Node.js

Gzip Compress In Memory and Base64 Encode

See more Gzip Examples

Demonstrates how to Gzip compress in-memory data and then encode the compressed data to base64. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var gzip = new chilkat.Gzip();

    // This example will load a file into the fileData object.
    // Your application might load fileData from other sources..
    var fileData = new chilkat.BinData();
    success = fileData.LoadFile("qa_data/xml/hamlet.xml");
    if (success !== true) {
        console.log("Failed to load file.");
        return;
    }

    // In-place compress the contents of fileData
    success = gzip.CompressBd(fileData);
    if (success !== true) {
        console.log(gzip.LastErrorText);
        return;
    }

    // Get the base64 encoded compressed data (in a single line).
    var strBase64 = fileData.GetEncoded("base64");
    console.log(strBase64);
    console.log("--------");

    // To get the base64 in multiple lines, as it might appear in MIME,
    // use "base64-mime".
    var strBase64MultiLine = fileData.GetEncoded("base64-mime");
    console.log(strBase64MultiLine);

}

chilkatExample();