module.exports = function isStandardSyntaxProperty(property) { // SCSS var (e.g. $var: x), list (e.g. $list: (x)) or map (e.g. $map: (key:value)) if (property[0] === '$') { return false; } // Less var (e.g. @var: x) if (property[0] === '@') { return false; } // SCSS or Less interpolation if (/#{.+?}|@{.+?}|\$\(.+?\)/.test(property)) { return false; } return true; };