Don't run scripts while DOM tree is undergoing mutations (#34505)

* script: Implement node insertion post-connection hook. Ensure script elements only run scripts when the DOM has stabilized.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Make iframe element use post-connection steps when handling initial document insertion.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Use a delayed task when running post-connection steps.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Add explanatory comment.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Tidy.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2024-12-26 01:06:09 -05:00 committed by GitHub
parent 20d67bdc44
commit 981616f918
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10 changed files with 117 additions and 51 deletions

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@ -13529,6 +13529,13 @@
{}
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[
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{}
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],
"lenient_this.html": [
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[