code: function checkAndDownloadBinary() {
    try {
      process.sass.getBinaryPath(true);
      return;
    } catch (e) { }
  
    mkdir(path.dirname(process.sass.binaryPath), function(err) {
      if (err) {
        console.error(err);
        return;
      }
  
      download(process.sass.binaryUrl, process.sass.binaryPath, function(err) {
        if (err) {
          console.error(err);
          return;
        }
  
        console.log('Binary downloaded and installed at', process.sass.binaryPath);
      });
    });
  }
docs: Check and download binary
  
  @api private