export type SourceLayerRegistryHandler = () => void

export class SourceLayerRegistry {

	private unmountHandlers = new Map<string, SourceLayerRegistryHandler>();

	registerUnmountHandler(id: string, handler: SourceLayerRegistryHandler) {
		this.unmountHandlers.set(id, handler);
	}

	unregisterUnmountHandler(id: string) {
		this.unmountHandlers.delete(id);
	}

	unmount() {
		this.unmountHandlers.forEach((h) => h());
	}

}