eslint.config.js

import astroEslintParser from "astro-eslint-parser";
import eslintPluginAstro from "eslint-plugin-astro";
import globals from "globals";
import js from "@eslint/js";
import tseslint from "typescript-eslint";
import typescriptParser from "@typescript-eslint/parser";

export default [
  js.configs.recommended,
  ...eslintPluginAstro.configs["flat/recommended"],
  ...tseslint.configs.recommended,
  {
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
      },
    },
  },
  {
    files: ["**/*.astro"],
    languageOptions: {
      parser: astroEslintParser,
      parserOptions: {
        parser: "@typescript-eslint/parser",
        extraFileExtensions: [".astro"],
      },
    },
  },
  {
    files: ["**/*.{js,jsx,astro}"],
    rules: {
      "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
    },
  },
  {
    // Define the configuration for `<script>` tag.
    // Script in `<script>` is assigned a virtual file name with the `.js` extension.
    files: ["**/*.{ts,tsx}", "**/*.astro/*.js"],
    languageOptions: {
      parser: typescriptParser,
    },
    rules: {
      // Note: you must disable the base rule as it can report incorrect errors
      "no-unused-vars": "off",
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          argsIgnorePattern: "^_",
          destructuredArrayIgnorePattern: "^_",
        },
      ],
      "@typescript-eslint/no-non-null-assertion": "off",
    },
  },
  {
    ignores: [
      "dist",
      "node_modules",
      ".github",
      "types.generated.d.ts",
      ".astro",
    ],
  },
];