/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

1 vote103 views1 answer
Download file axios nodejs
Javascript Node.js
9 votes111 views2 answers
Nodejs command line arguments
Javascript Node.js
35 votes127 views3 answers
Export function node js
Javascript Node.js
0 vote108 views1 answer
How to find the radius of a loacation in node js
Javascript Node.js
0 vote112 views1 answer
Node promisify without err
Javascript Node.js
0 vote115 views1 answer
Celebrate node js
Javascript Node.js
0 vote100 views1 answer
Use node js as backend with angular frontend
Javascript Node.js
2 votes109 views1 answer
Promise syntax in node js
Javascript Node.js
54 votes229 views6 answers
How to update node js version
Javascript Node.js
0 vote108 views1 answer
How to load and parse the json data in node js
Javascript Node.js