oddbird / oddbird/css-anchor-positioning

Support implicit anchors

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#273 4 comments 2 reactions 0 assignees View on GitHub

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enhancement
Dominant language
TypeScript
Stars
493
Forks
18
Avg merge
12h 37m
Merged PRs (30d)
5

Description

Once https://github.com/whatwg/html/pull/9144 is resolved, we should add support for implicit anchors and the position-anchor: auto keyword.

https://drafts.csswg.org/css-anchor-position/#implicit

Contributor guide

Open the contributing guide

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

First check the WHATWG pull request linked in the issue and read the CSSWG implicit-anchor section to confirm the required behavior and the meaning of position-anchor: auto. Then trace the existing anchor-positioning implementation to identify where these cases belong; done means the polyfill supports implicit anchors and the keyword according to the referenced specification.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, typescript
Domain
frontend, web-dev
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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