Fronteers talk Digiti — "Pre-processing"

Transcript

1. Pre-processing INCEPTION ALL OVER AGAIN!

2. RIP ARJAN EISING He’s not really dead :)

3. Hi, I’m Kristof @houbenkristof — kristof@treeshadow.be

4. Front-end/design at Mobile Vikings

5. I’m always up for a Challenge

6. Run a small firm CALLED TREESHADOW MEDIA

7. Creative Brewski TOGETHER WITH @TOMCLAUS & @DENNISJANSSEN

8. LEt’s TALK CSS

9. "You don’t need a new stylesheet syntax, CSS is simple

   and you’re a moron if you can’t do it."

10. C’est très simple

11. Not that easy to maintain

12. Stylesheets evolve

13. Simplicity creates complexity

14. Keep things DRY DON’T REPEAT YOURSELF

15. we should Reference to existing information

16. "CSS is the weakest link in the web developers toolbox.

    The problem goes deeper than CSS’s lack of variables. Unlike the “function” in programming, CSS has no fundamental building block."

17. It’s all about Abstractions

18. CSS PRIMITIVES HAVE NO MEANING

19. That’s our job!

20. Abstractions ARE GROUPS OF PRIMITIVES

21. Abstractions are not abstract to us

22. We give BUILDING BLOCKs meaning SO IT MAKES IT EASIER

    FOR US TO UNDERSTAND

23. Our DESIGNS CHANGE

24. A kitten dies every time that happens

25. Find & replace OH PLEASE, DON’T GET ME STARTED!

26. Client: “We want #000 to be #333 but not the

    user information underneath my #bada55 body text, oh while you're at it could you position absolute that element and rotate it a gazillion degrees, … oh, #333 doesn't look that great after all… Change it back!”

27. You’re screwed

28. What do we NEED?

29. The interior decorator!

30. Decorates with parts

31. He does not make those parts LAMPS, TABLES, CHAIRS…

32. PArts for PArts

33. Oh my god YOU REUSED A BUTTON!

34. When elements are common REUSE tHEM!

35. Focus! ON WHAT IS IMPORTANT, YOU MUST!

36. Hard to upgrade Customized third party stylesheets

37. Clearly we are in need of some Pre-processing

38. "In computer science, a preprocessor is a program that processes

    its input data to produce output that is used as input to another program.” — Wikipedia

39. Syntactic CUSTOMIZED SYNTAX, EXTEND THE LANGUAGE, ADD IMPROVEMENTS

40. ex. SASS & LESS

41. Keeping things maintainable

42. SASS BY HAMPTON CATLIN & NATHAN WEIZENBAUM

43. Written in Ruby

44. Don’t worry, there are also GUI’s

45. Watches folders & compiles on save

46. 2007 ORIGINAL SASS SYNTAX

47. None

48. Hard to convert existing CSS TO SASS

49. 2010 SASS 3 INTRODUCES SCSS

50. None

51. Regular CSS = VALID SCSS

52. BUT WAIT there’s also COMPASS

53. It’s chock full of the web’s best reusable patterns.

54. None
55. None

56. Also contains other cool features IMAGE SPRITING, COLOR FUNCTIONS

57. None
58. None

59. You say LESS

60. It’s all javascript ORIGINALLY WRITTEN IN RUBY BY ALEXIS SELLIER

61. Regular CSS = VALID LESS

62. LESS INSPIRED SCSS

63. VS LESS SASS Thanks to Chris Eppstein - https://gist.github.com/674726

64. Learning curve YOU HAVE TO KNOW JACK SH*T ABOUT THE

    CLI

65. CODEKIT IS HOT!

66. CSS3 Helpers SASS HAS COMPASS, LESS DOES NOT

67. Variables

68. None

69. Mixins

70. Extending

71. Custom units in SASS MAKING THE LANGUAGE MORE FUTUREPROOF

72. Looping

73. DEMO

74. Thank you!

75. Resources: http://coding.smashingmagazine.com/2011/09/09/an-introduction-to-less-and- comparison-to-sass/ http://sonspring.com/journal/sass-for-designers http://css-tricks.com/sass-vs-less/ http://chriseppstein.github.com/blog/2009/09/20/why-stylesheet-abstraction- matters/

76. Questions?