node.js - NodeJS Websocket how to reconnect when server restarts

Question

In Node.js I'm using websockets/ws for a WebSocket connection. Below is the code for the client. Let's say the server socket we are connecting to goes down for a minute. The close event will fire, but what is the best way to reconnect to the socket whenever the socket on the server goes down or errors?

var ws = new WebSocket('ws://localhost');

ws.on('open', function() {
    console.log('socket open');
});
ws.on('error', function() {
    console.log('socket error');
    // how do I reconnect to the ws after x minutes here?
});
ws.on('close', function() {
    console.log('socket close');
    // how do I reconnect to the ws after x minutes here?
});

Answer 1

Try this:

var reconnectInterval = x * 1000 * 60;
var ws;
var connect = function(){
    ws = new WebSocket('ws://localhost');
    ws.on('open', function() {
        console.log('socket open');
    });
    ws.on('error', function() {
        console.log('socket error');
    });
    ws.on('close', function() {
        console.log('socket close');
        setTimeout(connect, reconnectInterval);
    });
};
connect();

You get to use the original implementation without having to wrap it.