eslint.config.mjs

import jest from "eslint-plugin-jest";
import typescriptEslint from "@typescript-eslint/eslint-plugin";
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 [
  {
    ignores: [
      "!**/.*",
      "**/node_modules/.*",
      "dist/**",
      "**/coverage/.*",
      "**/*.json",
      "eslint.config.mjs"
    ]
  },
  ...compat.extends(
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jest/recommended"
  ),
  {
    plugins: {
      jest,
      "@typescript-eslint": typescriptEslint
    },

    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.jest,
        Atomics: "readonly",
        SharedArrayBuffer: "readonly"
      },

      parser: tsParser,
      ecmaVersion: 2023,
      sourceType: "module",

      parserOptions: {
        project: ["./.github/linters/tsconfig.json", "./tsconfig.json"]
      }
    },

    rules: {
      camelcase: "off",
      "eslint-comments/no-use": "off",
      "eslint-comments/no-unused-disable": "off",
      "i18n-text/no-en": "off",
      "import/no-namespace": "off",
      "no-console": "off",
      "no-unused-vars": "off",
      semi: "off",
      "@typescript-eslint/array-type": "error",
      "@typescript-eslint/await-thenable": "error",
      "@typescript-eslint/ban-ts-comment": "error",
      "@typescript-eslint/consistent-type-assertions": "error",

      "@typescript-eslint/explicit-member-accessibility": [
        "error",
        {
          accessibility: "no-public"
        }
      ],

      "@typescript-eslint/explicit-function-return-type": [
        "error",
        {
          allowExpressions: true
        }
      ],

      "@typescript-eslint/no-array-constructor": "error",
      "@typescript-eslint/no-empty-interface": "error",
      "@typescript-eslint/no-explicit-any": "error",
      "@typescript-eslint/no-extraneous-class": "error",
      "@typescript-eslint/no-for-in-array": "error",
      "@typescript-eslint/no-inferrable-types": "error",
      "@typescript-eslint/no-misused-new": "error",
      "@typescript-eslint/no-namespace": "error",
      "@typescript-eslint/no-non-null-assertion": "warn",
      "@typescript-eslint/no-require-imports": "error",
      "@typescript-eslint/no-unnecessary-qualifier": "error",
      "@typescript-eslint/no-unnecessary-type-assertion": "error",
      "@typescript-eslint/no-unused-vars": "error",
      "@typescript-eslint/no-useless-constructor": "error",
      "@typescript-eslint/no-var-requires": "error",
      "@typescript-eslint/prefer-for-of": "warn",
      "@typescript-eslint/prefer-function-type": "warn",
      "@typescript-eslint/prefer-includes": "error",
      "@typescript-eslint/prefer-string-starts-ends-with": "error",
      "@typescript-eslint/promise-function-async": "error",
      "@typescript-eslint/require-array-sort-compare": "error",
      "@typescript-eslint/restrict-plus-operands": "error",
      "@typescript-eslint/space-before-function-paren": "off",
      "@typescript-eslint/unbound-method": "error"
    }
  }
];