web-platform-tests / web-platform-tests/interop
CSS @function
Nobody has claimed this yet.
- Dominant language
- JavaScript
- Stars
- 524
- Forks
- 35
- Avg merge
- 1d 4h
- Merged PRs (30d)
- 10
Description
Description
The @function CSS at-rule enables defining CSS custom functions. Once defined, a custom function can be called using the syntax (for example, --my-function(30px, 3)) within any property value.
This feature has shipped in Chrome 139, with Safari including it in Safari Tech Preview 249.
Specification
https://www.w3.org/TR/css-mixins-1/#function-rule
web-feature
https://web-platform-dx.github.io/web-features-explorer/features/function/
Test Links
https://wpt.fyi/results/css/css-mixins/functions?label=experimental&label=master&aligned
Additional Signals
Contributor guide
No contributing guide indexed for this repository
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
The issue names no repository file or concrete change. Start with the CSS Mixins Level 1 @function specification, then inspect the linked WPT results and the repository’s contribution guidance to identify the relevant coverage or configuration entry point. Done should be defined by the missing project change and corresponding test coverage, which the issue currently does not specify.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- testing-qa, web-dev
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 48/100