@modbus-ts/core

Core contracts and error types used across modbus-ts packages.

Core Exports

• ConnectionState
• Transport
• ModbusRequest
• ModbusResponse
• RequestTask
• Subscription
• TimeoutError
• ConnectionClosedError
• ProtocolError
• TransportError

Minimal Example

import { ProtocolError, type Transport } from '@modbus-ts/core'

function assertConnected(transport: Transport): void {
  if (!transport) {
    throw new ProtocolError('transport missing')
  }
}

Why This Package Exists

• Defines stable cross-package interfaces
• Standardizes error naming and behavior
• Keeps transport and protocol layers decoupled

Dev

pnpm --filter @modbus-ts/core test