poker-calc

Fastest way to calculate poker hand types, best hand, Texas Hold'em winner, Omaha winner, get type of five cards hand. More coming soon.

Installation

npm install poker-calc --save

Testing (after installing)

npm test

Usage

var pokerCalc = require('poker-calc');

var params = {
    "boardCards": [
        { "type": "heart", "rank": 1 },
        { "type": "heart", "rank": 2 },
        { "type": "heart", "rank": 11 },
        { "type": "heart", "rank": 10 },
        { "type": "heart", "rank": 13 }
    ],
    "playerCards": [{ "playerId": "1", "cards": [{ "type": "spade", "rank": 11 }, { "type": "club", "rank": 3 }] },
        { "playerId": "2", "cards": [{ "type": "heart", "rank": 6 }, { "type": "club", "rank": 5 }] }
    ]
}

var params2 = {
    "boardCards": [                 // ["14H", "2H", "JH", "10H", "KH"]
        "AH", "2H", "JH", "10H", "KH"
    ],
    "playerCards": [{ "playerId": "1", "cards": ["JS", "3C"] },
        { "playerId": "2", "cards": ["6H", "5C"] }
    ]
}

var winner = pokerCalc.getHoldemWinner(params,{ compactCards: false});   //winner is an array which contains the winners
//output
[
  {
    "playerId": "2",
    "hand": {
      "handInfo": {
        "type": "Flush",
        "strength": 6
      },
      "cards": [
        {
          "type": "Heart",
          "rank": 1,
          "name": "A",
          "priority": 14
        },
        {
          "type": "Heart",
          "rank": 13,
          "name": "K",
          "priority": 13
        },
        {
          "type": "Heart",
          "rank": 11,
          "name": "J",
          "priority": 11
        },
        {
          "type": "Heart",
          "rank": 10,
          "name": "10",
          "priority": 10
        },
        {
          "type": "Heart",
          "rank": 6,
          "name": "6",
          "priority": 6
        }
      ]
    }
  }
]



var winner = pokerCalc.getHoldemWinner(params2,{ compactCards: true});  //winner is an array which contains the winners
//output
[
  {
    "playerId": "2",
    "hand": {
      "handInfo": {
        "type": "Flush",
        "strength": 6
      },
      "cards": [
        "AH",
        "KH",
        "JH",
        "10H",
        "6H"
      ]
    }
  }
]

//for omaha winners
var winners = pokerCalc.getOmahaWinner(params)  //here the playerCards for each player should be four

//to get type of five cards hand
var typeObject =  pokerCalc.getType(cards)          //array of five cards
//output  { type:"flush", strength:6 }

Notes

• compactCards flag can be used in both card formats.
• Cards in compact format as in params2 is not supported in pokerCalc.getOmahaWinner.
• Cards in any format as illustrated above are supported for pokerCalc.getType
• Ranks of different cards are as below
• Card - Rank
  • A - 1
  • 2 - 2
  • 3 - 3
  • 4 - 4
  • 5 - 5
  • 6 - 6
  • 7 - 7
  • 8 - 8
  • 9 - 9
  • 10 - 10
  • J - 11
  • Q - 12
  • k - 13