Using parentPort.postMessage throw an error

[jgoux]

Hello all,

I'm trying to send messages from my worker to the parent using parentPort.postMessage, but each time I send a message I got the error:

Error: Unexpected message on Worker: {
  type: 'IMPORT_UPDATE',
  payload: { table: 'Table', totalDataSize: 45684934, totalDataRead: 16384 }
}

I'm sending the message this way:

parentPort.postMessage({
      type: 'IMPORT_UPDATE',
      payload: {
        table: tableName,
        totalDataSize,
        totalDataRead: progress.transferred,
      },
    })

I have a listener on my pool ready to handle those messages but it seems it's never called:
pool.on('message', handleMessage)

I'm using node v16.15.1.

I'm not sure what exactly means "Unexpected message on Worker".

[jgoux]

Using a MessageChannel like in this example worked. 👍