Testing a Phoenix LiveView that does an async operation after mount

I had a LiveView that was avoiding blocking mount by doing its side-effect (fetching data from a backend service) asynchronously. I started thinking “how will I test this if the data fetching is async? How can I…

Finch’s efficient building of a streamed http response

Quick compile builds for Elixir in VSCode

When you’re making changes in VSCode and you want a quick check to make sure the…

ExUnit: How to find your synchronous test suites

Using Elixir modules to organize logic when you don’t have classes

I had this realization of Elixir module organization as I was working through a multiplayer TicTacToe game using LiveView: an Elixir (struct) module is a struct definition with colocated methods that act on…

Making the connection between JS for loops and Elixir for loops

When writing some Elixir code, I come across wanting to express something in a for loop. Of course there are constructs like each, map, reduce, and such in Elixir (and JavaScript), but I wanted to see to achieve the…