/Javascript/Node.js/Nodejs express use streams

Nodejs express use streams

const fs = require("fs"),
   tar = require("tar-stream");

app.get("/fileFromTar/*", (req, res) => {
   const fileWanted = req.params[0],
      readStream = fs.createReadStream('myTarFile.tar'),
      extractor = tar.extract();

   extractor.on('entry', (header, stream, next) => {
      stream.on('end', next);

      if (header.name === fileWanted) {
         const { size } = header;
         res.set({
           "Content-Type": 'audio/flac', // or whichever one applies
           "Content-Length": size,
           "Content-Range": `bytes 0-${size}/${size}`
         });
         stream.pipe(res);
      }
      else stream.resume();
   });
   readStream.pipe(extractor);
});

Source: stackoverflow.com

Similar codes

0 vote236 views2 answers
Buffer to image nodejs
Javascript Node.js
3 votes258 views1 answer
Using dto in node js
Javascript Node.js
1 vote232 views2 answers
Typeerror cannot read property 'push' of undefined nodejs
Javascript Node.js
103 votes288 views6 answers
How to install node js in ubuntu
Javascript Node.js
1 vote229 views1 answer
Node js starting template
Javascript Node.js
-2 votes214 views1 answer
Nodejs fs writefile base64url
Javascript Node.js
0 vote253 views1 answer
Random integer in nodejs
Javascript Node.js
0 vote224 views1 answer
Node js hello word
Javascript Node.js
0 vote268 views1 answer
Like dislike node js
Javascript Node.js
0 vote232 views1 answer
Node express dynamic route and error handler
Javascript Node.js