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Fix single-arg values inside nested at-rules #180

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Merged
ai merged 1 commit into from
Oct 10, 2026
Merged

Fix single-arg values inside nested at-rules #180

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2 changes: 1 addition & 1 deletion index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,7 @@ function unwrapSingleArguments(rules, singleArgumentsMap) {
}
rule.value = newValue
}
} else if (rule.type === 'rule') {
} else if (rule.nodes) {
unwrapSingleArguments(rule.nodes, singleArgumentsMap)
}
}
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23 changes: 23 additions & 0 deletions test/index.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -497,6 +497,29 @@ test('handles single-arg inside rules', async () => {
)
})

test('handles single-arg inside nested at-rules', async () => {
await run(
'@define-mixin fonts $x { @media screen { @supports (display: grid) ' +
'{ .a { font-family: $x } } } } @mixin fonts single-arg(Arial, sans-serif);',
'@media screen { @supports (display: grid) ' +
'{ .a { font-family: Arial, sans-serif } } }'
)
})

test('handles single-arg in object mixin at-rules', async () => {
await run(
'@mixin fonts single-arg(Arial, sans-serif);',
'@media screen {\n font-family: Arial, sans-serif\n}',
{
mixins: {
fonts(rule, font) {
return { '@media screen': { fontFamily: font } }
}
}
}
)
})

test('passes single-arg to the nested mixin', async () => {
await run(
'@define-mixin a $p { a: $p; } ' +
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