expressjsHow can I use express-zip js to zip and download files?

Express-zip is a library for Node.js that can be used to zip and download files. It provides a simple API for compressing files into a zip archive and streaming the archive to the client.

Here is an example of how to use express-zip to zip and download files.

const express = require('express');
const expressZip = require('express-zip');

const app = express();

app.get('/download', (req, res) => {
  const files = [
    { path: 'file1.txt', name: 'file1.txt' },
    { path: 'file2.txt', name: 'file2.txt' },
  ];
  res.zip(files, 'files.zip');
});

app.listen(3000);

This example will create a zip archive from two files, file1.txt and file2.txt, and stream it to the client.

Here is a breakdown of the code:

• const express = require('express');: Loads the Express.js library.
• const expressZip = require('express-zip');: Loads the Express-zip library.
• const app = express();: Creates an Express.js application.
• app.get('/download', (req, res) => {: Defines a route handler for the GET /download route.
• const files = [: Defines an array of files to be included in the zip archive.
• res.zip(files, 'files.zip');: Calls the zip() method to create the zip archive and stream it to the client.

For more information, see the express-zip documentation.

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