1const kv = await Deno.openKv();
 2
 3export const saveStop = (stop: Stop) => kv.set([stop.stopRef], stop);
 4
 5export const saveStops = async (stops: Stop[]) => {
 6  for (const stop of stops) await saveStop(stop);
 7};
 8
 9export const getStopByRef = (stopRef: string) => kv.get<Stop>([stopRef]);
10
11export const saveUserFavorite = (userId: string, stop: Stop) =>
12  kv.set([userId, "favorites", stop.stopRef], stop);
13
14export const getUserFavorites = (userId: string) =>
15  kv.list<Stop>({ prefix: [userId] });
16
17export const getUserFavorite = (userId: string, stopRef: string) =>
18  kv.get<Stop>([userId, "favorites", stopRef]);