mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Helena Ford
4acef8e4a4
Summary:
There's an error in the `d.ts` file for EventEmitter which causes the following error:
```
This expression is not constructable.
Type 'typeof import(".../vendor/emitter/EventEmitter")' has no construct signatures.
const emitter = new EventEmitter();
~~~~~~~~~~~~
```
See https://github.com/facebook/react-native/blob/dce9d8d5de381fe53760ddda0d6cbbdfb5be00e4/Libraries/vendor/emitter/EventEmitter.js#L63
## Changelog
<!-- Help reviewers and the release process by writing your own changelog entry.
Pick one each for the category and type tags:
[GENERAL] [FIXED] -Fixes an issue with the EventEmitter type definition file
For more details, see:
https://reactnative.dev/contributing/changelogs-in-pull-requests
-->
Pull Request resolved: https://github.com/facebook/react-native/pull/36462
Reviewed By: cipolleschi
Differential Revision: D44130846
Pulled By: javache
fbshipit-source-id: 64cecdf55e58b99b243392811226e5095d5dc006
70 lines
2.0 KiB
TypeScript
70 lines
2.0 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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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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* @format
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*/
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import EventEmitter, {
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EmitterSubscription,
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} from '../vendor/emitter/EventEmitter';
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/**
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* The React Native implementation of the IOS RCTEventEmitter which is required when creating
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* a module that communicates with IOS
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*/
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type NativeModule = {
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/**
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* Add the provided eventType as an active listener
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* @param eventType name of the event for which we are registering listener
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*/
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addListener: (eventType: string) => void;
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/**
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* Remove a specified number of events. There are no eventTypes in this case, as
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* the native side doesn't remove the name, but only manages a counter of total
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* listeners
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* @param count number of listeners to remove (of any type)
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*/
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removeListeners: (count: number) => void;
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};
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/**
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* Abstract base class for implementing event-emitting modules. This implements
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* a subset of the standard EventEmitter node module API.
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*/
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declare class NativeEventEmitter extends EventEmitter {
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/**
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* @param nativeModule the NativeModule implementation. This is required on IOS and will throw
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* an invariant error if undefined.
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*/
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constructor(nativeModule?: NativeModule);
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/**
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* Add the specified listener, this call passes through to the NativeModule
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* addListener
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*
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* @param eventType name of the event for which we are registering listener
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* @param listener the listener function
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* @param context context of the listener
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*/
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addListener(
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eventType: string,
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listener: (event: any) => void,
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context?: Object,
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): EmitterSubscription;
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/**
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* @param eventType name of the event whose registered listeners to remove
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*/
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removeAllListeners(eventType: string): void;
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/**
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* Removes a subscription created by the addListener, the EventSubscription#remove()
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* function actually calls through to this.
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*/
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removeSubscription(subscription: EmitterSubscription): void;
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}
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