage && typeof navigator.storage.persist === 'function';
  }

  I.isPersisted = async function () {
    if (!supported()) return false;
    return navigator.storage.persisted();
  };

  I.requestPersistence = async function () {
    if (!supported()) return false;
    if (await navigator.storage.persisted()) return true;
    try {
      return await navigator.storage.persist();
    } catch {
      return false;
    }
  };
})(window.App.Infrastructure);