node_modules/stylelint/lib/utils/isStandardSyntaxMediaFeatureName.js

/* @flow */
"use strict";

/**
 * Check whether a media feature name is standard
 */
module.exports = function(mediaFeatureName /*: string*/) /*: boolean*/ {
  // SCSS interpolation
  if (/#{.+?}|\$.+?/.test(mediaFeatureName)) {
    return false;
  }

  return true;
};