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Add support for the shadow root clonable flag #44216

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merged 1 commit into from
Jan 27, 2024

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@chromium-wpt-export-bot chromium-wpt-export-bot commented Jan 26, 2024

This landed in the these two spec PRs:

whatwg/dom#892
whatwg/dom#1237

and was discussed here:

whatwg/dom#1137
whatwg/dom#1236

This CL adds support for clonable, behind a new ShadowRootClonable
flag. There was already a very basic test, but I added a few
more cases.

This should be fairly web compatible, but there is a risk since with
this feature enabled, declarative shadow roots in the main document
(as opposed to in a <template> element) will now be cloned. I will
launch this feature carefully. Safari has already shipped, and Gecko
has implemented this and plans to ship soon.

Chromestatus:
https://chromestatus.com/feature/5161435196030976

I2P:
https://groups.google.com/a/chromium.org/g/blink-dev/c/nZhPt0ePCAA

Bug: 1510466
Change-Id: Ie25b72f369ca0542555f91010b0f22d295403728
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5239277
Auto-Submit: Mason Freed <[email protected]>
Reviewed-by: David Baron <[email protected]>
Commit-Queue: David Baron <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1253059}

This landed in the these two spec PRs:

  whatwg/dom#892
  whatwg/dom#1237

and was discussed here:

  whatwg/dom#1137
  whatwg/dom#1236

This CL adds support for clonable, behind a new ShadowRootClonable
flag. There was already a very basic test, but I added a few
more cases.

This should be fairly web compatible, but there is a risk since with
this feature enabled, declarative shadow roots in the main document
(as opposed to in a <template> element) will now be cloned. I will
launch this feature carefully. Safari has already shipped, and Gecko
has implemented this and plans to ship soon.

Chromestatus:
https://chromestatus.com/feature/5161435196030976

I2P:
https://groups.google.com/a/chromium.org/g/blink-dev/c/nZhPt0ePCAA

Bug: 1510466
Change-Id: Ie25b72f369ca0542555f91010b0f22d295403728
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5239277
Auto-Submit: Mason Freed <[email protected]>
Reviewed-by: David Baron <[email protected]>
Commit-Queue: David Baron <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1253059}
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The review process for this patch is being conducted in the Chromium project.

@chromium-wpt-export-bot chromium-wpt-export-bot merged commit adc1ac0 into master Jan 27, 2024
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@chromium-wpt-export-bot chromium-wpt-export-bot deleted the chromium-export-cl-5239277 branch January 27, 2024 21:04
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3 participants