How to Build a Chat Application in NextJS and React in 2023

In this article, we will discuss the steps to build a chat application using NextJS and React in 2023. With the increasing demand for real-time communication, building a chat application is a valuable skill to have. Let’s get started!

Step 1: Set up Environment

First, make sure you have Node.js installed on your system. Then, create a new NextJS project by running the following commands:

  
    npx create-next-app@latest my-chat-app
    cd my-chat-app
  

Step 2: Install Dependencies

Next, install the necessary dependencies for building a chat application. You will need to install libraries such as Socket.io for real-time communication and styling libraries like Tailwind CSS for UI design.

  
    npm install socket.io-client
    npm install socket.io
    npm install tailwindcss
  

Step 3: Set up Socket.io Connection

Next, set up a Socket.io connection to enable real-time communication between clients. Create a new file called socket.js and add the following code:

  
    import { io } from "socket.io-client";
    const socket = io("http://localhost:3001");
    export default socket;
  

Step 4: Create Chat Components

Now, create the necessary components for the chat application such as the chat window, message input, and user list. Use React to create these components and style them using Tailwind CSS.

Step 5: Implement Chat Functionality

Finally, implement the chat functionality using Socket.io. Handle events such as sending and receiving messages, updating the user list, and displaying real-time updates in the chat window.

Conclusion

Building a chat application in NextJS and React in 2023 can be a valuable skill to have as real-time communication becomes increasingly important. By following the steps outlined in this article, you can create a functional and stylish chat application for your personal or professional projects.