chore: handle pings

Author: cameri

src/adapters/web-socket-adapter.ts

@@ -81,6 +81,7 @@ export class WebSocketAdapter extends EventEmitter implements IWebSocketAdapter
       .on('message', this.onClientMessage.bind(this))
       .on('close', this.onClientClose.bind(this))
       .on('pong', this.onClientPong.bind(this))
+      .on('ping', this.onClientPing.bind(this))
 
     this
       .on(WebSocketAdapterEvent.Heartbeat, this.onHeartbeat.bind(this))
@@ -258,6 +259,12 @@ export class WebSocketAdapter extends EventEmitter implements IWebSocketAdapter
     this.alive = true
   }
 
+  private onClientPing(data: any) {
+    debugHeartbeat('client %s ping', this.clientId)
+    this.client.pong(data)
+    this.alive = true
+  }
+
   private onClientClose() {
     this.alive = false
     this.subscriptions.clear()