Fix/shadowrootmode #6933
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Fix/shadowrootmode #6933
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scomea
reviewed
Apr 9, 2024
change/@microsoft-fast-ssr-b7eb9d42-4f98-4cae-842d-f8792c26a757.json
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KingOfTac
approved these changes
May 23, 2024
chrisdholt
approved these changes
May 23, 2024
spmonahan
commented
May 23, 2024
change/@microsoft-fast-ssr-b7eb9d42-4f98-4cae-842d-f8792c26a757.json
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Pull Request
📖 Description
Changes the
shadowrootattribute on<template>s toshadowrootmodeper the standardized declarative shadow DOM when server rendering components.👩💻 Reviewer Notes
web.dev notes that pre-standardization, Chrome and Edge used the
shadowrootattribute instead. This attribute doesn't work in any current version of the browsers I tested in so I've removed it entirely. This seems a reasonable choice to me since this package is still in beta and the versions of Chrome and Edge that support the non-standard attribute are quite old at this point, however, if it's necessary to support the non-standard attribute I'm happy to do that work but I will need guidance on how to test against older browser versions.📑 Test Plan
I updated relevant tests in the repo and validated the before and after in Edge, Chrome, Safari and Firefox.
This is my test repo.
Before
Edge
Chrome
Firefox
Safari
After
Edge
Chrome
Firefox
Safari
✅ Checklist
General
$ yarn change