css components
DESCRIPTION
2014-06-21 Frontrend in Nagoya w/ HTML5 NAGOYATRANSCRIPT
Beyond the CSS Architecture
ComponentsCSS
Front-end Engineer
Hiroki Tani
github.com/hiloki!" twitter.com/hiloki
inkdesign.jp
CSSMark-up
CSSMark-up
!Designer
➡
CSSMark-up
!Designer
➡
Engineer#
⬅
👎CSS
Easy.text { color: red; }
Hardtoo
#main .article { ... } #main .article .title { ... } #main .breaking .title { ... } #header #logo img { ... } #header li#logoTop { ... } #header li#logoTop:after { ... } .article-header .datetime span { ... } ul.member-list li.member a { ... } .widget p,.widget ul { ... } #sidebar .widget { ... } #sidebar li a.register{} body.landing #main section .photo { ... } #slider #slider-control > div { ... } #bannerList li div#rotate { ... }
CSS Architecture
http://codepen.io/hiloki/full/dnGeB
<div class="speaker"> <div class="image"> <img src="tani.jpg"> </div> <div class="inner"> <p class=“name”>…</p> <div class="biography"> <p>...</p> </div> </div> </div>
.speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
<div class="book"> <div class="cover"> <img src="book.jpg"> </div> <div class="inner"> <p class="title">...</p> <p class="info"> ... </p> <div class="intro"> <p>...</p> </div> <ul class="shop"> <li>...</li> </ul> </div> </div>
.book { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #9DBCB8; color: #FFF; } .book .cover { float: left; margin-right: 20px; } .book .inner { overflow: hidden; } .book .title { ... } ...
<div class="event"> <a href="event.html"> <div class="thumbnail"> <img src="event.jpg"> </div> <div class="inner"> <p class="event__name">...</p> </div> </a> </div>
.event > a { display: block; } .event .thumbnail { float: left; margin-right: 15px; } .event .inner { overflow: hidden; } …
&
<div class="media speaker"> <div class="media__image image"> <img src="tani.jpg"> </div> <div class="media__body inner"> <p class="name">…</p> <div class="biography"> <p>...</p> </div> </div> </div>
/* Media */ .media { overflow: hidden; /* Clearfix */ } .media__image { float: left; margin-right: 15px; } .media__body { overflow: hidden; }
.speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
.speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
.speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
.book { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #9DBCB8; color: #FFF; } .book .cover { float: left; margin-right: 20px; } .book .inner { overflow: hidden; } .book .title { ... } ...
.event > a { display: block; } .event .thumbnail { float: left; margin-right: 15px; } .event .inner { overflow: hidden; } …
'
<div class=“media book"> <div class=“media__image book__cover”> <img src="book.jpg"> </div> <div class=“media__body”> <p class="book__name">...</p> <p class="book__info"> ... </p> <div class="book__intro"> <p>...</p> </div> <ul class="book__shop"> <li>...</li> </ul> </div> </div>
.book { padding: 20px; background-color: #9DBCB8; color: #FFF; } .book__cover { margin-right: 20px; } .book__title { ... } ...
OOCSSNicole Sullivan@stubbornella
OOCSSSMACSSBEMMCSSFLOCSS
CSSComponents
= encapsulationComponents
Not perfectComponents
<div class="book"> <div class="book__cover"> <p class=“book__name"> … </p> </div> </div>
<div id="pickup"> <div class="book"> <div class="book__cover"> <p class="book__name"> CSS…</p>... </div> </div> </div>
<div class="book"> <div class="book__cover"> <p class=“book__name"> … </p> </div> </div>
#pickup .book__name { color: #111; font-size: 2em; } !.book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; }
☢
#pickup .book__name { color: #111; font-size: 2em; } !.book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; background-color: #333; padding: 6px; }
#pickup .book__name { color: #111; font-size: 2em; background-color: #FFF; padding: 0; } !.book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; background-color: #333; padding: 6px; }
<style scoped> )
<div><!-- Scope --> <style scoped> .book__name { background-color: #333; padding: 6px; } </style> <div class=“media book"> <div class=“media__body”> <p class=“book__name”> … </p> </div> </div> </div>
<style scoped> ⛼
<style scoped> ⛼
Components
Sharable
+
,
-
Maintainable
Easily-controlled
ComponentsWeb
Web ComponentsTemplates
Shadow DOMHTML Imports
- - - -
Custom Elements
Templates
<template id="my-media-template"> <div class="media"> <div class="media__image"> <img> </div> <div class="media__body"> <content></content> </div> </div> </template>
Custom Elements
<google-map></google-map> !<x-calendar today></x-calendar> !<button is="like-button"></button> !<my-media src="tani.jpg" width="120" height="120">
Custom Elements
var element = Object.create( HTMLElement.prototype ); document.registerElement( 'my-alert', { prototype: element } );
Shadow DOM
// カスタム要素のインスタンスが生成された時に実行する
element.createdCallback = function() { var template = document.querySelector('#my-media-template'); !// templateのDocumentFragmentからcontentを取得する
var content = template.content; !// Shadow Rootにcontentを追加する(ShadowDOMの形成)
var shadowRoot = this.createShadowRoot(); shadowRoot.appendChild( document.importNode(content, true) ); };
Shadow DOM
// カスタム要素のインスタンスが生成された時に実行する
element.createdCallback = function() { var template = document.querySelector('#my-media-template'); !// templateのDocumentFragmentからcontentを取得する
var content = template.content; !// Shadow Rootにcontentを追加する(ShadowDOMの形成)
var shadowRoot = this.createShadowRoot(); shadowRoot.appendChild( document.importNode(content, true) ); };
= encapsulation
HTML Imports
<head> <link rel="import" href=“components/my-media.html"> </head>
Web Components
- - - -
Templates
Shadow DOMHTML Imports
Custom Elements
http://codepen.io/hiloki/full/obFui
<my-media src=“sensui.jpg" width=“120" height=“120" class="speaker"> <p class=“speaker__name"> 泉水 翔吾
</p> <div class="speaker__bio"> <p>…</p> </div> </my-media>
<my-media src="sensui.jpg" width="120" height="120" class="speaker"> <p class=“speaker__name"> 泉水 翔吾
</p> <div class="speaker__bio"> <p>…</p> </div> </my-media>
<my-media src=“book.jpg" width=“100" height=“100" class="book"> <p class=“book__name"> フロントエンド…
</p> <div class=“book__info”> <p>…</p> </div> … </my-media>
.
<div class="media speaker"> <divclass=“media__image speaker__image”> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class=“speaker__name"> 谷 拓樹
</p> ... </div> </div>
<my-media src=“sugimoto.jpg" width=“120" class="speaker"> <p class=“speaker__name"> 杉本 吉章
</p> ... </my-media>
<my-media src="sugimoto.jpg" width="120" class="speaker"> <div class="media"> <div class=“media__image"> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class="speaker__name">杉本
吉章</p>
... </div> </div> </my-media>
<div class="media speaker"> <div class="media__image speaker__image"> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class="speaker__name">谷 拓樹</p> ... </div> </div>
/* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; }
❓
/* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; }
/* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; }
/* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; }
❓
/* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; }
/* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; }
::shadow 👻
/* <head> <style>…</style> </head> */ .speaker::shadow .media { display: block; overflow: hidden; /* Clearfix */ background-image: url(orion.jpg); background-size: cover; }
❓
/* <head> <style>…</style> </head> */ .speaker::shadow .media { display: block; overflow: hidden; /* Clearfix */ background-image: url(orion.jpg); background-size: cover; }
Shadow DOM= encapsulation
Custom Elements
<my-media></my-media>
Shadow DOM= encapsulation
Custom Elements
Shadow DOM= encapsulation
Custom Elements
<my-media> <style> .media { display: block; overflow: hidden; /* Clearfix */ } .media__image { float: left; margin-right: 10px; } .media__body { overflow: hidden; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div> </my-media>
Shadow DOM= encapsulation
Custom Elements
<my-media> !!!!!!!!!!!!!!!! </my-media>
Shadow DOM= encapsulation
Custom Elements
<my-media> !!!!!!!!!!!!!!!! </my-media>
! <style> .media { display: table; } .media__image { display: table-cell; vertical-align: top; padding-right: 10px; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div>
Shadow DOM= encapsulation
Custom Elements
<my-media> !!!!!!!!!!!!!!!! </my-media>
Shadow DOM= encapsulation
Custom Elements
<my-media> !!!!!!!!!!!!!!!! </my-media>
! <style> .media { display: flex; align-items: flex-start; } .media__image { margin-right: 10px; } .media__body { flex: 1; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div> !
Shadow DOM= encapsulation
Custom Elements
<my-media></my-media>
HTML5 Rockshttp://www.html5rocks.com/
Polymerhttp://www.polymer-project.org/
X-Taghttp://www.x-tags.org/
In future
Polymer designerhttps://github.com/Polymer/designer
Designer
Builder
Component
Component
💎 Designer
Builder
Component
Component
Component Designer.Be a
Thank you.github.com/hiloki!
" twitter.com/hiloki
inkdesign.jp
💐
https://www.flickr.com/photos/premshree/3444104640/
- - - -
https://www.flickr.com/photos/ltdemartinet/8331549172/
https://www.flickr.com/photos/horiavarlan/4839454263/
https://www.flickr.com/photos/drewmaughan/8209503226/
Photos: