(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i ({ hand, count: 0, wins: 0, ties: 0, handChances: RANK_NAMES.map(name => ({ name, count: 0 })) })) if (board.length === 5) { results = analyse(results, board) } else if (board.length >= 3) { const deck = createDeck(board.concat(...hands)) for (let i = 0; i !== deck.length; i++) { if (board.length === 4) { results = analyse(results, board.concat(deck[i])) continue } for (let j = 0; j !== deck.length; j++) { if (i >= j) continue results = analyse(results, board.concat([ deck[i], deck[j] ])) } } } else if (exhaustive) { const deck = createDeck(board.concat(...hands)) for (let a = 0; a !== deck.length; a++) { for (let b = 0; b !== deck.length; b++) { if (a <= b) continue for (let c = 0; c !== deck.length; c++) { if (b <= c) continue for (let d = 0; d !== deck.length; d++) { if (c <= d) continue for (let e = 0; e !== deck.length; e++) { if (d <= e) continue results = analyse(results, [deck[a], deck[b], deck[c], deck[d], deck[e]]) } } } } } } else { for (let i = 0; i !== iterations; i++) { const randomCards = deal([].concat(...hands), 5 - board.length) results = analyse(results, board.concat(randomCards)) } } const maxWins = Math.max(...results.map(hand => hand.wins)) return results.map(hand => ({ ...hand, favourite: hand.wins === maxWins })) } function analyse (results, board) { const ranks = results.map(result => { if (result.hand.includes('..')) { const randomCards = deal(board.concat(...results.map(r => r.hand)), 4) const hand = result.hand.map((card, index) => { if (card === '..') { return randomCards[index] } return card }) return rankHand(hand.concat(board)) } return rankHand(result.hand.concat(board)) }) const bestRank = ranks.slice(0).sort().reverse()[0] const tie = ranks.filter(rank => rank === bestRank).length > 1 for (let i = 0; i !== results.length; i++) { if (ranks[i] === bestRank) { if (tie) { results[i].ties++ } else { results[i].wins++ } } results[i].count++ results[i].handChances[parseInt(ranks[i][0])].count++ } return results } const FULL_DECK = createDeck() function createDeck (withoutCards = []) { const deck = [] for (let i = 0; i !== CARD_VALUES.length; i++) { for (let j = 0; j !== CARD_SUITS.length; j++) { const card = CARD_VALUES[i] + CARD_SUITS[j] if (!withoutCards.includes(card)) { deck.push(card) } } } return deck } function deal (withoutCards, count) { const cards = [] while (cards.length !== count) { const index = Math.floor(Math.random() * FULL_DECK.length) const card = FULL_DECK[index] if (!cards.includes(card) && !withoutCards.includes(card)) { cards.push(card) } } return cards } function rankValues (values) { let total = 0 let max = 0 const cardMatches = {} for (let i = 0; i !== values.length; i++) { cardMatches[values[i]] = 0 for (let j = 0; j !== values.length; j++) { if (i === j) continue // TODO: Could this be i <= j? const first = values[i] const second = values[j] if (first === second) { cardMatches[first]++ total++ max = Math.max(cardMatches[first], max) } } } const matches = total / 2 const straight = getStraight(dedupe(values)) // Dedupe to match straights like AKKKQJT const kickers = convertToHex(values.sort((a, b) => cardMatches[b] - cardMatches[a])) if (max > 3) { return undefined } if (max === 3) { return '7' + kickers.slice(0, 4) + getHighestKicker(kickers.slice(4)) // four of a kind } if (max === 2 && matches > 3) { return '6' + kickers.slice(0, 5) // full house } if (straight) { return '4' + straight // straight } if (max === 2) { return '3' + kickers.slice(0, 5) // three of a kind } if (max === 1 && matches > 1) { return '2' + kickers.slice(0, 4) + getHighestKicker(kickers.slice(4)) // two pair } if (max === 1) { return '1' + kickers.slice(0, 5) // one pair } return '0' + kickers.slice(0, 5) // high card } function rankHand (input) { const hand = input.slice(0).sort(numericalSort) const values = hand.map(c => c[0]).join('') const suits = hand.map(c => c[1]).sort().join('') const rank = lookup.rank[values] const flush = lookup.flush[suits] if (!rank) { throw Error(`Invalid hand: ${hand.join(' ')}`) } const straight = rank[0] === '4' if (straight && flush) { const flushed = hand.filter(c => c[1] === flush).map(c => c[0]) const kickers = getStraight(flushed) if (kickers) { // royal or straight flush return (kickers[0] === 'e' ? '9' : '8') + kickers } } if (flush) { // Fix kickers for flush // ie the highest cards of the flush suit const kickers = convertToHex(hand.filter(c => c[1] === flush).slice(0, 5)) return '5' + kickers // flush } return rank } function getFlush (string) { const match = string.match(/(s{5}|c{5}|d{5}|h{5})/) return match ? match[0][0] : undefined } function getHighestKicker (string) { return string.split('').sort().reverse()[0] } function dedupe (array) { return array.filter(function (item, index, array) { return array.indexOf(item) === index }) } function numericalValue (card) { return NUMERICAL_VALUES[card[0]] || parseInt(card[0]) } function numericalSort (a, b) { return numericalValue(b) - numericalValue(a) } function convertToHex (input) { input = typeof input === 'string' ? input.split('') : input return input .map(c => numericalValue(c).toString(16)) .join('') } function parseCards (string) { if (!string) { return undefined } return string.match(/[AKQJT2-9.][schd.]/g) || undefined } function percent (number) { if (number === 0) { return '·' } if (number > 0 && number < 0.001) { return '0.1%' } return `${round(number * 100)}%` } function seconds (ms) { if (ms >= 1000) { return `${round(ms / 1000)}s` } return `${ms}ms` } function getStraight (hand) { const values = hand.join('') const suffix = values[0] === 'A' ? 'A' : '' // Append A to capture 5432A for (let i = 0; i !== STRAIGHTS.length; i++) { if (`${values}${suffix}`.includes(STRAIGHTS[i])) { return convertToHex(STRAIGHTS[i]) } } return null } function padStart (string, length, padString = ' ') { if (string.length >= length) { return string } return padString.repeat(length - string.length) + string } function padEnd (string, length, padString = ' ') { if (string.length >= length) { return string } return string + padString.repeat(length - string.length) } function round (number, dp = 1) { const multiplier = dp * 10 return (Math.round(number * multiplier) / multiplier).toFixed(dp) } (function() { 'use strict'; })(); },{}]},{},[1]);