use stringify-object instead of JSON.stringify

[tanhauhau]

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R: @jeffposnick @philipwalton

Fixes #1761

• use stringify-object instead of JSON.stringify

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[tanhauhau]

I signed it!

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[jeffposnick]

Thanks a ton for the PR! I'm going to switch the base so that this goes against the next branch, which will be used for the upcoming v4.0.0 release.

[jeffposnick]

Thanks for the contribution!

[tanhauhau]

you are welcome