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script.js
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script.js
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// OMG
const state = {
zeroShouldPlay: true,
board: Array(9).fill(null),
}
// take the event and be a HOC for all functions
const main = (e) => {
const index = e.target.dataset.index
play(index)
playForMe(state.board)
}
const play = (index) => {
// skip if the box is already filled or someone already won
if (calculateWinner(state.board) || state.board[index]) return ;
// what should I play ?
state.board[index] = state.zeroShouldPlay ? '0' : 'X'
// debug
console.log(state.board, state.zeroShouldPlay, calculateWinner(state.board))
// change the player
state.zeroShouldPlay = !state.zeroShouldPlay
// handle the DOM for me :)
render(state.board)
}
const playForMe = (boardConfig) => {
const playAt = Math.floor(Math.random() * 9)
if ( boardConfig[playAt] === null )
return play(playAt)
return playForMe(boardConfig)
}
const render = (arr) => {
const $ = s => document.querySelector(s)
const $$ = s => document.querySelectorAll(s)
const playerName = state.zeroShouldPlay ? '0' : 'X';
// hell the dom
$$('#hole').forEach( (element, index) => element.innerHTML = arr[index] || '' )
$('#status').innerHTML = `Player ${playerName} should play!`
// finally give up if someone won
if (calculateWinner(state.board)) {
$('#status').innerHTML = `player ${calculateWinner(state.board)} Won!`
$('#reset').classList.add('primary')
}
}
const calculateWinner = (squares) => {
const lines = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6],
];
for (let i = 0; i < lines.length; i++) {
const [a, b, c] = lines[i];
if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
return squares[a];
}
}
return null;
}
// heck event listners
document.querySelectorAll('#hole')
.forEach(element => { element.addEventListener('click', main) })
document.querySelector('#reset')
.addEventListener('click', (e) => {
render(Array(9).fill(null))
state.board.fill(null)
e.target.classList.remove('primary')
})
const modal = document.querySelector('.modal-wrapper')
// do nothing
document.querySelector('#playAs0')
.addEventListener('click',
(e) => {
modal.classList.add('none')
})
// change state
document.querySelector('#playAsX')
.addEventListener('click',
(e) => {
modal.classList.add('none')
state.zeroShouldPlay = !state.zeroShouldPlay
})