import Immutable from 'immutable'; export const STORE_HYDRATE = 'STORE_HYDRATE'; const convertState = rawState => Immutable.fromJS(rawState, (k, v) => Immutable.Iterable.isIndexed(v) ? v.toList() : v.toMap().mapKeys(x => Number.isNaN(x * 1) ? x : x * 1)); export function hydrateStore(rawState) { const state = convertState(rawState); return { type: STORE_HYDRATE, state }; };