eslint.config.mjs

import pluginJs from "@eslint/js";
import tsParser from "@typescript-eslint/parser";
import importPlugin from "eslint-plugin-import";
import pluginReact from "eslint-plugin-react";
import globals from "globals";
import tseslint from "typescript-eslint";

export default [
  { languageOptions: { globals: { ...globals.browser, ...globals.node } } },
  pluginJs.configs.recommended,
  ...tseslint.configs.recommended,
  pluginReact.configs.flat.recommended,
  importPlugin.flatConfigs.react,
  {
    files: ["**/*.{js,mjs,cjs,ts,jsx,tsx}"],
    ignores: ["eslint.config.js", "**/exports-unused.ts", "**/*.config.js"],
    languageOptions: {
      parser: tsParser,
      parserOptions: {
        requireConfigFile: false,
        ecmaVersion: "latest",
        sourceType: "module",
        ecmaFeatures: {
          jsx: true,
        },
      },
      ecmaVersion: "latest",
      sourceType: "module",
    },
    settings: {
      react: {
        version: "detect",
      },
      "import/resolver": {
        typescript: true,
        node: true,
        paths: ["src"],
      },
    },
    rules: {
      "react/react-in-jsx-scope": "off",
      semi: "error",
      // "no-unused-vars": [
      //   "warn",
      //   {
      //     vars: "all",
      //     args: "after-used",
      //     ignoreRestSiblings: false,
      //   },
      // ],

      "no-unused-vars": "off",
      "@typescript-eslint/no-unused-vars": [
        "warn", // or "error"
        {
          vars: "all",
          args: "after-used",
          argsIgnorePattern: "^_",
          varsIgnorePattern: "^_",
          caughtErrorsIgnorePattern: "^_",
        },
      ],
      "no-shadow": "off",
      "@typescript-eslint/no-shadow": [
        "error",
        {
          ignoreTypeValueShadow: true,
          ignoreFunctionTypeParameterNameValueShadow: true,
        },
      ],
    },
  },
  {
    files: ["**/*.{js,mjs,cjs,jsx,mjsx,ts,tsx,mtsx}"],
    ignores: ["eslint.config.js", "**/exports-unused.ts", "**/*.config.js"],
    ...importPlugin.flatConfigs.recommended,
    ...importPlugin.flatConfigs.typescript,
    languageOptions: {
      parser: tsParser,
      parserOptions: {
        requireConfigFile: false,
        ecmaVersion: "latest",
        sourceType: "module",
        ecmaFeatures: {
          jsx: true,
        },
      },
      ecmaVersion: "latest",
      sourceType: "module",
    },
    rules: {
      "import/order": [
        "error",
        {
          groups: [
            ["builtin", "external"],
            ["internal"],
            ["parent", "sibling", "index"],
            ["object", "type"],
          ],
          pathGroups: [
            {
              pattern: "react",
              group: "builtin",
              position: "before",
            },
            {
              pattern: "**/@mui/**",
              group: "builtin",
              position: "before",
            },
          ],
          pathGroupsExcludedImportTypes: ["react", "type"],
          "newlines-between": "always",
          alphabetize: {
            order: "asc",
            caseInsensitive: true,
          },
        },
      ],
    },
  },
];