Node egg.js using superagent to do file forwarding

File upload and forward using egg.js + superagent

//App/controller/file.jsConstController= require(' Egg ').Controller;ConstFs= require(' FS ')ConstRequest= require(' superagent ')ConstSendtowormhole= require(' Stream-wormhole ')ConstToArray= require(' Stream-to-array ');ConstPath= require(' path ');ConstUuid= require(' Uuid/v1 ');classFilecontrollerextendsController{Asyncfile(){        Const {CTx,App} =  This;        //Get uploaded files         LetStream;        Try {Stream=AwaitCTX.GetFileStream();        } Catch(e){            Console.Error(' file not present or file error ');        }        if(!Stream{            CTX.Throw(403,' file not present or file error ')return false;        }        ConstNameID= UUID().Replace(/-/g, '');        ConstFileName=NameID+ '.' + Stream.filename.toLowerCase().Split('.').Pop();        //file temporarily exists under the App/public folder        ConstTarget= Path.Join( This.Config.BaseDir, ' App/public ',FileName;        ConstUrl= ' upload address ';        //upload using superagent        Try {            //Convert stream            ConstParts=AwaitToArray(stream);             LetBuf= Buffer.concat(parts);            //write file save to local            FS.Writefilesync(Target,Buf;            //Upload            ConstRes=Await request.Post(URL).Attach(' file ',Target,FileNameCTX.Body = Res.text;        } Catch(ERR){            //The uploaded file stream must be consumed or the browser response will be jammedAwaitSendtowormhole(stream);            CTX.Throw( -,' Error on file ');        }                //Because only temporary save, delete the file after the upload is complete        FS.unlink(Target, function(ERR){            if(!Err{                Console.Log(' file deleted: ',Target;            }        });    }}Module.exports =Filecontroller;

Address Resource Links
Superagent Official documents

http://visionmedia.github.io/superagent/

Egg File Upload Reference document

Https://eggjs.org/zh-cn/basics/controller.html#%E8%8E%B7%E5%8F%96%E4%B8%8A%E4%BC%A0%E7%9A%84%E6%96%87%E4%BB%B6

Node egg.js using superagent to do file forwarding