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37 changes: 37 additions & 0 deletions packages/compiler-sfc/__tests__/compileStyle.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,43 @@ describe('SFC scoped CSS', () => {
`)
})

// #10511
test(':is and :where with same pre-selector should have right priority', () => {
expect(
compileScoped(`.div { color: red }; .div:where(:hover) { color: blue }`),
).toMatchInlineSnapshot(`
".div[data-v-test] { color: red
};
.div[data-v-test]:where(:hover) { color: blue
}"`)

expect(
compileScoped(`.div { color: red }; .div:is(:hover) { color: blue }`),
).toMatchInlineSnapshot(`
".div[data-v-test] { color: red
};
.div[data-v-test]:is(:hover) { color: blue
}"`)

expect(
compileScoped(
`.div { color: red }; .div:where(.foo:hover) { color: blue }`,
),
).toMatchInlineSnapshot(`
".div[data-v-test] { color: red
};
.div[data-v-test]:where(.foo:hover) { color: blue
}"`)

expect(
compileScoped(`.div { color: red }; .div:is(.foo:hover) { color: blue }`),
).toMatchInlineSnapshot(`
".div[data-v-test] { color: red
};
.div[data-v-test]:is(.foo:hover) { color: blue
}"`)
})

test('media query', () => {
expect(compileScoped(`@media print { .foo { color: red }}`))
.toMatchInlineSnapshot(`
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4 changes: 3 additions & 1 deletion packages/compiler-sfc/src/style/pluginScoped.ts
Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,9 @@ function rewriteSelector(

if (
(n.type !== 'pseudo' && n.type !== 'combinator') ||
(n.type === 'pseudo' && (n.value === ':is' || n.value === ':where'))
(n.type === 'pseudo' &&
(n.value === ':is' || n.value === ':where') &&
!node)
) {
node = n
}
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