danielcspaiva / chat-app-nodejs

Crash Course on realtime communication using websockets on nodejs and express.

Chat App on Node.js

A simple web chat based on socket.io and Node.js

Tech Stack

• Node.js - JavaScript runtime Server
• Express.js - Web framework
• HandleBars - View Engine
• Socke.io - Real Time Engine based on WebSockets
• Bulma - CSS framework.

Setup

• Install Node.
• Clone the repo or download the zip file.

$ npm install
$ npm start
$ open http://localhost:3000/

Open the browser http://localhost:3000.

1 - The Basics

Understand the basic data exchange between server and client using socket.

We'll undestand how Node.js deals with events and exchange data.

2 - The Timer

We'll send random data and percieve the "real time" feeling.

3 - The Chat

Finally. Here's the chat:

• sending data from html from input
• broadcast data back to all clients

Replace this code on your index.hbs file at: views/index.hbs

<section class="section">
  <div class="container-fluid">
    <h1 class="title">
      {{title}}
    </h1>
    <p class="subtitle">
      welcome to {{title}}!
    </p>
    <div class="content" id="message"></div>
    <hr>
    <div class="field">
      <div class="control">
        <input class="input is-primary is-medium" type="text" name="message" placeholder="type your message">
      </div>
    </div>
    <button class="button is-primary">Send Message</button>
    <br>
    <div id="watch_mouse"></div>
  </div>
</section>