client.js

var blessed = require('blessed');
var screen = blessed.screen();

var irc = require('irc');
var client = new irc.Client('irc.esper.net', 'nodecli', {
    channels: ['#smth'],
});

var box = blessed.box({
    bottom: 0,
    left: 'center',
    height: 3,
    width: '100%',
    tags: true,
});
screen.append(box);

var buffer = blessed.Text({
    top: 0,
    width: '100%',
    height: '93%',
    border: {
        type: 'line'
    }
});

screen.append(buffer)

var form = blessed.Form({
});
box.append(form);
var text = blessed.Textbox({
    name: 'input',
    inputOnFocus: true,
    keys: true,
    border: {
        type: 'line'
    }
});

box.append(text);
text.key('enter', function (ch, key) {
    // do work with text.getValue()
    msg = text.getValue()
    if (msg == '/quit')
        process.exit(0);
    buffer.setText(buffer.getText() + '\n' +msg);
    client.say('#smth', text.getValue());
    text.clearValue()
    text.focus()
    screen.render();
});

// irc
client.on('message', function (from, to, message) {
    buffer.setText(buffer.getText() + '\n' + to + ':' + from + ' >  ' + message);
    screen.render();
});

screen.key(['escape'], function (ch, key) {
    process.exit(0);
});

text.focus();
screen.render();