stylelint-bundle-worker.js
function zip(a, b) {
  var arr = [];
  for (var ch in a) arr.push([a[ch], b[ch]]);
  return arr;
}
function zip(a, b) {
  var arr = [];
  for (var ch in a) arr.push([a[ch], b[ch]]);
  return arr;
}
Zip strings (`for in` can be used on string characters)