/** * Copyright (c) 2014-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. * * @providesModule EventSubscription * @typechecks */ 'use strict'; /** * EventSubscription represents a subscription to a particular event. It can * remove its own subscription. */ var EventSubscription = /*#__PURE__*/function () { /** * @param {EventSubscriptionVendor} subscriber the subscriber that controls * this subscription. */ function EventSubscription(subscriber) { this.subscriber = subscriber; } /** * Removes this subscription from the subscriber that controls it. */ var _proto = EventSubscription.prototype; _proto.remove = function remove() { if (this.subscriber) { this.subscriber.removeSubscription(this); this.subscriber = null; } }; return EventSubscription; }(); module.exports = EventSubscription;