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Fix parsing issue when \t is used in at-rules #19130

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Merged
RobinMalfait merged 4 commits into from
Oct 15, 2025
+22 −1
Merged

Fix parsing issue when \t is used in at-rules #19130

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5189045
add failing tests
RobinMalfait Oct 15, 2025
97e9191
properly handle `\t` when parsing at-rules
RobinMalfait Oct 15, 2025
d7cdd67
update changelog
RobinMalfait Oct 15, 2025
46a5a5b
add various whitespace combinations in tests
RobinMalfait Oct 15, 2025
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add failing tests
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@RobinMalfait
RobinMalfait committed Oct 15, 2025
commit 5189045562d6e17ac6f229e87ec829adb66a01d0
12 changes: 12 additions & 0 deletions packages/tailwindcss/src/css-parser.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -723,6 +723,18 @@ describe.each(['Unix', 'Windows'])('Line endings: %s', (lineEndings) => {
).toEqual([{ kind: 'at-rule', name: '@charset', params: '"UTF-8"', nodes: [] }])
})

it('should parse an at-rule with tabs in the params', () => {
expect(parse('@apply\tbg-red-500;')).toEqual([
{ kind: 'at-rule', name: '@apply', params: 'bg-red-500', nodes: [] },
])
})

it('should parse an at-rule with tabs and newlines in the params', () => {
expect(parse('@apply\n\tbg-red-500;')).toEqual([
{ kind: 'at-rule', name: '@apply', params: 'bg-red-500', nodes: [] },
])
})

it('should parse an at-rule without a block or semicolon', () => {
expect(
parse(`
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