How to setup Redux tool kit for RTK query

Redux toolkit query or RTK query for short is the greatest human invention since the wheel. It simplifies performing asynchronous tasks such as fetching data from an API. In this article, I will show you how to set up your project to use RTK query.

1. Run create-react-app
   npx create-react-app .

2. Install the following dependecies.

npm install react-redux @reduxjs/toolkit 

Attention
please note, all files for a single feature should be in the same folder, meaning everything concerning posts should be in a folder called posts

setup a store

// src/app/store.js

import { configureStore } from "@reduxjs/toolkit"
import { apiSlice } from "./api/apiSlice";


export const store = configureStore({
  reducer: {
   // reducer for slice goes here
  },
})

export default store

Provide the store to the App

wrap the entire app with the store.

// index.js
import App from './App';
import { store } from './app/store'
import { Provider } from 'react-redux'

const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(
  <React.StrictMode>
    <Provider store={store}>
      <App />
    </Provider>
  </React.StrictMode>
);

create an API slice

// src/app/api/apiSlice.js

import { createApi, fetchBaseQuery } from "@reduxjs/toolkit/query/react";

const baseQuery = fetchBaseQuery({
    baseUrl: "https://ifeanyi-stock-backend.herokuapp.com/"
})

export const apiSlice = createApi({
    baseQuery: baseQuery,
    endpoints: builder => ({})
})

Add the API Slice reducer to the store.

apiSlice.reducerPath helps us to dynamically assign a name to the API slice reducer.

import { configureStore } from "@reduxjs/toolkit"
import { apiSlice } from "./api/apiSlice";


export const store = configureStore({
    reducer: {
        [apiSlice.reducerPath]: apiSlice.reducer
    },
    middleware: getDefaultMiddleware => getDefaultMiddleware().concat(apiSlice.middleware),
    devTools: true
})

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