@leofavre/memory-game-component/dist/es/es5/state/memoryGameActions.js

A memory game web component.

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

import sequence from '../helpers/sequence.js';
import shuffle from '../helpers/shuffle.js';
import waitInPromise from '../helpers/waitInPromise.js';
import { isCardRevealed, isCardMatched, isGameOver, isPairOfCardsVisible, isVisiblePairOfCardsAMatch } from './memoryGameSelectors.js';
import { DISTRIBUTE_CARDS, REVEAL_CARD, MATCH_CARDS, HIDE_CARDS, ALLOW_INTERACTION, DISALLOW_INTERACTION, SEND_EVENT } from './memoryGameConstants.js';
export var distributeCards = function distributeCards(cards, positions) {
  return {
    type: DISTRIBUTE_CARDS,
    cards: cards,
    positions: positions || shuffle(sequence(cards.length * 2))
  };
};
export var revealCard = function revealCard(position) {
  return {
    type: REVEAL_CARD,
    position: position
  };
};
export var matchCards = function matchCards() {
  return {
    type: MATCH_CARDS
  };
};
export var hideCards = function hideCards() {
  return {
    type: HIDE_CARDS
  };
};
export var allowInteraction = function allowInteraction() {
  return {
    type: ALLOW_INTERACTION
  };
};
export var disallowInteraction = function disallowInteraction() {
  return {
    type: DISALLOW_INTERACTION
  };
};
export var sendEvent = function sendEvent(name, detail) {
  return {
    type: SEND_EVENT,
    name: name,
    detail: detail
  };
};
export var requestPlayAsync = function requestPlayAsync(position) {
  return (
    /*#__PURE__*/
    function () {
      var _ref = _asyncToGenerator(
      /*#__PURE__*/
      regeneratorRuntime.mark(function _callee(dispatch, getState) {
        var state, currentState, matchHappened, previouslyRevealed;
        return regeneratorRuntime.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                state = getState();
                currentState = state;
                matchHappened = false;

                if (isCardRevealed(position, state)) {
                  dispatch(sendEvent('error', 'Cannot reveal an already revealed card.'));
                } else if (isCardMatched(position, state)) {
                  dispatch(sendEvent('error', 'Cannot reveal an already matched card.'));
                } else if (isPairOfCardsVisible(state)) {
                  dispatch(sendEvent('error', 'Cannot reveal more than two cards.'));
                } else {
                  currentState = dispatch(revealCard(position));
                  dispatch(sendEvent('reveal', position));
                }

                if (!isPairOfCardsVisible(currentState)) {
                  _context.next = 15;
                  break;
                }

                dispatch(disallowInteraction);
                currentState = dispatch(matchCards);

                if (!isVisiblePairOfCardsAMatch(currentState)) {
                  _context.next = 12;
                  break;
                }

                dispatch(sendEvent('match', currentState.revealed));
                matchHappened = true;
                _context.next = 14;
                break;

              case 12:
                _context.next = 14;
                return waitInPromise(2000)();

              case 14:
                if (isGameOver(currentState)) {
                  dispatch(disallowInteraction);
                  dispatch(sendEvent('finish'));
                } else {
                  previouslyRevealed = currentState.revealed;
                  currentState = dispatch(hideCards);

                  if (!matchHappened) {
                    dispatch(sendEvent('hide', previouslyRevealed));
                  }

                  dispatch(allowInteraction);
                }

              case 15:
              case "end":
                return _context.stop();
            }
          }
        }, _callee, this);
      }));

      return function (_x, _x2) {
        return _ref.apply(this, arguments);
      };
    }()
  );
};