eslint.config.mjs

// @ts-check

import eslint from "@eslint/js";
import tseslint from "typescript-eslint";

export default tseslint.config(
  eslint.configs.recommended,
  ...tseslint.configs.strictTypeChecked,
  ...tseslint.configs.stylisticTypeChecked,
  {
    files: ["**/*.ts"],
    ignores: ["vitest.config.ts"],
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    rules: {
      "@typescript-eslint/consistent-type-imports": ["error", { fixStyle: "inline-type-imports" }],
      "@typescript-eslint/consistent-type-definitions": ["error", "type"],
      "@typescript-eslint/explicit-function-return-type": "error",
      "@typescript-eslint/restrict-template-expressions": [
        "error",
        {
          allowBoolean: true,
          allowNumber: true,
        },
      ],
      "@typescript-eslint/no-confusing-void-expression": ["error", { ignoreArrowShorthand: true }],
      "@typescript-eslint/no-non-null-assertion": "error",
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          args: "all",
          argsIgnorePattern: "^_",
          caughtErrorsIgnorePattern: "^_",
          destructuredArrayIgnorePattern: "^_",
          varsIgnorePattern: "^_",
        },
      ],
      "@typescript-eslint/strict-boolean-expressions": [
        "error",
        {
          allowString: false,
          allowNumber: false,
        },
      ],
      "object-shorthand": "error",
    },
  }
);