monorepo/packages/eslint-config/next.mjs

import antfu from "@antfu/eslint-config";
import nextPlugin from "@next/eslint-plugin-next";
import eslintConfigPrettier from "eslint-config-prettier";
import jsxA11y from "eslint-plugin-jsx-a11y";
import perfectionist from "eslint-plugin-perfectionist";
import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
import unusedImports from "eslint-plugin-unused-imports";

const config = antfu(
  {
    isInEditor: true,
    react: true,
    typescript: true,
    stylistic: false,
    markdown: false,
    toml: false,
    ignores: [
      "public",
      "node_modules",
      "build",
      ".history",
      ".next",
      "public",
      "pnpm-lock.yaml",
      "package-lock.json",
      "next-env.d.ts",
    ],
  },
  {
    files: ["**/*.{ts,tsx,js,jsx}"],
    languageOptions: {
      ecmaVersion: "latest",
    },
    rules: {
      "react-hooks-extra/no-direct-set-state-in-use-effect": "off",
      "react/no-unstable-context-value": "off",
      "no-console": "off",
      "no-unused-vars": "off",
      "@typescript-eslint/no-unused-vars": "off",
      "ts/no-use-before-define": "off",
      "ts/strict-boolean-expressions": "off",
      "ts/no-unsafe-member-access": "off",
      "ts/no-unsafe-call": "off",
      "ts/no-unsafe-assignment": "off",
      "ts/no-unsafe-return": "off",
      "ts/no-unsafe-argument": "off",
      "ts/no-misused-promises": "off",
      "ts/no-floating-promises": "off",
      "node/prefer-global/process": "off",
      "node/prefer-global/buffer": "off",
      "import/no-named-default": "off",
      "react-hooks/exhaustive-deps": "off",
      "react-refresh/only-export-components": "off",
      "react/no-leaked-conditional-rendering": "off",
      "react/no-forward-ref": "off",
      "jsdoc/check-param-names": "off",
    },
  },

  jsxA11y.flatConfigs.recommended,
  {
    plugins: {
      "@next/next": nextPlugin,
    },
    rules: {
      ...nextPlugin.configs.recommended.rules,
      ...nextPlugin.configs["core-web-vitals"].rules,
    },
  },
  {
    name: "perfectionist",
    rules: {
      "import/order": "off",
      "sort-imports": "off",
      "perfectionist/sort-imports":
        perfectionist.configs["recommended-natural"].rules[
          "perfectionist/sort-imports"
        ],
      "perfectionist/sort-exports":
        perfectionist.configs["recommended-natural"].rules[
          "perfectionist/sort-exports"
        ],
      "perfectionist/sort-named-imports":
        perfectionist.configs["recommended-natural"].rules[
          "perfectionist/sort-named-imports"
        ],
      "perfectionist/sort-named-exports":
        perfectionist.configs["recommended-natural"].rules[
          "perfectionist/sort-named-exports"
        ],
    },
  },
  {
    plugins: {
      "unused-imports": unusedImports,
    },
    rules: {
      "unused-imports/no-unused-imports": "error",
      "unused-imports/no-unused-vars": [
        "warn",
        {
          vars: "all",
          varsIgnorePattern: "^_",
          args: "after-used",
          argsIgnorePattern: "^_",
        },
      ],
    },
  },
  {
    name: "tailwind",
    rules: {
      "tailwindcss/no-custom-classname": "off",
      "tailwindcss/enforces-shorthand": "off",
    },
  },
  eslintConfigPrettier,
  eslintPluginPrettierRecommended,
);

export default config;