CODEWITHSUNDEEP
javascriptjsonclass
demo
demo

Reputation: 169

JSON.stringify() not working on an object with class

I have this object:

{
   exports: class y {}
}

Now I'm doing JSON.stringify on it:

JSON.stringify({
    exports: class y {}
})

But it returns an empty object... What did I do wrong? Thanks

Upvotes: 0

Views: 628

Answers (1)

adz5A
adz5A

Reputation: 2032

a class is actually a function without a [[call]] internal property. This type does not have a representation in JSON, hence the result you see. You can try to JSON.stringify objects containing function to see the same result.

As a rule of thumb you should never try to store code as data in JS. Storing code is hard and requires you to store lots of information about the code but also about the state of the environment. Look at babel and its api as an example of manipulating code as data.

Upvotes: 3

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