node-fxplc/dist/esm/TransportNull.js

Node.js library for low-level Mitsubishi FX (MELSEC) PLC framed protocol communication

// TransportNull.js - no-op transport for tests / mock usage
export class TransportNull {
    /** Simulate write (discard data) */
    async write(_data) { }
    /** Always resolve with empty buffer */
    async read(_size) { return Buffer.alloc(0); }
    /** No resource to close */
    close() { }
}