namastejs/src/games/snake/input.js

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

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

function exitGame(state) {
  showCursor();
  process.stdout.write("\x1Bc");

  console.log(style.red("\n💀 GAME OVER 💀"));
  console.log(style.gold(`🏆 Final Score: ${state.score}`));
  console.log(style.cyan("🙏 Thanks for playing Namaste Snake 🙏\n"));

  process.exit();
}

function setupInput(state) {
  if (!process.stdin.isTTY) return;

  process.stdin.setRawMode(true);
  process.stdin.resume();
  process.stdin.setEncoding("utf8");

  process.stdin.on("data", (key) => {
    if (key === "\u0003") {
      exitGame(state); // Ctrl + C
    }

    if (state.status === "GAME_OVER") return;

    if (key === " ") {
      state.paused = !state.paused;
      return;
    }

    if (state.paused) return;

    switch (key) {
      case "\u001B[A":
        if (state.dir !== "DOWN") state.dir = "UP";
        break;
      case "\u001B[B":
        if (state.dir !== "UP") state.dir = "DOWN";
        break;
      case "\u001B[D":
        if (state.dir !== "RIGHT") state.dir = "LEFT";
        break;
      case "\u001B[C":
        if (state.dir !== "LEFT") state.dir = "RIGHT";
        break;
    }
  });
}

module.exports = { setupInput };