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
Creating Reusable Polymer Elements
Search
Addy Osmani
August 11, 2014
Programming
45
2.2k
Creating Reusable Polymer Elements
In this talk, you'll learn how to create your own reusable elements using Polymer.
Addy Osmani
August 11, 2014
Tweet
Share
More Decks by Addy Osmani
See All by Addy Osmani
Leading Effective Engineering Teams in the AI Era
addyosmani
7
510
Context Engineering - Making Every Token Count
addyosmani
7
270
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
9
920
The Cost Of JavaScript in 2023
addyosmani
55
9k
Communicating Effectively As A Tech Lead
addyosmani
5
5k
The Future Of Performance Tooling
addyosmani
3
870
Picture Perfect - How To Instantly Load Images
addyosmani
4
770
Polyfilling The Web Forward
addyosmani
3
560
Picture Perfect - An Image Optimization Talk
addyosmani
2
780
Other Decks in Programming
See All in Programming
3年ぶりにコードを書いた元CTOが Claude Codeと30分でMVPを作った話
maikokojima
0
600
スマホから Youtube Shortsを見られないようにする
lemolatoon
27
33k
CSC305 Lecture 06
javiergs
PRO
0
260
組込みだけじゃない!TinyGo で始める無料クラウド開発入門
otakakot
1
340
アメ車でサンノゼを走ってきたよ!
s_shimotori
0
230
Go言語はstack overflowの夢を見るか?
logica0419
0
500
Catch Up: Go Style Guide Update
andpad
0
240
Building, Deploying, and Monitoring Ruby Web Applications with Falcon (Kaigi on Rails 2025)
ioquatix
4
2.4k
What's new in Spring Modulith?
olivergierke
1
160
What Spring Developers Should Know About Jakarta EE
ivargrimstad
0
340
Cursorハンズオン実践!
eltociear
2
1.2k
Range on Rails ―「多重範囲型」という新たな選択肢が、複雑ロジックを劇的にシンプルにしたワケ
rizap_tech
0
6.7k
Featured
See All Featured
How GitHub (no longer) Works
holman
315
140k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
How to Ace a Technical Interview
jacobian
280
24k
Optimising Largest Contentful Paint
csswizardry
37
3.5k
Scaling GitHub
holman
463
140k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
jQuery: Nuts, Bolts and Bling
dougneiner
65
7.9k
Designing Experiences People Love
moore
142
24k
Testing 201, or: Great Expectations
jmmastey
45
7.7k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
190
55k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
Transcript
Polymer Google Developer Group Hackathon.
Creating Reusable Elements +AddyOsmani @addyosmani
Apps should be composed of reusable, responsive & testable elements.
Examples
Bad Reusable <google-map>
Bad Reusable <core-toolbar>
Not
Not
None
<awesome-element> Today you might write an
Element Docs Tests
Element Create a component we’ve all written before.
Tabs http://drbl.in/bAsu http://drbl.in/esYL
None
None
None
None
PILE ON THE JAVASCRIPT
https://www.flickr.com/photos/ darkismus/4179361946
https://www.flickr.com/photos/ goodspeed/2669719176
http://goo.gl/lKk7iT
Tabs using web components
! <my-tabs> <my-tab>Tab 1</my-tab> <my-tab>Tab 2</my-tab> <my-tab>Tab 3</my-tab> </my-tabs> HTML
None
None
! <paper-tabs selected=“0”> <paper-tab>Tab 1</paper-tab> <paper-tab>Tab 2</paper-tab> <paper-tab>Tab 3</paper-tab> </paper-tabs>
HTML
Building a tabs element
None
None
None
Start with <seed-element> github.com/PolymerLabs/seed-element
None
Download Boilerplate
/development /seed-element /tests .bowerrc bower.json demo.html index.html README.md seed-element.css seed-element.html
Unzip it locally Workspace Element
/development /seed-element /tests .bowerrc bower.json demo.html index.html README.md seed-element.css seed-element.html
Boilerplate files Rename for my-tabs
/development /my-tabs /tests .bowerrc bower.json demo.html index.html README.md my-tabs.css my-tabs.html
Renamed files
bower.io
$ npm install -g bower Terminal
$ npm install -g bower ! npm http GET https://registry.npmjs.org/bower
npm http 200 https://registry.npmjs.org/bower npm http GET https://registry.npmjs.org/bower/-/bower-1.3.3.tgz npm http 200 https://registry.npmjs.org/bower/-/bower-1.3.3.tgz npm http GET https://registry.npmjs.org/bower-endpoint-parser npm http GET https://registry.npmjs.org/bower-json npm http GET https://registry.npmjs.org/bower-config npm http GET https://registry.npmjs.org/bower-logger npm http GET https://registry.npmjs.org/bower-registry-client npm http GET https://registry.npmjs.org/insight … Terminal
~/development/my-tabs $ bower install Terminal
~/development/ $ ls ! core-action-icons core-component-page my-tabs platform polymer chai
mocha Terminal
~/development/ $ ls ! core-action-icons core-component-page my-tabs platform polymer chai
mocha Terminal Avoids nested dependency trees my-tabs / bower_components my-toolbar / bower_components my-button / bower_components
! <link rel="import" href="../polymer/polymer.html"> ! <polymer-element name="seed-element" attributes=“notitle author"> !
<template> <link href="seed-element.css" rel="stylesheet" /> </template> ! <script> Polymer(‘seed-element’, {…}); </script> </polymer-element> my-tabs.html
! <link rel="import" href="../polymer/polymer.html"> ! <polymer-element name="seed-element" noscript> ! <template>
<link href="seed-element.css" rel="stylesheet" /> </template> ! </polymer-element> my-tabs.html noscript if not using JS
RE-USING ELEMENTS
polymer-project.org/docs/elements/
http://polymer.github.io/core-docs/ #core-selector
http://polymer.github.io/core-docs/ #core-selector
http://polymer.github.io/core-docs/ #core-selector
! $ bower install Polymer/core-selector —save Terminal
! $ bower install Polymer/core-selector —save ! bower cached git://github.com/Polymer/core-selector.git#0.3.0
bower validate 0.3.0 against git://github.com/Polymer/core-selector.git#* bower not-cached git://github.com/Polymer/core-selection.git#>=0.3.0 <1.0.0 bower resolve git://github.com/Polymer/core-selection.git#>=0.3.0 <1.0.0 bower not-cached git://github.com/Polymer/polymer.git#>=0.3.0 <1.0.0 bower resolve git://github.com/Polymer/polymer.git#>=0.3.0 <1.0.0 Terminal
! <link rel="import" href="../polymer/polymer.html"> <link rel="import" href="../core-selector/core-selector.html"> ! ! <!--
Element providing solution to no problem in particular. ! ##### Example ! <my-tabs></my-tabs> my-tabs.html
! <polymer-element name="my-tabs" extends="core-selector" noscript> ! <template> ! <link href="my-tabs.css"
rel="stylesheet" /> <content></content> ! </template> ! </polymer-element> my-tabs.html
! <polymer-element name="my-tabs" extends="core-selector" noscript> ! <template> ! <link href="my-tabs.css"
rel="stylesheet" /> ! </template> ! </polymer-element> my-tabs.html
:host { font-family: ‘Roboto’, ‘Arial’, sans-serif; } ! polyfill-next-selector {
content: ':host > .core-selected'; } ::content > .core-selected { background: #5599FF; color: white; } ! polyfill-next-selector { content: ':host > *'; } ::content > * { min-width: 60px; height: 60px; line-height: 60px; text-align: center; padding: 0 8px; font-size: 14px; color: #999; } my-tabs.css
! <my-tabs selected=“0”> <span>Tab 1</span> <span>Tab 2</span> <span>Tab 3</span> </my-tabs>
Ideal usage
! <my-tabs selected=“0”> <span>Tab 1</span> <span>Tab 2</span> <span>Tab 3</span> </my-tabs>
Ideal usage
! <polymer-element name="my-tabs" extends="core-selector" noscript> ! <template> ! <link href="my-tabs.css"
rel="stylesheet" /> <div horizontal layout> <shadow></shadow> </div> </template> ! </polymer-element> my-tabs.html
<html> <head> <title>my-tabs Demo</title> <script src="../platform/platform.js"></script> <link rel="import" href=“my-tabs.html"> !
</head> <body unresolved> ! <my-tabs></my-tabs> ! </body> </html> demo.html
<html> <head> ... </head> <body unresolved> ! <my-tabs selected=“0”> <span>One</span>
<span>Two</span> <span>Three</span> </my-tabs> ! </body> </html> demo.html
<html> <head> ... </head> <body unresolved> ! <my-tabs selected=“0”> <span>One</span>
<span>Two</span> <span>Three</span> </my-tabs> ! </body> </html> demo.html selected=“0” selects the first tab
! $ python -m SimpleHTTPServer 8000 Terminal
None
None
Deployment
ELEMENTS CAN BE SHARED
None
None
Push <my-tabs> to master!
Push docs, demos, landing page to gh-pages! Next
~/development/my-tabs $ cd .. Terminal
$ mkdir temp && cd temp Terminal
$ git clone git://github.com/Polymer/tools.git ! Cloning into 'tools'... remote: Reusing
existing pack: 1201, done. remote: Total 1201 (delta 0), reused 0 (delta 0) Receiving objects: 100% (1201/1201), 834.45 KiB | 277.00 KiB/s, done. Resolving deltas: 100% (476/476), done. Checking connectivity... done. ! ! Terminal
$ ./tools/bin/gp.sh <username> my-tabs Terminal
http://bit.ly/NZmXRP
http://addyosmani.github.io/my-tabs
None
None
None
None
Docs Automatically scraped and generated from source.
None
None
None
None
https://www.flickr.com/photos/ bensutherland/2274353620
Tests Unit testing your elements
None
! var myEl = document.querySelector('seed-element'); assert.equal(myEl.author, 'Dimitri Glazkov'); Test properties
! var hello = myEl.sayHello(); assert.equal(hello, 'seed-element says, Hello World!');
! var greetings = myEl.sayHello('greetings Earthlings'); assert.equal(greetings, 'seed-element says, greetings Earthlings'); Test methods
! myEl.addEventListener('seed-element-lasers-success', function(event) { ! assert.equal(event.detail.sound, 'Pew pew pew!'); done();
}); ! myEl.fireLasers(); Test events
None
Elements ! Docs ! Tests !
None
GO COMPONENTIZE THE WEB TODAY
Thank you! #componentizetheweb +AddyOsmani @addyosmani
<seed-element> github.com/PolymerLabs/seed-element