[css-minifier]Support CSS Anchor Positioning
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css
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Description
- Spec: https://drafts.csswg.org/css-anchor-position-1/
- Shiped in Chrome 125
- Article: Introducing the CSS anchor positioning API
Example:
.positioned-notice {
position: absolute;
/* Anchor reference */
position-anchor: --anchor-el;
/* Position bottom of positioned elem at top of anchor */
bottom: anchor(top);
/* Center justification to the anchor */
justify-self: anchor-center;
}
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with esbuild’s CSS minifier and use the CSS Anchor Positioning specification and linked Chrome article as the requirements. Check the provided example and related anchor-positioning syntax, then verify that supported CSS is minified without changing its meaning. Done means the feature is handled consistently by the CSS minifier.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100