prettier / prettier/prettier

Regnize `<ratio>` CSS value

Open
#15,339 2 comments 1 reaction 0 assignees View on GitHub

Nobody has claimed this yet.

lang:css/scss/less
Dominant language
JavaScript
Stars
52.3k
Forks
5k
Avg merge
19h 2m
Merged PRs (30d)
117

Description

Prettier 3.0.2
Playground link

--parser css

Input:

div {
  aspect-ratio: 16 / 9; 
  aspect-ratio: 16/ 9; 
  aspect-ratio: 16 /9; 
}

Output:

div {
  aspect-ratio: 16 / 9;
  aspect-ratio: 16/ 9;
  aspect-ratio: 16 /9;
}

Expected behavior:

They should format the same, properly

div {
  aspect-ratio: 16 / 9;
  aspect-ratio: 16 / 9;
  aspect-ratio: 16 / 9;
}

The <ratio> CSS data type

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 with the linked Prettier playground and reproduce the CSS parser output for the three aspect-ratio declarations. Trace the CSS formatting entry point and existing tests for value spacing, then add coverage showing all three forms are formatted as 16 / 9.

Written by the indexing model from the issue text.

Assessment

Tech stack
css
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.