Web Components: What, Why, How, When

Given at #lwsroots, 24th November 2014.

Transcript

1. @stopsatgreen WEB COMPONENTS What, Why, How, When #LWSROOTS, 24/11
2. @stopsatgreen @stopsatgreen Peter Gasston broken-links.com
3. @stopsatgreen WEB COMPONENTS
4. @stopsatgreen ‘Demeaning’ ‘Condescending’ ‘A bit silly’
5. @stopsatgreen
6. @stopsatgreen
7. @stopsatgreen WHAT?
8. @stopsatgreen “The component model for the Web.”
9. @stopsatgreen A suite of technologies for making reusable UI controls or services.
10. @stopsatgreen Fundamental change to the way we build the Web.
11. @stopsatgreen
12. @stopsatgreen
13. @stopsatgreen
14. @stopsatgreen ® The Lego Group
15. @stopsatgreen Custom Elements
16. @stopsatgreen Shadow DOM
17. @stopsatgreen HTML Imports
18. @stopsatgreen
19. @stopsatgreen Templates
20. @stopsatgreen WHY?
21. @stopsatgreen
22. @stopsatgreen OOCSS BEM Java Applets Dynamic Drive React Ember jQuery UI Bootstrap Web Components
23. @stopsatgreen W3C WHATWG
24. @stopsatgreen
25. @stopsatgreen • jQuery : querySelector(), classList • Modernizr : @supports • Sass : --custom-properties()
26. @stopsatgreen #extendthewebforward http://extensiblewebmanifesto.org/
27. @stopsatgreen <flex-carousel> <prev-next> <show-position> <open-lightbox>
28. @stopsatgreen http://msdn.microsoft.com/library/ie/ms531426.aspx
29. @stopsatgreen
30. @stopsatgreen
31. @stopsatgreen
32. @stopsatgreen meaningful naming + modularisation + encapsulation + sharing = web components
33. @stopsatgreen HOW?
34. @stopsatgreen <indiana-jones></indiana-jones> document.registerElement('indiana-jones');
35. @stopsatgreen proto = Object.create(HTMLElement.prototype); proto.whip = function(…); document.registerElement('indiana-jones',
 { prototype: proto }); indy = document.querySelector('indiana-jones');
 indy.whip();
36. @stopsatgreen <button is="indiana-jones"></button> proto = Object.create(HTMLButtonElement.prototype); proto.whip = function(…); document.registerElement('indiana-jones', { prototype: proto, extends: 'button' });
37. @stopsatgreen
38. @stopsatgreen
39. @stopsatgreen var root = foo.createShadowRoot();
 root.innerHTML = '<div>…</div>';
40. @stopsatgreen <indiana-jones>
 <template id="doom">…</template>
 <script>…</script>
 </indiana-jones>
41. @stopsatgreen <link rel="import" href="button-super.htm">
42. @stopsatgreen http://leafletjs.com/
43. @stopsatgreen <leaf-map lat="33.9186805" lon="8.1198406"></leaf-map> <link rel="import" href="leaflet-map.htm">
44. @stopsatgreen Everything Useful Useful & well-made Crap http://en.wikipedia.org/wiki/Sturgeon%27s_law
45. @stopsatgreen http://addyosmani.com/first/
46. @stopsatgreen http://www.paciellogroup.com/blog/2014/09/web-components-punch-list/
47. @stopsatgreen
48. @stopsatgreen
49. @stopsatgreen /path/to/library.min.js
 /path/to/a/library.min.js
50. @stopsatgreen <link rel="import" href="//foo.com/btn-a.htm">
 <link rel="import" href="//bar.com/btn-b.htm">
 <link rel="import" href="//baz.com/btn-c.htm">
51. @stopsatgreen WHEN?
52. @stopsatgreen Browser Custom Elements Shadow DOM HTML Imports Template Who knows? ‘Under consideration’ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ http://jonrimmer.github.io/are-we-componentized-yet/
53. @stopsatgreen
54. Platform.js (polyfill) Polymer Core Bosonic Core Elements Brick Paper Elements Elements polymer-project.org | brick.mozilla.io | bosonic.github.io | webcomponents.org Standard
55. @stopsatgreen Web Components are for you to drive the future of the web. Please drive responsibly.
56. @stopsatgreen THE END
57. @stopsatgreen Unless otherwise stated, all photos in this deck are copyright George Lucas or Mickey Mouse or someone and used without permission.