transport.rb in isomorfeus-transport-2.3.0

- old
+ new

@@ -1,9 +1,11 @@
 module Isomorfeus
   module Transport
     class << self
       if RUBY_ENGINE == 'opal'
+        PING = `JSON.stringify({iso_ping: true})`
+
         attr_accessor :socket
 
         def init
           @socket = nil
           promise_connect if Isomorfeus.on_browser? || Isomorfeus.on_mobile?
@@ -55,11 +57,19 @@
             requests_in_progress[:requests].each_key do |request|
               agent = get_agent_for_request_in_progress(request)
               open_promise.then { promise_send_request(request) } if agent && !agent.sent
             end
             open_promise.then { promise.resolve(true) }
+            keep_session_alive if on_browser?
           end
           promise
+        end
+
+        def keep_session_alive
+          after 480000 do
+            @socket.send(PING)
+            keep_session_alive
+          end
         end
 
         def disconnect
           @socket.close if @socket
           @socket = nil