import { createStore } from 'redux' // Reducer function counter (state = { value: 0 }, action) { switch (action.type) { case 'INCREMENT': return { value: state.value + 1 } case 'DECREMENT': return { value: state.value - 1 } default: return state } } let store = createStore(counter) // Optional - you can pass `initialState` as a second arg let store = createStore(counter, { value: 0 }) A store is m
