fix: chat-app do not send empty messages

examples/chat-app/src/common.rs

@@ -18,7 +18,7 @@ pub enum ServerNetMessage {
 	UserConnected { name: String },
 }
 
-type Serdes = channels::serdes::Json;
+type Serdes = channels::serdes::Bincode;
 
 #[derive(Debug)]
 pub struct ClientSide {

examples/chat-app/src/connect.rs

@@ -53,12 +53,15 @@ pub async fn connect(
 				line.clear();
 				stdin.read_line(&mut line).await.context("failed to read line from stdin")
 			} => {
-				r?;
+				let _ = r?;
+				let line = line.trim();
 
-				state
-					.net
-					.send(ClientNetMessage::SendMessage { content: line.trim().to_owned() })
-					.await.context("failed to send message")?;
+				if !line.is_empty() {
+					state
+						.net
+						.send(ClientNetMessage::SendMessage { content: line.to_owned() })
+						.await.context("failed to send message")?;
+				}
 			}
 			r = state.net.recv() => {
 				let message = r.context("failed to receive message")?;

examples/chat-app/src/serve.rs

@@ -64,10 +64,13 @@ async fn handle_client(state: State<Unauthenticated>) -> Result<()> {
 			r = client.net.recv() => {
 				match r? {
 					ClientNetMessage::SendMessage { content } => {
-						client.srv.send(Notification::ChatMessage {
-							owner: client.state.name.clone(),
-							content,
-						});
+						let content = content.trim();
+						if !content.is_empty() {
+							client.srv.send(Notification::ChatMessage {
+								owner: client.state.name.clone(),
+								content: content.to_owned(),
+							});
+						}
 					}
 					_ => bail!("unexpected message received")
 				}