@botpoker/engine-holdem/engine/tasks/setup/assign-private-cards.js

Texas Hold'em poker engine

"use strict";

const CARDS = require("@botpoker/cards");
const shuffle = require("knuth-shuffle").knuthShuffle;
const task = require("../task");
const loop = require("../utils/loop-players");
const isRunning = require("../utils/is-tournament-running");
const PlayerStates = require("../../../domain/player/states");

const Task = Object.create(task);

Task.name = "Assign private cards";

Task.shouldRun = isRunning;

Task.run =
  (_, { gamestate }) => {
    const deck = shuffle(CARDS.slice(0));
    const assignCard =
      (player) => {
        if (player.state === PlayerStates.get("active")) {
          player.cards.push(deck.shift());
        }
      };

    // Dealer starts to assign private cards
    // starting from the player next the him
    const from = gamestate.dealerPosition;
    for (let i = 0; i < 2; i++) {
      loop(gamestate.players, from, assignCard);
    }

    gamestate.deck = deck;
  };

module.exports = Task;