stylelint-bundle-worker.js
function detectSeparator(a, b, step, isNum, isDescending) {
  var isChar = isCharClass(a, b, step, isNum, isDescending);
  if (!isChar) {
    return '|';
  }
  return '~';
}
function detectSeparator(a, b, step, isNum, isDescending) {
  var isChar = isCharClass(a, b, step, isNum, isDescending);
  if (!isChar) {
    return '|';
  }
  return '~';
}
Detect the correct separator to use