/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 vote355 views1 answer
Node middle code for server
Javascript Node.js
13 votes388 views4 answers
Setinterval nodejs
Javascript Node.js
11 votes358 views4 answers
Get file extension nodejs
Javascript Node.js
-1 vote381 views2 answers
Node js module require multiple functions from one node
Javascript Node.js
0 vote361 views1 answer
Mongoose connection increase timeout in node js
Javascript Node.js
1 vote352 views1 answer
Node js starting template
Javascript Node.js
0 vote355 views1 answer
Nodejs heap usage
Javascript Node.js
0 vote335 views1 answer
Node js require all function from another file
Javascript Node.js
6 votes352 views2 answers
Node code to read json file
Javascript Node.js
0 vote370 views1 answer
Node pg array in
Javascript Node.js