eslint.config.js

import tseslint from "@typescript-eslint/eslint-plugin";
import tsparser from "@typescript-eslint/parser";

export default [
  {
    files: ["src/**/*.ts"],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    plugins: {
      "@typescript-eslint": tseslint,
    },
    rules: {
      ...tseslint.configs.recommended.rules,
      // Express type augmentation requires namespace
      "@typescript-eslint/no-namespace": "off",
      // Warn on floating promises (common source of bugs)
      "@typescript-eslint/no-floating-promises": "error",
      // Allow unused vars prefixed with _
      "@typescript-eslint/no-unused-vars": [
        "error",
        { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
      ],
    },
  },
  {
    ignores: ["dist/", "node_modules/", "tests/", "esbuild.config.js"],
  },
];