How Create Chat application using Nodejs chat plugin

How Create Chat application using Nodejs chat plugin

How Create Chat application using Nodejs chat plugin .In this tutorial, we are going to build a realtime chat system with Node.js and the socket.io library. This chat system is also know as Rs Chat.

In this tutorial, we are going to build a realtime chat system with Node.js and the socket.io library. This chat system is also know as Rs Chat.

How do you create a simple chat application?

In this tutorial, I’m going to help you create your own chat application. You can  integrate  into any project! This tutorial help to the complete development of a chat application.

We’re going to be creating a Node.js app, Please make sure you have it installed.

Let’s start :

  • create a folder
  • cd into that directory in your terminal (command line)
  • run npm init . This will create a new package.json file. (it will ask you name/version, etc.)

Node.js as a Web Server

The HTTP module can create an HTTP server that listens to server ports and gives a response back to the client.

Use the createServer() method to create an HTTP server:

var http = require('http');
//create a server object:
http.createServer(function (req, res) {
  res.write('Hello World!'); //write a response to the client
  res.end(); //end the response
}).listen(8080); //the server object listens on port 8080

Getting started with rs-chat plugin

You can install it through npm.

npm install rs-chat

Setup for nodejs

Open index.js or server.js or main.js file and put the below code and start nodejs server

var app = require('http')
var chat = require('chat')

chat.init({
  host     : 'localhost', // DB host
  user     : 'user', // DB User
  password : 'password', // DB Password
  database : 'database' // DB Name
});

Create table

CREATE TABLE `messages` ( 
  `id` int(11) NOT NULL,
 `userId` int(11) NOT NULL,
  `toId` int(11) NOT NULL,
  `msg` text NOT NULL,
  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `read_at` datetime DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Load the required files

Inside the page’s head tag include the CSS file.

<link rel="stylesheet" type="text/css" href="https://unpkg.com/[email protected]/dist/rs-chat.min.css">

In the page’s footer, just before , include the required JavaScript files.

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js"></script>


<script type="text/javascript" href="https://unpkg.com/[email protected]/dist/rs-chat.min.js"></script>

Instantiate the chat plugin

<script type="text/javascript"> 
 RSChat.init({
 socketUrl: 'http://localhost:8080/' // server url,
    userId: '1', // logged in user id
    name: 'ravi shukla', // logged in user name
  });
</script>

Call the below function to open chat box

RSChat.start('user_id', 'username')

if you any error for installation nodejs chat plugin . Please go to git hub link  and download. 

Npm Package : https://www.npmjs.com/package/rs-chat

github : https://github.com/ravishukla007/chat

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