import { createReducer } from '@reduxjs/toolkit'; import { submitMarkersAction } from 'mastodon/actions/markers'; const initialState = { home: '0', notifications: '0', }; export const markersReducer = createReducer(initialState, (builder) => { builder.addCase( submitMarkersAction.fulfilled, (state, { payload: { home, notifications } }) => { if (home) state.home = home; if (notifications) state.notifications = notifications; }, ); });