gameStore: Added functions to add and retrieve games

backend/gameStore.ts

@@ -0,0 +1,25 @@
+// This module is responsible for setting and retrieving the game state.
+import { v4 as uuid } from 'uuid';
+
+import { GameEngine } from './uno-game-engine/engine';
+const games: Map<string, GameEngine> = new Map();
+
+/**
+ * Create a new game and store it in the games map
+ * @returns {string} gameId
+ */
+export function createGame() {
+    const gameId = uuid();
+    const game = new GameEngine();
+    games.set(gameId, game);
+    return gameId;
+}
+
+/**
+ * Retrieve a game from the games map
+ * @param {string} id gameId
+ * @returns {GameEngine|null} GameEngine instance
+ */
+export function retrieveGame(id: string) {
+    return games.get(id) || null;
+}

backend/package.json

@@ -16,12 +16,14 @@
     "description": "",
     "dependencies": {
         "@types/node": "^20.12.13",
+        "@types/uuid": "^9.0.8",
         "cors": "^2.8.5",
         "dotenv": "^16.4.5",
         "express": "^4.19.2",
         "mongoose": "^8.4.0",
         "ts-node": "^10.9.2",
-        "typescript": "^5.4.5"
+        "typescript": "^5.4.5",
+        "uuid": "^9.0.1"
     },
     "devDependencies": {
         "@types/cors": "^2.8.17",

backend/uno-game-engine/deck.ts

@@ -47,8 +47,8 @@ export default function getShuffledCardDeck(): Array<UNOCard> {
     // deck.push(makeCard('special', 'wild', 'wild'))
     // deck.push(makeCard('number', 'red', '0'))
 
-    shuffle(deck);;
-    return deck;;
+    shuffle(deck);
+    return deck;
 }
 
 /**
@@ -68,4 +68,3 @@ function shuffle(deck: Array<any>) {
     //todo: Implement a generic shuffling algorithm
     [deck[0], deck[1]] = [deck[1], deck[0]];
 }
-