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perf: replace css-tree with @projectwalace/css-parser #138

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Merged
bartveneman merged 23 commits into from
Jan 18, 2026
+4,681 −4,700
Merged

perf: replace css-tree with @projectwalace/css-parser #138

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f5d33d0
strip guts before starting over
bartveneman Nov 19, 2025
db66382
checkpoint: use wallace css parser
bartveneman Nov 27, 2025
abb0955
css-parser@0.6.0
bartveneman Dec 2, 2025
78d1dd3
checkpoint
bartveneman Dec 2, 2025
4b2b924
reinstate formatting of atrule prelude (1:1 copy
bartveneman Dec 3, 2025
6487873
print parenthesis
bartveneman Dec 3, 2025
b97ebd0
make all work except for comments
bartveneman Dec 3, 2025
5faeee3
rm migraiton files + disable comments tests
bartveneman Dec 3, 2025
282e294
lint
bartveneman Dec 3, 2025
fdde5d5
use remote parser lib
bartveneman Dec 3, 2025
00192bd
improve coverage
bartveneman Dec 3, 2025
359b945
mark parser as external
bartveneman Dec 4, 2025
d5f6b3a
update css-parser to 0.8.0
bartveneman Dec 21, 2025
7fb76a9
update css-parser to 0.8.1
bartveneman Dec 22, 2025
e7021c5
reduce imports
bartveneman Dec 22, 2025
46a44cf
rm logs
bartveneman Dec 22, 2025
ad9192f
rm only
bartveneman Dec 22, 2025
cb4141d
fix coverage
bartveneman Dec 22, 2025
17387b1
update parser t0 0.12.0
bartveneman Jan 17, 2026
a9221ab
restore comments parsing
bartveneman Jan 17, 2026
05b9828
fix: correcly loercase type selectors again
bartveneman Jan 17, 2026
bb2a52f
fix comment
bartveneman Jan 17, 2026
87bcc61
clean up comments, remove double `parse()` call
bartveneman Jan 18, 2026
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803 changes: 405 additions & 398 deletions index.ts
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7,962 changes: 3,971 additions & 3,991 deletions package-lock.json
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127 changes: 63 additions & 64 deletions package.json
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Original file line number Diff line number Diff line change
@@ -1,66 +1,65 @@
{
"name": "@projectwallace/format-css",
"version": "2.1.2",
"description": "Fast, small, zero-config library to format or minify CSS with basic rules.",
"repository": {
"type": "git",
"url": "git+https://github.com/projectwallace/format-css.git"
},
"homepage": "https://github.com/projectwallace/format-css",
"issues": "https://github.com/projectwallace/format-css/issues",
"license": "MIT",
"author": "Bart Veneman <bart@projectwallace.com>",
"engines": {
"node": ">=18.0.0"
},
"type": "module",
"main": "./dist/format-css.js",
"exports": {
"types": "./dist/index.d.ts",
"default": "./dist/format-css.js"
},
"types": "./dist/index.d.ts",
"scripts": {
"build": "vite build",
"test": "vitest --coverage",
"check": "tsc",
"prettier": "prettier --check index.ts test/**/*.ts",
"lint": "oxlint",
"lint-package": "publint"
},
"devDependencies": {
"@codecov/vite-plugin": "^1.9.1",
"@types/css-tree": "^2.3.11",
"@vitest/coverage-v8": "^4.0.3",
"c8": "^10.1.3",
"oxlint": "^1.24.0",
"prettier": "^3.6.2",
"publint": "^0.3.15",
"typescript": "^5.9.3",
"vite": "^6.2.6",
"vite-plugin-dts": "^4.5.4",
"vitest": "^4.0.3"
},
"dependencies": {
"css-tree": "^3.1.0"
},
"files": [
"dist"
],
"keywords": [
"css",
"stylesheet",
"formatter",
"format",
"print",
"prettifier",
"pretty",
"prettier"
],
"prettier": {
"semi": false,
"useTabs": true,
"printWidth": 140,
"singleQuote": true
}
"name": "@projectwallace/format-css",
"version": "2.1.1",
"description": "Fast, small, zero-config library to format or minify CSS with basic rules.",
"repository": {
"type": "git",
"url": "git+https://github.com/projectwallace/format-css.git"
},
"homepage": "https://github.com/projectwallace/format-css",
"issues": "https://github.com/projectwallace/format-css/issues",
"license": "MIT",
"author": "Bart Veneman <bart@projectwallace.com>",
"engines": {
"node": ">=18.0.0"
},
"type": "module",
"main": "./dist/format-css.js",
"exports": {
"types": "./dist/index.d.ts",
"default": "./dist/format-css.js"
},
"types": "./dist/index.d.ts",
"scripts": {
"build": "vite build",
"test": "vitest --coverage",
"check": "tsc",
"prettier": "prettier --check index.ts test/**/*.ts",
"lint": "oxlint",
"lint-package": "publint"
},
"devDependencies": {
"@codecov/vite-plugin": "^1.9.1",
"@vitest/coverage-v8": "^4.0.3",
"c8": "^10.1.3",
"oxlint": "^1.24.0",
"prettier": "^3.6.2",
"publint": "^0.3.15",
"typescript": "^5.9.3",
"vite": "^6.2.6",
"vite-plugin-dts": "^4.5.4",
"vitest": "^4.0.3"
},
"files": [
"dist"
],
"keywords": [
"css",
"stylesheet",
"formatter",
"format",
"print",
"prettifier",
"pretty",
"prettier"
],
"prettier": {
"semi": false,
"useTabs": true,
"printWidth": 140,
"singleQuote": true
},
"dependencies": {
"@projectwallace/css-parser": "^0.12.2"
}
}
2 changes: 1 addition & 1 deletion test/api.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ test('empty input', () => {

test('handles invalid input', () => {
let actual = format(`;`)
let expected = `;`
let expected = ``
expect(actual).toEqual(expected)
})

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