typescript on both client and server with communication via socket.io

types/index.ts

@@ -0,0 +1,19 @@
+export interface CardImage {
+  id: string;
+  back: boolean;
+  face: boolean;
+  joker: boolean;
+  suit: 'Clubs' | 'Diamonds' | 'Hearts' | 'Spades' | null;
+  url: string;
+}
+
+export interface GameCard extends CardImage {
+  flipped: boolean;
+}
+
+export interface GameState {
+  id: string;
+  players: Set<string>;
+  cards: GameCard[];
+  lastUpdated: number;
+}