Super simple Node.js IPC with Unix domain sockets

node-ipc.js

const net = require('net');

const socketPath = '/tmp/my.unix.sock';

const server = net
  .createServer()
  .on('connection', (stream) => {
    console.log('Server: client connected');

    stream.setEncoding('utf-8');

    stream.on('end', () => {
      console.log('Server: client disconnected');
    });

    stream.on('data', (msg) => {
      console.log('Server: got client message:', msg);
      if (msg === 'command') {
        stream.write('command response');
      }
    });
  })
  .on('close', () => {
    console.log('Server: shut down');
  })
  .listen(socketPath, () => {
    console.log('Server bound to socket at path:', socketPath);
  });

const client = net.createConnection(socketPath);

client
  .setEncoding('utf-8')
  .on('connect', () => {
    console.log('Client: connected to server');
    client.write('command');
    client.end();
    server.close();
  })
  .on('data', (data) => {
    console.log('Client: got server message:', data);
  })
  .on('end', () => {
    console.log('Client: disconnected');
  })
  .on('error', (data) => console.error(data));