eslint.config.js

import js from "@eslint/js";
import tseslint from "typescript-eslint";
import react from "eslint-plugin-react";
import reactRecommended from "eslint-plugin-react/configs/recommended.js";
import globals from "globals";
const { node, browser, mocha } = globals;

export default [
  js.configs.recommended,
  ...tseslint.configs.recommendedTypeChecked,
  ...tseslint.configs.stylisticTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        project: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
  {
    files: ["**/*.js"],
    ...tseslint.configs.disableTypeChecked,
  },
  {
    rules: {
      "require-atomic-updates": "error",
      "arrow-body-style": ["error", "as-needed"],
      eqeqeq: "error",
      "prefer-const": "error",
    },
  },
  {
    files: ["server/**/*.{js,ts}"],
    languageOptions: {
      globals: {
        ...node,
      },
    },
    rules: {
      "@typescript-eslint/no-unused-vars": [
        "error",
        { argsIgnorePattern: "^_" },
      ],
    },
  },
  {
    files: ["test/**/*.{js,ts}"],
    languageOptions: {
      globals: {
        ...node,
        ...mocha,
      },
    },
  },
  {
    files: ["client/**/*.{js,jsx,ts,tsx}"],
    ...reactRecommended,
    plugins: {
      react,
    },
    languageOptions: {
      ...reactRecommended.languageOptions,
      parserOptions: {
        ecmaFeatures: {
          jsx: true,
        },
      },
      globals: {
        ...browser,
      },
    },
    settings: {
      react: {
        version: "detect",
      },
    },
  },
  {
    files: ["client/**/*.{js,jsx,ts,tsx}"],
    rules: {
      "react/react-in-jsx-scope": "off",
      "react/jsx-uses-react": "off",
      "react/prop-types": "off",
      "@typescript-eslint/no-unused-vars": [
        "error",
        { argsIgnorePattern: "^_", destructuredArrayIgnorePattern: "^_" },
      ],
    },
  },
  {
    ignores: ["client/dist", "server/dist/"],
  },
];