49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
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/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule EventSubscription
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* @typechecks
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*/
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'use strict';
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/**
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* EventSubscription represents a subscription to a particular event. It can
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* remove its own subscription.
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*/
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var EventSubscription = (function () {
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/**
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* @param {EventSubscriptionVendor} subscriber the subscriber that controls
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* this subscription.
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*/
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function EventSubscription(subscriber) {
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_classCallCheck(this, EventSubscription);
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this.subscriber = subscriber;
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}
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/**
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* Removes this subscription from the subscriber that controls it.
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*/
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EventSubscription.prototype.remove = function remove() {
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if (this.subscriber) {
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this.subscriber.removeSubscription(this);
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this.subscriber = null;
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}
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};
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return EventSubscription;
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})();
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module.exports = EventSubscription;
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