play nicely with onLeave with 'consent' (server v0.9.12)

Author: endel

colyseus/connection.lua

@@ -48,6 +48,11 @@ function connection:send(data)
 end
 
 function connection:open()
+  -- skip if connection is already open
+  if self.state == 'OPEN' then
+    return
+  end
+
   self.ws = websocket_async()
 
   self.ws:on_connected(function(ok, err)

colyseus/room.lua

@@ -108,7 +108,7 @@ end
 
 function Room:leave()
   if (self.connection) then
-    self.connection:close()
+    self.connection:send({ protocol.LEAVE_ROOM })
 
   else
     self:emit("leave")