(Node.js) Unzip all Files to a Single Directory (Ignoring Subdirectories in Zip)

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

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

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

    var outDir = "c:/temp/testUnzipDir";

    // Make sure our output directory exists.
    var fac = new chilkat.FileAccess();
    var success = fac.DirEnsureExists(outDir);
    if (success == false) {
        console.log(fac.LastErrorText);
        return;
    }

    var zip = new chilkat.Zip();

    // In this example, the xml_files.zip contains some files in the subdirectories "dir1" and also "dir2/dir3".

    // a1.xml
    // b1.xml
    // c1.xml
    // dir1/a2.xml
    // dir1/c2.xml
    // dir2/dir3/c3.xml

    success = zip.OpenZip("qa_data/zips/xml_files.zip");
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // Unzip all files into the directory c:/temp/testUnzipDir
    var numUnzipped = zip.UnzipInto(outDir);
    if (numUnzipped < 0) {
        console.log(zip.LastErrorText);
        return;
    }

    console.log("Num unzipped = " + numUnzipped);

    // After unzipping via UnzipInto, we have this:

    // c:\temp\testUnzipDir\a1.xml
    // c:\temp\testUnzipDir\b1.xml
    // c:\temp\testUnzipDir\c1.xml
    // c:\temp\testUnzipDir\a2.xml
    // c:\temp\testUnzipDir\c2.xml
    // c:\temp\testUnzipDir\c3.xml

    zip.CloseZip();

    console.log("Success.");

}

chilkatExample();