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Add room cleanup to remove empty sessions

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This commit is contained in:
Jared Miller 2026-01-27 16:19:41 -05:00
parent 2e370afe2c
commit 83dac38f29
Signed by: shmup
GPG key ID: 22B5C6D66A38B06C
2 changed files with 15 additions and 1 deletions
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4
src/index.ts
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@ -1,5 +1,5 @@
import { decode } from "./protocol";
import { type Client, getOrCreateSession, getSession } from "./session";
import { type Client, getOrCreateSession, getSession, removeSession } from "./session";
const PORT = Number(process.env.PORT) || 4040;
@ -43,6 +43,7 @@ Bun.serve({
if (ws.data.room) {
const session = getSession(ws.data.room);
session?.leave(client);
removeSession(ws.data.room);
ws.data.room = null;
}
break;
@ -60,6 +61,7 @@ Bun.serve({
if (ws.data.room && ws.data.client) {
const session = getSession(ws.data.room);
session?.leave(ws.data.client);
removeSession(ws.data.room);
}
console.debug("client disconnected");
},

12
src/session.ts
View file

@ -27,6 +27,10 @@ export class Session {
this.broadcastPeerCount();
}
isEmpty(): boolean {
return this.clients.size === 0;
}
applyUpdate(update: Uint8Array, from: Client) {
try {
Y.applyUpdate(this.doc, update);
@ -71,3 +75,11 @@ export function getOrCreateSession(name: string): Session {
export function getSession(name: string): Session | undefined {
return sessions.get(name);
}
export function removeSession(name: string): void {
const session = sessions.get(name);
if (session?.isEmpty()) {
sessions.delete(name);
console.debug(`session removed: ${name}`);
}
}