48 lines
1.9 KiB
JavaScript
48 lines
1.9 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 EmitterSubscription
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* @typechecks
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*/
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'use strict';
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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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function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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var EventSubscription = require('./EventSubscription');
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/**
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* EmitterSubscription represents a subscription with listener and context data.
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*/
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var EmitterSubscription = (function (_EventSubscription) {
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_inherits(EmitterSubscription, _EventSubscription);
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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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* @param {function} listener - Function to invoke when the specified event is
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* emitted
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* @param {*} context - Optional context object to use when invoking the
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* listener
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*/
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function EmitterSubscription(subscriber, listener, context) {
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_classCallCheck(this, EmitterSubscription);
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_EventSubscription.call(this, subscriber);
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this.listener = listener;
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this.context = context;
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}
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return EmitterSubscription;
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})(EventSubscription);
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module.exports = EmitterSubscription;
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