mirror of
https://github.com/status-im/react-native.git
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1490ab12ef
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.
find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.
Reviewed By: TheSavior, yungsters
Differential Revision: D7007050
fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @providesModule EmitterSubscription
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* @flow
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*/
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'use strict';
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const EventSubscription = require('EventSubscription');
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import type EventEmitter from 'EventEmitter';
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import type EventSubscriptionVendor from 'EventSubscriptionVendor';
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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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class EmitterSubscription extends EventSubscription {
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emitter: EventEmitter;
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listener: Function;
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context: ?Object;
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/**
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* @param {EventEmitter} emitter - The event emitter that registered this
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* subscription
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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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constructor(
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emitter: EventEmitter,
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subscriber: EventSubscriptionVendor,
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listener: Function,
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context: ?Object
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) {
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super(subscriber);
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this.emitter = emitter;
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this.listener = listener;
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this.context = context;
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}
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/**
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* Removes this subscription from the emitter that registered it.
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* Note: we're overriding the `remove()` method of EventSubscription here
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* but deliberately not calling `super.remove()` as the responsibility
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* for removing the subscription lies with the EventEmitter.
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*/
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remove() {
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this.emitter.removeSubscription(this);
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}
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}
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module.exports = EmitterSubscription;
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