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Check if identifier is color or not #317

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asamuzaK wants to merge 2 commits into from
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Check if identifier is color or not #317

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14cac01
Check if identifier is color or not
asamuzaK Mar 1, 2026
0e7c8a8
Add isColorIdentifier() function
asamuzaK Mar 1, 2026
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14 changes: 13 additions & 1 deletion lib/parsers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

const {
resolve: resolveColor,
utils: { cssCalc, resolveGradient, splitValue }
utils: { cssCalc, isColor, resolveGradient, splitValue }
} = require("@asamuzakjp/css-color");
const { next: syntaxes } = require("@csstools/css-syntax-patches-for-csstree");
const csstree = require("css-tree");
Expand Down Expand Up @@ -119,6 +119,17 @@ function isGlobalKeyword(val) {
return GLOBAL_KEYS.has(asciiLowercase(val));
}

/**
* Checks if the value is a color identifier.
*
* @param {string} val - The value to check.
* @returns {boolean} True if the value is a color identifier, false otherwise.
*/
function isColorIdentifier(val) {
const value = asciiLowercase(val);
return SYS_COLORS.has(value) || isColor(value);
}

/**
* Checks if the value starts with or contains a CSS var() function.
*
Expand Down Expand Up @@ -826,6 +837,7 @@ module.exports = {
AST_TYPES,
hasCalcFunc,
hasVarFunc,
isColorIdentifier,
isGlobalKeyword,
isValidPropertyValue,
parseCSS,
Expand Down
11 changes: 9 additions & 2 deletions lib/utils/propertyDescriptors.js
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Expand Up @@ -80,11 +80,18 @@ function createGenericPropertyDescriptor(property, { caseSensitive, dimensionTyp
this._setProperty(property, val, priority);
break;
}
case AST_TYPES.GLOBAL_KEYWORD:
case AST_TYPES.IDENTIFIER: {
case AST_TYPES.GLOBAL_KEYWORD: {
this._setProperty(property, name, priority);
break;
}
case AST_TYPES.IDENTIFIER: {
if ((colorType || paintType) && parsers.isColorIdentifier(value)) {
this._setProperty(property, parsers.serializeColor(parsedValue), priority);
} else {
this._setProperty(property, name, priority);
}
break;
}
case AST_TYPES.PERCENTAGE: {
let numericType;
if (percentageType) {
Expand Down