/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * 
 * @format
 */
'use strict';
/**
 * Determine if a given value is an object that implements the `Environment`
 * interface defined in `RelayStoreTypes`.
 *
 * Use a sigil for detection to avoid a realm-specific instanceof check, and to
 * aid in module tree-shaking to avoid requiring all of RelayRuntime just to
 * detect its environment.
 */

function isRelayModernEnvironment(environment) {
  return Boolean(environment && environment['@@RelayModernEnvironment']);
}

module.exports = isRelayModernEnvironment;