JS: Serializing an object with methods (or an instance) to json/string without losing the methods

Question

Bumped into this while trying to cache objects into localstorage. seems that localstorage currently doesn't support objects with methods/object Instances etc. just POJO that are serialized into a string. In python there's pickle that can handle this (or marshal before it) but I couldn't find a js equivalent. Since I guess I'm not the first Js dev to need this feature I guess there are already proven solutions (either in patterns or external libs) to this problem which I'm missing.

Basically I'm looking for a way to call serialize(object) into a json/string and later deSerialize(objString) that would return the original object/instance etc.

The answer can be some lib and doesn't have to be part of the js standard library.

Scimonster · Accepted Answer · 2014-01-13 07:47:07Z

2

I use JSONfn do that. It has its own stringify/parse methods that save functions as well as ordinary JSON data.

answered Jan 13, 2014 at 7:47

Scimonster

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2 Comments

alonisser Over a year ago

can it handle an instance? or just an object?

Scimonster Over a year ago

It can handle any object with properties and methods. Check out the documentation. :)

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