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Web Components で 社内 UI ライブラリを作っている話
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Yoshihide Jimbo
March 04, 2018
Programming
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Web Components で 社内 UI ライブラリを作っている話
WebComponents.kyoto Meetup #2 での発表資料です。
https://wc-kyoto.connpass.com/event/78690/
Yoshihide Jimbo
March 04, 2018
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Transcript
Web Components Ͱࣾ UI ϥΠϒϥϦΛ࡞͍ͬͯΔ WebComponents.kyoto Meetup #2 | Mar
04, 2018
じんぼ よしひで ਆอ Յल @jmblog Front-end Engineer,
͓͢Δ͜ͱ ᶃ ࣾ UI ϥΠϒϥϦʮKaizen Custom Elementsʯͷհ ᶄ Web Components
Λ࠾༻ͨ͠എܠ ᶅ ࣮Ͱۤ࿑ͨ͠
ᶃ ࣾ UI ϥΠϒϥϦʮKaizen Custom Elementsʯͷհ
Kaizen Custom Elements app-elements icon-elements <kz-app-toolbar> <kz-app-title> <kz-app-nav-menu> <kz-avatar> <kz-button>
<kz-card> ""... <kz-icon-bookmark> <kz-icon-calendar> <kz-icon-chevron-down> <kz-icon-copy> <kz-icon-download> <kz-icon-edit> ""...
Kaizen Custom Elements ͷಛ • Web Components (Custom Elements +
Shadow DOM) Ͱ࣮ • ϓϦϛςΟϒͳίϯϙʔωϯτ͕த৺ • Atomic Design ͷ Atomsʢݪࢠʣ ͔Β Moleculesʢࢠʣ ͘Β͍ͷཻ • Storybook ΛͬͯΧλϩάԽ • ઈࢍ։ൃதʢਐḿ10%͘Β͍ʣ
Example
https://speakerdeck.com/mizchi/real-world-es201x-and-future?slide=39 ͜ͷੈք؍ΛΠϝʔδ
https://kaizen-custom-elements-preview.netlify.com/
ᶄ Web Components Λ࠾༻ͨ͠എܠ
͜ͷؒͰ 6 ͭͷ Single Page Application Λ։ൃ Angular apps React
apps 2 4 • ٕ͋͑ͯज़ελοΫݻఆԽͤͣଟ༷ੑΛͨͤΔ • খ͘͞࡞ࣺͬͯͯ͘͢͢Δ • ֤ϝϯόʔ͕࠷ͰՌΛग़͢͜ͱʹͩ͜ΘΔ
ҰํͰ Ϙλϯπʔϧόʔͱ͍ͬͨϓϦϛςΟϒͳίϯϙʔωϯτΛ ຖճ࣮͢Δͷ໘͍͘͞… ΞϓϦέʔγϣϯ͝ͱʹඍົʹσβΠϯ͕ҧͬͯ͠·͏…
Angular Ͱ React ͰʢԿͳΒ Vue Ͱ Preact Ͱʣ͑Δ ڞ௨ͷ UI
ϥΠϒϥϦ͕ཉ͍͠ɻ Web Components ͷग़൪Ͱʁʂ
https://custom-elements-everywhere.com/
None
Angular ͱ Custom Elements ͷซ༻ͳͦ͞͏ɻ React Basic Tests ͯ͢௨͍ͬͯΔͷͰɺϓϦϛςΟϒͳ
ίϯϙʔωϯτʹ༻్Λݶఆ͢ΕɺʹͳΔ͜ͱͳͦ͞͏ɻ
None
None
Chrome / Safari ͔ͳΓαϙʔτ͕ਐΜͰΔɻ Edge ͱ Firefox ະରԠ͕ͩɺ໘ Polyfill Ͱ྇͛ͦ͏ɻ
ʢएׯͷෆ҆͋Δ͚Ͳʣ Web Components ͦΖͦΖʮ͑ΔϨϕϧʯʹͳ͖ͬͯͨҹɻ ·ͣࢼͯ͠ΈΑ͏ʂ
ᶅ ࣮Ͱۤ࿑ͨ͠
Shadow DOM ͷελΠϧ
Shadow DOM ͷελΠϧ Firefox ͱ Edge Shadow DOM ʹ·ͩରԠ͍ͯ͠ͳ͍ͷ
ͰɺελΠϧ͕είʔϓԽ͞Εͳ͍ɻ ShadyCSS Λ͑ɺٖࣅతʹείʔϓԽ͕࣮ݱͰ͖Δɻ
lit-html v0.7
lit-html v0.7 lit-html で軽量に作っちゃうぜー
lit-html v0.7 Firefox で Shadow DOM に スタイルが効かないぞ lit-html Λ
ShadyCSS ͷ ૬ੑ͕Α͘ͳ͍ʁ
lit-html v0.7 Polymer v3.0
lit-html v0.7 Polymer v3.0 うまくいった
lit-html v0.7 Polymer v3.0 React + CSS in JS でも
Shadow DOM のスタイル問題を 解決できる気がする! であれば、Polymer ではなく すでに知⾒がたまっている React を 使ったほうがよくない? React + CSS in JS
lit-html v0.7 Polymer v3.0 ちょっと待てよ 配布する Custom Elements の
ライブラリに React を同梱するの? React + CSS in JS
lit-html v0.7 Polymer v3.0 React + CSS in JS lit-html
+ CSS in JS lit-html + CSS in JS で Shadow DOM のスタイル問題を 解決できる気がする! であれば、軽量にできる!
lit-html v0.7 Polymer v3.0 React + CSS in JS lit-html
+ CSS in JS 厳しかった... :host にスタイルを定義する場合、 同じスタイル定義を CSS in JS でも⾏う 必要があり⼆重管理になってしまう。
lit-html v0.7 Polymer v3.0 React + CSS in JS lit-html
+ CSS in JS やはりお前じゃなきゃだめなのか Polymer v3.0
lit-html v0.7 Polymer v3.0 React + CSS in JS lit-html
+ CSS in JS Polymer v3.0 lit-html v0.9
lit-html v0.7 Polymer v3.0 React + CSS in JS lit-html
+ CSS in JS Polymer v3.0 lit-html v0.9 lit-html で ShadyCSS が サポートされた ͜ΕͰղܾͰ͖ͦ͏ʢࠓ͜͜ʣ
https://jmblog.jp/posts/2018-02-15/lit-html-with-shadycss/
create-react-app Ͱ minify Ͱ͖ͳ͍
create-react-app Ͱ minify Ͱ͖ͳ͍ Failed to compile. Failed to minify
the code from this file: ./node_modules/@kaizenplatform/kaizen-app-elements/kaizen-app-elements.js:1:57 Read more here: http://bit.ly/2tRViJ9 create-react-app Λͬͯੜͨ͠ React ΞϓϦͩͱɺ npm run build ͰΤϥʔʹͳΔ͜ͱ͕ൃ֮ɻ
http://bit.ly/2tRViJ9 "͍͔ͭ͘ͷαʔυύʔςΟͷύοέʔδɺES5 ʹมͤͣʹ ES6 ͷ ·· npm ʹެ։ͯ͠·͕͢ɺES6 Λαϙʔτ͍ͯ͠ͳ͍ϒϥβ πʔϧͰʹͳΔͷͰɺগͳ͘ͱ͋ͱES5
Ͱ npm ެ։͢ Δ͜ͱΛ͓͢͢Ί͍ͯ͠·͢ɻ" ͭ·Γ ES6 ʹͳ͍ͬͯΔͷ͕ѱ͍ͱɻ
͔͠͠ɺCustom Elements ES6 ͷΫϥεߏจΛ͏ඞཁ͕͋Δɻ ES5 ʹมͯ͠͠·͏ͱɺϒϥβ࣮ߦ࣌ʹΤϥʔʹͳΔɻ ʢcustom-elements-es5-adapter.js Λ͑Α͍͔͠Εͳ͍͕ɺ ͦͦ
ES6 Λαϙʔτ͍ͯ͠ΔϒϥβΛରͱ͍ͯ͠Δͷʹ Θ͟Θ͟ ES5 ʹม͢Δͷʁʣ
(›°□°ʣ›ớ ᵲᴸᵲ
ํ͕ͳ͍ͷͰɺUMD ൛༻ҙ Format File ES Module kaizen-app-elememts.esm.js UMD kaizen-app-elememts.umd.js
rollup Ͱ2όʔδϣϯΛੜ
index.html ͰಡΈࠐΜͰར༻
·ͱΊ
·ͱΊ • Web Components Λຊ൪ೖ͠Α͏ͱ͢Δͱɺ͍Ζ ͍ΖͱϋϚΔϙΠϯτ·ͩଟ͍ɻ • Ͱࠓ͔ΒݟΛཷΊ͓ͯ͘Ձ͋Δͱࢥ͏ɻ • ·ͣࣾݸਓͷখ͞ͳϓϩδΣΫτͰࢼͯ͠Έͯ
ʁ • lit-html Polymer ͷಈ͖׆ൃͳͷͰɺؾ͕ख़͢Δ ͷΛ৺ͪʹ͠·͠ΐ͏ʂ
We are hiring! Kaizen Platform ͰΤϯδχΞΛืू͍ͯ͠·͢ɻ ڵຯͷ͋Δํ https://jobs.lever.co/kaizenplatform?team=Engineer ·Ͱʂ