connection-scan-algorithm-basic-interchange.ts

function isReachable(results: Results, c: Connection): boolean {
  const interchangeRequired = results.bestConnections[c.origin] 
    && results.bestConnections[c.origin].tripId != c.tripId;
  const interchangeTime = interchangeRequired ? interchangeTimeAt(c.origin) : 0;

  return results.earliestArrival[c.origin] && results.earliestArrival[c.origin] + interchangeTime <= c.departureTime;
}