fix: Remove error parameter on _triggerChanError (supabase#637)

* add docs to some SocketStates

* fix: remove error parameter on _triggerChanError

* add docs to SocketStates

Author: dshukertjr

packages/realtime_client/lib/src/constants.dart

@@ -9,7 +9,22 @@ class Constants {
   };
 }
 
-enum SocketStates { connecting, open, closing, closed, disconnected }
+enum SocketStates {
+  /// Client attempting to establish a connection
+  connecting,
+
+  /// Connection is live and connected
+  open,
+
+  /// Socket is closing.
+  closing,
+
+  /// Socket being close not by the user. Realtime should attempt to reconnect.
+  closed,
+
+  /// Socket being closed by the user
+  disconnected,
+}
 
 enum ChannelStates { closed, errored, joined, joining, leaving }
 

packages/realtime_client/lib/src/realtime_client.dart

@@ -428,15 +428,15 @@ class RealtimeClient {
 
   void _onConnError(dynamic error) {
     log('transport', error.toString());
-    _triggerChanError(error);
+    _triggerChanError();
     for (final callback in stateChangeCallbacks['error']!) {
       callback(error);
     }
   }
 
-  void _triggerChanError([dynamic error]) {
+  void _triggerChanError() {
     for (final channel in channels) {
-      channel.trigger(ChannelEvents.error.eventName(), error);
+      channel.trigger(ChannelEvents.error.eventName());
     }
   }