(Node.js) Append Encoded Binary Data to StringBuilder

Demonstrates how to append encoded binary data to the contenets of a StringBuilder.

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() {

    var bd = new chilkat.BinData();

    var success = bd.LoadFile("qa_data/jpg/starfish.jpg");
    if (success == false) {
        console.log("Failed to load file.");
        return;
    }

    // For example, let's say we want construct simple JSON containing the base64 representation of the above JPG file.
    var sb = new chilkat.StringBuilder();
    sb.Append("{ \"jpg\": \"");
    // GetEncodedSb appends the enocded representation of the binary data to the StringBuiler passed in the 2nd arg.
    bd.GetEncodedSb("base64",sb);
    sb.Append("\" }");

    console.log(sb.GetAsString());

    // Output looks like this:
    //  { "jpg": "/9j/4AAQSkZJRgABAg...rcQ+vo//2Q==" }

}

chilkatExample();