For typescript react, from the video https://www.youtube.com/watch?v=OXxul6AvXNs - https://create-react-app.dev/docs/adding-typescript/

.eslintrc.js

// more details at:
// - https://create-react-app.dev/docs/adding-typescript/

module.exports = {
  env: {
    browser: true,
    es6: true,
    jest: true,
  },
  extends: [
    'react-app',
    'airbnb',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
  ],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018,
    sourceType: 'module',
  },
  plugins: ['react', 'import', 'jsx-a11y'],
  rules: {
    'react/jsx-filename-extension': [
      'error',
      {
        extensions: ['.tsx'],
      },
    ],
    'import/prefer-default-export': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-member-accessibility': 'off'
  },
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      typescript: {},
    },
  },
};