How to Zip files in Node.js

Sometimes you need to zip folder or files in Node.js backend development.

Jszip is for creating, reading and editing .zip files with JavaScript, with a lovely and simple API.

See https://stuk.github.io/jszip for all the documentation.

var zip = new JSZip();

zip.file("Hello.txt", "Hello World\n");

var img = zip.folder("images");
img.file("smile.gif", imgData, {base64: true});

zip.generateAsync({type:"blob"}).then(function(content) {
    // see FileSaver.js
    saveAs(content, "example.zip");

Results in a zip containing

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