In this blog, we will show how to add a push notification functionality in react js using Firebase. Nowadays, most web applications have notification functionality to get continuous updates and user interaction.
A push/alert message will help the user to get the new updates on the app.
Firebase provides cloud messaging functionality, which helps get alert messages on the client-side.
Here are some basic steps required to implement the push notifications in ReactJS with Firebase.
If you don’t know about react first, go through the react tutorials, or you can check the best react courses.
Or
Create an app by using the create-react-app following command
npm create-react-app push-notification-demo
cd push-notification-demo
Then run the command npm start to run the app.
Now moving to the Firebase initialization in react app.
We require the Firebase library to initialize the Firebase in the created app.
Run the following command
npm install Firebase –save
Initialize Firebase in project
To initialize the Firebase lets create a file Firebase.js inside a src folder
App.js file
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import DeepLink from './deepLink'
ReactDOM.render(, document.getElementById('root'))
After creating a Firebase.js in the app, we have to create a project inside a Firebase console
Create a project in Firebase console
To create a project in Firebase
Create a project with name – first-cloud-messaging
Now you have a Firebase project with name first-cloud-messaging
Now go to the project overview, You will get the following page:
We have a platform option in the above image click on the JavaScript platform for web Now we will get the following page.
Register the app by adding an app nickname.
After registering the app, you will get the following page.
Copy the FirebaseConfig object and add inside the Firebase.js file
Then Firebase.js file should be
Create a Firebase-message-sw.js file
Create a Firebase-message-sw.js file inside a public folder inside an app and add the following code
Add messagingSenderId which is provided by Firebase. Imports all the scripts that are needed to show the notifications when your app is running in the background.
User permission to get notifications
It is a best practice to take permission from the user before the push notification starts.
By using the react lifecycle hook componentDidMount, which is helpful to execute the function after rendering the render function in the class-based component.
Related read: Firebase Push Notifications in React: A Complete Guide
In the above image, we have imported the Firebase.js file to initialize the Firebase in the app. After requesting permission, we will get a token that is printed in the console.
To get the token run the react server by command npm start
In the above image, we are getting a token. With the help of the token, we can have permission to get the notification from the Firebase.
Testing the Firebase cloud-messaging
For testing the push notification we have to go to the Firebase console.
In the Firebase console go to -> project overview page
After adding form => click on => Send test message button
Click on the Cloud Messaging -> click to => Send your first message button
You will get pop which needed the FCM registration token which we got in the client app browser console
After adding the token click on the test button to test the notification to test the react firebase push notification
Copy the token and then add into an FCM registration token
You will get the push notification on the client app
The above image showing the notification on google chrome browser on localhost:3000
Now, we have steps to implement the push notification functionality in react js web application using firebase cloud messaging. Hope my article helps you to understand the process of React firebase push notification. If you have any doubts, write your comment to discuss more.
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