Learning Node.js Development

The Handlebars helper

Now before we go further, there is one more thing I want to talk about, that is, a handlebars helper. Handlebars helpers are going to be ways for us to register functions to run to dynamically create some output. For example, inside server.js, we currently inject the current year inside of both of our app.get templates and that's not really necessary.

There is a better way to pass this data in, and this data shouldn't need to be provided because we'll always use the exact same function. We'll always take the new date getfullYear return value passing it in. Instead, we'll use a partial, and we'll set ours up right now. Now a partial is nothing more than a function you can run from inside of your handlebars templates. ...