const Planner = require('plannerjs').default;

// or

import Planner              from 'plannerjs';

const planner = new Planner();

planner.query({
  from: "http://irail.be/stations/NMBS/008812005", // Brussels North
  to: "http://irail.be/stations/NMBS/008892007", // Ghent-Sint-Pieters
  minimumDepartureTime: new Date("Mon Feb 11 2019 16:00:00"),
  maximumArrivalTime: new Date("Mon Feb 11 2019 19:00:00"),
  publicTransportOnly: true,
  
  walkingSpeed: 3, // KmH
  minimumWalkingSpeed: 3, // KmH
 
  maximumWalkingDistance: 200, // meters
  
  minimumTransferDuration: Planner.Units.fromMinutes(1),
  maximumTransferDuration: Planner.Units.fromMinutes(30),
  
  maximumTravelDuration: Planner.Units.fromHours(1.5),
  
  maximumTransfers: 4,
})
  .take(3)
  .on('data', (path) => {
   console.log(path);
  })
  .on('end', () => {
    console.log('No more paths!')
  })
  .on('error', (error) => {
    console.error(error);
  });