feat(preset-mini): support arbitrary properties with quotes

packages/core/src/extractors/index.ts

@@ -1,2 +1,2 @@
-export { extractorSplit } from './split'
+export { extractorSplit, cssPropertyRE } from './split'
 export { extractorSvelte } from './svelte'

packages/core/src/extractors/split.ts

@@ -1,7 +1,21 @@
 import type { Extractor } from '../types'
 import { isValidSelector } from '../utils'
 
-export const splitCode = (code: string) => [...new Set(code.split(/\\?[\s'"`;{}]+/g))].filter(isValidSelector)
+const defaultSplitRE = /\\?[\s'"`;{}]+/g
+export const cssPropertyRE = /[\s'"`](\[(\\\W|[\w-])+:['"]?\S*?['"]?\])/g
+
+export const splitCode = (code: string) => {
+  const result = new Set<string>()
+
+  for (const match of code.matchAll(cssPropertyRE))
+    result.add(match[1])
+
+  code.split(defaultSplitRE).forEach((match) => {
+    isValidSelector(match) && result.add(match)
+  })
+
+  return [...result]
+}
 
 export const extractorSplit: Extractor = {
   name: 'split',

packages/preset-mini/src/_rules/variables.ts

@@ -26,5 +26,5 @@ export const cssVariables: Rule[] = [
 ]
 
 export const cssProperty: Rule[] = [
-  [/^\[([\w_-]+):([^'"]+)\]$/, ([, prop, value]) => ({ [prop]: h.bracket(`[${value}]`) })],
+  [/^\[(--(\w|\\\W)+|[\w-]+):(.+)\]$/, ([, prop,, value]) => ({ [prop]: h.bracket(`[${value}]`) })],
 ]

packages/shared-common/src/index.ts

@@ -1,5 +1,5 @@
 import type { UnoGenerator } from '@unocss/core'
-import { escapeRegExp, isAttributifySelector, regexClassGroup } from '@unocss/core'
+import { cssPropertyRE, escapeRegExp, isAttributifySelector, regexClassGroup } from '@unocss/core'
 import MagicString from 'magic-string'
 
 // https://github.com/dsblv/string-replace-async/blob/main/index.js
@@ -53,6 +53,14 @@ export function getMatchedPositions(code: string, matched: string[], hasVariantG
     start = end
   })
 
+  // highlight for arbitrary css properties
+  for (const match of code.matchAll(cssPropertyRE)) {
+    const start = match.index! + 1
+    const end = start + match[1].length
+    if (plain.has(match[1]))
+      result.push([start, end, match[1]])
+  }
+
   // highlight for variant group
   if (hasVariantGroup) {
     Array.from(code.matchAll(regexClassGroup))

test/__snapshots__/preset-mini.test.ts.snap

@@ -41,10 +41,16 @@ exports[`preset-mini > targets 1`] = `
 .fw-\\\\$variable{font-weight:var(--variable);}
 .items-\\\\$size{align-items:var(--size);}
 .ws-\\\\$variable{white-space:var(--variable);}
+.\\\\[--css-variable\\\\:\\\\\\"wght\\\\\\"_400\\\\,_\\\\\\"opsz\\\\\\"_14\\\\]{--css-variable:\\"wght\\" 400, \\"opsz\\" 14;}
+.\\\\[--escaped\\\\\\\\\\\\~variable\\\\\\\\\\\\:\\\\:100\\\\%\\\\]{--escaped\\\\~variable\\\\::100%;}
 .\\\\[a\\\\:b\\\\]{a:b;}
 .\\\\[background-image\\\\:url\\\\(star_transparent\\\\.gif\\\\)\\\\,_url\\\\(cat_front\\\\.png\\\\)\\\\]{background-image:url(star_transparent.gif), url(cat_front.png);}
 .\\\\[content\\\\:attr\\\\(attr_content\\\\)\\\\]{content:attr(attr content);}
 .\\\\[content\\\\:attr\\\\(attr\\\\\\\\_content\\\\)\\\\]{content:attr(attr_content);}
+.\\\\[font-family\\\\:\\\\'Inter\\\\'\\\\,_sans-serif\\\\]{font-family:'Inter', sans-serif;}
+.\\\\[font-family\\\\:var\\\\(--font-family\\\\)\\\\]{font-family:var(--font-family);}
+.\\\\[font-feature-settings\\\\:\\\\'cv02\\\\'\\\\,\\\\'cv03\\\\'\\\\,\\\\'cv04\\\\'\\\\,\\\\'cv11\\\\'\\\\]{font-feature-settings:'cv02','cv03','cv04','cv11';}
+.\\\\[font-variation-settings\\\\:\\\\\\"wght\\\\\\"_400\\\\,_\\\\\\"opsz\\\\\\"_14\\\\]{font-variation-settings:\\"wght\\" 400, \\"opsz\\" 14;}
 .\\\\[margin\\\\:logical_1rem_2rem_3rem\\\\]{margin:logical 1rem 2rem 3rem;}
 .all-\\\\[\\\\.target\\\\]-\\\\[combinator\\\\:test-2\\\\] .target,
 .children-\\\\[\\\\.target\\\\]-\\\\[combinator\\\\:test-2\\\\]>.target,

test/assets/preset-mini-targets.ts

@@ -850,6 +850,12 @@ export const presetMiniTargets: string[] = [
   '[content:attr(attr_content)]',
   '[content:attr(attr\\_content)]',
   '[background-image:url(star_transparent.gif),_url(cat_front.png)]',
+  '[font-family:var(--font-family)]',
+  '[font-family:\'Inter\',_sans-serif]',
+  '[font-feature-settings:\'cv02\',\'cv03\',\'cv04\',\'cv11\']',
+  '[font-variation-settings:"wght"_400,_"opsz"_14]',
+  '[--css-variable:"wght"_400,_"opsz"_14]',
+  '[--escaped\\~variable\\::100%]',
 
   // variants
   'active:scale-4',
@@ -1044,4 +1050,10 @@ export const presetMiniNonTargets = [
 
   // variants - combinator
   'all:[svg]:fill-red',
+
+  // arbitrary css properties edge cases that cause invalid output
+  '[name].[hash:9]',
+  '["update:modelValue"]',
+  // escaped arbitrary css properties only allowed in css variables
+  '[cant\~escape:me]',
 ]