eslint.config.mjs

// @ts-check

import tseslint from "typescript-eslint";
import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";

export default tseslint.config(
  // https://typescript-eslint.io/getting-started/typed-linting/
  tseslint.configs.strictTypeChecked,
  tseslint.configs.stylisticTypeChecked,
  tseslint.configs.recommendedTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
  // https://github.com/prettier/eslint-plugin-prettier
  eslintPluginPrettierRecommended,
  //
  {
    rules: {
      "@typescript-eslint/array-type": "off",
      "@typescript-eslint/consistent-indexed-object-style": "warn",
      "@typescript-eslint/consistent-type-definitions": "off",
      "@typescript-eslint/no-base-to-string": "warn",
      "@typescript-eslint/no-confusing-void-expression": "warn",
      "@typescript-eslint/no-explicit-any": "warn",
      "@typescript-eslint/no-empty-function": "warn", // this is to satisfy maplibre-gl custom layer interface
      "@typescript-eslint/no-floating-promises": "warn",
      "@typescript-eslint/no-inferrable-types": "off",
      "@typescript-eslint/no-misused-promises": "warn",
      "@typescript-eslint/no-unnecessary-boolean-literal-compare": "off",
      "@typescript-eslint/no-unnecessary-condition": "warn",
      "@typescript-eslint/no-unnecessary-type-arguments": "off",
      "@typescript-eslint/no-unnecessary-type-assertion": "off",
      "@typescript-eslint/no-unnecessary-type-parameters": "warn",
      "@typescript-eslint/no-unused-vars": "warn",
      "@typescript-eslint/no-unsafe-argument": "warn",
      "@typescript-eslint/no-unsafe-assignment": "warn",
      "@typescript-eslint/no-unsafe-call": "warn",
      "@typescript-eslint/no-unsafe-enum-comparison": "off",
      "@typescript-eslint/no-unsafe-member-access": "warn",
      "@typescript-eslint/no-unsafe-return": "warn",
      "@typescript-eslint/no-non-null-assertion": "warn",
      "@typescript-eslint/non-nullable-type-assertion-style": "warn",
      "@typescript-eslint/prefer-for-of": "off",
      "@typescript-eslint/prefer-nullish-coalescing": "warn",
      "@typescript-eslint/prefer-optional-chain": "off",
      "@typescript-eslint/prefer-return-this-type": "off",
      "@typescript-eslint/prefer-string-starts-ends-with": "warn",
      "@typescript-eslint/restrict-plus-operands": "warn",
      "@typescript-eslint/restrict-template-expressions": "warn",
      "@typescript-eslint/related-getter-setter-pairs": "off",
      "@typescript-eslint/unbound-method": "warn",
      "@typescript-eslint/use-unknown-in-catch-callback-variable": "warn",
    },
  },
  //
);