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RN: Switch EventEmitter to Array.from(...) #39525

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RN: Switch EventEmitter to Array.from(...) #39525

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4 changes: 3 additions & 1 deletion packages/react-native/Libraries/vendor/emitter/EventEmitter.js
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Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,9 @@ export default class EventEmitter<TEventToArgsMap: {...}>
const registrations: ?Set<Registration<TEventToArgsMap[TEvent]>> =
this.#registry[eventType];
if (registrations != null) {
for (const registration of [...registrations]) {
// Copy `registrations` to take a snapshot when we invoke `emit`, in case
// registrations are added or removed when listeners are invoked.
for (const registration of Array.from(registrations)) {
registration.listener.apply(registration.context, args);
}
}
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