init

server/utils/resolveShard.ts

@@ -0,0 +1,12 @@
+import config from "../config.ts";
+import { apps } from "../ecosystem.config.js";
+
+export function resolveShard(roomId: string): number {
+  if (!config.SHARD) {
+    return 0;
+  }
+  const numShards = apps.filter((app) => app.env?.SHARD).length;
+  const letter = roomId[0];
+  const charCode = letter.charCodeAt(0);
+  return Number((charCode % numShards) + 1);
+}