Programming Elm: Build Safe, Sane, and Maintainable Front-End Applications

Programming Elm: Build Safe, Sane, and Maintainable Front-End Applications

Book Description
Elm brings the safety and stability of functional programing to front-end development, making it one of the most popular new languages. Elm's functional nature and static typing means that run-time errors are nearly impossible, and it compiles to jаvascript for easy web deployment. This book helps you take advantage of this new language in your web site development. Learn how the Elm Architecture will help you create fast applications. Discover how to integrate Elm with jаvascript so you can update legacy applications. See how Elm tooling makes deployment quicker and easier.
Functional programming offers safer applications with decreased runtime errors, but functional solutions that are type safe and easy to use have been hard to find, until the Elm language. Elm has the benefits of functional languages while compiling to jаvascript. This book provides a complete tutorial for the Elm language, starting with a simple static application that introduces Elm syntax, modules, and the virtual DOM, to exploring how to create a UI using functions. See how Elm handles the issues of state in functional languages. You'll continue to build up larger applications involving HTTP requests for communication. Integrate your Elm applications with jаvascript so you can update legacy applications or take advantage of jаvascript resources.
Elm also provides built-in tooling to alleviate the tooling creep that's so common in jаvascript. This book covers Elm's deployment and testing tools that ease development confusion. Dive into advanced concepts including creating single-page applications, and creating performance improvements. Elm expert Jeremy Fairbank brings his years of web development experience to teaching how to use Elm for front-end development.
Your web UIs will be faster, safer, and easier to develop with Elm and this tutorial.

What You Need:
You will need the latest version of Elm, 0.19, along with a browser to run the examples in this book.


1. Get Started with Elm
2. Create Stateful Elm Applications
3. Refactor and Enhance Elm Applications
4. Communicate with Servers
5. Go Real-Time with WebSockets
6. Build Larger Applications
8. Integrate with jаvascript
9. Test Elm Applications
10. Build Single-Page Applications
11. Write Fast Applications

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