Improve SSE example in todo-htmx

examples/todo-htmx/main.go

@@ -43,7 +43,7 @@ const (
  </tr>
  </thead>
 
- <tbody hx-ext="sse" sse-connect="/todos/listen" sse-swap="data" hx-swap="beforeend">
+ <tbody hx-ext="sse" sse-connect="/todos/listen" sse-swap="newTODO" hx-swap="beforeend">
  <form hx-post="/todos" hx-swap="none" hx-on::after-request="this.reset()">
  <td>
  <input class="uk-input" name="Title" type="text">
@@ -136,11 +136,15 @@ func main() {
 
  // Push events onto the SSE channel when new TODOs are created
  api.SetOnCreateOrUpdate(func(r *http.Request, t *TODO) *babyapi.ErrResponse {
- if r.Method == http.MethodPost {
- select {
- case todoChan <- &babyapi.ServerSentEvent{Event: "data", Data: t.HTML(r)}:
- default:
- }
+ if r.Method != http.MethodPost {
+ return nil
+ }
+
+ select {
+ case todoChan <- &babyapi.ServerSentEvent{Event: "newTODO", Data: t.HTML(r)}:
+ default:
+ logger := babyapi.GetLoggerFromContext(r.Context())
+ logger.Info("no listeners for server-sent event")
  }
  return nil
  })