code: function link(file, type, options) {
          if (file == null || file.length === 0 || typeof file !== 'string') {
              return null;
          }
  
          if (type && typeof type !== 'string') {
              options = type;
              type = undefined;
          }
  
          for (var i = 0; i < parsers.length; i++) {
              var parser = parsers[i];
  
              if (type ? parser.name === type : parser.pattern.test(file)) {
                  var Handler = new parser.Handler(file, options);
                  Handler.name = parser.name;
                  return Handler;
              }
          }
      }
docs: Links a file to get read and write access to and from that file.
  
  @method link
  @param file {String} The location of the file to link to.
  @param [type=detected] {String} Force a specific parser for unknown file types.
  @param [options=default] {Object} The options to pass to the FileParser that will be created.
  @returns {? extends FileParser} A subclass of FileParser to handle the file if the file's extension is matched,
  or `null` if the file has an invalid path.