The Dynamic Trio: React, Redux Toolkit, and Redux Saga ๐Ÿš€

anuj rajak
3 min readAug 9, 2024

React, Redux Toolkit, and Redux Saga form a powerful trio for building complex, state-managed web applications. ๐ŸŒŸ In this post, weโ€™ll explore how to integrate these technologies step-by-step, making your app efficient and maintainable.

Step 1: Setting Up Your React App ๐ŸŽจ

First, create a new React application using Create React App. Open your terminal and run:

npx create-react-app my-app
cd my-app

Step 2: Installing Redux Toolkit and Redux Saga ๐Ÿ—„๏ธ

Next, install Redux Toolkit and Redux Saga by running:

npm install @reduxjs/toolkit react-redux redux-saga

Step 3: Setting Up Redux Toolkit ๐Ÿ“ฆ

Create a new folder called store in the src directory, and inside it, create a file named store.js:

// src/store/store.js
import { configureStore } from "@reduxjs/toolkit";
import rootReducer from "./rootReducer"; // Import your root reducer
import createSagaMiddleware from "redux-saga";
import rootSaga from "./sagas"; // Import your root saga

const sagaMiddleware = createSagaMiddleware();

const store = configureStore({
reducer: rootReducer,
middleware: [sagaMiddleware],
});

sagaMiddleware.run(rootSaga);

export default store;

Step 4: Creating Your Reducers ๐ŸŒ€

Create a counterSlice.js file in the store folder to define your counter reducer:

// src/store/counterSlice.js
import { createSlice } from "@reduxjs/toolkit";
const counterSlice = createSlice({
name: "counter",
initialState: { value: 0 },
reducers: {
increment: (state) => {
state.value += 1;
},
decrement: (state) => {
state.value -= 1;
},
},
});
export const { increment, decrement } = counterSlice.actions;
export default counterSlice.reducer;

Step 5: Creating Your Root Reducer ๐ŸŒ€

In your rootReducer.js file, import the counter reducer:

// src/store/rootReducer.js
import { combineReducers } from "redux";
import counterReducer from "./counterSlice"; // Import your counter reducer

const rootReducer = combineReducers({
counter: counterReducer,
});

export default rootReducer;

Step 6: Creating a Simple Saga ๐Ÿ•ธ๏ธ

Next, create a sagas.js file in the store folder. Hereโ€™s a simple saga that logs a message when the counter is incremented:

// src/store/sagas.js
import { takeEvery, put } from "redux-saga/effects";
import { increment } from "./counterSlice";

function* logIncrement() {
console.log("Counter incremented!");
}

function* rootSaga() {
yield takeEvery(increment.type, logIncrement);
}

export default rootSaga;

Step 7: Connecting Redux to Your React App ๐Ÿ”—

Now, connect Redux to your React application. Open your index.js file and wrap your App component with the Provider from react-redux:

// src/index.js
import React from "react";
import ReactDOM from "react-dom";
import { Provider } from "react-redux";
import store from "./store/store"; // Import your store
import App from "./App";

ReactDOM.render(
<Provider store={store}>
<App />
</Provider>,
document.getElementById("root")
);

Step 8: Creating a Simple Component with Redux ๐Ÿ“ฒ

Now, letโ€™s create a simple component that uses Redux state. Create a file called Counter.js:

// src/Counter.js
import React from "react";
import { useSelector, useDispatch } from "react-redux";
import { increment, decrement } from "./store/counterSlice"; // Import actions

const Counter = () => {
const count = useSelector((state) => state.counter.value); // Access your state
const dispatch = useDispatch();

return (
<div>
<h1>Count: {count}</h1>
<button onClick={() => dispatch(increment())}>Increment</button>
<button onClick={() => dispatch(decrement())}>Decrement</button>
</div>
);
};

export default Counter;

Step 9: Adding Your Component to the App ๐ŸŒˆ

Finally, add your Counter component to the App.js file:

// src/App.js
import React from "react";
import Counter from "./Counter";

const App = () => {
return (
<div>
<h1>Welcome to My App!</h1>
<Counter />
</div>
);
};

export default App;

Putting It All Together ๐ŸŽ‰

By combining React, Redux Toolkit, and Redux Saga, you create a powerful application that handles complex state management seamlessly. ๐Ÿ’ช React provides the UI, Redux Toolkit manages the state, and Redux Saga takes care of side effects. ๐Ÿ•น๏ธ

This integration results in a smooth and efficient user experience, making your app reliable and easy to maintain. ๐ŸŽข
So, what are you waiting for? Start building your next amazing web app with React, Redux Toolkit, and Redux Saga today! ๐Ÿš€

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anuj rajak
anuj rajak

Written by anuj rajak

I'm a software engineer at Red Hat, specializing in the JavaScript. I collaborate with my team to create innovative solutions and exceptional user experiences.

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