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const express = require('express');
const app = express();
const http = require('http').Server(app);
const path = require('path');
const io = require('socket.io')(http);
const allEqual = (arr) =>
arr.includes(2) ? false : arr.every(i => i === arr[0])
const getRow = (board, r) => board.slice(r * 3, (r * 3) + 3);
const getRows = (board, r = 0) =>
r <= 2 ? [getRow(board, r)].concat(getRows(board, r+1)) : getRow(board, r)
const getCol = (board, c) => board.map((i) => i[c])
const getCols = (rows, c = 0) =>
c < 2 ? [getCol(rows, c)].concat(getCols(rows, c+1)) : [getCol(rows, c)]
const getLeftDiagonal = (board, i = 0) =>
i < 3 ? [getRow(board, i)[i]].concat(getLeftDiagonal(board, i+1)) : [];
const getRightDiagonal = (board, i = 2) =>
i >= 0 ? [getRow(board, 2-i)[i]].concat(getRightDiagonal(board, i-1)) : [];
// const endGame = (winner: number) => {
// const gameWinner = winner < 2 ? (winner === 1 ? "X" : "O") : "Draw";
// props.setMessage(`WINNER: ${gameWinner}`);
// props.setShowMessage(true);
// gameWinner === "Draw" || (gameWinner === "X"
// ? props.setScoreX(props.scoreX + 1)
// : props.setScoreO(props.scoreO + 1));
// setBoard([2,2,2,2,2,2,2,2,2]);
// winner < 2 && props.setTurn(winner); // set turn to prev. winner
// }
//
// useEffect(() => {
// if (board.includes(0) || board.includes(1)) {
// const rows = getRows();
// (rows.some((i: number[]) => allEqual(i))
// || getCols(rows).some((i: number[]) => allEqual(i))
// || [getLeftDiagonal(), getRightDiagonal()].some((i) => allEqual(i))
// ) ? endGame(turn === 0 ? 1 : 0) : (board.includes(2) || endGame(2));
// }
// });
io.on('connection', (socket) => {
socket.on('update-remote-board', (board) => {
if (board.includes(0) || board.includes(1)) {
const rows = getRows(board);
(rows.some((i) => allEqual(i))
|| getCols(rows).some((i) => allEqual(i))
|| [getLeftDiagonal(board), getRightDiagonal(board)].some((i) => allEqual(i))
) ? console.log("win") : (board.includes(2) || console.log("maybe draw"))
// ? endGame(turn === 0 ? 1 : 0) : (board.includes(2) || endGame(2));
}
io.emit('update-client-board', board)
})
});
// serve static front end
app.use(express.static(path.join(__dirname, '../../build')));
// Start the server
const PORT = process.env.PORT || 5000;
http.listen(PORT, () => {
console.log(`App listening on port ${PORT}`);
});
/*
* const allEqual = (arr: number[]) =>
arr.includes(2) ? false : arr.every(i => i === arr[0])
const getRow = (r: number) => board.slice(r * 3, (r * 3) + 3);
const getRows: any = (r: number = 0) =>
r <= 2 ? [getRow(r)].concat(getRows(r+1)) : getRow(r)
const getCol = (arr: number[][], c: number) => arr.map((i: any) => i[c])
const getCols: any = (rows: number[][], c: number = 0) =>
c < 2 ? [getCol(rows, c)].concat(getCols(rows, c+1)) : [getCol(rows, c)]
const getLeftDiagonal: any = (i: number = 0) =>
i < 3 ? [getRow(i)[i]].concat(getLeftDiagonal(i+1)) : [];
const getRightDiagonal: any = (i: number = 2) =>
i >= 0 ? [getRow(2-i)[i]].concat(getRightDiagonal(i-1)) : [];
const endGame = (winner: number) => {
const gameWinner = winner < 2 ? (winner === 1 ? "X" : "O") : "Draw";
props.setMessage(`WINNER: ${gameWinner}`);
props.setShowMessage(true);
gameWinner === "Draw" || (gameWinner === "X"
? props.setScoreX(props.scoreX + 1)
: props.setScoreO(props.scoreO + 1));
setBoard([2,2,2,2,2,2,2,2,2]);
winner < 2 && props.setTurn(winner); // set turn to prev. winner
}
useEffect(() => {
if (board.includes(0) || board.includes(1)) {
const rows = getRows();
(rows.some((i: number[]) => allEqual(i))
|| getCols(rows).some((i: number[]) => allEqual(i))
|| [getLeftDiagonal(), getRightDiagonal()].some((i) => allEqual(i))
) ? endGame(turn === 0 ? 1 : 0) : (board.includes(2) || endGame(2));
}
});
*/
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