Add typed subscriber to update lobby events

interface/index.ts

@@ -1,6 +1,7 @@
 export * from "./constants/TrackType";
 export * from "./server-events/ServerError";
 export * from "./server-events/ServerEvent";
+export * from "./server-events/UpdateLobbyEvent";
 export * from "./client-events/ClientEvent";
 export * from "./client-events/CreateLobbyEvent";
 export * from "./client-events/JoinLobbyEvent";

interface/server-events/UpdateLobbyEvent.ts

@@ -0,0 +1,14 @@
+import { Socket } from "socket.io-client";
+import { ServerEvent } from "./ServerEvent";
+
+export type UpdateLobbyEvent = {
+  playerNames: Array<string>;
+};
+
+export function attachHandlerToUpdateLobbyEvent(
+  socket: Socket,
+  handler: (event: UpdateLobbyEvent) => void,
+): () => void {
+  socket.on(ServerEvent.LOBBY_UPDATE, handler);
+  return () => socket.off(ServerEvent.LOBBY_UPDATE, handler);
+}

web/.eslintrc.js

@@ -13,5 +13,12 @@ module.exports = {
     jest: true,
   },
   ignorePatterns: [".eslintrc.js", "dist/", "node_modules/", "build/"],
-  rules: {},
+  rules: {
+    "prettier/prettier": [
+      "error",
+      {
+        endOfLine: "auto",
+      },
+    ],
+  },
 };