@kakegurui/shuffle/dist/index.js

Shuffle utilities for Kakegurui Games

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  cutDeck: () => cutDeck,
  deal: () => deal,
  gilbreathShuffle: () => gilbreathShuffle,
  randomNumber: () => randomNumber,
  riffleShuffle: () => riffleShuffle,
  shuffle: () => shuffle
});
module.exports = __toCommonJS(src_exports);
function shuffle(array) {
  for (let i = array.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [array[i], array[j]] = [array[j], array[i]];
  }
  return array;
}
__name(shuffle, "shuffle");
function randomNumber(start, end) {
  if (start > end) {
    throw new Error("Start value cannot be greater than end value.");
  }
  return Math.floor(Math.random() * (end - start + 1)) + start;
}
__name(randomNumber, "randomNumber");
function riffleShuffle(deck1, deck2) {
  const shuffledDeck = [];
  let deck1Index = 0;
  let deck2Index = 0;
  while (deck1Index < deck1.length && deck2Index < deck2.length) {
    if (Math.random() < 0.5) {
      shuffledDeck.push(deck1[deck1Index]);
      deck1Index++;
    } else {
      shuffledDeck.push(deck2[deck2Index]);
      deck2Index++;
    }
  }
  while (deck1Index < deck1.length) {
    shuffledDeck.push(deck1[deck1Index]);
    deck1Index++;
  }
  while (deck2Index < deck2.length) {
    shuffledDeck.push(deck2[deck2Index]);
    deck2Index++;
  }
  return shuffledDeck;
}
__name(riffleShuffle, "riffleShuffle");
function deal(cards, numCards) {
  if (numCards > cards.length) {
    throw new Error("Not enough cards to deal.");
  }
  const pile = [];
  for (let i = 0; i < numCards; i++) {
    pile.unshift(cards.shift());
  }
  return pile;
}
__name(deal, "deal");
function cutDeck(cards, cuts) {
  for (let i = 0; i < cuts; i++) {
    const cutPoint = Math.floor(Math.random() * cards.length);
    const top = cards.slice(0, cutPoint);
    const bottom = cards.slice(cutPoint);
    cards = bottom.concat(top);
  }
  return cards;
}
__name(cutDeck, "cutDeck");
function gilbreathShuffle(cards, split) {
  const pile = deal(cards, split);
  return riffleShuffle(pile, cards);
}
__name(gilbreathShuffle, "gilbreathShuffle");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  cutDeck,
  deal,
  gilbreathShuffle,
  randomNumber,
  riffleShuffle,
  shuffle
});
//# sourceMappingURL=index.js.map