eslint.config.mjs

import { FlatCompat } from "@eslint/eslintrc";
import tseslint from "typescript-eslint";

const compat = new FlatCompat({
  baseDirectory: import.meta.dirname,
});

export default tseslint.config(
  {
    ignores: [".next"],
  },
  ...compat.extends("next/core-web-vitals"),
  {
    files: ["**/*.ts", "**/*.tsx"],
    extends: [
      ...tseslint.configs.recommended,
      ...tseslint.configs.recommendedTypeChecked,
      ...tseslint.configs.stylisticTypeChecked,
    ],
    rules: {
      "@typescript-eslint/prefer-nullish-coalescing": [
        "error",
        {
          ignoreConditionalTests: true,
        },
      ],
      "@typescript-eslint/array-type": [
        "warn",
        {
          default: "array",
        },
      ],
      "@typescript-eslint/consistent-type-definitions": ["warn", "interface"],
      "@typescript-eslint/consistent-type-imports": [
        "warn",
        {
          prefer: "type-imports",
          fixStyle: "inline-type-imports",
        },
      ],
      "@typescript-eslint/no-unused-vars": [
        "warn",
        {
          argsIgnorePattern: "^_",
        },
      ],
      "prefer-const": "error",
      "@typescript-eslint/no-misused-promises": [
        2,
        {
          checksVoidReturn: {
            attributes: false,
          },
        },
      ],
    },
  },
  {
    linterOptions: {
      reportUnusedDisableDirectives: true,
    },
    languageOptions: {
      parserOptions: {
        projectService: true,
      },
    },
  }
);