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Don’t reorder webkit scrollbar pseudo elements #9991

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merged 2 commits into from Dec 2, 2022
Merged

Don’t reorder webkit scrollbar pseudo elements #9991

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f33c0e6
Don’t reorder webkit scrollbar pseudo elements
thecrypticace Dec 2, 2022
c7c47e2
Update changelog
thecrypticace Dec 2, 2022
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Support renaming of output files by `PostCSS` plugin. ([#9944](https://github.com/tailwindlabs/tailwindcss/pull/9944))
- Improve return value of `resolveConfig`, unwrap `ResolvableTo` ([#9972](https://github.com/tailwindlabs/tailwindcss/pull/9972))
- Clip unbalanced brackets in arbitrary values ([#9973](https://github.com/tailwindlabs/tailwindcss/pull/9973))
- Don’t reorder webkit scrollbar pseudo elements ([#9991](https://github.com/tailwindlabs/tailwindcss/pull/9991))

### Changed

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13 changes: 12 additions & 1 deletion src/util/formatVariantSelector.js
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Expand Up @@ -250,7 +250,18 @@ export function finalizeSelector(
let pseudoElementsBC = [':before', ':after', ':first-line', ':first-letter']

// These pseudo-elements _can_ be combined with other pseudo selectors AND the order does matter.
let pseudoElementExceptions = ['::file-selector-button']
let pseudoElementExceptions = [
'::file-selector-button',

// Webkit scroll bar pseudo elements can be combined with user-action pseudo classes
'::-webkit-scrollbar',
'::-webkit-scrollbar-button',
'::-webkit-scrollbar-thumb',
'::-webkit-scrollbar-track',
'::-webkit-scrollbar-track-piece',
'::-webkit-scrollbar-corner',
'::-webkit-resizer',
]

// This will make sure to move pseudo's to the correct spot (the end for
// pseudo elements) because otherwise the selector will never work
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49 changes: 49 additions & 0 deletions tests/variants.test.js
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Expand Up @@ -1096,3 +1096,52 @@ test('variant functions returning arrays should output correct results when nest
}
`)
})

test.only('arbitrary variant selectors should not re-order scrollbar pseudo classes', async () => {
let config = {
content: [
{
raw: html`
<div class="[&::-webkit-scrollbar:hover]:underline" />
<div class="[&::-webkit-scrollbar-button:hover]:underline" />
<div class="[&::-webkit-scrollbar-thumb:hover]:underline" />
<div class="[&::-webkit-scrollbar-track:hover]:underline" />
<div class="[&::-webkit-scrollbar-track-piece:hover]:underline" />
<div class="[&::-webkit-scrollbar-corner:hover]:underline" />
<div class="[&::-webkit-resizer:hover]:underline" />
`,
},
],
corePlugins: { preflight: false },
}

let input = css`
@tailwind utilities;
`

let result = await run(input, config)

expect(result.css).toMatchFormattedCss(css`
.\[\&\:\:-webkit-scrollbar\:hover\]\:underline::-webkit-scrollbar:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-scrollbar-button\:hover\]\:underline::-webkit-scrollbar-button:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-scrollbar-thumb\:hover\]\:underline::-webkit-scrollbar-thumb:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-scrollbar-track\:hover\]\:underline::-webkit-scrollbar-track:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-scrollbar-track-piece\:hover\]\:underline::-webkit-scrollbar-track-piece:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-scrollbar-corner\:hover\]\:underline::-webkit-scrollbar-corner:hover {
text-decoration-line: underline;
}
.\[\&\:\:-webkit-resizer\:hover\]\:underline::-webkit-resizer:hover {
text-decoration-line: underline;
}
`)
})