After playing with LiveView and leveraging Phoenix PubSub to broadcast messages to all of a live view’s clients, I wanted to try incorporating Phoenix Presence to track the state of these clients. So this past weekend I built a chat app using Phoenix LiveView, PubSub and Presence. The LiveView clocks in at 90 lines of code, and I was able to get the Presence-backed features up and running in no time! Keep reading to see how it works.
