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
Criando aplicações componentizadas com Polymer
Search
Felipe Sousa
May 16, 2017
Programming
0
340
Criando aplicações componentizadas com Polymer
Slides da palestra completa que aconteceu no CEJS 2017 em Fortaleza, no dia 13 de Maio de 2017.
Felipe Sousa
May 16, 2017
Tweet
Share
More Decks by Felipe Sousa
See All by Felipe Sousa
DevFest Santiago 2019 - Progressive Web Apps Done Right
felipesousa
0
320
Shared web-components with StencilJS
felipesousa
0
500
Progressive Web Apps Done Right
felipesousa
1
600
Criando aplicações componentizadas com Polymer - C4P CEJS 2017
felipesousa
1
250
Criando Aplicações Componentizadas com Polymer
felipesousa
0
130
Uma introdução a Angular 2
felipesousa
2
400
Other Decks in Programming
See All in Programming
Blazing Fast UI Development with Compose Hot Reload (droidcon New York 2025)
zsmb
1
280
Google Agent Development Kit でLINE Botを作ってみた
ymd65536
2
220
プロダクト志向なエンジニアがもう一歩先の価値を目指すために意識したこと
nealle
0
130
ペアプロ × 生成AI 現場での実践と課題について / generative-ai-in-pair-programming
codmoninc
1
14k
Select API from Kotlin Coroutine
jmatsu
1
230
スタートアップの急成長を支えるプラットフォームエンジニアリングと組織戦略
sutochin26
0
4.1k
XP, Testing and ninja testing
m_seki
3
230
A full stack side project webapp all in Kotlin (KotlinConf 2025)
dankim
0
100
PicoRuby on Rails
makicamel
2
120
NPOでのDevinの活用
codeforeveryone
0
790
今ならAmazon ECSのサービス間通信をどう選ぶか / Selection of ECS Interservice Communication 2025
tkikuc
21
3.9k
dbt民主化とLLMによる開発ブースト ~ AI Readyな分析サイクルを目指して ~
yoshyum
3
780
Featured
See All Featured
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Site-Speed That Sticks
csswizardry
10
680
Building Applications with DynamoDB
mza
95
6.5k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Code Reviewing Like a Champion
maltzj
524
40k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.8k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.8k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
22k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Art, The Web, and Tiny UX
lynnandtonic
299
21k
Optimising Largest Contentful Paint
csswizardry
37
3.3k
Facilitating Awesome Meetings
lara
54
6.4k
Transcript
Criando aplicações componentizadas com Polymer #cejs17
Felipe Sousa Front End Developer GDG Fortaleza
None
None
None
Aplicação
O que é o Polymer?
Polymer is a JavaScript library that helps you create custom
reusable HTML elements, and use them to build performant, maintainable apps.
O que de ‘novo’ ele traz?
Our mission is to make life better for users and
developers, by helping developers unlock the web platform’s full potential and by spurring the web platform to evolve and improve.
#USETHEPLATFORM
Web Components
Shadow-dom Method of establishing and maintaining functional boundaries between DOM
subtrees and how these subtrees interact with each other within a document tree.
None
Isolated DOM Scoped CSS Simplifies CSS Productivity
const header = document.createElement('header'); const shadowRoot = header.attachShadow({mode: 'open'}); shadowRoot.innerHTML
= '<h1>Hello Shadow DOM</h1>';
Custom Elements Method for create and use new types of
DOM elements in a document.
Create Scope Atributes Life-cycles Callbacks
<flag-icon country=“br”> </flag-icon>
class FlagIcon extends HTMLElement { constructor() { super(); this._countryCode =
null; } static get observedAttributes() { return ["country"]; } attributeChangedCallback(name, oldValue, newValue) { this._countryCode = newValue; this._updateRendering(); } get country() { return this._countryCode; } set country(v) { this.setAttribute("country", v); } _updateRendering() { /* update the flag icon */ } }
customElements.define("flag-icon", FlagIcon);
extends HTMLElement {
class PlasticButton extends HTMLButtonElement { constructor() { super(); this.addEventListener("click", ()
=> { // do something }); } }
customElements.define("plastic-button", PlasticButton, { extends: "button" });
<button is="plastic-button">Click Me!</button>
Imports Include and reuse HTML documents in other HTML documents.
<?php require("file.php"); ?>
<link rel=“import” href=“file.html”>
Templates Method for declaring inert DOM subtrees in HTML and
manipulating them to instantiate document fragments with identical contents
<template> <!--your content here--> </template>
Cool, but…
None
Custom Elements v1 Shadow DOM v1 ES6 2 1
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a personal component! </h1> </template> <script> Polymer({ is: “my-personal-component” }); </script> </dom-module>
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a personal component! </h1> </template> <script> Polymer({ is: “my-personal-component” }); </script> </dom-module> Imports
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a personal component! </h1> </template> <script> Polymer({ is: “my-personal-component” }); </script> </dom-module> Custom Elements
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a personal component! </h1> </template> <script> Polymer({ is: “my-personal-component” }); </script> </dom-module> Templates
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a personal component! </h1> </template> <script> Polymer({ is: “my-personal-component” }); </script> </dom-module> Component!
<link rel=“import” href=“../polymer/polymer.html”> <dom-module id="my-personal-component"> <template> <style> :host { …
} </style> <h1> Hello! I’m a component! </h1> </template> <script> </script> </dom-module> Component! - Polymer 2.0 class DomElement extends Polymer.Element { static get is() { return “my-personal-component”; } } customElements.define(DomElement.is, DomElement);
Everything is a component!
None
Widgets! Web-components pode ser a solução perfeita para widgets.
None
<link rel="import" href=“components/google-map/google-map.html”> <google-map latitude="37.790" longitude="-122.390"></google-map>
None
Aplicações?
• UI • Properties, variables • Binds • Events/Listeners •
Routes • Requests • Performance • Accessibility • Tests
Progressive Web Apps?! • Offline App • Instalable web app
• …
UI Definition
HTML e CSS
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,
minimum-scale=1, initial-scale=1, user-scalable=yes"> <title>Document Title</title> <meta name="description" content="space description"> <link rel="manifest" href="/manifest.json"> <script> window.Polymer = { dom: 'shadow' } </script> <script src="/bower_components/webcomponentsjs/webcomponents.js"></script> <link rel="import" href="my-app.html"> </head> <body> <my-app></my-app> </body> </html> polyfill
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <!-- Your content here --> </template> <script> Polymer({ is: "my-component" }); </script> </dom-module>
Material Design Concept
None
None
None
None
Paper Elements
<paper-tabs selected="0"> <paper-tab>ITEM ONE</paper-tab> <paper-tab>ITEM TWO</paper-tab> <paper-tab>ITEM THREE</paper-tab> </paper-tabs>
App Layout
Header Toolbar Icons
Drawer Menu
Properties, Binds and Methods
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <!-- Your content here --> </template> <script> Polymer({ is: "my-component", properties: { propertie_name: { type: property_type, value: property_value } } }); </script> </dom-module>
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <h1>[[property_name]]</h1> </template> <script> Polymer({ is: "my-component", properties: { propertie_name: { type: property_type, value: property_value } } }); </script> </dom-module>
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <h1>{{property_name}}</h1> </template> <script> Polymer({ is: "my-component", properties: { propertie_name: { type: property_type, value: property_value } } }); </script> </dom-module>
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <h1>{{property_name}}</h1> <input type=“text” value=“{{property_name::input}}”> </template> <script> Polymer({ is: "my-component", properties: { propertie_name: { type: property_type, value: property_value } } }); </script> </dom-module>
<link rel="import" href="bower_components/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { /*your
css here*/ } </style> <button on-click=“my_method”>Click here</button> </template> <script> Polymer({ is: "my-component", my_method: function () { // do something } }); </script> </dom-module>
Life-cycle Events
- created - ready - attached - detached - attributeChanged
Data flow, Custom Events and Listeners.
<my-element> events properties
<link rel="import" href="/polymer/polymer.html"> <link rel="import" href="./my-second-component.html"> <dom-module id="my-component"> <template> <style>
:host { display: block; } </style> <my-second-component name="name_property"> </my-second-component> </template> <script> Polymer({ is: "my-component", properties: { name_property: { type: String, value: "CEJS" } } }); </script> </dom-module>
<link rel="import" href="/polymer/polymer.html"> <dom-module id=“my-second-component”> <template> <style> :host { display:
block; } </style> <p> [[name]] </p> // “CEJS” </template> <script> Polymer({ is: "my-second-component", properties: { name: { type: String, value: "" } } }); </script> </dom-module>
this.fire("custom_event", { // content event })
<link rel="import" href="/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { display:
block; } </style> <button on-click=“my_method”>click here</button> </template> <script> Polymer({ is: "my-component", my_method: function () { this.fire("custom_event", { // your data here }) } }); </script> </dom-module>
<link rel="import" href="/polymer/polymer.html"> <dom-module id="my-component"> <template> <style> :host { display:
block; } </style> <!-- your content here --> </template> <script> Polymer({ is: "my-component", listeners: { "custom_event": "listen_custom_event" }, listen_custom_event: function (e) { console.log(e.detail); // contain detail os method. } }); </script> </dom-module>
Route
/home /about
<app-route>
1. Captura do estado/url
<app-location>
URL BAR YOUR APP
http://url.com/#/home <app-location route="{{route}}" use-hash-as-path> </app-location>
<app-route>
App location Response Padrão da rota Dados da Rota Dados
da Sub-rota <app-route route="{{route}}" pattern="/:page" data="{{_data}}" tail="{{_tail}}"> </app-route>
/home/list {{_data}} = “home” {{_tail}} = “list”
/home/list/all {{_data}} = “home” {{_tail}} = “/list/all
2. Show/hide Component
<iron-pages>
Drawer Menu pages content
<iron-pages> <home-app></home-app> <curiosities-app></curiosities-app> <favorites-app></favorites-app> <about-app></about-app> </iron-pages>
<iron-pages selected="{{_data.page}}"> <home-app></home-app> <curiosities-app></curiosities-app> <favorites-app></favorites-app> <about-app></about-app> </iron-pages>
<iron-pages selected="{{_data.page}}" attr-for-selected="name"> <home-app></home-app> <curiosities-app></curiosities-app> <favorites-app></favorites-app> <about-app></about-app> </iron-pages>
<iron-pages selected="{{_data.page}}" attr-for-selected="name"> <home-app name="home"></home-app> <curiosities-app name="curiosities"></curiosities-app> <favorites-app name="favorites"></favorites-app> <about-app
name="about"></about-app> </iron-pages>
<iron-pages selected="{{_data.page}}" attr-for-selected="name"> <home-app name="home" route="_tail"></home-app> <curiosities-app name="curiosities" route="_tail"></curiosities-app> <favorites-app
name="favorites" route="_tail"></favorites-app> <about-app name="about" route="_tail"></about-app> </iron-pages>
<iron-pages selected="{{_data.page}}" attr-for-selected="name" selected- attribute="visible" fallback-selection="404"> <home-app name="home" route="_tail"></home-app> <curiosities-app
name="curiosities" route="_tail"></curiosities-app> <favorites-app name="favorites" route="_tail"></favorites-app> <about-app name="about" route=“_tail"></about-app> <404—app name="404"></404-app> </iron-pages>
Request
R.E.Q.U.E.S.T via HTML!
<iron-ajax>
<iron-ajax id="requestRepos" url="your.api.com/planets" params='{"type":"all"}' handle-as="json" on-response="handleResponse" last-response="{{dataResponse}}"> </iron-ajax>
<template is="dom-repeat" items="dataResponse" as="planet"> <h1>[[planet.name]]</h1> <p>[[planet.description]]</p> </template>
Utils
<template is=“dom-repeat” items=“{{yourdata}} as=“alias” > <p> [[alias.name]] </p> <span> [[alias.age]]
</span> </template>
<template is=“dom-if” if=“{{yourCondition}}> // your conditional true here </template>
Example
> polymer-cli
None
webcomponents.org
None
speakerdeck.com/felipesousa
github.com/felipesousa twitter.com/felipz_sousa
None
THANK`S! #usetheplatform