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@webcontainer/api

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export class TypedEventTarget { _bus = new EventTarget(); listen(listener) { function wrappedListener(event) { listener(event.data); } this._bus.addEventListener('message', wrappedListener); return () => this._bus.removeEventListener('message', wrappedListener); } fireEvent(data) { this._bus.dispatchEvent(new MessageEvent('message', { data })); } }