oddbird / oddbird/css-anchor-positioning

[BUG] Anchoring in a scrolled element is too permissive.

Open
#234 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

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

Description

Describe the bug
Polyfill allows anchoring scroll more permissively than the spec allows, for instance without position-anchor.

https://www.w3.org/TR/css-anchor-position-1/#scroll

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

Start by reading the CSS Anchor Positioning specification section linked in the issue, then locate the polyfill logic and tests covering anchoring inside scrolled elements and the position-anchor requirement. Confirm the current behavior and define done as matching the specification without allowing anchoring when position-anchor is absent.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, typescript
Domain
frontend, web-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.