[英]Easily create multiple socket.io events in node.js
Just a quick question around optimisation and DRY. 关于优化和DRY的一个简单问题。 I have my node server and everything works as it should, but I want to know how to clean up for future devs.
我有节点服务器,一切正常,但是我想知道如何为将来的开发人员清理。 I have a set of events being assigned like so:
我分配了一组事件,如下所示:
var debug = true;
io.sockets.on('connection', function (socket) {
console.log('User connected!');
socket.on('event-one', function (data) {
if(debug) { console.log('Event 1!'); }
socket.broadcast.emit('event-one', data);
});
socket.on('event-two', function (data) {
if(debug) { console.log('Event 2!'); }
socket.broadcast.emit('event-two', data);
});
socket.on('event-three', function (data) {
if(debug) { console.log('Event 3!'); }
socket.broadcast.emit('event-three', data);
});
});
As you can see I'm repeating the socket.on() method. 如您所见,我正在重复socket.on()方法。 Is there a more efficient way of writing this?
有没有更有效的方式编写此代码? I tried a simple array with a for loop but the events stopped working.
我尝试了一个带有for循环的简单数组,但是事件停止了工作。
Any input would be appreciated. 任何输入将不胜感激。 Thanks.
谢谢。
Not sure why your loop didn't work, this works just fine: 不知道为什么循环不起作用,这很好用:
var debug = true;
var events = [ 'event-one', 'event-two', 'event-three' ];
io.sockets.on('connection', function (socket) {
events.forEach(function(ev) {
socket.on(ev, function(data) {
if (debug) {
console.log('got event:', ev);
}
socket.broadcast.emit(ev, data);
});
});
});
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