Ember-cli creating more than 30000 files

I'm new to ember and after following a few guides, I've been playing around with ember apps. I'm using ember-cli to create an app, so I use

$ ember new 'app-name'

which creates the app as expected with the 'app' and 'dist' folder. But it also creates a lot of other files. I only discovered this while deleting the folder when the windows delete dialog box showed deleting more than 30000 files.

Is it that I'm doing something wrong that's causing unnecessary files to be created? Is there a way to avoid this?