eslint.config.mjs

import typescriptEslint from "@typescript-eslint/eslint-plugin";
import tsParser from "@typescript-eslint/parser";
import path from "node:path";
import { fileURLToPath } from "node:url";
import js from "@eslint/js";
import { FlatCompat } from "@eslint/eslintrc";
import globals from "globals";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
});

export default [
  ...compat.extends(
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended"
  ),
  {
    plugins: {
      "@typescript-eslint": typescriptEslint,
    },

    languageOptions: {
      parser: tsParser,
      globals: {
        ...globals.browser,
        ...globals.nodeBuiltin,
      },
    },
    rules: {
      curly: ["error", "all"],
      "no-alert": "error",
      "no-console": "error",

      "prefer-const": [
        "error",
        {
          destructuring: "all",
        },
      ],

      "no-constant-condition": [
        "error",
        {
          checkLoops: false,
        },
      ],

      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-unused-vars": "off",
      "@typescript-eslint/no-unused-expressions": "off",
      // "@typescript-eslint/no-unnecessary-type-assertion": "error",

      "one-var": [
        "error",
        {
          const: "never",
        },
      ],
    },
  },
];