notes/node_modules/stylelint/lib/utils/hasPsvInterpolation.js

/* @flow */
"use strict"

/**
 * Check whether a string has postcss-simple-vars interpolation
 */
module.exports = function (string/*: string*/)/*: boolean*/ {
  if (/\$\(.+?\)/.test(string)) {
    return true
  }

  return false
}