message: fix: useMap set ts error
diff: @@ -30,7 +30,7 @@ function useMap<K, T>(initialValue?: Iterable<readonly [K, T]>) {
  const reset = () => setMap(initValue);
  - const get = (key: string) => map.get(key);
  + const get = (key: K) => map.get(key);
  return [
  map,
  