UI5 / UI5/webcomponents

[Enhancement][SSR]: enable Declarative Shadow Dom usage

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feature request TOPIC Core
Dominant language
TypeScript
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Feature Request Description

Until know we always create a shadow DOM in the UI5 Element, without anticipating that shadow DOM could exist as a declarative shadow DOM.

This is the first step to enable the whole SSR story, to allow declarative shadow DOM usage.

Proposed Solution

Consider the existence of declarative shadow DOM and does not create our own in this case, that replaces the declarative shadow DOM.

Proposed Alternatives

No response

Organization

No response

Additional Context

No response

Priority

None

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Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by locating where the UI5 Element creates its shadow DOM and trace how existing declarative shadow DOM is detected. Done means a declarative shadow root is preserved rather than replaced, with coverage for the SSR-related behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
frontend
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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