code: function author() {
        function _author(author) {
          var format;
          if (typeof author === 'string') {
            return author;
          }
          format = require('util').format;
          return format('%s <%s>', author.name, author.email);
        }
  
        if (Array.isArray(pkg.author)) {
          return pkg.author.map(function (author) {
            return _author(author);
          }).join(', ');
        }
        return _author(pkg.author);
      }
docs: Normalizes `author` field of `package.json`.
  @returns {string} Author name(s) and email(s)