feat: make naive proof-of-concept
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3 changed files with 172 additions and 51 deletions
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@ -4,7 +4,7 @@
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Vite + React</title>
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<title>Tic Tac Toe Bolt</title>
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</head>
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<body>
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<div id="root"></div>
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49
src/App.css
49
src/App.css
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@ -5,38 +5,33 @@
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text-align: center;
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}
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.logo {
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height: 6em;
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padding: 1.5em;
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will-change: filter;
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transition: filter 300ms;
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}
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.logo:hover {
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filter: drop-shadow(0 0 2em #646cffaa);
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}
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.logo.react:hover {
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filter: drop-shadow(0 0 2em #61dafbaa);
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.board {
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display: flex;
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flex-direction: column;
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gap: 10px;
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}
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@keyframes logo-spin {
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from {
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transform: rotate(0deg);
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}
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to {
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transform: rotate(360deg);
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}
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.board-row {
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display: flex;
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flex-direction: row;
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gap: 10px;
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}
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@media (prefers-reduced-motion: no-preference) {
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a:nth-of-type(2) .logo {
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animation: logo-spin infinite 20s linear;
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}
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.board-cell {
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width: 100px;
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height: 100px;
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border: 1px solid black;
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display: flex;
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justify-content: center;
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align-items: center;
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font-size: 24px;
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cursor: pointer;
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}
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.card {
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padding: 2em;
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.board-cell:hover {
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background-color: #f0f0f0;
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}
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.read-the-docs {
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color: #888;
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}
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.board-cell.fading {
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color: red;
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}
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172
src/App.tsx
172
src/App.tsx
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@ -1,33 +1,159 @@
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import { useState } from 'react'
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import reactLogo from './assets/react.svg'
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import viteLogo from '/vite.svg'
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import { useEffect, useState } from 'react'
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import './App.css'
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import React from 'react';
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type Symbol = 'X' | 'O';
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type CellState = {
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symbol?: Symbol;
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isFading?: boolean;
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};
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type RowState = CellState[];
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type BoardState = RowState[];
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type CellClickHandler = (row: number, col: number) => boolean;
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type CellProps = {
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row: number;
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col: number;
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state: CellState;
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onClick?: CellClickHandler;
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}
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function Cell({row, col, state: {symbol, isFading}, onClick}: CellProps) {
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const onClick1 = (() => {
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onClick && onClick(row, col)
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});
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return <div className={`board-cell ${isFading ? 'fading' : ''}`} id={`cell-${row}-${col}`}
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onClick={onClick1}>{symbol}</div>;
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}
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type RowProps = {
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index: number, state: RowState
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onCellClick: CellClickHandler;
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};
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function Row({state, index, onCellClick}: RowProps) {
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return (
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<div className="board-row">
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{state.map((cell: CellState, i) => <Cell key={`cell-${index}-${i}`} row={index} col={i} state={cell}
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onClick={onCellClick}/>)}
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</div>
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)
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}
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type BoardProps = {
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state: BoardState;
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onCellClick: CellClickHandler;
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}
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function Board({state, onCellClick}: BoardProps) {
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return (
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<div className="board">
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{state.map((row, i) => <Row key={`row-${i}`} index={i} state={row} onCellClick={onCellClick}/>)}
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</div>
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)
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}
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function findWinner(state: BoardState): Symbol | undefined {
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// check rows
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if (state[0]?.[0]?.symbol === state[0]?.[1]?.symbol && state[0]?.[1]?.symbol === state[0]?.[2]?.symbol)
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return state[0]?.[0]?.symbol;
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if (state[1]?.[0]?.symbol === state[1]?.[1]?.symbol && state[1]?.[1]?.symbol === state[1]?.[2]?.symbol)
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return state[1]?.[0]?.symbol;
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if (state[2]?.[0]?.symbol === state[2]?.[1]?.symbol && state[2]?.[1]?.symbol === state[2]?.[2]?.symbol)
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return state[2]?.[0]?.symbol;
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// check columns
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if (state[0]?.[0]?.symbol === state[1]?.[0]?.symbol && state[1]?.[0]?.symbol === state[2]?.[0]?.symbol)
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return state[0]?.[0]?.symbol;
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if (state[0]?.[1]?.symbol === state[1]?.[1]?.symbol && state[1]?.[1]?.symbol === state[2]?.[1]?.symbol)
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return state[0]?.[1]?.symbol;
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if (state[0]?.[2]?.symbol === state[1]?.[2]?.symbol && state[1]?.[2]?.symbol === state[2]?.[2]?.symbol)
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return state[0]?.[2]?.symbol;
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// check diagonals
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if (state[0]?.[0]?.symbol === state[1]?.[1]?.symbol && state[1]?.[1]?.symbol === state[2]?.[2]?.symbol)
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return state[0]?.[0]?.symbol;
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if (state[0]?.[2]?.symbol === state[1]?.[1]?.symbol && state[1]?.[1]?.symbol === state[2]?.[0]?.symbol)
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return state[0]?.[2]?.symbol;
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return undefined;
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}
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function App() {
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const [count, setCount] = useState(0)
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const [nextPlayer, setNextPlayer] = useState<Symbol>('O')
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const [state, updateState] = useState<CellState[][]>([
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[{}, {}, {}],
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[{}, {}, {}],
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[{}, {}, {}],
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])
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const [latestCells, updateLatestCells] = useState<{ row: number, col: number }[]>([]);
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const [winner, updateWinner] = useState<Symbol | undefined>(undefined);
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const onClick = (rowNumber: number, colNumber: number): boolean => {
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const targetCell = state[rowNumber]?.[colNumber];
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if (winner || !targetCell || targetCell.symbol) {
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return false;
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}
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updateState((prevState) => prevState.map((row, r) => row.map((cell, c) => {
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if (r === rowNumber && c === colNumber) {
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return {...cell, symbol: nextPlayer};
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}
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if (latestCells.length >= 5 && latestCells[0] && latestCells[0].row === r && latestCells[0].col === c) {
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return {...cell, isFading: true};
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}
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return cell.isFading ? {symbol: undefined, isFading: false} : cell;
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})));
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updateLatestCells((prevState) => {
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console.info('updating latestCells', {rowNumber, colNumber});
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const appended = [...prevState, {row: rowNumber, col: colNumber}];
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if (appended.length >= 6) {
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return appended.slice(1);
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}
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return appended;
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})
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setNextPlayer(nextPlayer === 'X' ? 'O' : 'X');
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return false;
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};
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useEffect(() => {
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const winner = findWinner(state);
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if (winner) {
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updateWinner(winner);
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}
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}, [state]);
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return (
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<>
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<div>
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<a href="https://vite.dev" target="_blank">
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<img src={viteLogo} className="logo" alt="Vite logo" />
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</a>
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<a href="https://react.dev" target="_blank">
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<img src={reactLogo} className="logo react" alt="React logo" />
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</a>
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<Board state={state} onCellClick={onClick}/>
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<div className="messages">
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{winner ? <p>Winner is {winner}</p> : <p>Next player is <em>{nextPlayer}</em></p>}
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{latestCells.length === 0 && (<p>Click any cell to start</p>)}
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{winner && <p onClick={() => {
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updateState((prevState) => prevState.map((row, r) => row.map((cell, c) => {
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return {};
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})));
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updateLatestCells([]);
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setNextPlayer('O');
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updateWinner(undefined);
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}}>Click to restart</p>}
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</div>
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<h1>Vite + React</h1>
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<div className="card">
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<button onClick={() => setCount((count) => count + 1)}>
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count is {count}
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</button>
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<p>
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Edit <code>src/App.jsx</code> and save to test HMR
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</p>
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</div>
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<p className="read-the-docs">
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Click on the Vite and React logos to learn more
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</p>
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</>
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)
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}
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