Learning Node.js for Mobile Application Development

Creating the server

The first thing that we need to do is create a WebSocket server to relay messages between our clients. Find a suitable project folder, open your terminal/command line, and run the following:

npm init

This will create the basic Node.js project structure. You can enter whatever values you see fit:

{
  "name": "ionic-chat-server",
  "version": "1.0.0",
  "description": "A websocket server for chatting.",
  "main": "server.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "csvan",
  "license": "MIT"
}

Now, let's install the dependencies that we will need. Run the following command:

npm install socket.io

This will install socket.io, which is all we will need in order to get our server running.

Next, create the ...