[whatwg/webidl] Should `DOMException#stack` be standardized? (Issue #1186) from Kagami Sascha Rosylight on 2022-09-09 (public-webapps-github@w3.org from September 2022)

From: Kagami Sascha Rosylight <notifications@github.com>
Date: Thu, 08 Sep 2022 17:45:27 -0700
To: whatwg/webidl <webidl@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/webidl/issues/1186@github.com>

I was just watching the war (😉) at https://github.com/whatwg/webidl/pull/1179 and https://github.com/whatwg/webidl/pull/1179#issuecomment-1241307416 interested me. Gecko indeed has [`Error.prototype.stack` as an IDL accessor](https://searchfox.org/mozilla-central/rev/685203e4bc211073284f3c36f7f3d34f0953bb9c/dom/webidl/DOMException.webidl#49), but currently the spec says:

>Additionally, if an implementation gives native [Error](https://tc39.es/ecma262/#sec-error-objects) objects special powers or nonstandard properties (such as a stack property), it should also expose those on [DOMException](https://webidl.spec.whatwg.org/#idl-DOMException) instances.

So per the spec `stack` is nonstandard and thus it should not be an accessor. But should it be in the standard? How many rabbits are in the hole?

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Received on Friday, 9 September 2022 00:45:40 UTC