Async Action Condition

itemsAsyncAction.js

import { createAsyncThunk } from '@reduxjs/toolkit';
import fetchMarketItems from '../API/fetchMarketItems';

export const fetchAllItems = createAsyncThunk(
  'items/fetchAllItems',
  fetchMarketItems,
  {
    condition: (arg, api) => {
      return !api.getState().items.length > 0;
    },
  },
);