latex-ub/services/web/frontend/js/features/ide-react/scope-event-emitter/react-scope-event-emitter.ts
2025-05-05 12:24:05 +00:00

37 lines
1 KiB
TypeScript

import {
ScopeEventEmitter,
ScopeEventName,
} from '../../../../../types/ide/scope-event-emitter'
import { IdeEvents } from '@/features/ide-react/create-ide-event-emitter'
export class ReactScopeEventEmitter implements ScopeEventEmitter {
// eslint-disable-next-line no-useless-constructor
constructor(private readonly eventEmitter: EventTarget) {}
emit<T extends ScopeEventName>(
eventName: T,
broadcast: boolean,
...detail: IdeEvents[T]
) {
this.eventEmitter.dispatchEvent(new CustomEvent(eventName, { detail }))
}
on<T extends ScopeEventName>(
eventName: T,
listener: (event: Event, ...args: IdeEvents[T]) => void
) {
const wrappedListener = (event: CustomEvent<IdeEvents[T]>) => {
listener(event, ...event.detail)
}
this.eventEmitter.addEventListener(
eventName,
wrappedListener as EventListener
)
return () => {
this.eventEmitter.removeEventListener(
eventName,
wrappedListener as EventListener
)
}
}
}