Created
September 4, 2013 04:28
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constructor object that creates a proxy for a chain of declared
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/* jslint indent: 2 */ | |
var MyObject = function() { | |
}; | |
MyObject.prototype = Object.create(Object.prototype); | |
MyObject.prototype.noop = function() {}; | |
MyObject.prototype.snoop = function() { | |
return "hello patrick"; | |
}; | |
var Proxy = function(originalObjects) { | |
'use strict'; | |
originalObjects = Array.prototype.slice(arguments); | |
this.chain = originalObjects; | |
}; | |
Proxy.prototype = {}; | |
Proxy.prototype.send = function(message, args) { | |
'use strict'; | |
args = Array.prototype.slice.call(arguments).slice(1); | |
var exectuted = false; | |
var result; | |
this.chain.forEach(function(object) { | |
if (!executed && !_.isUndefined(object[message]) && _.isFunction(object[message])) { | |
exectuted = true; | |
result = object[message].apply(object, args); | |
} | |
}); | |
return result; | |
}; | |
Proxy.prototype.pantomime = function(name, fn) { | |
var self = this; | |
Object.defineProperty(this, name, { | |
get: fn | |
}); | |
}; | |
var myObject = new MyObject(); | |
myObject.firstName = 'Patrick'; | |
myObject.lastName = 'Stapleton'; | |
var proxyToProxy = new Proxy(myObject); | |
proxyToProxy.pantomime('fullName', function() { | |
return this.send('firstName') + this.send('lastName'); | |
}); | |
proxyToProxy.fullName //==> 'Patrick Stapleton' |
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