"JS.zip" most likely refers to the library, a widely-used JavaScript tool for zipping and unzipping files.

import { BlobWriter, TextReader, ZipWriter } from "@zip.js/zip-js"; async function createZip() { const zipFileWriter = new BlobWriter(); const zipWriter = new ZipWriter(zipFileWriter); // Add a text file named "hello.txt" with "Hello world!" as content await zipWriter.add("hello.txt", new TextReader("Hello world!")); // Close the writer and get the resulting Blob const zipFileBlob = await zipWriter.close(); return zipFileBlob; } Use code with caution. Alternative: JSZip

JSR by importing zip.js as an ECMAScript module: import * as zip from "jsr:@zip-js/zip-js"; or NPM by running: $ npm install @zip. GitHub Pages documentation index - @zip-js/zip-js - JSR

If you meant the library, which is another popular choice for creating .zip files in JavaScript, you can view its full source on the JSZip GitHub page .

zip.js - JavaScript library to zip and unzip files - Page web

If you are looking for how to use the library to create a zip file, here is a standard implementation using the ZipWriter class from the @zip.js/zip-js package: javascript