Web Components: What, Why, How, When

From The Front; Bologna, Italy; 19th September, 2014. Sorry, but won’t make a lot of sense without commentary.

Transcript

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