eslint.config.mjs

import globals from "globals";
import parser from "astro-eslint-parser";
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 [
  ...compat
    .extends("eslint:recommended", "plugin:@typescript-eslint/recommended")
    .map((config) => ({
      ...config,
      ignores: [".astro/**/*"],
    })),
  {
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
      },

      ecmaVersion: "latest",
      sourceType: "module",
    },
  },
  {
    files: ["**/.eslintrc.{js,cjs}"],

    languageOptions: {
      globals: {
        ...globals.node,
      },

      ecmaVersion: 5,
      sourceType: "commonjs",
    },
  },
  ...compat.extends("plugin:astro/recommended").map((config) => ({
    ...config,
    files: ["**/*.astro"],
  })),
  {
    files: ["**/*.astro"],

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

      parserOptions: {
        parser: "@typescript-eslint/parser",
        extraFileExtensions: [".astro"],
      },
    },
  },
  ...compat
    .extends("plugin:react/recommended", "plugin:react/jsx-runtime")
    .map((config) => ({
      ...config,
      files: ["**/*.ts", "**/*.tsx"],
    })),
  {
    files: ["**/*.ts", "**/*.tsx"],

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

      parserOptions: {
        parser: "@typescript-eslint/parser",
        extraFileExtensions: [".astro"],
      },
    },

    settings: {
      react: {
        version: "detect",
      },
    },
  },
];