MadLittleMods / MadLittleMods/postcss-css-variables
Inherited calculation not using correctly scoped variable
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- Dominant language
- JavaScript
- Stars
- 551
- Forks
- 63
- PR merge metrics
- No merged PRs in 30d
Description
## I enter following:
``` css
:root {
--aaa: 2;
--bbb: calc(var(--aaa) * 2);
}
.btn {
--aaa: 3;
width: var(--aaa);
height: var(--bbb);
}
.btn:hover {
--aaa: 4;
}
```
and receive:
``` css
.btn {
width: 3;
height: calc(4 * 2); /*here is the error, it should be 3*2*/
}
.btn:hover {
height: calc(4 * 2);
}
.btn:hover {
width: 4;
}
```
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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
Reproduce the CSS example from the issue with the postcss-css-variables plugin and inspect the transformation path for inherited custom properties. Done means the generated .btn height uses calc(3 * 2), while .btn:hover keeps the expected scoped behavior, with a regression test covering the example.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100