next.js/examples/with-redux-reselect-recompose/selectors/index.js

import { createSelector } from 'reselect'

export const selectState = () => state => state.count

export const selectCount = () =>
  createSelector(
    selectState(),
    count => count.count
  )

export const selectLight = () =>
  createSelector(
    selectState(),
    count => count.light
  )

export const selectLastUpdate = () =>
  createSelector(
    selectState(),
    count => count.lastUpdate
  )