John Lindquist: Before we bring together all the watching, configuring, templating, and things like together, let's look at one more NPM task we want to install.
We want to do grunt-contrib-uglify. This one is going to download and install Uglify, which is used to concatenate and minify your files. We're going to keep it really basic here.
Once we run this, we can say grunt-uglify. Hit Enter. You can see. It says, "app.min.js was created."
We come up here, and we can see that we have app.min.js. We've just concatenated all of our files -- one, obviously alphabetically, three, and two.