web-platform-tests / web-platform-tests/interop

CSS @mixin

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investigation-effort-proposal
Dominant language
JavaScript
Stars
524
Forks
35
Avg merge
1d 4h
Merged PRs (30d)
10

Description

Description

The @mixin CSS at-rule enables defining reusable and parametrizable block of CSS. Once defined, a mixin can be called using the syntax @apply --mixin-name(<parameters>);.

This feature being prototyped in Chrome

Rationale

Chrome bug
Firefox bug

Investigation Roadmap

Specification Draft
web-feature

Contributor guide

No contributing guide indexed for this repository

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

The issue names no repository files or tests. Start by reading the CSS Mixins specification draft and the linked web-feature entry, then review the linked browser issues for current implementation status. The issue does not define the tests or completion criteria needed to consider the feature covered.

Written by the indexing model from the issue text.

Assessment

Tech stack
css
Domain
frontend, web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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