code: function symlinkOrCopySync(dir, target) {
    try {
      symlinkOrCopy.sync(dir, target);
    } catch (e) {
      if (existsSync(target)) {
        rimraf.sync(target);
      }
      symlinkOrCopy.sync(dir, target);
    }
  }
docs: Symlink or copy a directory
  @param {String} dir Path to an existing
  @param {String} target Path of the symlink to create