Function on

on(
event: "added" | "removed",
listener: (port: { name: string; path: string }) => void,
): void
Register a listener for serial port connection and disconnection events.
Parameters
- event: "added" | "removed"
  The event to listen for
- listener: (port: { name: string; path: string }) => void
  Called when a matching serial port event occurs
Returns void
Throws
Throws an Error on failure; wrap calls in try/catch to handle it.