sending bigInt as ulong (Javascript)

[DrYSG]

I have no problem with doing this in a C++ program, but I am stuck on writing a ulong in JS.

FB has no issue if I used the 32bit process.hrtime() value.

But how does do a createLong() for a 64bit ?

see: [ https://nodejs.org/api/process.html#process_process_hrtime_bigint ]

# commented line does not work
# let timeStamp = process.hrtime.bigint()
        let timeStamp = process.hrtime()
        let ts = builder.createLong(0, timeStamp)
        PNT.Telemetry.startTelemetry(builder)
        PNT.Telemetry.addSystemTime(builder, ts)

FB template file

// Simple Telemetry data from/to Sim and Sensor
namespace PNT;
enum DeviceType:byte { IMU, VAN, GPS, MAGNAV, SOOP }
struct PosVector {
  lat:double;
  lon:double;
  alt:double;
}
table Telemetry {
  source: string;
  systemTime:ulong = 0;
  systemTimeString: string;
  description: string;
  position: PosVector; 
}

root_type Telemetry;

[aardappel]

Already responded here: https://stackoverflow.com/questions/52192977/in-javascript-google-flatbuffers-how-does-one-write-a-ulong/52193251?noredirect=1

Bigints are pretty new to JS, but it would be awesome to have direct support for them in FlatBuffers.

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