Build Slices And Selectors

Setup

// file: src/app/createAppSlice.ts
import { asyncThunkCreator, buildCreateSlice } from '@reduxjs/toolkit'

export const createAppSlice = buildCreateSlice({
  creators: { asyncThunk: asyncThunkCreator },
})

// file: src/features/posts/postsSlice.ts
import { createSelector } from '@reduxjs/toolkit'
import { createAppSlice } from '../../app/createAppSlice'