@idealic/poker-engine/dist/game/croupier.js

Professional poker game engine and hand evaluator with built-in iterator utilities

import { Game } from './';
import { getPlayerIndex } from '../utils/position';
import { cloneState } from '../utils/state';
import { deal, showCards } from './dealer';
import { createTable, isShowdown } from './table';
/**
 * Orchestrates a poker game by managing dealer actions and player responses.
 * Returns a new game state with all actions applied.
 */
export async function croupier(hand, players, game = createTable(hand)) {
    // Initialize table state
    const actions = [...hand.actions];
    // Keep running until showdown
    while (true) {
        // Get the current player index
        const currentPlayerIndex = getPlayerIndex(game);
        // If it's dealer's turn (-1), handle dealer actions
        if (currentPlayerIndex === -1) {
            const action = deal(game);
            if (action) {
                game = Game.applyAction(game, action);
                actions.push(action);
            }
            else {
                // End of the game
                break;
            }
            // If we're in showdown after dealer actions and no more cards to show, end hand
            if (isShowdown(game) && !showCards(game)) {
                break;
            }
            // Continue to next iteration
            continue;
        }
        // Handle player action
        const currentPlayer = game.players[currentPlayerIndex];
        // Get player function
        const player = players[currentPlayerIndex];
        if (!player) {
            throw new Error(`No player function found for position ${currentPlayerIndex}`);
        }
        const action = await player(cloneState(game), currentPlayer);
        game = Game.applyAction(game, action);
        actions.push(action);
    }
    return {
        ...hand,
        actions,
    };
}
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