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Add WebSocket.send() error handling

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This commit is contained in:
Jared Miller 2026-01-27 17:57:04 -05:00
parent bad4cdac51
commit 2de33370cd
Signed by: shmup
GPG key ID: 22B5C6D66A38B06C
2 changed files with 28 additions and 6 deletions
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10
src/index.ts
View file

@ -47,9 +47,13 @@ Bun.serve({
switch (msg.type) {
case "join": {
if (!isValidRoomName(msg.room)) {
ws.send(
JSON.stringify({ type: "error", message: "invalid room name" }),
);
try {
ws.send(
JSON.stringify({ type: "error", message: "invalid room name" }),
);
} catch (err) {
console.debug("failed to send error to client:", err);
}
break;
}
const session = getOrCreateSession(msg.room);

24
src/session.ts
View file

@ -18,7 +18,13 @@ export class Session {
this.clients.add(client);
// send full state to new client
const state = Y.encodeStateAsUpdate(this.doc);
client.ws.send(encode({ type: "sync", data: Array.from(state) }));
try {
client.ws.send(encode({ type: "sync", data: Array.from(state) }));
} catch (err) {
console.debug("failed to send sync to client, removing:", err);
this.clients.delete(client);
return;
}
this.broadcastPeerCount();
}
@ -37,7 +43,14 @@ export class Session {
// broadcast to others
for (const client of this.clients) {
if (client !== from) {
client.ws.send(encode({ type: "update", data: Array.from(update) }));
try {
client.ws.send(
encode({ type: "update", data: Array.from(update) }),
);
} catch (err) {
console.debug("failed to send update to client, removing:", err);
this.clients.delete(client);
}
}
}
} catch (err) {
@ -54,7 +67,12 @@ export class Session {
broadcastPeerCount() {
const msg = encode({ type: "peers", count: this.clients.size });
for (const client of this.clients) {
client.ws.send(msg);
try {
client.ws.send(msg);
} catch (err) {
console.debug("failed to send peer count to client, removing:", err);
this.clients.delete(client);
}
}
}
}