myDerps.js

const shell = require('node-powershell');
 
let ps = new shell({
  executionPolicy: 'Bypass',
  noProfile: true
});



function psPing(thisIP) {
  ps.addCommand('Test-Connection -quiet -count 1 ' + thisIP)
  ps.invoke()
  .then(output => {
    console.log(output);
    return output;
  })
  .catch(err => {
    console.log(err);
    ps.dispose();
  });
}

// I would like to be able to do this:
console.log(psPing("192.168.0.1"));