Module 'btford.socket-io' is not available!

[fullstackguyhere]

let groupModule = angular.module('app.group',['btford.socket-io']);

I have included socket.js and /socket.io/socket.io.js as well. Still getting this error.

[rohitdk]

Hey, You can use CDN, it works for me.
socket.zip
`<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.4/socket.io.js"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.5/angular.js"></script> <script src="/socket.js"></script>`