sample-tictactoe/eslint.config.js

import eslint from "@eslint/js";
import tsEslint from "typescript-eslint";
import prettierEslintRecommended from "eslint-plugin-prettier/recommended";

export default tsEslint.config(
  eslint.configs.recommended,
  ...tsEslint.configs.strictTypeChecked,
  ...tsEslint.configs.stylisticTypeChecked,
  prettierEslintRecommended,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
);