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Backbone to React
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Joel Burget
October 25, 2013
Programming
24
67k
Backbone to React
Talk given at Hack Reactor October 25, 2013
Joel Burget
October 25, 2013
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Transcript
None
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@dino_joel Joel Burget (@dinojoel was taken)
None
None
React + Backbone
React + Backbone (more)
React + Backbone (more)
jsx
/** @jsx React.DOM */ var HelloWorld = React.createClass({ render: function()
{ return <div> Hello World </div>; } }); jsx
WHAT. IS THAT? /** @jsx React.DOM */ var HelloWorld =
React.createClass({ render: function() { return <div> Hello World </div>; } }); jsx
Noise /** @jsx React.DOM */ jsx
<div>transform me</div> React.DOM.div({}, ‘transform me’) jsx
<div> <span>fst</span> <span>snd</span> </div> React.DOM.div({}, [React.DOM.span({}, ‘fst’), React.DOM.span({}, ‘snd’)] )
jsx
<div id=”transform”> transform me </div> React.DOM.div( {id: “transform”}, ‘transform me’
) jsx
var name = “HackReactor”; return <div> {name} </div>; var name
= “HackReactor”; return React.DOM.div( {}, name ); jsx
None
<i id=”emptyspan”></i>; (html) <span id=”emptyspan” />; jsx
React
React var CatImg = React.createClass({ render: function() { var imgsrc
= “catimg.com/” + this.props.name; return <img src={imgsrc} />; } }); React.renderComponent( <CatImg name="pewpewpew" />, mountNode);
React
var ClickMe = React.createClass({ render: function() { return <span onClick={this.handleClick}>
{this.state.clicked ? “clicked!” : “click me!”} </span>; }, getInitialState: function() { return { clicked: false }; }, handleClick: function() { this.setState({ clicked: true }); } }); React
React click me!
React clicked!
React + Backbone
React + Backbone var Clicker = Backbone.Model.extend({ defaults: { active:
false } });
React + Backbone var ClickMe2 = React.createClass({ mixins: [BackboneMixin], render:
function() { var clicker = this.props.clicker; var message = clicker.get(“active”) ? “clicked!” : “click me!”; return <span onClick={this.handleClick}> {message} </span>; }, handleClick: function() { this.props.clicker.toggle(“active”); }, getBackboneModels: function() { return [this.props.clicker]; } });
None
Tod MVC
React + Backbone ~300 lines
var Todo = Backbone.Model.extend({ ... }); var TodoList = Backbone.Collection.extend({
model: Todo ... }); React + Backbone
var TodoApp = React.createClass({ mixins: [BackboneMixin], render: function() { return
<div> <section id="todoapp"> <header id="header"> <h1>todos</h1> ... {todos} {footer} ... </div>; } }); React + Backbone
var TodoItem = React.createClass({ handleSubmit: function(event) { ... }, onEdit:
function(event) { ... }, render: function() { return <li> check title x </li>; } }); React + Backbone
None
React + Backbone events: { " 'keypress #new-todo': 'createOnEnter', "
'click #clear-completed': 'clearCompleted', " 'click #toggle-all': 'toggleAllComplete' }, ... this.listenTo(app.todos, 'add', this.addOne); this.listenTo(app.todos, 'reset', this.addAll); this.listenTo(app.todos, 'change:completed', this.filterOne); this.listenTo(app.todos, 'filter', this.filterAll); this.listenTo(app.todos, 'all', this.render); onSubmit onClick
React + Backbone $('#todo-list') .append(view.render().el); this.$('#todo-list').html(''); this.$input.val(''); this.$el.html( this.template( this.model.toJSON()));
this.$el.addClass('editing'); this.$el.removeClass('editing'); etc
None
Human
Human 24 devs & designers
Human jQuery Backbone {models, views} Handlebars (Ugh)
Human 23500 LOC 200 Components
Human 23500 LOC 200 Components Since June 3
facebook.github.io/react/ joelburget.com/backbone-to-react/
Thanks! Joel Burget - @dino_joel - Khan Academy