It also works with VSCode devcontainers and on GitPod. Because Step 1 in any new project is a reproducible development environment, and Step 2 is get it in production. Step 3 is implement something. Copy this code: systemsthinking-dev/poker-in-elm at starter (github.com) This is my accomplishment for the day, so I’m here to share it with …
At elm-conf and CodeMesh and YOW! Australia this year, I did live demos using automated code modification with Atomist Rug. Rug is now officially open source, and the Rug CLI is available so that you can try (and change! and improve!) these editors on your own Elm code. This blog post tells you how. I usually start …
This one expresses some of the principles behind the Elm language, which is specific to single-page web apps. Elm makes it hard to make a dumb mistake, because it is easy to find all the places you need to change. More important: it teaches you a rigorous way to think about flow through the application. …
Elm is perfectly suited to property testing, with its delightful data-in–data-out functions. Testing in Elm should super easy. The tooling isn’t there yet, though. This post documents what was necessary today to get a property to run in Elm. Step 1: elm-test This includes an Elm library and a node module for a command-line runner. The library …
*Update*: Deprecated. These days, to create a new Elm project, I use rug, as described in this post: http://jessitron.com/2016/12/using-rug-with-elm.html If you have tried Elm and want to make a client bigger than a sample app, this post can help you get set up. Here, find what goes into each of my Elm repositories and why. This template …
I never enjoyed front-end development, until I found Elm. JavaScript with its `undefined`, its untyped functions, its widely scoped mutable variables. It’s like Play-Doh, it’s so malleable. And when I try to make a sculpture, the arms fall off. It takes a lot of skill to make Play-Doh look good. Then Richard talked me into …
Read moreAn Opening Example of Elm: building HTML by parsing parameters