aded Tarokka deck

lib/StandardDeck.ts

@@ -0,0 +1,47 @@
+import getRandomItems from '../tools/getRandomItems';
+import cards from '../constants/standardCards';
+import type { StandardCard } from '../types';
+
+export interface Options {
+  back: number;
+  jokers: boolean;
+}
+
+export interface OptionProps {
+  back?: number;
+  jokers?: boolean;
+}
+
+const DEFAULT_OPTIONS = {
+  jokers: false,
+  back: 1,
+};
+
+export default class Cards {
+  private options: Options;
+
+  private deck: StandardCard[] = [];
+  private backs: StandardCard[] = [];
+  private jokers: StandardCard[] = [];
+
+  constructor(options: OptionProps = {}) {
+    this.options = { ...DEFAULT_OPTIONS, ...options };
+
+    this.deck = cards.filter(card => !card.back && (this.options.jokers || !card.joker));
+    this.backs = cards.filter(card => card.back);
+    this.jokers = cards.filter(card => card.joker);
+  }
+
+  select(count: number): StandardCard[] {
+    return getRandomItems(this.deck, count);
+  }
+
+  getBack(style: number): StandardCard {
+    style = style || this.options.back;
+    return this.backs.find(card => card.id.startsWith(String(style))) || this.backs[0];
+  }
+
+  getJokers(): StandardCard[] {
+    return this.jokers;
+  }
+}