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Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Hi!
I'm Dominik Kundel!
Developer Evangelist at
! @dkundel
" dkundel@twilio.com
# github/dkundel
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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// Sending an SMS using the Twilio API
// Twilio Credentials
const accountSid = 'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';
const authToken = 'your_auth_token';
// require the Twilio module and create a REST client
const client = require('twilio')(accountSid, authToken);
client.messages
.create({
to: '+491571111111',
from: '+491572222222',
body: 'The Force will be with you. Always.'
})
.then(message => console.log(message.sid));
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Dominik Kundel | @dkundel | #webComponents #useThePlatform
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! "
Web Components?
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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What Are
Web Components?
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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The Web Components Specs...
• Custom Elements
• Shadow DOM
• HTML templates
• HTML imports
• (ES2015 modules)
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Custom Elements
Click Me
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Shadow DOM
h1 { color: red; border: 1px solid #f00; }
Hi I'm red!
#shadow-dom!" Can't touch this! #
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HTML Templates
Share
const tmpl = document.getElementById('myShareButton');
tmpl.content.querySelector('a').href = 'http: //some-url.com';
const clone = document.importNode(tmpl.content, true);
document.body.appendChild(clone);
Dominik Kundel | @dkundel | #webComponents #useThePlatform
Share
const tmpl = document.getElementById('myShareButton');
tmpl.content.querySelector('a').href = 'http: //some-url.com';
const clone = document.importNode(tmpl.content, true);
document.body.appendChild(clone);
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HTML Imports vs ES2015 modules
import { MyFancyButton } from ' ../my-fancy-button';
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Why Now?
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Components are everywhere!
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Why should we care?
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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We are doing UI components wrong!
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Option 1: The Bootstrap approach
Hello, world!
Hello, world!
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Option 1: The Bootstrap approach
Dominik Kundel | @dkundel | #webComponents #useThePlatform
Well done!
Aww yeah, you successfully read this important alert message
Whenever you need to, be sure to use margin utilities to keep things nice and tidy.
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Option 2: JS based UI components a'la Google
Maps / jQuery UI
var map;
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
center: {lat: -34.397, lng: 150.644},
zoom: 8
});
}
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Option 3: "Share button" style
(function(d, s, id) {
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;
js.src = 'https: //connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.12&appId=APP_ID&autoLogAppEvents=1';
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Option 3: "Share button" style
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Option 3: "Share button" style
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The Result?
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Wrapper Components!
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Native Components!
Pizza !
Döner "
No canvas #
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The dream !
One paragraph
Another paragraph
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The dream !
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Why should I care?
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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! "
Larger User Base
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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!
Provide Every Team in Your Company
With The Same Tools
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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! "
Better Developer Experience
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! "
Why Not Earlier?
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✅ ❌
Browser Support
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!
Very Low-Level API
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!
Extensible Web Manifesto
github.com/extensibleweb/manifesto
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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! Extensible Web Manifesto
• The standards process should focus on adding new low-level
capabilities to the web platform that are secure and efficient.
• The web platform should expose low-level capabilities that
explain existing features, such as HTML and CSS, allowing
authors to understand and replicate them.
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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! "
How The Web Sausage Gets Made
by Monica Dinculescu (@notwaldorf)
youtube.com/watch?v=326SIMmRjc8
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!
Tooling
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The Past
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Only a few...
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How is this better?
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Pick Your Favorite... !
and
Let Others Pick Theirs! !
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Let's build a Stencil Component!
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How do I use it in Angular?
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Wrap up
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Think about
Web Components
for any shared UI
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Web Components
won't limit
your framework choices
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Pick Your Favorite... !
and
Let Others Pick Theirs! !
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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webcomponents.org
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custom-elements-everywhere.com
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github.com/shprink/web-components-todo
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Resources
• ! d-k.im/webcomp-stencil
• " d-k.im/webcomp-ng-berlin
• webcomponents.org
• ✅ custom-elements-everywhere.com
• $% github.com/dkundel/webcomponents-by-example
• & github.com/shprink/web-components-todo
Dominik Kundel | @dkundel | #webComponents #useThePlatform
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Thank You!
! Dominik Kundel
" d-k.im/webcomp-ng-berlin
# @dkundel
$ dkundel@twilio.com
% github/dkundel
Dominik Kundel | @dkundel | #webComponents #useThePlatform