file upload and progress api
$ component install component/upload
error an error occurredprogress (e) upload in progress (e.percent, e.totalSize etc)end upload is completeInitialize an Upload with the given file, where file
is a File object, for example from a input.files[0] FileList.
var upload = new Upload(file);
var upload = Upload(file);
POST the multipart upload to path.
upload.to('/upload');
upload.on('progress', reportProgress);
upload.on('end', done);
Run the Express test server:
$ npm install
$ make test
MIT