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GitOrigin-RevId: 1846ad511f915ff48f2f20a8b8a7f1174bb21525
31 lines
1,023 B
TypeScript
31 lines
1,023 B
TypeScript
import {
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ScopeEventEmitter,
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ScopeEventName,
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} from '../../../../../types/ide/scope-event-emitter'
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export class ReactScopeEventEmitter implements ScopeEventEmitter {
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// eslint-disable-next-line no-useless-constructor
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constructor(private readonly eventEmitter: EventTarget) {}
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emit(eventName: ScopeEventName, broadcast: boolean, ...detail: unknown[]) {
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this.eventEmitter.dispatchEvent(new CustomEvent(eventName, { detail }))
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}
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on(eventName: ScopeEventName, listener: (...args: unknown[]) => void) {
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// A listener attached via useScopeEventListener expects an event as the
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// first parameter. We don't have one, so just provide an empty object
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const wrappedListener = (event: CustomEvent<unknown[]>) => {
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listener({}, ...event.detail)
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}
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this.eventEmitter.addEventListener(
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eventName,
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wrappedListener as EventListener
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)
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return () => {
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this.eventEmitter.removeEventListener(
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eventName,
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wrappedListener as EventListener
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)
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}
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}
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}
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