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Elm Articles

Written by thoughtbot, your expert partner for design and development.

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    • Design
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  1. The Mechanics of Maybe

    Leverage the core mechanics of Maybe to clean up your nested cases.

    Joël Quenneville
    February 9, 2018
    • Elm
    • Functional Programming
    • Web
  2. 5 Common JSON Decoders

    Elm JSON decoding in 5 common scenarios

    Joël Quenneville
    December 4, 2017
    • Elm
    • Web
  3. Two ways of looking at map functions

    Map functions are hard to “get” in the abstract. This looks at two mental models that helped me understand them better.

    Joël Quenneville
    November 20, 2017
    • Elm
    • Web
    • Functional Programming
  4. Bridging Elm and JavaScript with Ports

    Elm is strongly-typed; JavaScript is not. Communication between the two is paramount for large applications and ports enable this.

    Josh Clayton
    October 25, 2017
    • Elm
    • JavaScript
    • Web
  5. Modeling with Union Types

    Clean up Maybe by modeling multiple shapes of data with union types.

    Joël Quenneville
    October 13, 2017
    • Elm
    • Web
  6. Elm and Rails Sitting in a Tree

    I-N-T-E-G-R-A-T-I-N-G: Webpacker makes using Elm in your Rails app pain-free.

    Tom Wey and Josh Clayton
    October 9, 2017
    • Rails
    • Elm
  7. Booleans and Enums

    Refactor common Boolean smells using enums (union types).

    Joël Quenneville
    September 20, 2017
    • Web
    • Elm
    • Good Code
  8. Alternative View Layers for an Elm App

    Get an Elm app to render using your favourite template library.

    Pablo Brasero
    July 10, 2017
    • Elm
    • Glimmer
    • Ember
    • JavaScript
    • Web
  9. Purple Train is Open Source!

    Peruse, fork, play with, and contribute to the code on GitHub.

    Ian C. Anderson
    June 12, 2017
    • News
    • iOS
    • Android
    • React Native
    • Elm
    • Mobile
  10. Extending Elm Native UI with JavaScript

    How to add extra UI functionality to your Elm Native UI project.

    Jon Yurek
    March 27, 2017
    • Code
    • Elm
    • JavaScript
    • Mobile
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