rdap/eslint.config.mjs

import typescriptEslint from "@typescript-eslint/eslint-plugin";
import tsParser from "@typescript-eslint/parser";
import path from "node:path";
import { fileURLToPath } from "node:url";
import js from "@eslint/js";
import { FlatCompat } from "@eslint/eslintrc";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all
});

export default [
  // Base configuration with ignores
  {
    ignores: [
      ".next/**",
      "node_modules/**",
      "out/**",
      "*.config.mjs",
      "*.config.js",
      "next-env.d.ts"  // Next.js generated file
    ],
  },

  // Next.js core web vitals using FlatCompat
  ...compat.extends("next/core-web-vitals"),

  // TypeScript recommended rules
  ...compat.extends("plugin:@typescript-eslint/recommended"),

  // Base TypeScript configuration
  {
    plugins: {
      "@typescript-eslint": typescriptEslint,
    },

    languageOptions: {
      parser: tsParser,
      ecmaVersion: "latest",
      sourceType: "module",
      parserOptions: {
        project: "./tsconfig.json",
      },
    },

    rules: {
      "@typescript-eslint/consistent-type-imports": "warn",
    },
  },

  // Additional strict TypeScript rules for .ts and .tsx files
  {
    files: ["**/*.ts", "**/*.tsx"],
    ...compat.extends("plugin:@typescript-eslint/recommended-requiring-type-checking")[0],

    languageOptions: {
      ecmaVersion: "latest",
      sourceType: "module",
      parserOptions: {
        project: "./tsconfig.json",
      },
    },
  },

  // Allow CommonJS require in .cjs files
  {
    files: ["**/*.cjs"],
    rules: {
      "@typescript-eslint/no-require-imports": "off",
    },
  },
];