Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Web Components のリアル/ Realistic Web Components
Search
aggre
November 25, 2018
Technology
8.6k
12
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Web Components のリアル/ Realistic Web Components
HTML5 Conference 2018 (
https://events.html5j.org/conference/2018/11/
)での資料です
aggre
November 25, 2018
More Decks by aggre
See All by aggre
The money for the openable and shareable era
aggre
0
540
エンジニアは会社に何を求めるか? / What does engineers wants the company?
aggre
0
180
The importance ofopen assets
aggre
0
120
Fully AMP pros and cons
aggre
0
250
OSS の持続的開発をトークンエコノミーで支援する / Dev Token @OSS Universe
aggre
1
420
OSS の持続的開発をトークンエコノミーで支援する / Dev Token @CryptoBowl
aggre
1
510
Mastering lit-html directive
aggre
0
480
非中央集権ウェブ / Decentralized Web
aggre
3
650
OSS の持続的開発をトークンエコノミーで支援する / Dev Token
aggre
0
570
Other Decks in Technology
See All in Technology
トークンマネジメントでAIにとって働きやすい環境を実現する
hikaruegashira
0
160
AWSとGitHub Actionsの責任境界と 組織で安全に使用する取り組み
nealle
0
120
会計事務所と顧問先の契約関係をOIDC・OAuthで表現する
terara
0
260
Kiro Crew で始める マルチエージェント開発
miu_crescent
PRO
0
180
ブラウザで変わるID連携(OAuth/OIDC Numa (Immersion) Workshop 2026)
oidfj
PRO
0
220
コミュニティから始まった農業IoTとの7年間 ——人との関わりが教えてくれたこと
peacemaker07
0
110
Introduction to Sansan Meishi Maker Development Engineer
sansan33
PRO
0
460
All About Sansan – for New Global Engineers
sansan33
PRO
1
1.5k
Oracle MCP Servers Explained
thatjeffsmith
1
480
研究開発部の紹介 / Sansan R&D Profile
sansan33
PRO
4
24k
AIで変わるエンジニアの働き方(仮)
naoinaoi
0
520
AI時代のアウトプット――変わったこと、変わらないこと / Devsumi 2026 Kansai #devsumi
jnchito
0
570
Featured
See All Featured
Producing Creativity
orderedlist
PRO
348
40k
New Earth Scene 8
popppiees
3
2.5k
Building Flexible Design Systems
yeseniaperezcruz
330
40k
Jess Joyce - The Pitfalls of Following Frameworks
techseoconnect
PRO
1
380
4 Signs Your Business is Dying
shpigford
187
23k
For a Future-Friendly Web
brad_frost
183
10k
YesSQL, Process and Tooling at Scale
rocio
174
15k
The browser strikes back
jonoalderson
0
1.5k
JAMstack: Web Apps at Ludicrous Speed - All Things Open 2022
reverentgeek
1
580
The Limits of Empathy - UXLibs8
cassininazir
1
610
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
800
How STYLIGHT went responsive
nonsquared
100
6.2k
Transcript
Web Components HTML5 Conference 2018 @2018-11-25
aggre @aggre_ @aggre FRAME00, INC. CTO aggre.io
• Web Components (5min) • Web Components (5min) • Web
Components (10min) • Web Components (20min)
Web Components
Custom Elements Shadow DOM HTML Templates ES Modules
Custom Elements Shadow DOM HTML Templates ES Modules / Production-ready
Custom Elements Shadow DOM HTML Templates ES Modules Edge Developing
‼
IE
IE • Windows 10 Edge • Windows 7 2020 1
• Windows 8.1 ? Edge … App
None
Polyfills IE, Edge
Polyfills IE, Edge Shadow DOM
• / Polyfills OK • Edge , IE 2020 Polyfills
Web Components
• Custom Elements • Shadow DOM • HTML Templates •
HTML Imports
• Custom Elements • Shadow DOM • ES Modules
• Custom Elements • Shadow DOM • HTML Templates •
HTML Imports • Custom Elements • Shadow DOM • ES Modules
None
HTML
HTML
Custom Elements
Custom Elements
None
Custom Elements Shadow DOM ES Modules
Custom Elements Shadow DOM ES Modules Custom Elements Shadow DOM
DOM
Custom Elements
None
None
DOM createElement()
DOM createElement()
None
None
None
destroy
observedAttributes DOM
observedAttributes DOM
iframe adoptNode() ownerDocument
iframe adoptNode() ownerDocument
Shadow DOM
DOM
CSS
Shadow DOM
None
Shadow DOM
<slot>
<slot> Shadow DOM slot slot
None
slot
None
Shadow DOM slot
• Custom Elements • • Shadow DOM DOM • slot
Shadow DOM
Web Components
• • • • SSR • more…
Web Components
None
size=large
Web Components
e.g. <iron-autogrow-textarea>
e.g. <pinch-zoom>
Web Components xxx-dnd … <drag-and-drop>
None
Web Components
e.g. React
e.g. React Shadow DOM React render
• Web Components • React, Angular, Vue… • • •
:
SSR Shadow DOM slot Hydrate SSR
HTML
shadowRoot <slot> render shadowRoot
shadowRoot <slot> render shadowRoot slot
shadowRoot <slot> render shadowRoot Hydrate
shadowRoot <slot> render shadowRoot SSR
• Custom Elements • Shadow DOM, slot • •
Web Components
…
None
Web Components
• • lit-html • Web Components • lit-html Web Components
• lit-element • Angular/Vue
• lit-html • lit-html Web Components • lit-element • Angular/Vue
• lit-html • lit-html Web Components • lit-element • Angular/Vue
Web Components
• lit-html • lit-html Web Components • lit-element • Angular/Vue
FW FW Web Components
• lit-html • lit-html Web Components • lit-element • Angular/Vue
( )
None
• • innerHTML addEventListener DOM API •
lit-html ( lit-html )
None
lit-html
lit-html
lit-html html, render directive 3 API
lit-html Tagged Templates
lit-html HTML
lit-html HTML DOM DOM
lit-html DOM
lit-html textContent <p>
@Event
?attribute
.property DOM
Intellisense for lit-html typescript-lit-html-plugin, vscode-lit-html
lit-html • lit-html • Intellisense • Web Components • …
• lit-html • lit-element
lit-element
None
None
lit-html React.Component
lit-element • TypeScript Native • lit-html • Web Components •
@property({type: X}) • • lit-html .property
lit-html
None
None
lit-html
None
<header>
<nav>
<article>
<footer>
JSX lit-html
RxJS
fit-html Redux + lit-html
Directive API
Directive API 1
Directive API 0 -1
Directive API directive
Directive API
Directive API render
lit-html • TypeScript Native • JSX • Directive API •
• Vue/Angular HTML React
appendix
lit-html, hyperHTML, htm Tagged Templates
lit-html
hyperHTML
hyperHTML bind() DOM
hyperHTML wire()
htm
htm htm ( preact )
htm JSX
htm …
lit-html hyperHTML htm • (HTML Template Instantiation) • PolymerLabs/template-instantiation •
Directive API • ES5 • Node.js • Tagged Templates JSX • preact vhtml developit/ WebReflection/ Polymer/
( TypeScript Native lit-html )
• lit-element Web Components • FP lit-html ( )
• / Polyfills OK • Edge , IE 2020 Polyfills
• Custom Elements • Shadow DOM DOM • slot Shadow DOM • • • lit-element Web Components • FP lit-html
Thank you! @aggre_ @aggre aggre.io