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";

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 [
  {
    ignores: [
      "examples/**/*",
      "tmp/**/*",
      "**/*.js",
      "**/*.d.ts",
      // Can possibly unignored once TypeScript configs becomes supported? Ref. https://github.com/eslint/eslint/pull/18134.
      "eslint.config.mjs",
    ],
  },
  ...compat.extends(
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
  ),
  {
    plugins: {
      "@typescript-eslint": typescriptEslint,
    },

    languageOptions: {
      parser: tsParser,
      ecmaVersion: 5,
      sourceType: "script",

      parserOptions: {
        project: ["tsconfig.eslint.json"],
      },
    },

    rules: {
      "@typescript-eslint/no-unused-vars": [
        "warn",
        {
          argsIgnorePattern: "^_",
          varsIgnorePattern: "^_",
          caughtErrorsIgnorePattern: "^_",
        },
      ],

      "@typescript-eslint/no-explicit-any": 0,
      "@typescript-eslint/no-floating-promises": "error",
    },
  },
];