code: function parseFile(dir, filename) {
    const filePath = path.join(dir, filename);
    const fileStat = fs.statSync(filePath);
    const fileExt = path.extname(filename);
  
    return {
      path: filePath,
      stat: fileStat,
      ext: fileExt
    };
  }
docs: Parses relevant file properties into a single object.
  
  @param {string} dir
  @param {string} filename
  @returns {Object}