(Node.js) Zip One File

Zip a single file.

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();

    var success = zip.NewZip("test.zip");
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // In this example, the file we wish to zip is /temp/abc123/HelloWorld123.txt

    // Add a reference to a single file by calling AppendOneFileOrDir
    // Note: You may use either forward or backward slashes.
    var saveExtraPath = false;
    success = zip.AppendOneFileOrDir("/temp/abc123/HelloWorld123.txt",saveExtraPath);
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    var success = zip.WriteZipAndClose();
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // A .zip containing "HelloWorld123.txt" with no path information has been created.
    console.log("Zip Created!");

    // Perhaps you want to include a path in the .zip such that when unzipping, a sub-directory
    // is automatically created and the file unzipped into it.  Use PathPrefix:

    // (We'll skip checking the success/failure return value.)

    // Set a PathPrefix to get the relative path you want:
    // The .zip will contain this entry: "myApp/HelloWorld123.txt"
    success = zip.NewZip("test2.zip");
    zip.PathPrefix = "myApp/";
    success = zip.AppendOneFileOrDir("/temp/abc123/HelloWorld123.txt",saveExtraPath);
    success = zip.WriteZipAndClose();

}

chilkatExample();