如何将此socket.io javascript示例转换为typescript

import * as io from 'socket.io-client';

const socket = io('http://localhost:3000');

socket.on('connect', () => {
  console.log('Connected to server');
});

socket.on('message', (data) => {
  console.log('Received message:', data);
});

socket.emit('message', 'Hello server!');

import * as io from 'socket.io-client';

const socket = io('http://localhost:3000');

socket.on('connect', () => {
  console.log('Connected to server');
});

socket.on('message', (data: string) => {
  console.log('Received message:', data);
});

socket.emit('message', 'Hello server!');

tsc app.ts