JAVASCRIPT

create file node javascript

var fs = require('fs');

fs.open('mynewfile2.txt', 'w', function (err, 
  file) {
  if (err) throw err;
  console.log('Saved!');
});

create file node

fs.writeFile('<fileName>',<contenet>, callbackFunction)

create file node

fs.appendFile('<fileName>',<contenet>, callbackFunction)

create file object node js

  var imagePath = path.join('/images/logo.png', 'logo.png');

  if (fs.statSync(imagePath)) {
     var bitmap = fs.readFileSync(imagePath);
     var bufferImage = new Buffer(bitmap);

     Magic = mmm.Magic;
     var magic = new Magic(mmm.MAGIC_MIME_TYPE);
     magic.detectFile(imagePath, function(err, result) {
          if (err) throw err;
          datas = [{"buffer": bufferImage, "mimetype": result, "originalname": path.basename(imagePath)}];
          var JsonDatas= JSON.parse(JSON.stringify(datas));
          log.notice(JsonDatas);
     });
 }

create file node

fs.open('<fileName>',<file_open_mode>, callbackFunction)