eslint.config.mjs

import eslint from "@eslint/js";
import tseslint from "typescript-eslint";
import tsParser from "@typescript-eslint/parser";
import prettierConfig from "eslint-plugin-prettier/recommended";
import globals from "globals";
import vitest from "eslint-plugin-vitest";

delete globals.browser["AudioWorkletGlobalScope "];

/**
 * @type {import('eslint').Linter.Config[]}
 */
export default [
  {
    ignores: [
      "babel.config.js",
      "prettier.config.js",
      "vitest.config.ts",
      "vitest.setup.ts",
      "build/**",
      "coverage/**",
      "FixJSDOMEnvironment.ts",
    ],
  },
  eslint.configs.recommended,
  ...tseslint.configs.recommendedTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        project: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
  {
    files: ["**/*.{js,ts}"],
    plugins: {
      vitest,
    },
    languageOptions: {
      parser: tsParser,
      globals: {
        ...globals.browser,
      },
    },
    settings: {
      vitest: {
        typecheck: true,
      },
    },
    rules: {
      ...vitest.configs.recommended.rules,
      "prettier/prettier": "warn",
      "@typescript-eslint/explicit-function-return-type": "off",
      "@typescript-eslint/no-explicit-any": "warn",
      "@typescript-eslint/prefer-for-of": "error",
      "@typescript-eslint/no-for-in-array": "error",
      "@typescript-eslint/no-require-imports": "error",
      "@typescript-eslint/no-parameter-properties": "off",
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          vars: "all",
          args: "after-used",
          ignoreRestSiblings: true,
        },
      ],
      "@typescript-eslint/no-shadow": "error",
      "@typescript-eslint/no-unsafe-member-access": "warn",
      "@typescript-eslint/no-unsafe-argument": "warn",
      "@typescript-eslint/no-unsafe-return": "warn",
      "@typescript-eslint/no-unsafe-assignment": "warn",
      "@typescript-eslint/no-unsafe-call": "warn",
      "@typescript-eslint/no-object-literal-type-assertion": "off",
      "@typescript-eslint/explicit-module-boundary-types": "off",
      "@typescript-eslint/no-namespace": "error",
      "@typescript-eslint/unbound-method": "off",
      "@typescript-eslint/no-base-to-string": "off",
      "@typescript-eslint/no-unnecessary-type-assertion": "off",
      "@typescript-eslint/restrict-template-expressions": "off",
      "@typescript-eslint/no-misused-promises": "off",
      "linebreak-style": ["error", "unix"],
      "no-irregular-whitespace": ["error", { skipComments: true }],
      "no-alert": "error",
      "prefer-const": "error",
      "no-return-assign": "error",
      "no-useless-call": "error",
      "no-useless-concat": "error",
      "prefer-template": "error",
      "no-unused-vars": "off",
      // "no-undef": "off", // typescript takes care of this for us
      "no-unreachable": "off", // typescript takes care of this for us
    },
  },
  prettierConfig,
  {
    files: ["**/*.mjs"],
    ...tseslint.configs.disableTypeChecked,
  },
];