code: function(file) {
      var filePath = path.resolve(file);
  
      if (filePath && fs.existsSync(filePath)) {
        return filePath;
      }
  
      return false;
    }
docs: Resolves file path.
  
  @param {string} file - File path.
  @returns {string|boolean} Resolved file path, or false if path does not
  exist.