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Inherited calculation not using correctly scoped variable

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#41 0 comments 2 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
45/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
javascript
Domain
frontend

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.

Description

bug

I enter following:

:root {
    --aaa: 2;
    --bbb: calc(var(--aaa) * 2);
}

.btn {
    --aaa: 3;
    width: var(--aaa);
    height: var(--bbb);
}

.btn:hover {
    --aaa: 4;
}

and receive:

.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;
}
Dominant language
JavaScript
Stars
551
Forks
63
PR merge metrics
No merged PRs in 30d

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