fix issues with error handling

examples/chat/pages/chat.$id.go

@@ -26,7 +26,7 @@ func ChatRoom(ctx *h.RequestContext) *h.Page {
 					js.ConsoleLog("Connected to chat room"),
 				),
 
-				h.HxOnSseClose(
+				h.HxOnSseError(
 					js.EvalJs(fmt.Sprintf(`
 						const reason = e.detail.event.data
 						if(['invalid room', 'no session', 'invalid user'].includes(reason)) {

examples/chat/ws/handler.go

@@ -31,7 +31,7 @@ func Handle() http.HandlerFunc {
 		}
 
 		ctx := r.Context()
-		done := make(chan CloseEvent, 1)
+		done := make(chan bool, 1)
 		writer := make(WriterChan, 1)
 
 		wg := sync.WaitGroup{}
@@ -51,18 +51,15 @@ func Handle() http.HandlerFunc {
 				select {
 				case <-ctx.Done():
 					return
-				case reason := <-done:
-					fmt.Printf("closing connection: %s\n", reason.Reason)
+				case <-done:
+					fmt.Printf("closing connection: \n")
 					return
 				case <-ticker.C:
 					manager.Ping(sessionId)
 				case message := <-writer:
 					_, err := fmt.Fprintf(w, message)
 					if err != nil {
-						done <- CloseEvent{
-							Code:   -1,
-							Reason: err.Error(),
-						}
+						done <- true
 					} else {
 						flusher, ok := w.(http.Flusher)
 						if ok {

examples/chat/ws/manager.go

@@ -8,7 +8,7 @@ import (
 
 type EventType string
 type WriterChan chan string
-type DoneChan chan CloseEvent
+type DoneChan chan bool
 
 const (
 	ConnectedEvent    EventType = "connected"
@@ -101,7 +101,7 @@ func (manager *SocketManager) OnMessage(id string, message map[string]any) {
 	})
 }
 
-func (manager *SocketManager) Add(roomId string, id string, writer chan string, done chan CloseEvent) {
+func (manager *SocketManager) Add(roomId string, id string, writer WriterChan, done DoneChan) {
 	manager.idToRoom.Store(id, roomId)
 
 	sockets, ok := manager.sockets.LoadOrCompute(roomId, func() *xsync.MapOf[string, SocketConnection] {
@@ -148,11 +148,8 @@ func (manager *SocketManager) CloseWithMessage(id string, message string) {
 	conn := manager.Get(id)
 	if conn != nil {
 		defer manager.OnClose(id)
-		manager.writeText(*conn, "close", message)
-		conn.Done <- CloseEvent{
-			Code:   -1,
-			Reason: message,
-		}
+		manager.writeText(*conn, "error", message)
+		conn.Done <- true
 	}
 }
 
@@ -160,10 +157,7 @@ func (manager *SocketManager) Disconnect(id string) {
 	conn := manager.Get(id)
 	if conn != nil {
 		manager.OnClose(id)
-		conn.Done <- CloseEvent{
-			Code:   -1,
-			Reason: "",
-		}
+		conn.Done <- true
 	}
 }