ESLint with flat config + Prettier + TypeScript

eslint.config.js

// Install the following packages:
// - @eslint/eslintrc
// - @typescript-eslint/eslint-plugin
// - eslint-config-prettier

import { FlatCompat } from "@eslint/eslintrc";
import prettierConfig from "eslint-config-prettier";

const compat = new FlatCompat();

export default [
  "eslint:recommended",
  // The current "@typescript-eslint/eslint-plugin" still needs backporting
  ...compat.extends("plugin:@typescript-eslint/recommended"),
  prettierConfig,
];