(Node.js) Add File Attachments to an Email

Demonstrates how to add one or more file attachments to an email.

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 email = new chilkat.Email();

    email.Subject = "This is a test";
    email.Body = "This is a test";
    email.From = "support@chilkatsoft.com";
    var success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com");

    // To add file attachments to an email, call AddFileAttachment
    // once for each file to be attached.  The method returns
    // the content-type of the attachment if successful, otherwise
    // returns cknull
    var contentType;

    contentType = email.AddFileAttachment("something.pdf");
    if (email.LastMethodSuccess !== true) {
        console.log(email.LastErrorText);
        return;
    }

    contentType = email.AddFileAttachment("something.xml");
    if (email.LastMethodSuccess !== true) {
        console.log(email.LastErrorText);
        return;
    }

    contentType = email.AddFileAttachment("something.zip");
    if (email.LastMethodSuccess !== true) {
        console.log(email.LastErrorText);
        return;
    }

    success = email.SaveEml("email.eml");
    if (success == false) {
        console.log(email.LastErrorText);
        return;
    }

    console.log("Saved EML!");

}

chilkatExample();