Elm - A new approach to building the front end

As delivered at True North PHP 2015

1. Elm
 A new approach to building the front end Joel Clermont
 @jclermont
2. What to expect • Elm language tour
3. What to expect • Elm language tour • Application architecture overview
4. What to expect • Elm language tour • Application architecture overview • Tour an Elm app
5. What to expect • Elm language tour • Application architecture overview • Tour an Elm app • How does this fit in with my current process?
6. What to expect • Elm language tour • Application architecture overview • Tour an Elm app • How does this fit in with my current process? • Tooling
7. What to expect • Elm language tour • Application architecture overview • Tour an Elm app • How does this fit in with my current process? • Tooling • Why should I give Elm a try?
8. Elm as a language
9. Pure Functions
10. Immutable Data
11. Statically Typed (plus types as data)
12. Statically Typed (another example)
13. Functional Programming • higher-order functions • currying • recursion • pattern matching
14. All hail the pipe!
15. Questions?
16. Elm architecture
17. Model
18. Update
19. View
20. Questions?
21. Tour a simple app
22. Model
23. Update
24. View
26. Questions?
27. How does this fit in?
28. From Elm to your browser • compile to JS
29. From Elm to your browser • compile to JS • link JS source in your web app
30. From Elm to your browser • compile to JS • link JS source in your web app • Elm.fullscreen
31. From Elm to your browser • compile to JS • link JS source in your web app • Elm.fullscreen • Elm.embed
32. It’s just HTML/CSS/JS
33. Excellent JS interop
34. Questions?
35. Tooling
36. Compiler
37. Excellent tooling • Package manager
38. Excellent tooling • Package manager • REPL
39. Excellent tooling • Package manager • REPL • Interactive debugger
40. Excellent tooling • Package manager • REPL • Interactive debugger • Great documentation
41. Questions?
42. Why should I consider Elm? • It’s fast
43. Why should I consider Elm? • It’s fast • It’s safe
44. Why should I consider Elm? • It’s fast • It’s safe • Great tooling and ecosystem
45. Why should I consider Elm? • It’s fast • It’s safe • Great tooling and ecosystem • Easy to integrate gradually
46. Why should I consider Elm? • It’s fast • It’s safe • Great tooling and ecosystem • Easy to integrate gradually • It’s FUN
47. Next steps • http://elm-lang.org (live demos, debugger, REPL) • https://pragmaticstudio.com/elm • https://pragmaticstudio.com/blog/2014/12/19/ getting-started-with-elm • @elmlang @czaplic @rtfeldman • http://noredinktech.tumblr.com
48. Questions? @jclermont
49. https://joind.in/15744 Thank you! @jclermont