.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true
  },
  extends: ['react-app', 'plugin:prettier/recommended'],
  parser: '@babel/eslint-parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
      legacyDecorators: true
    },
    ecmaVersion: 2018,
    requireConfigFile: false,
    sourceType: 'module'
  },
  rules: {
    'array-callback-return': 'off',
    'jsx-a11y/click-events-have-key-events': 0,
    'jsx-a11y/no-static-element-interactions': 0,
    'react/react-in-jsx-scope': 'off',
    'import/no-unresolved': 'off',
    '@typescript-eslint/no-var-requires': 0,
    '@typescript-eslint/no-explicit-any': 'off',
    'import/no-anonymous-default-export': 'off',
    'prettier/prettier': ['error', { endOfLine: 'auto' }]
  },
  overrides: [
    {
      files: ['*.ts', '*.tsx'],
      env: {
        browser: true,
        node: true,
        commonjs: true,
        es2021: true
      },
      extends: [
        'plugin:react/recommended',
        'plugin:jsx-a11y/recommended',
        'plugin:import/errors',
        'plugin:import/warnings',
        'plugin:@typescript-eslint/recommended'
      ],
      parser: '@typescript-eslint/parser',
      parserOptions: {
        ecmaFeatures: {
          jsx: true
        },
        ecmaVersion: 2018,
        sourceType: 'module'
      },
      plugins: ['react', '@typescript-eslint'],
      rules: {
        'react/react-in-jsx-scope': 'off',
        'import/no-unresolved': 'off',
        '@typescript-eslint/no-var-requires': 0,
        '@typescript-eslint/no-explicit-any': 'off'
      }
    }
  ]
};