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Description
Should this be an RFC?
- This is not a substantial change
Which package is this a feature request for?
Lit Core (lit / lit-html / lit-element / reactive-element)
Description
How hard would it be to add a lifecycle method or promise that lets us know:
- when all defined LitElements that are descendants of
thisLitElement have been rendered and - are also in an
updateCompletestate?
Alternatives and Workarounds
Running into this issue has made me more aware that LitElements are basically async which is why statefulness is more-or-less required. However, standard HTML is rendered and ready (from a code standpoint) after it has been appended to the DOM, and offering this promise would allow interoperability with that modality of working with elements and DOM trees.
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Status
📋 Triaged