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Easily use composition to build Backbone object prototypes
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extendPrototypeFromArray = (protoConstructor) -> | |
_.wrap protoConstructor.extend, (cachedExtend, mixinArray, prototype) -> | |
if mixinArray instanceof Array | |
# Uses _.defaults so base object overrides anything being added | |
fullProto = _.defaults.apply _, [prototype].concat(mixinArray) | |
else | |
fullProto = mixinArray | |
cachedExtend.call @, fullProto | |
Backbone.Model.extend = extendPrototypeFromArray Backbone.Model | |
Backbone.Collection.extend = extendPrototypeFromArray Backbone.Collection | |
Backbone.Router.extend = extendPrototypeFromArray Backbone.Router | |
Backbone.View.extend = extendPrototypeFromArray Backbone.View |
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NewView = Backbone.Model.extend [ViewLogging, ViewSyncing], | |
el: '.view' | |
events: | |
'click .title': 'logIt' | |
'click .a': 'setA' | |
# This will produce the equivalent to: | |
# NewView = Backbone.Model.extend | |
# el: '.view' | |
# | |
# events: | |
# 'click .title': 'logIt' | |
# 'click .a': 'setA' | |
# | |
# logIt: -> | |
# console.log 'logged it' | |
# | |
# setA: -> | |
# @model.set | |
# a: 'a' | |
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ViewLogging = | |
logIt: -> | |
console.log 'logged it' |
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ViewSyncing = | |
setA: -> | |
@model.set | |
a: 'a' |
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