nrfutil-dfu.js

const PythonShell = require('python-shell');

// Assumes that pc-nrfutil exists in $CWD/python/pc-nrfutil

const options = {
    mode: 'text',
    cwd: `${__dirname}/python/pc-nrfutil`,
    args: [
      '-v',
      'dfu',
      'ble',
      '-f',
      '--package',
      '/path/to/sdk13/examples/dfu/ble_dfu_send_hex/test_images_update_nrf52832/dfu_test_softdevice_bootloader_s132.zip',
      '-ic',
      'NRF52',
      '--port',
      '/dev/ttyACM1'
    ]
};

const script = 'nordicsemi/__main__.py';

const shell = new PythonShell(script, options);

shell.on('message', function (message) {
    console.log(message);
});

shell.on('error', function (error) {
    console.log(error);
});