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GibboK - Pattern OLOO applied to object serialization and deserialization
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(function (window) { | |
// example of OLOO pattern applied to object se serialization and deserialization | |
var dataApi = '{"id":0,"top":10,"left":20,"width":100,"height":150}'; | |
var state = JSON.parse(dataApi); | |
var base = { | |
init: function (data) { | |
var _data = data; // private | |
// defined on object itself not on its protoype | |
Object.defineProperty(this, 'id', { | |
get: function () { | |
return _data.id; | |
}, | |
set: function (value) { | |
_data.id = value; | |
} | |
}); | |
Object.defineProperty(this, 'top', { | |
get: function () { | |
return _data.top; | |
}, | |
set: function (value) { | |
_data.top = value; | |
} | |
}); | |
Object.defineProperty(this, 'left', { | |
get: function () { | |
return _data.left; | |
}, | |
set: function (value) { | |
_data.left = value; | |
} | |
}); | |
Object.defineProperty(this, 'width', { | |
get: function () { | |
return _data.width; | |
}, | |
set: function (value) { | |
_data.width = value; | |
} | |
}); | |
Object.defineProperty(this, 'height', { | |
get: function () { | |
return _data.height; | |
}, | |
set: function (value) { | |
_data.height = value; | |
} | |
}); | |
this.toJson = function () { | |
return JSON.stringify(_data); | |
} | |
}, | |
// defined on protoype | |
fromJson: function (json) { | |
var data = JSON.parse(json), | |
obj = Object.create(this); | |
obj.init(data); | |
return obj; | |
} | |
}; | |
// create object with linked prototype using deserialization | |
var wdgA = base.fromJson(dataApi); | |
console.log(wdgA); | |
// serialize object | |
var str = wdgA.toJson(); | |
console.log(str); | |
// create object with data injection | |
var wdgB = Object.create(base); | |
wdgB.init(state); | |
var id = wdgB.id; | |
console.log(id); | |
})(window); |
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