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elm-format
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There are a handful of plugins and extension for different editors, the majority of which can be found on an officially updated list within the Elm organization on Github. My editor of choice is VS Code, and the VS Code extension for Elm is an excellent tool for writing in Elm. It provides details on errors when saving, references to where a particular function or value is utilized, and access to function documentation on hover
If you're new to Elm, and would like to learn more about it, check out the official Elm Guide.
Unlike Javascript, Elm has an official Style Guide for how Elm code should be structured. In addition, some formatting is built into the language itself, such as requiring indents of four spaces. This removes a major point of contention within teams. In addition, the community has put together a wonderful tool called elm-format. Similar to Prettier, this utility can be used to ensure that all Elm code matches the official style guide. Unlike Prettier, there is no custom configuration, meaning once again that your team can focus on writing code instead of what kind of quotes to use.
The Elm community has an unofficial linter (called elm-review), which can be used to check your code for potential bugs or mistakes, or highlight a better way to write Elm. Unlike elm-format (and more similar to tools like ESLint), elm-review does not come with any default rules to follow:
The de-facto standard for testing an Elm application is elm-test. However, as noted in the README:
To actually run the tests, however, there are currently two options. The first, as noted above, is node-test-runner, which is available from npm at elm-test. This utility will run the tests as defined in your Elm code, and return the results. There is a second option, elm-test-rs, which is written in Rust instead of Node. It has a handful of features that node-test-runner does not have, as well as some downsides (see the Github README for details), but in general both tools work very well for testing Elm code.
To actually run the tests, however, there are currently two options. The first, as noted above, is node-test-runner, which is available from npm at elm-test. This utility will run the tests as defined in your Elm code, and return the results. There is a second option, elm-test-rs, which is written in Rust instead of Node. It has a handful of features that node-test-runner does not have, as well as some downsides (see the Github README for details), but in general both tools work very well for testing Elm code.
First on our list is elm-live. From their README, elm-live provides:
Webpack: elm-webpack-loader
Vite: vite-plugin-elm
This was a template I created to scratch my own itch. As a Vue developer, I love working with Vite, and really wanted a base template for Vite that I could use to build Elm applications. vite-elm-template is a basic Vite template intended to get you started writing in Elm without having to spend time configuring everything yourself. Unlike elm-pages or elm-spa, it's not a framework of any sort. If you want to bring in single-page application features, or other functionalities, you will have to build those in yourself. That said, it's perfect for getting started with a basic environment.