bc518174
 王天杨
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const checkStringStartsWith = (token) => (key) => typeof key === "string" && key.startsWith(token);
const isCSSVariableName =
/*@__PURE__*/ checkStringStartsWith("--");
const startsAsVariableToken =
/*@__PURE__*/ checkStringStartsWith("var(--");
const isCSSVariableToken = (value) => {
const startsWithToken = startsAsVariableToken(value);
if (!startsWithToken)
return false;
// Ensure any comments are stripped from the value as this can harm performance of the regex.
return singleCssVariableRegex.test(value.split("/*")[0].trim());
};
const singleCssVariableRegex = /var\(--(?:[\w-]+\s*|[\w-]+\s*,(?:\s*[^)(\s]|\s*\((?:[^)(]|\([^)(]*\))*\))+\s*)\)$/iu;
/**
* Check if a value contains a CSS variable anywhere (e.g. inside calc()).
* Unlike isCSSVariableToken which checks if the value IS a var() token,
* this checks if the value CONTAINS var() somewhere in the string.
*/
function containsCSSVariable(value) {
if (typeof value !== "string")
return false;
// Strip comments to avoid false positives
return value.split("/*")[0].includes("var(--");
}
export { containsCSSVariable, isCSSVariableName, isCSSVariableToken };
//# sourceMappingURL=is-css-variable.mjs.map
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