.eslintrc.js

module.exports = {
  plugins: ['@typescript-eslint/eslint-plugin'],
  extends: [
    'react-app',
    'react-app/jest',
    'eslint-config-prettier',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  root: true,
  env: {
    browser: true,
    jest: true,
  },
  rules: {
    '@typescript-eslint/interface-name-prefix': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-unused-vars': [
      'warn',
      { vars: 'all', args: 'after-used', ignoreRestSiblings: false },
    ],
    'prettier/prettier': [
      'error',
      {
        singleQuote: true,
        printWidth: 100,
        endOfLine: 'auto',
      },
    ],
    eqeqeq: ['warn', 'always'],

    // from https://reactjs.org/docs/hooks-rules.html#eslint-plugin
    'react-hooks/rules-of-hooks': 'error', // Checks rules of Hooks
    'react-hooks/exhaustive-deps': 'error', // Checks effect dependencies
  },
};