Feature: replace jsbn with native BigInt

[mahnunchik]

It would be nice to replace jsbn with native BigInt.

It is widely supported even in browsers https://caniuse.com/bigint

[beaugunderson]

I agree but we still use some methods of jsbn that will need to be implemented on top of BigInt… I may not get to it for some months so PRs would be very much appreciated :)

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[robmanganelly]

Please consider (when you are taking this step) also providing a proper implementation of toJSON that doesn't expose bigint. This is forcing consumers to implement themselves, because JSON.stringify cannot serialize bigints,
Curent implementation has this issue too.

Thanks for the great job guys

[silverwind]

Please consider (when you are taking this step) also providing a proper implementation of toJSON that doesn't expose bigint. This is forcing consumers to implement themselves, because JSON.stringify cannot serialize bigints, Curent implementation has this issue too.

Thanks for the great job guys

You can easily serialize BigInt into JSON with a replacer function:

JSON.stringify(obj, (_, v) => typeof v === 'bigint' ? v.toString() : v)

[robmanganelly]

Yes it can be done, but it means that you could inadvertently break something down the stream. It happened to me and I ended patching my serializer with a custom replacer, and it also happened on another project, which ended with a slightly different version of the replacer. This mean that the same class might have a different serialization in every project, which is not ideal IMHO. This is why added the recommendation, because that way you will ensure that the class gets serialized in the same way in every place, and can define your own rules for hydration, perhaps with static methods, or any other variant. ensuring consistency at the end of the day.