[Webkit-unassigned] [Bug 179001] [ESNext] Implement support for BigInt

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179001

Yusuke Suzuki <ysuzuki at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ysuzuki at apple.com

--- Comment #3 from Yusuke Suzuki <ysuzuki at apple.com> ---
(In reply to John Leidegren from comment #2)
> I would like to add to this that BigInts don't appear to work as keys in ES
> Collections. I just took Safari 14 for a spin and ran into the most bizzare
> bugs where I could insert multiple entries with the same bigint keys in a
> Map.
> 
> For example:
> 
> const m = new Map()
> m.set(1n, 123)
> m.set(1n, 456)
> 
> console.log(m)
> Map {1n => 123, 1n => 456}
> 
> get(1n)
> undefined
> 
> etc.
> 
> Not sure what's up but it is broken.

This is fixed in https://trac.webkit.org/changeset/267373/webkit/. You can try it in STP 115 or later :)

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