Node.js readStream.isTTY Property

// Node.js program to demonstrate the
// readStream.isTTY property

// Importing dgram module
const dgram = require('dgram');

// Creating and initializing client
// and server socket
let client = dgram.createSocket("udp4");
let server = dgram.createSocket("udp4");

// Handling the message event
server.on("message", function (msg) {

    // Creating and initializing a
    // ReadStream object
    let ReadStream = process.stdin;

    // Checking if it is instance of TTY
    // or not by using isTTY() method
    const status = ReadStream.isTTY;

    // Displaying the result
    if (status) {
        process.stdout.write(msg
            + "an instant of TTY" + "\n");
    } else {
        process.stdout.write(msg
            + "not an instant of TTY" + "\n");
    }

    // Exiting process
    process.exit();
})

    // Binding server with port
    .bind(1234, () => {
    });

// Client sending message to server
client.send("It is ", 0, 7, 1234, "localhost");

// Node.js program to demonstrate the
// readStream.isTTY property

// Creating and initializing a
// ReadStream object
let ReadStream = process.stdin;

// Checking if it is instance of TTY
// or not by using isTTY() method
const status = ReadStream.isTTY;

// Displaying the result
if (status) {
    console.log("It is an instant of TTY");
} else {
    console.log("it is not an instant of TTY");
}