[Webkit-unassigned] [Bug 223122] [SameObject] is not applied in FrozenArrays or TypeArrays

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223122

--- Comment #2 from Chris Dumez <cdumez at apple.com> ---
(In reply to Chris Dumez from comment #1)
>         "SameObject": {
>             "contextsAllowed": ["attribute"],
>             "standard": {
>                 "url": "https://heycam.github.io/webidl/#SameObject"
>             },
>             "unsupported": true
>         },
> 
> We just don't support [SameObject] in WebKit right now. There are way to
> implement this with JS visitors or [CachedAttribute] though. We do this all
> the time.
> 
> Where are you trying to use it exactly?

MessageEvent.ports seems to be an example of FrozenArray attribute where we've implementation our custom "SameObject" support. You may be able to use that as example.

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