.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: 'module',
  },
  plugins: ['react', '@typescript-eslint'],
  rules: {
    'arrow-parens': ['error', 'always'],
    'react/react-in-jsx-scope': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-non-null-assertion': 'error',
    '@typescript-eslint/no-unused-vars': 'warn',
    '@typescript-eslint/no-inferrable-types': 'off',
    '@typescript-eslint/ban-types': 'off',
    'react/prop-types': 'off',
    '@typescript-eslint/no-empty-interface': 'warn',
  },
};