eslint.config.mjs

import { fixupConfigRules } from "@eslint/compat"
import globals from "globals"
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 [
  ...fixupConfigRules(
    compat.extends(
      "eslint:recommended",
      "plugin:@typescript-eslint/recommended",
      "plugin:import/recommended",
      "plugin:import/typescript",
      "plugin:prettier/recommended",
      "prettier",
    ),
  ),
  {
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.jest,
        ...globals.node,
      },

      parser: tsParser,
      ecmaVersion: 2018,
      sourceType: "module",
    },

    settings: {
      "import/resolver": {
        typescript: {
          alwaysTryTypes: true,
        },
      },
    },

    rules: {
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          args: "none",
        },
      ],

      "no-dupe-class-members": "off",
      "@typescript-eslint/no-use-before-define": "off",
      "@typescript-eslint/no-non-null-assertion": "off",
      "@typescript-eslint/ban-types": "off",
      "@typescript-eslint/no-var-requires": "off",
      "@typescript-eslint/explicit-module-boundary-types": "off",
      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-extra-semi": "off",
      "@typescript-eslint/no-require-imports": "off",
      "@typescript-eslint/no-unused-vars": "off", // TODO: Fix these.
      "@typescript-eslint/no-empty-object-type": "off",
      eqeqeq: "error",

      "import/order": [
        "error",
        {
          alphabetize: {
            order: "asc",
          },

          groups: [["builtin", "external", "internal"], "parent", "sibling"],
        },
      ],

      "no-async-promise-executor": "off",
    },
  },
]