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
reactjs intro
Search
Matthias Le Brun
December 09, 2014
2
540
reactjs intro
Matthias Le Brun
December 09, 2014
Tweet
Share
More Decks by Matthias Le Brun
See All by Matthias Le Brun
(why the hell did I) build a GraphQL client for the browser
bloodyowl
0
23
Boxed: bringing algebraic types to TypeScript
bloodyowl
0
66
leveraging (algebraic data) types to make your UI rock @ jsheroes
bloodyowl
0
260
Leveraging (algebraic data) types to make your UI rock solid
bloodyowl
0
370
La drôle d'histoire de JavaScript
bloodyowl
0
330
Healthy Code Collaboration
bloodyowl
0
240
Simplify your UI management with (algebraic data) types
bloodyowl
0
780
Simplify your UI management with (algebraic data) types
bloodyowl
1
500
Migrating a large Reason+React codebase to hooks
bloodyowl
0
520
Featured
See All Featured
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
4
380
Visualization
eitanlees
146
15k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
134
33k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Building a Scalable Design System with Sketch
lauravandoore
461
33k
Build The Right Thing And Hit Your Dates
maggiecrowley
34
2.5k
The Invisible Side of Design
smashingmag
299
50k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
7
660
Agile that works and the tools we love
rasmusluckow
328
21k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
115
51k
Building a Modern Day E-commerce SEO Strategy
aleyda
38
7.1k
RailsConf 2023
tenderlove
29
1k
Transcript
None
REACTJS
COMMENT SIMPLIFIER LA CONCEPTION DE L'UI ?
RAPPELLE TOI AVANT XHR
Client Serveur
Client Serveur
Client Serveur
Client Serveur
DATA RENDER
DATA RENDER DOM STATE DATA-BINDING ENLEVER LES VUES NON-ACTIVES RAJOUTER
LES VUES
DATA RENDER DOM STATE DATA-BINDING ENLEVER LES VUES NON-ACTIVES RAJOUTER
LES VUES
RE-RENDER ALL THE THINGS
render() { return (
<h1>hello {this.props.name}</h1> ) }
render() { return (
<h1>hello {this.props.name}</h1> ) }
DÉCRIRE LE COMPOSANT À TOUT MOMENT
TOUT EST UN COMPOSANT
1 17
1 18 <CommentList />
1 19 <CommentList /> <Comment />
JSX JAVASCRIPT XML
1 21 <div className="wtf"></div>
1 22 React.createElement("div", {className:"wtf"})
BONUS ES6 FLOW
API
ng-repeat="friend in friends | filter:searchText"
WTF
TOUTES LES FEATURES DE JAVASCRIPT DANS LE TEMPLATE
GETTERS : .css(propertyName) .css(propertyNames) SETTERS : .css(propertyName, value) .css(propertyName, func)
.css(properties)
LELNOPE
EXPLICITE >>> *
1 31 React.render(<Component />, node) React.renderToString(<Component />,
node) React.renderToStaticMarkup(<Component />, node)
LIFECYCLE 32 componentWillMount componentDidMount componentWillUnmount
LIFECYCLE 33 shouldComponentUpdate componentWillUpdate componentDidUpdate componentWillReceiveProps
STATE 34 getInitialState() {} setState({}) replaceState({})
DEFAULTS 35 getDefaultProps() {}
COMPOSITION 36 mixins : [ {
componentDidMount() { console.log("foo") } } ]
1 37 var React = require("react/addons") var Comment =
require("components/comment") var CommentList = React.createClass({ propTypes : { comments : React.PropTypes.arrayOf(React.PropTypes.object).isRequired }, render() { return ( <div className="CommentList"> {this.props.comments.map((item) => <Comment item={item} key={item.id}/>)} </div> ) } }) module.exports = CommentList
1 38 var React var Comment
var CommentList propTypes comments }, render() { { ) } }) module React.createClass
1 39 var React var Comment
var CommentList propTypes comments }, render() { { ) } }) module propTypes : { comments : React.PropTypes.arrayOf(React.PropTypes.object).isRequired },
1 40 var React var Comment
var CommentList propTypes comments }, render() { { ) } }) module {this.props.comments.map((item) => <Comment item={item} key={item.id}/>)}
1 41 var React var Comment
var CommentList propTypes comments }, render() { { ) } }) module {this.props.comments.map((item) => <Comment item={item} key={item.id}/>)} var Comment = require("components/comment")
1 42 var React = require("react/addons") var Author =
require("components/author") var Comment = React.createClass({ propTypes : { item : React.PropTypes.shape({ id : React.PropTypes.string.isRequired, message : React.PropTypes.string, author : React.PropTypes.object }) }, render() { return ( <div className="CommentList-‐item Comment"> <Author author={this.props.author} /> <div className="Comment-‐message" dangerouslySetInnerHTML={{__html : this.props.message}}/> </div> ) } }) module.exports = Comment
1 43 var React var Author
var Comment propTypes item id message author }) }, render() { className ) } }) module propTypes : { item : React.PropTypes.shape({ id : React.PropTypes.string.isRequired, message : React.PropTypes.string, author : React.PropTypes.object }) },
1 44 var React var Author
var Comment propTypes item id message author }) }, render() { className ) } }) module <Author author={this.props.author} />
1 45 var React var Author
var Comment propTypes item id message author }) }, render() { className ) } }) module dangerouslySetInnerHTML={{__html : this.props.message}}
DOM EVENTS
1 47 <div onClick={this.methodName} /> <div onClickCapture={this.methodName} />
1 48 <div onClick={this.methodName} /> <div onClickCapture={this.methodName} /> AUTOBINDING!
PERFORMANCE
VIRTUAL DOM
<CommentList /> <Comment /> <Comment /> <Author /> <Author />
<CommentList /> <Comment /> <Comment /> <Author /> <Author />
<CommentList /> <Comment /> <Comment /> <Author /> <Author />
<CommentList /> <Comment /> <Author />
OBJECT POOLING
IMMUTABILITY
1 57 shouldComponentUpdate(nextProps, nextState) { return this.props.id !==
nextProps.id }
FRAMEWORK? BIBLIOTHÈQUE
0 225 450 675 900 ANGULAR COURBE D'APPRENTISSAGE
0 25 50 75 100 REACTJS COURBE D'APPRENTISSAGE
RÉCAP
RE-RENDER ALL THE THINGS COMPONENTS EVERYWHERE API EXPLICITE >>>> *
MERCI Matthias Le Brun lead front-end
[email protected]