DRYing up Routing with Events

Right now, our app is manually changing the URL and calling a controller action if the URL contains no fragment. However, that isn’t very DRY.“Don’t repeat yourself” is a principle of software development. We’ll end up setting route fragments and calling controller methods everywhere, which will be a nightmare to maintain.

Triggering events for changing URL

Instead, let’s leverage events, as we can see in line 6 below: