t-t-t-action-replay-3.js

let view = function() {
    let viewModel = {
        currentPlayer: 'X',
        winner: null
    };

    let gameBoard = new Array(3).fill(new Array(3).fill(''));

    eventDispatcher.subscribe('game-board-updated-event', gameBoardUpdatedEvent => {
        viewModel.currentPlayer = gameBoardUpdatedEvent.nextPlayer;
        gameBoard = gameBoardUpdatedEvent.gameboard;
        drawBoard(gameBoard);
    });

    eventDispatcher.subscribe('winner-determined-event', winnerDeterminedEvent => {
        viewModel.winner = winnerDeterminedEvent.winner;
        gameBoard = winnerDeterminedEvent.gameboard;
        drawBoard(gameBoard);
    });

    eventDispatcher.subscribe('completed-with-no-winner-event', completedWithNoWinnerEvent => {
        viewModel.winner = 'NO_WINNER';
        gameBoard = completedWithNoWinnerEvent.gameboard;
        drawBoard(gameBoard);
    });

    document.getElementById('replay-button').addEventListener('click', () => {
        viewModel = {
            currentPlayer: 'X',
            winner: null
        };

        let gameboard = new Array(3).fill(new Array(3).fill(''));
        drawBoard(gameboard);
        eventDispatcher.replay();
    });

    const drawBoard = (gameBoard) => {
        let heading = '';
        if (viewModel.winner === 'NO_WINNER') {
            heading = 'Game completed with no winner';
        } else if (viewModel.winner) {
            heading = viewModel.winner + ' has won!!'  
        } else {
            heading = 'Current Player is: ' + viewModel.currentPlayer;
        }
        let headingView = document.getElementById('heading');
        headingView.textContent = heading;

        let gameBoardView = document.getElementById('gameBoard');
    ...
    ...
    ...