added keepalive

lib/Client.js

@@ -52,9 +52,16 @@ var Client = (function () {
 	}
 
 	_createClass(Client, [{
-		key: "debug",
+		key: "sendPacket",
+		value: function sendPacket(JSONObject) {
+			if (this.websocket.readyState === 1) {
+				this.websocket.send(JSON.stringify(JSONObject));
+			}
+		}
 
 		//def debug
+	}, {
+		key: "debug",
 		value: function debug(message) {
 			console.log(message);
 		}
@@ -68,6 +75,15 @@ var Client = (function () {
 		value: function off(event, fn) {
 			this.events["delete"](event);
 		}
+	}, {
+		key: "keepAlive",
+		value: function keepAlive() {
+			this.debug("keep alive triggered");
+			this.sendPacket({
+				op: 1,
+				d: Date.now()
+			});
+		}
 
 		//def trigger
 	}, {
@@ -190,6 +206,10 @@ var Client = (function () {
 						self.trigger("ready");
 						self.debug("cached " + self.serverCache.size + " servers, " + self.channelCache.size + " channels and " + self.userCache.size + " users.");
 
+						setInterval(function () {
+							self.keepAlive.apply(self);
+						}, data.heartbeat_interval);
+
 						break;
 					default:
 						self.debug("received unknown packet");