feat(#5): Add the ability to select pre-defined card sets

src/server/classes/Room.ts

@@ -1,12 +1,43 @@
 import { WebSocket } from 'ws';
 import { User } from './User';
 
+class CardSet {
+	name: string;
+	values: Array<string | number>;
+	example: string;
+
+	constructor(name: string, values: Array<string | number>, example: string) {
+		this.name = name;
+		this.values = values;
+		this.example = example;
+	}
+}
+
+export const cardSets: Array<CardSet> = [
+	{ name: 'Fibonacci', values: [1, 2, 3, 5, 8, 13, 21, '?'], example: '(1, 2, 3, 5)' },
+	{
+		name: 'T-Shirt Sizing',
+		values: ['XS', 'S', 'M', 'L', 'XL', 'XXL', '?'],
+		example: '(XS, S, M, L)'
+	},
+	{ name: 'Powers of 2', values: [1, 2, 4, 8, 16, 32, '?'], example: '(1, 2, 4, 8)' },
+	{ name: 'Sequential', values: [1, 2, 3, 4, 5, 6, 7, 8, 9, '?'], example: '(1, 2, 3, 4)' }
+];
+
 export class Room {
 	id: string;
+	cardSet: CardSet;
 	users: Map<WebSocket, User>;
 
-	constructor(id: string) {
+	constructor(id: string, cardSetName: string) {
 		this.id = id;
+		const cardSet = cardSets.find((cardSet) => cardSet.name === cardSetName);
+		if (cardSet) {
+			this.cardSet = cardSet;
+		} else {
+			this.cardSet = cardSets[0];
+		}
+		
 		this.users = new Map();
 	}