Eve-Project/app-node/node_modules/parse/lib/node/InstallationController.js

"use strict";

var _Storage = _interopRequireDefault(require("./Storage"));
function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : {
    default: obj
  };
}
/**
 * @flow
 */

const uuidv4 = require('./uuid');
let iidCache = null;
const InstallationController = {
  currentInstallationId() /*: Promise<string>*/{
    if (typeof iidCache === 'string') {
      return Promise.resolve(iidCache);
    }
    const path = _Storage.default.generatePath('installationId');
    return _Storage.default.getItemAsync(path).then(iid => {
      if (!iid) {
        iid = uuidv4();
        return _Storage.default.setItemAsync(path, iid).then(() => {
          iidCache = iid;
          return iid;
        });
      }
      iidCache = iid;
      return iid;
    });
  },
  _clearCache() {
    iidCache = null;
  },
  _setInstallationIdCache(iid /*: string*/) {
    iidCache = iid;
  }
};
module.exports = InstallationController;