LGTM1
This seems like a small and useful addition to invoker commands. Thanks for
adding it.

On Fri, May 23, 2025, 07:01 Chromestatus <ad...@cr-status.appspotmail.com>
wrote:

> Contact emails lwar...@igalia.com
>
> Explainer https://github.com/whatwg/html/pull/11045
>
> Specification
> https://html.spec.whatwg.org/multipage/form-elements.html#attr-button-command-request-close-state
>
> Summary
>
> Dialog elements can be closed through a variety of mechanisms, sometimes
> developers want to have the ability to prevent closure. To achieve this
> dialogs fire a cancel event. Originally this was only fired via a close
> request (e.g. ESC key press), recently a `requestClose()` JS function was
> added which also fires the cancel event. The 'request-close' command brings
> that new ability to the declarative invoker commands API.
>
>
> Blink component Blink>DOM
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EDOM%22>
>
> TAG review This is a minimal extension to the Invoker Commands API which
> was tag reviewed.
>
> TAG review status Not applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
> This is a new value for `command`, there shouldn't be any compat risks.
> The interop risk is low, WebKit already has an implementation of this
> addition as part of the (currently flagged) command invokers implementation.
>
>
> *Gecko*: Positive (
> https://github.com/mozilla/standards-positions/issues/902) Supportive of
> overall feature, I consider this addition to be small enough to not warrant
> a separate position issue.
>
> *WebKit*: Positive (
> https://github.com/whatwg/html/pull/11045#issuecomment-2694671925)
>
> *Web developers*: No signals
>
> *Other signals*:
>
> WebView application risks
>
> Does this intent deprecate or change behavior of existing APIs, such that
> it has potentially high risk for Android WebView-based applications?
>
>
>
> Debuggability
>
> None
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, ChromeOS, Android, and Android WebView)? Yes
>
> Is this feature fully tested by web-platform-tests
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ? Yes
>
>
> https://wpt.fyi/results/html/semantics/the-button-element/command-and-commandfor/on-dialog-behavior.html
>
>
> Flag name on about://flags Experimental Web Platform Features
>
> Finch feature name HTMLCommandRequestClose
>
> Rollout plan Will ship enabled for all users
>
> Requires code in //chrome? False
>
> Tracking bug https://crbug.com/400647849
>
> Availability expectation Feature is available on Web Platform mainline
> within 12 months of launch in Chrome.
>
> Adoption expectation Feature is considered a best practice for some use
> case within 12 months of reaching Web Platform baseline.
>
> Estimated milestones
> Shipping on desktop 139
> DevTrial on desktop 136
> Shipping on Android 139
> DevTrial on Android 136
> Shipping on WebView 139
>
> Anticipated spec changes
>
> Open questions about a feature may be a source of future web compat or
> interop issues. Please list open issues (e.g. links to known github issues
> in the project for the feature specification) whose resolution may
> introduce web compat/interop risk (e.g., changing to naming or structure of
> the API in a non-backward-compatible way).
>
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/5592399713402880?gate=6212275096256512
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com>.
>
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