(Node.js) Modify Name of File Stored within Zip when Creating a .zip

Demonstrates how to create a zip where the filename within the .zip is different than the filename that was added from the filesystem.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var zip = new chilkat.Zip();

    // Intialize the zip object by calling NewZip.
    var success = zip.NewZip("myZip.zip");

    // Add a reference to a file on disk to the zip object.
    // (When appending files to a zip, the files are not actually
    // read into memory.  References to the file(s) are added.
    // When WriteZip is called, the referenced files are streamed in
    // and compressed to the .zip.)
    var saveExtraPath = false;
    success = zip.AppendOneFileOrDir("/temp/a/hamlet.xml",saveExtraPath);
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // The zip object references a single file.
    // Retrieve the entry object...
    // entry: ZipEntry
    var entry;
    entry = zip.GetEntryByIndex(0);

    // Set the entry's filename to anything you want:
    entry.FileName = "somethingElse.xml";

    // Note: Internally, the zip component retains the name of
    // the file referenced.  The current setting of the zip entry's
    // FileName property is stored in the .zip when writing.

    // The zip written here will contain somethingElse.xml
    success = zip.WriteZipAndClose();
    if (success !== true) {
        console.log(zip.LastErrorText);
    }
    else {
        console.log("Zip created!");
    }


}

chilkatExample();