eslint.config.js

// @ts-check
import eslint from "@eslint/js";
import tseslint from "typescript-eslint";
import eslintConfigPrettier from "eslint-config-prettier/flat";

export default tseslint.config(
  {
    ignores: ["node_modules/", "coverage/", "dist/"],
  },
  eslint.configs.recommended,
  tseslint.configs.recommendedTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
  {
    files: ["*.config.ts", "*.config.js"],
    extends: [tseslint.configs.disableTypeChecked],
  },
  // Global rule customization
  {
    rules: {
      "@typescript-eslint/no-unused-vars": [
        "error",
        { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
      ],
    },
  },
  // Relax rules for test files — mocks legitimately use async without
  // await and access untyped fetch args for assertion purposes.
  {
    files: ["test/**/*.ts"],
    rules: {
      "@typescript-eslint/require-await": "off",
      "@typescript-eslint/no-misused-promises": "off",
      "@typescript-eslint/no-unsafe-member-access": "off",
      "@typescript-eslint/no-unsafe-assignment": "off",
    },
  },
  eslintConfigPrettier,
);