code: function scan (sourceCode, filePath)
    {
      /* jshint -W083 */
      var match;
      while ((match = MATCH_DIRECTIVE.exec (sourceCode))) {
        match[1].split (',').forEach (function (s)
        {
          var url = s.match (/(["'])(.*?)\1/)[2];
          paths.push (path.normalize (path.dirname (filePath) + '/' + url));
        });
      }
    }
docs: -------------------------------------------------------------------------------------------------------------------- PRIVATE -------------------------------------------------------------------------------------------------------------------- 
  Extracts file paths from embedded comment references to templates and appends them to `paths`.
  @param {string} sourceCode
  @param {string} filePath