code: function commentWrap(string, type) {
    let open, close;
  
    if (type == 'html') {
      open = '<!-- ';
      close = ' -->';
    } else {
      open = '/* ';
      close = ' */';
    }
  
    return open + string + close;
  }
docs: Wrap 'string' in comment based on 'type'
  @param {String} string
  @param {String} type
  @returns {String}