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CSSモジュール ― 明るい未来へようこそ / techcamp02
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Yuichi Goto
August 14, 2016
Technology
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CSSモジュール ― 明るい未来へようこそ / techcamp02
第2回開発合宿(2016/08/14)
Yuichi Goto
August 14, 2016
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Transcript
CSSϞδϡʔϧ ― ໌Δ͍ະདྷΑ͏ͦ͜ ୈ2ճ։ൃ߹॓Ռൃදɹ@yasaichi
ൃදߏ 1. എܠͱత 2. ख๏֓ཁ 3. ࣮ࡍʹͬͯΈͨ 4. ॴײ
എܠͱత
എܠ: CSS Modules • ҎԼΛಡΜͰCSS ModulesʹڵຯΛ࣋ͭ • State of React
and CSS • CSSϞδϡʔϧ ― ໌Δ͍ະདྷΑ͏ͦ͜ ʢ͜ͷεϥΠυͷλΠτϧͷݩωλʣ • Modular CSS with React
CSSʹରͯ͠ͷΞϯςφ͕ ߴ·ͬͨঢ়ଶʹ
എܠ: PostCSS • ͞ΒʹҎԼΛಡΜͰPostCSSͱ͍͏ಈ͖͕͋Δ ͜ͱΛΔ • morishitterͷCSSͷॻ͖ํʢ2016Նʣ • [ৄղ] ϞμϯCSS:
ه๏ɼελΠϧͷཧɼ PostCSSʢWEB+DB PRESS Vol.93ʣ
ࠓճͷ߹॓ͷత • ରɿhttps://github.com/yasaichi/ minesweeper-reactjs • CSS ModulesΛͬͯCSSΛॻ͍ͯΈΔ • PostCSSΛͬͯCSSͷ "τϥϯεύΠϧ"
ʢCSS to CSSʣΛମݧ͢Δ
ख๏֓ཁ
CSS Modules • CSSͷ৽͍͠ઃܭ֓೦ or ࢦ • ϧʔϧηοτͷӨڹൣғΛίϯϙʔωϯτ ୯ҐͰดͯ͡͠·͓͏ͱ͍͏ͷ͕ओͳߟ͑ •
BEMͳͲͷઃܭख๏ΛΘͣʹࡶʹॻ͍ͯ ·͋·͋ഁ͠ʹ͍͘CSS͕ಘΒΕΔ
αϯϓϧ import React from 'react'; import styles from './style.css'; export
default class Logo extends React.Component { render() { return <div className={styles.square} />; } }; /* style.css */ .square { width: 200px; height: 200px; }
build͢Δͱ ._1uhuc_qi65HzMlHqmlWStu { width: 200px; height: 200px } <!DOCTYPE html>
<html> <body> <div id="container"> <div data-reactroot="" class="_1uhuc_qi65HzMlHqmlWStu"></div> </div> </body> </html> React ComponentʹରԠ ͢Δclass͕ద༻͞ΕΔ άϩʔόϧۭؒͰҰҙͳ Ϋϥε໊ʹม͞ΕΔ
PostCSS • "PostCSS is a tool for transforming styles with
JS plugins"ʢGitHubͷϦϙδτϦΑΓʣ • ͬ͘͟Γݴ͏ͱCSSʹ͓͚ΔBabel • Babelͱಉ༷ʹ͞·͟·ͳϓϥάΠϯ͕͋Δ ʢe.g. Autoprefixer, cssnext ͳͲʣ
࣮ࡍʹͬͯΈͨ
߹॓Ҏલͷminesweeper • Ұલ͘Β͍ʹReactͷษڧ͕ͯΒ࡞ͬͨ • React (0.13.3) • Gulp • Browserify
• Radium
σϞʢͦͷ1ʣ
߹॓ޙͷminesweeper • 2016ͬΆ͍ײ͡ʹΞοϓσʔτ • React (15.3.0) • npm-scripts • webpack
• CSS Modules + cssnext + PostCSS
σϞʢͦͷ2ʣ
ॴײ
໌Δ͍ະདྷʁ • CSSͷʢະདྷͷʣඪ४͕ऑ͍ͷͰॻ͍͍ͯͯ ਏ͍໘͕͋Δʢe.g. eachతͳͷ͍͍ͨʣ • σόοάͷͨΊͷ͍͍Έ͕·ͩͳ͍ • ݪ”CSS Modules:
Welcome to the Future” -> ະདྷ͕໌Δ͍ͱҰݴʢry
͓ർΕ͞·Ͱͨ͠ʂ