minesweeper.js

const BOMB = -1;
const BLANK = 0;

function main()
{
    const width = 9;
    const height = 9;
    const bombCount = 10;

    if(width * height < bombCount) {
        console.log('爆弾の数がマス目の数よりも多いです');
        process.exit(1);
    }
    
    map = generateMap(width, height, bombCount);
    map = setAdjacentBombCount(map, width, height);
    
    console.log(mapToDiscordString(map));
}

function generateMap(width, height, bombCount)
{
    const map = [];
    
    for(let y = 0; y < height; y++) {
        const row = [];
        
        for(let x = 0; x < width; x++) {
            row[x] = BLANK;
        }
        
        map[y] = row;
    }
    
    for(let i = 0; i < bombCount; i++) {
        while(true) {
            const posX = Math.floor(Math.random() * width);
            const posY = Math.floor(Math.random() * height);
            
            if(map[posY][posX] !== BOMB) {
                map[posY][posX] = BOMB;
                break;
            }
        }
    }
    
    return map;
}

function setAdjacentBombCount(map, width, height)
{
    for(let y = 0; y < height; y++) {
        for(let x = 0; x < width; x++) {
            if(map[y][x] === BOMB) {
                continue;
            }
            
            const isLeftLimit = x === 0;
            const isRightLimit = x === width - 1;
            const isTopLimit = y === 0;
            const isBottomLimit = y === height - 1;
            
            if(!isLeftLimit && map[y][x - 1] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isRightLimit && map[y][x + 1] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isTopLimit && map[y - 1][x] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isBottomLimit && map[y + 1][x] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isTopLimit && !isLeftLimit && map[y - 1][x - 1] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isTopLimit && !isRightLimit && map[y - 1][x + 1] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isBottomLimit && !isLeftLimit && map[y + 1][x - 1] === BOMB) {
                map[y][x] += 1;
            }
            
            if(!isBottomLimit && !isRightLimit && map[y + 1][x + 1] === BOMB) {
                map[y][x] += 1;
            }
        }
    }
    
    return map;
}

function mapToDiscordString(map)
{
    const numbers = [':zero:', ':one:', ':two:', ':three:', ':four:', ':five:', ':six:', ':seven:', ':eight:'];
    const bomb = ':bomb:';
    const hideSymbol = '||';
    
    let result = '';
    
    map.forEach(row => {
        row.forEach(cell => {
            if(cell === BOMB) {
                result += `${hideSymbol}${bomb}${hideSymbol}`;
            } else {
                result += `${hideSymbol}${numbers[cell]}${hideSymbol}`;
            }
        });
        result += "\n";
    });
    
    return result;
}

main();

minesweeper.php

<?php

define('BOMB', -1);
define('BLANK', 0);

function main()
{
    $width = 9;
    $height = 9;
    $bombCount = 10;

    if($width * $height < $bombCount)
        die('爆弾の数がマス目の数よりも多いです');
    
    $map = generateMap($width, $height, $bombCount);
    $map = setAdjacentBombCount($map, $width, $height);
    
    echo mapToDiscordString($map);
}

function generateMap($width, $height, $bombCount)
{
    $map = [];
    
    for($y = 0; $y < $height; $y++) {
        $row = [];
        
        for($x = 0; $x < $width; $x++) {
            $row[$x] = BLANK;
        }
        
        $map[$y] = $row;
    }
    
    for($i = 0; $i < $bombCount; $i++) {
        while(true) {
            $posX = mt_rand(0, $width - 1);
            $posY = mt_rand(0, $height - 1);
            
            if($map[$posY][$posX] !== BOMB) {
                $map[$posY][$posX] = BOMB;
                break;
            }
        }
    }
    
    return $map;
}

function setAdjacentBombCount($map, $width, $height)
{
    for($y = 0; $y < $height; $y++) {
        for($x = 0; $x < $width; $x++) {
            if($map[$y][$x] === BOMB) {
                continue;
            }
            
            $isLeftLimit = $x === 0;
            $isRightLimit = $x === $width - 1;
            $isTopLimit = $y === 0;
            $isBottomLimit = $y === $height - 1;
            
            if(!$isLeftLimit && $map[$y][$x - 1] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isRightLimit && $map[$y][$x + 1] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isTopLimit && $map[$y - 1][$x] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isBottomLimit && $map[$y + 1][$x] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isTopLimit && !$isLeftLimit && $map[$y - 1][$x - 1] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isTopLimit && !$isRightLimit && $map[$y - 1][$x + 1] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isBottomLimit && !$isLeftLimit && $map[$y + 1][$x - 1] === BOMB) {
                $map[$y][$x] += 1;
            }
            
            if(!$isBottomLimit && !$isRightLimit && $map[$y + 1][$x + 1] === BOMB) {
                $map[$y][$x] += 1;
            }
        }
    }
    
    return $map;
}

function mapToDiscordString($map)
{
    $numbers = [':zero:', ':one:', ':two:', ':three:', ':four:', ':five:', ':six:', ':seven:', ':eight:'];
    $bomb = ':bomb:';
    $hideSymbol = '||';
    
    $result = '';
    
    foreach($map as $row) {
        foreach($row as $cell) {
            if($cell === BOMB) {
                $result .= sprintf('%s%s%s', $hideSymbol, $bomb, $hideSymbol);
            } else {
                $result .= sprintf('%s%s%s', $hideSymbol, $numbers[$cell], $hideSymbol);
            }
        }
        $result .= "\n";
    }
    
    return $result;
}

main();