How can I upload a zip file using nodejs and extract it?

Question

I want to upload a zip file into the server using node.So can any one help me to figure it out.

Answer 1

First upload your zip file using Multer:

var storage = multer.diskStorage({
  destination: function (req, file, cb) {
    cb(null, '/tmp/my-uploads')
  },
  filename: function (req, file, cb) {
    cb(null, file.fieldname + '-' + Date.now())
  }
})

var upload = multer({ storage: storage })

Then unzip it using unzipper module:

1) Install unzipper module

npm i unzipper

2) ExtractZip.js JavaScript

const unzipper = require('./unzip');
var fs = require('fs');


fs.createReadStream('path/to/archive.zip')
  .pipe(unzipper.Parse())
  .on('entry', function (entry) {
    const fileName = entry.path;
    const type = entry.type; // 'Directory' or 'File'
    const size = entry.vars.uncompressedSize; // There is also compressedSize;
    if (fileName === "this IS the file I'm looking for") {
      entry.pipe(fs.createWriteStream('output/path'));
    } else {
      entry.autodrain();
    }
  });

// Source

Test:

c:\Samim>node ExtractZip.js