code: function sanitizeKey(obj) {
    if (typeof obj !== 'object') return obj;
    if (Array.isArray(obj)) return obj;
    if (obj === null) return null;
    if (obj instanceof Boolean) return obj;
    if (obj instanceof Number) return obj;
    if (obj instanceof Buffer) return obj.toString();
    for (const k in obj) {
      const escapedK = sjs(k);
      if (escapedK !== k) {
        obj[escapedK] = sanitizeKey(obj[k]);
        obj[k] = undefined;
      } else {
        obj[k] = sanitizeKey(obj[k]);
      }
    }
    return obj;
  }
docs: escape json
  for output json in script