let socket = io();

socket.on('connect', () => {
    let persistToken = localStorage.getItem('playerToken')
    if (persistToken) {
        socket.emit('token:set', persistToken);
    } else {
        socket.emit('token:refresh');
    }
});

socket.on('token:expired', () => { // token已过期，重载整个播放器
    socket.emit('token:refresh');
});

socket.on('token:update', (token) => { // 收到token
    console.log('new token: ', token);
    localStorage.setItem('playerToken', token)
});