namastejs/src/games/index.js

A spiritual greeting from your JavaScript code. Because every function deserves a 'Namaste 🙏'

#!/usr/bin/env node

const { style } = require("../../theme");

const games = [
  {
    key: "snake",
    name: "🐍 Snake",
    description: "Classic snake with smooth controls",
  },
  {
    key: "typing-rain",
    name: "⌨️  Typing Rain",
    description: "Improve typing speed while letters fall",
  },
  {
    key: "invaders",
    name: "👾 Space Invaders",
    description: "Defend earth from ASCII aliens",
  },
];

let selectedIndex = 0;

/* ───────── Terminal Helpers ───────── */

function clear() {
  process.stdout.write("\x1Bc");
}

function hideCursor() {
  process.stdout.write("\x1b[?25l");
}

function showCursor() {
  process.stdout.write("\x1b[?25h");
}

/* ───────── Render Menu ───────── */

function renderMenu() {
  clear();

  console.log(
    style.gold(`
╔══════════════════════════════════╗
║        🎮 NAMASTE GAMES 🎮       ║
╚══════════════════════════════════╝
`)
  );

  games.forEach((game, index) => {
    const isSelected = index === selectedIndex;

    if (isSelected) {
      console.log(
        style.bgBrightGreen(style.black(` ▶ ${game.name.padEnd(18)} `)) +
          style.gray(`  ${game.description}`)
      );
    } else {
      console.log(
        `   ${style.white(game.name.padEnd(18))}  ${style.gray(
          game.description
        )}`
      );
    }
  });

  console.log(
    style.cyan(`
────────────────────────────────────
↑ ↓ Navigate   Enter Play   Ctrl+C Exit
`)
  );
}

/* ───────── Start Selected Game ───────── */

function startGame(gameKey) {
  // Stop menu input
  process.stdin.removeAllListeners("data");
  process.stdin.setRawMode(false);
  process.stdin.pause();

  showCursor();
  clear();

  // Load game directly
  require(`./${gameKey}`);
}

/* ───────── Input Handling ───────── */

function handleKeypress(buffer) {
  const key = buffer.toString();

  if (key === "\u0003") {
    showCursor();
    clear();
    process.exit(0);
  }

  if (key === "\u001B[A") {
    // Up
    selectedIndex = (selectedIndex - 1 + games.length) % games.length;
    renderMenu();
  }

  if (key === "\u001B[B") {
    // Down
    selectedIndex = (selectedIndex + 1) % games.length;
    renderMenu();
  }

  if (key === "\r") {
    // Enter
    startGame(games[selectedIndex].key);
  }
}

/* ───────── Boot ───────── */

function startMenu() {
  hideCursor();
  renderMenu();

  process.stdin.setRawMode(true);
  process.stdin.resume();
  process.stdin.on("data", handleKeypress);
}

startMenu();