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Oct 24, 2025
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Update Websocket Example #25970

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10 changes: 5 additions & 5 deletions src/content/docs/durable-objects/examples/websocket-server.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -108,20 +108,20 @@ export class WebSocketServer extends DurableObject {
const connection = this.sessions.get(ws)!;

// Reply back with the same message to the connection
ws.send(`[Durable Object] message: ${message}, from: ${connection.id}`);
ws.send(`[Durable Object] message: ${message}, from: ${connection.id}, to: the initiating client. Total connections: ${this.sessions.size}`);

// Broadcast the message to all the connections,
// except the one that sent the message.
this.sessions.forEach((k, session) => {
this.sessions.forEach((_, session) => {
if (session !== ws) {
session.send(`[Durable Object] message: ${message}, from: ${connection.id}`);
session.send(`[Durable Object] message: ${message}, from: ${connection.id}, to: all clients except the initiating client. Total connections: ${this.sessions.size}`);
}
});

// Broadcast the message to all the connections,
// including the one that sent the message.
this.sessions.forEach((k, session) => {
session.send(`[Durable Object] message: ${message}, from: ${connection.id}`);
this.sessions.forEach((_, session) => {
session.send(`[Durable Object] message: ${message}, from: ${connection.id}, to: all clients. Total connections: ${this.sessions.size}`);
});
}

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