@dvshanup0/tictactoedi-botgame

Minimax AI for Tic-Tac-Toe-Di. Fully ESM. Bot = 0, Human = 1.

Field format: [-1, 0, 1]

• -1 → empty
• 0 → bot (O)
• 1 → player (X)

Install

pnpm add @dvshanup0/tictactoedi-botgame
# or
npm install @dvshanup0/tictactoedi-botgame

Usage

import { getOptimalTurn, minimax, checkWinner } from "@dvshanup0/tictactoedi-botgame";

const field = [
  1, -1,  0,
  -1, 1, -1,
   0, -1, -1
];

// bot = 0
const bestMove = getOptimalTurn(field, 0);
console.log("Bot move:", bestMove);

API

getOptimalTurn(field, player)

Returns the best move (index 0–8).

minimax(field, player)

Returns the numerical score of the position (usually not needed directly).

applyMove(field, index, player)

Returns the new field after the move.

getAvailableMoves(field)

Returns an array of available cells.

checkWinner(field)

Returns:

• 0 → bot win
• 1 → human win
• -2 → draw
• null → no one has won yet

✔ Example: simple bot move

import { getOptimalTurn, applyMove } from "dvshanup0/tictactoedi-botgame";

const field = Array(9).fill(-1);

const move = getOptimalTurn(field, 0);
const newField = applyMove(field, move, 0);