.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: { jsx: true },
    ecmaVersion: 2020,
    project: ['./tsconfig.json'],
    sourceType: 'module',
  },
  plugins: [
    '@typescript-eslint',
    'jsx-a11y',
    'react-hooks',
    'react',
    'prettier',
  ],
  rules: {
    // TypeScript specific rules
    '@typescript-eslint/consistent-type-assertions': 'warn',
    '@typescript-eslint/consistent-type-imports': 'error',
    '@typescript-eslint/no-array-constructor': 'warn',
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-redeclare': 'warn',
    '@typescript-eslint/no-use-before-define': [
      'warn',
      { functions: false, classes: false, variables: false, typedefs: false },
    ],
    '@typescript-eslint/no-unused-expressions': [
      'error',
      {
        allowShortCircuit: true,
        allowTernary: true,
        allowTaggedTemplates: true,
      },
    ],
    '@typescript-eslint/no-unused-vars': [
      'warn',
      { args: 'none', ignoreRestSiblings: true },
    ],
    '@typescript-eslint/no-useless-constructor': 'warn',
    '@typescript-eslint/no-var-requires': 'off',

    // Base rules
    'max-len': ['warn', { code: 80, ignorePattern: '//', ignoreStrings: true }],
    'new-cap': ['warn', { properties: false }],
    'no-array-constructor': 'off',
    'no-redeclare': 'off',
    'no-use-before-define': 'off',
    'no-unused-expressions': 'off',
    'no-unused-vars': 'off',
    'no-useless-constructor': 'off',

    // A11y rules
    'jsx-a11y/alt-text': 'warn',
    'jsx-a11y/anchor-has-content': 'warn',
    'jsx-a11y/anchor-is-valid': [
      'warn',
      { aspects: ['noHref', 'invalidHref'] },
    ],
    'jsx-a11y/aria-activedescendant-has-tabindex': 'warn',
    'jsx-a11y/aria-props': 'warn',
    'jsx-a11y/aria-proptypes': 'warn',
    'jsx-a11y/aria-role': ['warn', { ignoreNonDOM: true }],
    'jsx-a11y/aria-unsupported-elements': 'warn',
    'jsx-a11y/heading-has-content': 'warn',
    'jsx-a11y/iframe-has-title': 'warn',
    'jsx-a11y/img-redundant-alt': 'warn',
    'jsx-a11y/no-access-key': 'warn',
    'jsx-a11y/no-distracting-elements': 'warn',
    'jsx-a11y/no-redundant-roles': 'warn',
    'jsx-a11y/role-has-required-aria-props': 'warn',
    'jsx-a11y/role-supports-aria-props': 'warn',
    'jsx-a11y/scope': 'warn',

    // React rules
    'react/jsx-filename-extension': [
      'warn',
      { extensions: ['.jsx', '.mdx', '.tsx'] },
    ],
    'react/no-unescaped-entities': 'off',
    'react/prop-types': 'off',
    'react/react-in-jsx-scope': 'off',

    // React Hooks rules
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
  },
  settings: { react: { version: 'detect' } },
};