Re: [WICG/webcomponents] Need a callback for when children changed or parser finished parsing children (#809) from Mason Freed on 2023-03-15 (public-webapps-github@w3.org from March 2023)

From: Mason Freed <notifications@github.com>
Date: Wed, 15 Mar 2023 09:41:05 -0700
To: WICG/webcomponents <webcomponents@noreply.github.com>
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Message-ID: <WICG/webcomponents/issues/809/1470376994@github.com>

> @mfreed7 layout happens end-of-task and I believe any kind of tree mutations will have run their notifications by then. So I don't think this has to be a problem in practice. (I think there is a problem to solve ergonomics-wise.)

Sorry, help me understand this comment. Yes, layout and MutationObservers run when the parser yields, but that could happen before all children are parsed. That case isn't limited to elements with tons of children, it could just happen due to bad luck of placement on the page and the parser's decision making about when to yield.

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Received on Wednesday, 15 March 2023 16:41:17 UTC