croupier/dist/Deck.js

A library written in Typescript to create and handle a deck of playing cards

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
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    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const Card_1 = __importStar(require("./Card"));
/**
 * @classdesc
 * A Deck represents a deck of cards.
 * @class Deck
 */
class Deck {
    /**
     *
     * @param options
     */
    constructor(options = {}) {
        this.cards = [];
        // TODO add jokers
        const { seed = Math.random(), shuffle = true } = options;
        for (const suit of Card_1.suits) {
            for (const rank of Card_1.ranks) {
                this.cards.push(new Card_1.default(suit, rank));
            }
        }
        if (shuffle) {
            this.shuffle(seed);
        }
    }
    /**
     *
     */
    get Cards() {
        return this.cards;
    }
    /**
     *
     */
    get Count() {
        return this.cards.length;
    }
    /**
     *
     * @param amount
     * @returns
     */
    take(amount) {
        return this.cards.splice(-Math.abs(amount), amount);
    }
    /**
     *
     * @param seed
     */
    shuffle(seed = Math.random()) {
        let currentIndex = this.cards.length;
        let temporaryValue;
        let randomIndex;
        while (0 !== currentIndex) {
            randomIndex = Math.floor(seed * currentIndex);
            currentIndex -= 1;
            temporaryValue = this.cards[currentIndex];
            this.cards[currentIndex] = this.cards[randomIndex];
            this.cards[randomIndex] = temporaryValue;
        }
    }
}
exports.default = Deck;
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