feat(core,utils): abortable atom

[dai-shi]

ref: https://twitter.com/dai_shi/status/1513173028674617350

core doesn't depend on AbortController, only the one in utils does.

• [x] impl
• [ ] tests (does it work if an error is thrown?)
• [ ] docs

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Size Change: +990 B (+1%)

Total Size: 146 kB

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[incepter]

I may help with cancellations, but i ll need first to know how the repo and internals of jotai work.

If there is any document describing them somehwere ? thanks in advance.

[dai-shi]

I'm sure you already visited https://jotai.org. That covers mostly. Some comments in source code may help, but it will still require the understanding of public API first.

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