typescript_tcp_protobuf/tcp_server.ts

import * as net from 'net';
import _, {Root} from "protobufjs";
const {load} = _;

const server = net.createServer(socket => {
    socket.on('data', data => {
        load('proto/messages.proto')
            .then((root) => {
                const PersonMessage = (root as Root).lookupType('Messages.Person');
                const person = PersonMessage.decode(data);
                console.log(person);
            });
    });
    socket.write('Hello From echo server.');
});

server.listen(1337, '127.0.0.1');