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Fix variable, comment, and at-rule highlighting in @theme #1409

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Merged
merged 8 commits into from
Jun 16, 2025
Merged

Fix variable, comment, and at-rule highlighting in @theme #1409

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9eec87d
Add tests for comments inside `@theme`
thecrypticace Jun 10, 2025
e66d633
Fix comment highlighting
thecrypticace Jun 10, 2025
762a9d0
Highlight variables properly in `@theme`
thecrypticace Jun 10, 2025
b65a7ec
Add escapes
thecrypticace Jun 10, 2025
62aeb1e
Handle at-rules more properly inside `@theme`
thecrypticace Jun 10, 2025
9172597
Tweak CI job
thecrypticace Jun 13, 2025
2c90df3
Update changelog
thecrypticace Jun 13, 2025
f6fe63f
Merge branch 'main' into fix/theme-highlighting
thecrypticace Jun 16, 2025
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2 changes: 1 addition & 1 deletion .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ jobs:
- uses: actions/setup-node@v4
with:
cache: 'pnpm'
node-version: ${{ matrix.node-version }}
node-version: ${{ matrix.node }}

- name: Install dependencies
run: pnpm install
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122 changes: 103 additions & 19 deletions packages/tailwindcss-language-syntax/tests/__snapshots__/syntax.test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -733,7 +733,7 @@ exports[`@theme 1`] = `

--color: red;
^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^ 1: meta.property-name.css
^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css
Expand All @@ -750,7 +750,7 @@ exports[`@theme 1`] = `

--color: red;
^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^ 1: meta.property-name.css
^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css
Expand All @@ -767,7 +767,7 @@ exports[`@theme 1`] = `

--color: red;
^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^ 1: meta.property-name.css
^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css
Expand All @@ -788,7 +788,7 @@ exports[`@theme 1`] = `

--color: red;
^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^ 1: meta.property-name.css
^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css
Expand All @@ -807,21 +807,21 @@ exports[`@theme 1`] = `

--spacing: initial;
^^^^^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^ 1: meta.property-name.css
^^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^^^^^ 1: meta.property-value.css support.constant.property-value.css
^ 1: punctuation.terminator.rule.css

--color-*: initial;
^^^^^^^^^^^^^^^^^^^^^ 7: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^ 1: meta.property-name.css
^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^^^^^ 1: meta.property-value.css support.constant.property-value.css
^ 1: punctuation.terminator.rule.css

--animate-pulse: 1s pulse infinite;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 9: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^ 1: meta.property-name.css
^^^^^^^^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^^^^^^^^^^^^^^^ 4: meta.property-value.css
^^ 2: constant.numeric.css
Expand All @@ -833,46 +833,130 @@ exports[`@theme 1`] = `
^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind

@keyframes pulse {
^^^^^^^^^^^^^^^^^^^^^ 5: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^ ^^^^^ 2: meta.property-name.css
^^^^^^^^^^^^^^^^^^^^ 7: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 4: meta.at-rule.keyframes.header.css
^^^^^^^^^^ 2: keyword.control.at-rule.keyframes.css
^ 1: punctuation.definition.keyword.css
^^^^^ 1: variable.parameter.keyframe-list.css
^ 1: meta.at-rule.keyframes.body.css punctuation.section.keyframes.begin.bracket.curly.css

0%,
^^^^^^^^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^ 3: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css
^^ 1: entity.other.keyframe-offset.percentage.css

100% {
^^^^^^^^^^^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css
^^^^ 1: entity.other.keyframe-offset.percentage.css
^ 1: meta.property-list.css punctuation.section.property-list.begin.bracket.curly.css

opacity: 0;
^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css meta.property-list.css
^^^^^^^ 1: meta.property-name.css support.type.property-name.css
^ 1: punctuation.separator.key-value.css
^ 1: meta.property-value.css constant.numeric.css
^ 1: punctuation.terminator.rule.css

}
^^^^^ 2: source.css.tailwind meta.at-rule.theme.body.tailwind
^ 1: punctuation.section.theme.end.bracket.curly.tailwind
^^^^^ 2: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css meta.property-list.css
^ 1: punctuation.section.property-list.end.bracket.curly.css

50% {
^^^^^^^^^ 2: source.css.tailwind
^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css
^^^ 1: entity.other.keyframe-offset.percentage.css
^ 1: meta.property-list.css punctuation.section.property-list.begin.bracket.curly.css

opacity: 1;
^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.property-list.css
^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css meta.property-list.css
^^^^^^^ 1: meta.property-name.css support.type.property-name.css
^ 1: punctuation.separator.key-value.css
^ 1: meta.property-value.css constant.numeric.css
^ 1: punctuation.terminator.rule.css

}
^^^^^ 2: source.css.tailwind meta.property-list.css
^^^^^ 2: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css meta.property-list.css
^ 1: punctuation.section.property-list.end.bracket.curly.css

}
^^^^ 1: source.css.tailwind
^^^ 2: source.css.tailwind meta.at-rule.theme.body.tailwind meta.at-rule.keyframes.body.css
^ 1: punctuation.section.keyframes.end.bracket.curly.css

}
^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind punctuation.section.theme.end.bracket.curly.tailwind


^ 1: source.css.tailwind

@theme {
^^^^^^^^ 4: source.css.tailwind
^^^^^^ 2: keyword.control.at-rule.theme.tailwind
^ 1: punctuation.definition.keyword.css
^ 1: meta.at-rule.theme.body.tailwind punctuation.section.theme.begin.bracket.curly.tailwind

/** Comment 0 */
^^^^^^^^^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 3: comment.block.css
^^ 1: punctuation.definition.comment.begin.css
^^ 1: punctuation.definition.comment.end.css


^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind

/** Comment 1 */
^^^^^^^^^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 3: comment.block.css
^^ 1: punctuation.definition.comment.begin.css
^^ 1: punctuation.definition.comment.end.css

--color-1: red;
^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css


^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind

/** Comment 2 */
^^^^^^^^^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 3: comment.block.css
^^ 1: punctuation.definition.comment.begin.css
^^ 1: punctuation.definition.comment.end.css

--color-2: green;
^^^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css


^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind

/** Comment 3 */
^^^^^^^^^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 3: comment.block.css
^^ 1: punctuation.definition.comment.begin.css
^^ 1: punctuation.definition.comment.end.css

--color-2: blue;
^^^^^^^^^^^^^^^^^^ 6: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^ 1: variable.css
^ 1: punctuation.separator.key-value.css
^^^^ 1: meta.property-value.css support.constant.color.w3c-standard-color-name.css
^ 1: punctuation.terminator.rule.css


^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind

/** Comment 4 */
^^^^^^^^^^^^^^^^^^ 4: source.css.tailwind meta.at-rule.theme.body.tailwind
^^^^^^^^^^^^^^^^ 3: comment.block.css
^^ 1: punctuation.definition.comment.begin.css
^^ 1: punctuation.definition.comment.end.css

}
^^ 1: source.css.tailwind
^ 1: source.css.tailwind meta.at-rule.theme.body.tailwind punctuation.section.theme.end.bracket.curly.tailwind
"
`;

Expand Down
15 changes: 15 additions & 0 deletions packages/tailwindcss-language-syntax/tests/syntax.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,21 @@ test('@theme', async ({ expect }) => {
}
}
}

@theme {
/** Comment 0 */

/** Comment 1 */
--color-1: red;

/** Comment 2 */
--color-2: green;

/** Comment 3 */
--color-2: blue;

/** Comment 4 */
}
`)

expect(result.toString()).toMatchSnapshot()
Expand Down
4 changes: 3 additions & 1 deletion packages/vscode-tailwindcss/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,9 @@

## Prerelease

- Nothing yet!
- Highlight CSS variables correctly inside `@theme` ([#1409](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1409))
- Highlight comments inside `@theme` ([#1409](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1409))
- Highlight at-rules inside `@theme` ([#1409](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1409))

## 0.14.21

Expand Down
13 changes: 13 additions & 0 deletions packages/vscode-tailwindcss/syntaxes/at-rules.tmLanguage.json
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Original file line number Diff line number Diff line change
Expand Up @@ -494,6 +494,16 @@
"repository": {
"property-list": {
"patterns": [
{
"include": "source.css#comment-block"
},
{
"include": "source.css#escapes"
},
{
"match": "(?x) (?<![\\w-])\n--\n(?:[-a-zA-Z_] | [^\\x00-\\x7F]) # First letter\n(?:[-a-zA-Z0-9_] | [^\\x00-\\x7F] # Remainder of identifier\n |\\\\(?:[0-9a-fA-F]{1,6}|.)\n)*",
"name": "variable.css"
},
{
"begin": "(?<![-a-zA-Z])(?=[-a-zA-Z])",
"end": "$|(?![-a-zA-Z])",
Expand Down Expand Up @@ -530,6 +540,9 @@
{
"match": ";",
"name": "punctuation.terminator.rule.css"
},
{
"include": "source.css#at-rules"
}
]
},
Expand Down