(Node.js) Iterate Email Headers

Demonstrates how to iterate over the email header fields.

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();

    // First, load an email from a file. 
    // Note: an email object may be loaded from a file, or
    // downloaded directly from a POP3 or IMAP server...
    var success;
    success = email.LoadEml("testReceivedHdrs.eml");
    if (success !== true) {
        console.log(email.LastErrorText);
        return;
    }

    // How many header fields?
    var n;
    n = email.NumHeaderFields;
    if (n > 0) {

        // Display the name and value of each header:
        var i;
        var name;
        var value;
        for (i = 0; i <= n - 1; i++) {
            name = email.GetHeaderFieldName(i);
            value = email.GetHeaderFieldValue(i);
            console.log(i);
            console.log(name);
            console.log(value);

        }

    }


}

chilkatExample();